РЕШЕТКИ ВОЛНОВОДНО-РУПОРНЫХ ИЗЛУЧАТЕЛЕЙ, СПОСОБЫ ПОСТРОЕНИЯ РЕШЕТОК ВОЛНОВОДНО-РУПОРНЫХ ИЗЛУЧАТЕЛЕЙ И АНТЕННЫЕ СИСТЕМЫ

Изобретение относится к микрополосковым антеннам, в частности к антенным системам. Заявлена антенная система, содержащая: антенную решетку, которая содержит диэлектрическую подложку прямоугольной формы; множество излучающих панелей, расположенных с определенным интервалом по длине диэлектрической подложки на ее верхней поверхности; и множество соединительных панелей на верхней поверхности диэлектрической подложки, расположенных в соответствии с множеством излучающих панелей, каждая из которых отходит от края диэлектрической подложки и заканчивается на заданном расстоянии от соответствующей излучающей панели; и решетку волноводно-рупорных излучателей, которая содержит металлическую пластину прямоугольной формы, обработанную таким образом, что в поперечном сечении она содержит множество прямоугольных отверстий, расположенных по длине прямоугольной металлической пластины; при этом нижняя часть каждого отверстия выполнена в виде прямоугольного волновода, а верхняя часть - в виде рупора; и желобок ...

УСТРОЙСТВО ДЛЯ ЭЛЕКТРОМАГНИТНОГО ЗОНДИРОВАНИЯ ОБРАЗЦА

Использование: для электромагнитного зондирования образца. Сущность изобретения заключается в том, что устройство для неразрушающего зондирования образца посредством отражения электромагнитной волны, устройство содержит: каркас, антенную конструкцию, возбудитель, электрически присоединенный к антенной конструкции для отправки зондирующего сигнала через антенную конструкцию, приемник, электрически присоединенный к антенной конструкции для приема эхо–сигнала через антенную конструкцию, по меньшей мере первую печатную плату, при этом, по меньшей мере часть возбудителя и/или приемника размещена на первой печатной плате, по меньшей мере вторую печатную плату при этом антенная конструкция размещена на второй печатной плате, металлический кузов, скомпонованный на каркасе, имеющий первую и вторую противоположные стороны, по меньшей мере один электрический разъем для электрического соединения первой и второй печатных плат, при этом, первая печатная плата установлена с первой стороны металлического ...

ANTENNENSYSTEME.

Mobile radio with antenna arrangement of patch elements, separated with one used as transmit antenna and one as receive antenna

Antenna arrangement (4,5,6,7,8) is located on side opposite loudspeaker (3), with grip shaped (10) so user's hand does not cover antenna. Both patch elements (4,5) are covered and a dielectric spacer (6,7) is located between transmit patch element or receive patch element and common ground plate (8). Batteries are located between patch element and under plate.

Gemeinsamen Fokus aufweisendes Sende-/Empfangsantennenset mit hoher Entkopplung

Antenna system for mobile apparatus

A dual port single frequency antenna

Electromagnetic shield for positioning between wind turbine and airport radar arrangements

A wind turbine assembly, wind farm assembly, airport radar system or their methods of manufacture or use comprise an electromagnetic shield 130, with a plurality of holes through which wind 120 may flow, which is suitable for being located between a wind turbine 21 and a radar emitter 60 to diminish the electromagnetic signals reaching the wind turbine 21 and/or being returned from the wind turbine 21 to the radar emitter 60. Also claimed is an electromagnetic shield 130 of a certain shape and size which is used for shielding an object. The said shield 130 including a plurality of holes through which wind 120 may pass and where the minor width of the holes is no larger than half a wavelength of the signal emitted from a radar emitter60. The shield 130 may use steel, aluminium, copper, carbon fibre, ionised gas or plasma to diminish an electric field and/or oxygen, sodium and aluminium and/or ferromagnetic materials including nickel to diminish a magnetic field. The holes may be circular ...

Improvements in or relating to directive radio stations

... 680,084. Directive radio systems. STANDARD TELEPHONES & CABLES, Ltd. Jan. 12, 1951, No. 954/51. Class 40 (vii). A directive antenna structure for a radio station required to transmit and receive high-frequency waves over the same path, such as a radar or two-way communication station, comprises in unitary assembly a box-like apparatus compartment containing transmitting and receiving apparatus which are respectively connected to aerial elements situated in concave reflectors mounted on opposite sides of the compartment and positioned for like directivity. As shown, the apparatus is mounted in a rectangular box 1 to either side of which are fixed paraboloidal reflectors 2 and 3 truncated by plane surfaces substantially parallel to the axes which are the opposite conductive sides 13 and 15 of the box 1. To correct for the axis of directivity of such a reflector being slightly displaced away from the flat plane the axis of the reflector may be slightly displaced in the reverse direction to ...

Improvements in or relating to antenna systems and mounting means therefor

... 745,269. Radar; aerials. RAYTHEON MANUFACTURING CO. Sept. 25, 1953, No. 26515/53. Classes 40 (5) and 40 (7). An aerial construction suitable for use in a radar having separate transmitting and receiving units comprises an electrical ground plane 10 having two spaced apart apertures therein which form the mouths of two electromagnetic horns 11 and 12, the distance between the apertures being such with respect to the wavelength of operation that the aerials are isolated to a high degree from one another. The horns may be substantially matched to free space and excited in TE 01 mode with the electrostatic lines perpendicular to the line intersecting the axes of the horns. As shown, horn 12 is the transmitting horn and is excited by offset probe 13 surrounded by a sheath of dielectric 15. The probe is fed by coaxial line from magnetron oscillator 19 resiliently mounted between the horns. Horn 11 is used for reception and contains a pair of crystal rectifiers 33 forming a balanced mixer from ...

Improvements in or relating to radio and like systems

... 530,407. Wireless signalling; phase-changing networks. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. June 22, 1939, No. 18251. Convention date, July 30, 1938. [Class 40 (v)] [Also in Group XXXV] A phase splitting network comprises a pair of input terminals 1, 2 between which are connected in series a variable condenser K and a closed circuit formed of two parallel branches. One branch comprises a fixed condenser C1, resistance r, inductance L and variable condenser C. The other branch comprises an inductance L1 and elements r, L, C identical with the corresponding elements in the first branch. The two coils L are wound on formers at right-angles to produce a rotating field. By manipulating a pick-up coil R mounted on the common axis of coils L1, L, a voltage of desired phase is produced at output terminals 3, 4. By suitably choosing the valves of L1 and C1 the desired splitting action is approximately obtained over a wide frequency range. Fig. 3 shows a network ...

ACHIEVEMENT REGULATION FOR RADIO COMMUNICATION ARRANGEMENT

INCREASE OF THE ELECTRICAL ISOLATION BETWEEN TWO ANTENNAS OF A RADIO

SINGLE CHIP RADIO WITH INTEGRATED ANTENNA

BROADBAND DISTRIBUTED ANTENNA SYSTEM WITH NON-DUPLEXER ISOLATOR SUB-SYSTEM

Abstract Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non duplexer isolator sub-system can include an active mitigation sub-system.

BROADBAND DISTRIBUTED ANTENNA SYSTEM WITH NON-DUPLEXER ISOLATOR SUB-SYSTEM

Abstract Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non duplexer isolator sub-system can include an active mitigation sub-system.

ROTARY ANTENNA, SCANNER USING SUCH AN ANTENNA, AND DEVICE FOR INSPECTING PERSONS

The antenna comprises at least one waveguide having a rectangular section (24) and a cylinder (21) having an opening along a helical line, said cylinder having a rotary movement relative to the waveguide placed inside said cylinder, the waveguide being open opposite the inner face of said cylinder, which forms a microwave short-circuit to close the guide, characterised in that two cavities (62, 63) are provided on either side of the guide, parallel to same, along the whole length of same, the openings of the cavities being substantially in the plane of the opening (61) of the guide. The invention applies, for example, to the detection of concealed objects carried by persons, in particular dangerous objects.

Antennenanordnung für Ultrakurzwellen-Richtverbindungsgeräte, von denen in einer und derselben Richtung ein Sende- und ein Empfangskanal ausgehen.

Dispositif d'antenne radioélectrique à ondes dirigées.

Wideband patch antennas and antenna arrays

ROTATING ANTENNA, SCANNER USING SUCH AN ANTENNA, AND A DEVICE FOR MONITORING PERSONS

Central locking device initialization system for motor vehicle, has wave reflector placed inside passenger compartment between transmitter and receiver, so that power of electromagnetic wave is decreased by partial reflection on reflector

Ce système (14) d'initialisation de dispositif (6) de verrouillage central de véhicule automobile (2), du type comportant un habitacle (4) de véhicule automobile, un émetteur (16) disposé dans un boîtier (17) portatif, et un récepteur (18) placé à l'intérieur de l'habitacle (4), le récepteur (18) étant destiné à être relié à un dispositif (6) de verrouillage central de véhicule automobile, est caractérisé en ce que l'émetteur est placé à l'intérieur de l'habitacle (4), et en ce qu'il comporte un réflecteur (20) d'ondes disposé à l'intérieur de l'habitacle (4) entre l'émetteur (16) et le récepteur (18), de sorte que la puissance de toute onde électromagnétique émise par l'émetteur (16) et arrivant au récepteur (18) est diminuée par réflexion au moins partielle sur le réflecteur (20).

ANTENNA MODULE HAVING INTEGRATED RADIO FREQUENCY CIRCUITRY

... 일 실시예는 송신기 및 수신기 중 적어도 하나를 포함하는 집적된 RF 회로부를 포함하는 안테나 모듈에 관한 것이다. 모듈은 집적된 RF 회로부에 결합되는 안테나 요소를 더 포함하며, 안테나 요소는 동일 평면의 제 1 및 제 2 부분들을 포함한다. 집적된 RF 회로부는 동일 평면의 제 1 및 제 2 부분들 중 적어도 하나의 내부 상에 배치된다. 다른 실시예들이 개시된다.

matriz de guias de onda do tipo corneta, método para formar uma matriz de guias de onda do tipo corneta, e, sistema de antena

sistema de antena distribuída

NEUTRALIZER OF MUTUAL COUPLING OF ANTENNA

Antenna for improving influence of surface waves and increasing beamwidth

Provided is an antenna for improving an influence of surface waves and increasing a beam width, including: a substrate, a first metal ground, a second metal ground, an emitting end and a receiving module. The first metal ground and the second metal ground are disposed on a first surface of the substrate. The second metal ground is completely separated from the first metal ground by a first gap. The emitting end is disposed on the first metal ground and includes a transmission line and a plurality of radiating elements. The receiving module is disposed on the second metal ground and includes a first receiving end and a second receiving end. The first receiving end includes a transmission line and a plurality of radiating elements. The second receiving end includes a transmission line and a plurality of radiating elements. In such a way, the antenna of the invention can solve mutual interference of electromagnetic waves between the emitting end and the receiving module, and achieve the purpose ...

DEMPNINGSANORDNING FOR ANTENNSYSTEM

Method and apparatus for communications using electromagnetic waves and an insulator

Aspects of the subject disclosure may include, a device having a non-conductive body with first and second ports that are electrically insulated from each other; a first antenna coupled to the first port; and a second antenna coupled to the second port. When the first and second ports are coupled to first and second transmission mediums, respectively: the first and second transmission mediums are electrically insulated from each other, a first electromagnetic wave conveying information and propagating along the first transmission medium causes the first antenna to transmit an RF signal to the second antenna, the RF signal conveys the information, the RF signal received at the second antenna causes a communication signal to be communicated via the second transmission medium, the communication signal conveys the information, and the first electromagnetic wave propagates along the first transmission medium without requiring an electrical return path. Other embodiments are disclosed.

Simultaneous transmit and receive antenna

A stationary, lightweight, easily transportatable antenna capable of full duplex operation, i.e., portions of the antenna can transmit and receive simultaneously in the same frequency band. The antenna has a near omnidirectional pattern in the azimuth plane for both transmit and receive. The receive portion (2) consists of four antenna elements (20), each having a beamwidth in the azimuth plane slightly greater than 90 DEG . The receive antennas (20) are arranged symmetrically about a midpoint (93) that lies in the azimuth plane. The beams of the four receive antennas (20) face outwardly away from the midpoint (93) and thereby cover the full azimuth plane. The transmit portion (1) of the antenna is a colinear set of dipole elements (12) arranged within a cylinder (11) that is orthogonal to the azimuth plane and centered on said midpoint (93). A nulling circuit (3) intrinsic to the receive portion (2) provides further isolation between transmit and receive, by means of phasing geometrically ...

FM radar system

An FM radar system of more simple construction, smaller size, lower cost and improved performance is provided in which circulators of any type in the prior art are eliminated by constructing a transceiver comprised of a transmitting part and a receiving part, each formed on a common dielectric plate and having a dedicated transmitting antenna and a dedicated receiving antenna respectively. The antennas comprise planar array antennas, in contrast to the solid antennas used in prior art systems. The planar array antennas are also formed on the single dielectric plate. The transmitting part comprises a plurality of transmission antennas and a plurality of frequency multipliers coupled to said transmission antennas. The receiving part comprises a plurality of receiving antennas which are coupled to a plurality of switches through a plurality of mixers, frequency multipliers, and low noise amplifiers.

Method and system for antenna sharing

The present disclosure provides a method and a system for antenna sharing for asynchronous TDD radios comprising an integrated antenna with plurality of antennas and a circuit to limit the co-located transmitters signals, a plurality of transmitters, each transmitter operable on a predetermined set of channels and coupled via a respective transmit switch to a combiner and in turn to an antenna, a plurality of receivers, each receivers operable on a predetermined set of channels and coupled via a respective receive switch to a splitter and in turn to an antenna and a switch controller connected to respective transmit and receive switches for asynchronously connecting at least one transmitter and at least one receiver to the antenna for effecting antenna sharing.

RF front-end module and antenna systems

Architectures and implementations of a transceiver system for wireless communications are presented, the system including one or more antennas supporting a single frequency band or multiple frequency bands, a transmit circuit, a receive circuit, and an isolation circuit that is coupled to the one or more antennas and the transmit and receive circuits and provides adequate isolation between the transmit circuit and the receive circuit.

SCANABLE SPARSE ANTENNA ARRAY

ANTENNA LATTICE WITH UNEQUAL SPACING FOR SINGLE-PANEL FULL-DUPLEX SATELLITE USER TERMINALS

A full-duplex User Terminal Panel (UTP) including one or more User Terminal Modules (UTM) having a plurality of Tx antenna elements. Each of the Tx antenna elements spaced apart from one another by a distance dTx. The full-duplex UTP further includes a plurality of Rx antenna elements. Each of the Rx antenna elements are spaced apart from one another by a distance dRx. Furthermore, the Tx antenna elements may be spaced according to a Tx lattice dTx, such that the Tx lattice dTx spacing arrangement provides grating lobe-free scanning in an elevation plane at a Tx frequency range. The Rx antenna elements are spaced according to an Rx lattice dRx, such that the Rx lattice dRx spacing arrangement provides grating lobe-free scanning in an elevation plane at a Rx frequency range.

БАЗОВАЯ СТАНЦИЯ

Изобретение относится к технологиям связи и предназначено для устранения помех со стороны интермодуляционного сигнала, генерируемого нисходящей линией связи, создаваемых сигналу восходящей линии связи, как для той же самой полосы частот, так и других полос частот. В одном из вариантов изобретения описана базовая станция, включающая в себя антенный блок и радиочастотный блок, при этом порт, соответствующий каналу приема, который относится к радиочастотному блоку и находится в работающем состоянии, и порт, соответствующий каналу передачи, который относится к радиочастотному блоку и находится в работающем состоянии, по отдельности соединены с портами, соответствующими различным диполям с двойной поляризацией или различным диполям с одинарной поляризацией, имеющимся в антенном блоке, причем эти различные диполи с двойной поляризацией или различные диполи с одинарной поляризацией, имеющиеся в антенном блоке, взаимно изолированы. 5 н. и 5 з.п. ф-лы, 7 ил.

ШИРОКОПОЛОСНЫЕ МИКРОПОЛОСКОВЫЕ АНТЕННЫ И АНТЕННЫЕ РЕШЕТКИ

Изобретение относится к микрополосковым антеннам. Технический результат - улучшение направленности широкополосной микрополосковой антенны с сохранением ее относительно небольших размеров. Антенна включает в себя диэлектрическую подложку прямоугольной формы; излучающую панель, которая располагается на верхней поверхности диэлектрической подложки; соединительную панель на верхней поверхности диэлектрической подложки, отходящую от края диэлектрической подложки и заканчивающуюся на заданном расстоянии от излучающей панели; металлическую опору на нижней поверхности диэлектрической подложки, идущую от края нижней поверхности диэлектрической пластины вниз к заземлению; и слой воздуха заданной толщины, образуемый между нижней поверхностью диэлектрической подложки и заземлением. 3 н. и 9 з.п. ф-лы, 14 ил.

ШИРОКОПОЛОСНЫЕ МИКРОПОЛОСКОВЫЕ АНТЕННЫ И АНТЕННЫЕ РЕШЕТКИ

... 1. Широкополосная микрополосковая антенна, содержащая:диэлектрическую подложку прямоугольной формы;излучающую панель, расположенную на верхней поверхности диэлектрической подложки;соединительную панель на верхней поверхности диэлектрической подложки, проходящую от края диэлектрической подложки и заканчивающуюся на расстоянии от излучающей панели; иметаллическую опору на нижней поверхности диэлектрической подложки, проходящую от края нижней поверхности диэлектрической пластины вниз к заземлению; и слой воздуха заданной толщины, образуемый между нижней поверхностью диэлектрической подложки и заземлением.2. Широкополосная микрополосковая антенна по п. 1, в которой металлическая опора выполнена из меди.3. Широкополосная микрополосковая антенна по п. 1, в которой слой воздуха имеет толщину в пределах 0,5 - 3,0 мм.4. Широкополосная микрополосковая антенна по п. 1, в которой расстояние между соединительной панелью и излучающей панелью находится в пределах 0,4-0,5 мм.5. Широкополосная микрополосковая ...

Multi-element dielectric resonator antenna

An antenna device (14) comprises a pair or more (eg. four), of dielectric resonator antenna elements (1, 1'), each element (1, 1') comprising a dielectric resonator provided with a feed (4, 6, 7) and a conductive backwall (3). One element is configured as a transmit antenna (1) and the other as a receive antenna (1'). The elements (1, 1') are positioned with their conductive backwalls (3) directly facing each other and substantially parallel. Several such antenna devices (14) may be formed as an array, with side-wise adjacent devices (14) having an orientation of the transmit and receive elements (1, 1') reversed, thereby giving near omnidirectional coverage with much reduced coupling between transmit (1) and receive (1') elements. Metal walls between the elements can reduce coupling (fig 6).

Receiving apparatus and transmitting apparatus in a thin form

PROBLEM TO BE SOLVED: To prevent the resonance frequency of a loop antenna from changing by short-circuiting or absorbing stray capacity when the capacity approaches a human body. SOLUTION: A loop conductor 2 is formed into a polygon or shapes such as a circle and an ellipse, etc. At each side, each vertex or the contact with a housing shape, capacitors 11 to 14 are arranged. The impedance between two vertexes or two contacts in which stray capacity is interposed is made zero by a designated resonance frequency. By the wide area conductors which are arranged on the both surfaces of a substrate and are opposed on a short side, the capacitor 11 to 14 are generated, and this transmitter and receiver is composed of the loop conductor 2 absorbing stray capacity concentrating on the short side side.

Co-located antennas for well logging

An antenna assembly comprises first and second antennas on a support 33, their magnetic dipole centres 56 being co-located and having different orientations, and a set of openings 53 on the support through which one of the antennas 51 is wound. The assembly may have three antennas in different or orthogonal directions and an insulator placed between the antennas. There is an independent claim for an antenna assembly comprising a plurality of antennas on a support, their magnetic dipole centres being co-located, one of the antennas being a wire wound on the support. A further independent claim is for a logging tool (Fig 9) comprising such an assembly and one other antenna assembly spaced apart longitudinally from it. The resistivity of a formation can be derived by signals detected and transmitted by such a logging tool.

Improvements in or relating to aerial assembly

... 1,060,153. Aerials. PLESSEY CO. (U.K.) Ltd. Jan. 3, 1964 [Dec. 5, 1962], No. 45937/62. Heading H4A. A dual aerial assembly 1 includes a pair of end fed rod aerials 2 and 5 one of the aerials 2 being a tubular element through which a single wire feeder 3 to the other aerial 5 is passed, an electrostatic screen 4 being interposed between the tubular aerial 2 and the feeder 3, the resultant capacitive coupling between the aerial 2 and the feeder 4 being such as to oppose the inductive coupling between the aerials 2 and 5. The screen 4 is connected through a variable capacitor 9 to an earth which may be a vehicle frame. The capacitance of 9 together with the capacitances between the screen 4 and the aerials 2 and 5 cause capacitive coupling between the aerials which cancels the inductive coupling between the aerials and thus permits substantially independent operation of the aerials. Equivalent circuits of the arrangement are described (Figs. 2 and 3, not shown). The aerial 2 may be a convoluted ...

Wideband patch antennas antenna arrays

BROADBAND DISTRIBUTED ANTENNA SYSTEM WITH NON-DUPLEXER ISOLATOR SUB-SYSTEM

Abstract Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non duplexer isolator sub-system can include an active mitigation sub-system.

Antenna arrangement and rail vehicle with antenna arrangement, having a plurality of antennas

The invention relates to an antenna arrangement for the mobile communication of a rail vehicle (11a, 11b) (and also to a rail vehicle having an antenna arrangement of this type), the antenna arrangement having at least two transmitting antennas (S) and at least two receiving antennas (E). According to the invention, the transmitting antennas (S) are spatially grouped in a transmitting group (SG) and the receiving antennas (E) are spatially grouped in a receiving group (EG), the distances between the transmitting antennas (S) and between the receiving antennas (E) being smaller than the overall distance between the transmitting group (SG) and the receiving group (EG). It has in fact been demonstrated that the antennas can thereby be arranged in a much more space-saving fashion on the vehicles (11, 11a, 11b) because large distances (13) have to be provided only between the groups, not between the antennas in the groups. Where the space needed is low, interference-free operation of the antennas ...

APPARATUS AND METHOD FOR IMPROVING R.F. ISOLATION BETWEEN ADJACENT ANTENNAS

FULL-DUPLEX ANTENNA AND MOBILE TERMINAL

This application discloses a full-duplex antenna and a mobile terminal. The full-duplex antenna includes: a receive antenna, which is an omnidirectional antenna; a first transmit antenna, which is disposed on one side of the receive antenna and is a directional antenna, where a reverse direction of a main lobe of a radiation pattern of the first transmit antenna points to the receive antenna; and a second transmit antenna, disposed on the other side of the receive antenna, where a distance between the second transmit antenna and the receive antenna is equal to a distance between the first transmit antenna and the receive antenna, the second transmit antenna is a directional antenna, and a reverse direction of a main lobe of a radiation pattern of the second transmit antenna points to the receive antenna.

ANTENNA MODULE HAVING INTEGRATED RADIO FREQUENCY CIRCUITRY

One embodiment is directed to an antenna module comprising integrated RF circuitry comprising at least one of a transmitter and a receiver. The module further comprises an antenna element operatively coupled to the integrated RF circuitry, the antenna element comprising first and second substantially co-planar portions. The integrated RF circuitry is disposed on an interior part of at least one of the first and second substantially co-planar portions. Other embodiments are disclosed.

DUPLEXING ANTENNA FOR PORTABLE RADIO TRANSCEIVER

An antenna for use with portable duplex radio transceivers, such as those found in hand-held cellular telephones, which includes a pair of co-planar radiating patch elements elevated above a conductive surface by a conductive bar. The surface and bar define a reference ground plane which inherently isolates the patches. The patches are shaped so that they operate in a desired frequency band as well as bandpass filters -- one of the patches is tuned to the transmit band and serves a transmit structure, and the other patch is tuned to the receive band and serves as a receive structure. Switching devices such as positive-intrinsic negative (PIN) diodes can be disposed along the space between the patches and the ground plane to allow each structure to be tuned. The antenna is efficient, because of inherent isolation between the receive and transmit patches, and eases the front end filtering functions traditionally performed by a duplexer. It can be completely enclosed within the chassis of ...

System of adaptation of a horn radiator to a mirror reflectors

Wideband planar antenna for use in wireless communication system, has upper and lower printed circuit board plates each carrying dipole radiating elements provided with branches positioned on either surfaces of plate

Antenne plane à polarisation rectiligne et circulaire. Dans un exemple, cette antenne comprend une plaque ayant une substance diélectrique avec un conducteur revêtu sur des surfaces latérales de la substance diélectrique; et au moins un élément de rayonnement comprenant : une première branche (310) positionnée sur une première surface de ladite plaque; et une seconde branche (330) positionnée sur une seconde surface de ladite plaque différente de la première surface.

Method for improving the decoupling between printed antennas

Repeater for use with mobile telephones includes donor aerial and coverage aerial linked by repeater, with metal screen preventing unwanted aerial coupling

Système répéteur, en particulier dans le domaine de la téléphonie mobile, ce système étant installé sur un même support (10) et comprenant au moins une antenne dite donneuse (AD) et une antenne dite de couverture (AC) pour recevoir et réémettre des signaux sans transposition de fréquence entre une station centrale et au moins un téléphone mobile dans une gamme de fréquences attribuée, et au moins un circuit répéteur et un dispositif de découplage (D) montés entre lesdites antennes, caractérisé en ce que le découplage DEC est tel que : DEC = Gmax + 10 dB où Gmax est le gain maximum du système répéteur, et en ce que la valeur de ce gain maximum est comprise entre 50 dB et 80 dB.

RADIO TRANSCEIVER WITH ISOLATION GRATING BETWEEN TRANSMITTING AND RECEIVING ANTENNAS

An antenna arrangement has a first transmit antenna for transmitting radio signals in a first frequency band and a second receive antenna for receiving radio signals in a second frequency band, and further has a diffraction grating located between the first and second antennas, for attenuating signals transmitted from the first antenna in the first frequency band.

DYNAMIC PHASED ARRAY TAPERING WITHOUT PHASE RECALIBRATION

A method for phased array tapering includes setting a gain at a phase-invariant variable gain amplifier in each of a plurality of front-ends of a phased array transceiver to perform tapering of beam pattern side lobes. A resistance in the phase-invariant variable gain amplifier is set to provide a phase shift that is independent of gain. 1. A method for phased array tapering , comprising:setting a gain at a phase-invariant variable gain amplifier in each of a plurality of front-ends of a phased array transceiver to perform tapering of beam pattern side lobes, wherein a resistance in the phase-invariant variable gain amplifier is set to provide a phase shift that is independent of gain.2. The method of claim 1 , wherein setting the gain at each phase-invariant variable gain amplifier comprises setting a direct-current collector current.3. The method of claim 1 , further comprising setting a pre-determined relationship between gain and phase shift by controlling the resistance.4. The method of claim 1 , wherein setting the gain comprises setting a first gain at a first stage of the phase-invariant variable gain amplifier and setting a second gain at a second stage of the phase-invariant variable gain amplifier.5. The method of claim 4 , wherein a dependency of a phase shift of the first stage on the gain of the first stage is equal to and opposite a dependency of a phase shift of the second stage on the gain of the second stage.6. A system configured to control a phased array claim 4 , comprising:a gain control module configured to set a gain at the phase-invariant variable gain amplifier in each of a plurality of front-ends of a phased array transceiver to perform tapering of beam pattern side lobes, wherein a resistance in the phase-invariant variable gain amplifier is set to provide a phase shift that is independent of gain.7. The system of claim 6 , wherein the gain control module is further configured to set a direct-current collector current to control the gain. ...

RF FRONT-END MODULE AND ANTENNA SYSTEMS

Architectures and implementations of a transceiver system for wireless communications are presented, the system including one or more antennas supporting a single frequency band or multiple frequency bands, a transmit circuit, a receive circuit, and an isolation circuit that is coupled to the one or more antennas and the transmit and receive circuits and provides adequate isolation between the transmit circuit and the receive circuit.

SIGNAL TRANSMISSION RECEPTION SWITCHING APPARATUS

Electronic device

An electronic device is disclosed. The electronic device includes a main body on which a controller is mounted, a strap pin connector protruding from the main body, at least a portion of the strap pin connector having conductivity, a strap pin spaced apart from the main body and connected to the strap pin connector, at least a portion of the strap pin having conductivity, and an antenna pattern disposed in an insulating portion of an outer surface of the main body, connected to a wireless communication unit, and having conductivity. The strap pin connector, the strap pin, and the antenna pattern are electrically connected to one another and form an antenna that transmits and receives a radio wave.

METHOD AND SYSTEM FOR ANTENNA INTERFERENCE CANCELLATION

Apparatus and method for improving R.F. isolation between adjacent antennas

Method and apparatus for improving the r.f. isolation between a transmitting (10) and receiving (12) microstrip antenna disposed at respectively correspondingly spaced apart but relatively adjacent locations. A special compensation radiator (26,28,30) is provided at the transmitting and/or receiving antenna site and fed from the same r.f. input/output (20) which feeds the main antenna (16). The direction, magnitude and phase of r.f. energy radiated and/or received from the compensating radiator are chosen so as to substantially cancel the undesirable r.f. energy otherwise directly received by the receiving antenna from the transmitting antenna.

Antennenentkopplung für Dauerstrichradarsysteme

Radarsystem mit einer Kunststoffantenne mit reduzierter Empfindlichkeit auf Störwellen auf der Antenne sowie auf Reflektionen von einer Sensorabdeckung

Die Erfindung betrifft ein Radarsystem zur Umfelderfassung eines Kraftfahrzeugs mit einer Antenne auf Kunststoffbasis, wobei die Kunststoffantenne auf einer Vorderseite, die einer sensor- und/oder fahrzeugseitigen Abdeckung zugewandt ist, mehrere Einzelantennen zum Senden und/oder Empfangen von Radarsignalen aufweist und die mehreren Einzelantennen zur Detektion von Objekten und/oder ihrer Winkelbestimmung benutzt werden, dadurch gekennzeichnet, dass- die Vorderseite der Kunststoffantenne zwischen den Einzelantennen auf ihrer Oberfläche zumindest teilweise nicht reflektierend, also insbesondere nicht metallisiert, ausgebildet ist, und zumindest teilweise aus Kunststoffmaterial, das Radarwellen teilweise oder ganz absorbiert, ausgebildet ist und/oder- die Vorderseite der Kunststoffantenne zwischen den Einzelantennen passive Antennen, sogenannte Blindantennen, aufweist, die zumindest einen Teil der von ihnen empfangenen Leistung nicht wieder zurückreflektieren, sondern in das Kunststoffmaterial ...

SENDERINTERFERENZUNTERDRÜCKUNG

Frontendmodul mit Antennentuner

In einem Frontendmodul für eine drahtlose Sende-/Empfangseinrichtung mit zwei Antennen und zwei damit verbundenen Signalpfaden wird zum Erkennen einer Fehlanpassung der Antenne die übertragene und die reflektierte Leistung in aktivem und in passivem Signalpfad überwacht und in einem Controller zur Generierung eines Steuersignals für den Antennentuner verwendet. Dabei wird eine nachlassende Isolation zwischen erster und zweiter Antenne beziehungsweise erstem und zweitem Signalpfad erkannt, und mittels verschiedener Einrichtungen kompensiert, um eine schnellere und sicherere Antennenanpassung zu gewährleisten.

Transmit and receive antenna

Technique for full duplex with single antenna

A system and method for reducing interference in full-duplex transmission and reception of radio frequency signals by an antenna 170. The system comprises a signal coupler 167 having an antenna node connected to the antenna 170, an input node for receiving radio frequency signals for transmission by the antenna 170, an output node for outputting radio frequency signals received by the antenna 170, and a coupling node to which a variable impedance element 200 is connected to reduce interference between the signals for transmission by the antenna 170 and the signals received by the antenna 170. The variable impedance element comprises a variable phase shifter, e.g. a variable delay line 210, and a variable attenuator 220. The variable phase shifter may comprise a set of variable phase shifting elements switchable to increase or decrease the phase shift across the variable phase shifter and the variable attenuator may comprise a set of variable attenuating elements switchable to increase or ...

PROCEDURES FOR THE IMPROVEMENT OF THE UNCOUPLING OF A ON OF A STRUCTURE INSTALLED ANTENNA

ANTENNA

PROCEDURE AND SYSTEM FOR THE DELETION OF ANTENNA DISTURBANCES

Dual rectangular patch antenna system

Radio-frequency localization techniques and associated systems, devices, and methods

A device comprising: a substrate; a semiconductor die mounted on the substrate; 5 a transmit antenna fabricated on the substrate and configured to transmit, to a target device different from the device, radio-frequency (RF) signals at least at a first center frequency equal to or greater than 50 GHz; a receive antenna fabricated on the substrate and configured to receive, from the target device, RF signals at least at a second center frequency different than the first center frequency; 10 circuitry integrated with the semiconductor die and comprising a frequency multiplier and a mixer having first and second inputs and an output, the first input of the mixer being coupled to the frequency multiplier and the second input of the mixer being coupled to the receive antenna; and at least one processor configured to receive a first signal obtained based on the output of the 15 mixer and to determine a distance between the device and the target device using the first signal.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.

ANTENNA CONFIGURATION METHOD AND APPARATUS

The present invention relates to the field of data transmission. In one form, the invention relates to the transmission and/or reception of data modulated signals between various devices, including loads and/or antennas. In another form, the invention relates to the field of transponders (tags), such as Radio Frequency Identification Devices (RFID), interrogator devices/systems and the transmission of data between a tag and an interrogator. The present invention utilises antenna design to alleviate tag coupling.

ANTENNA SYSTEM

The invention relates to a multi-face phased array antenna. To prevent crosstalk between the individual faces, each face comprises two cancellers, each of which cancels the crosstalk from an adjacent face. To this end, each canceller receives a reference signal from an adjacent face and is provided with a quadrature mixer and a vector modulator.

Devices switches for lines of transmission to high frequencies

Sophisticated device of antenna for apparatus of directed communications

Coupling for VHF aerials mounted on same pylon - has quarter wavelength radius conducting disc mounted on pylon between transmitter and receiver aerials

무선-주파수 위치 측정 기술 및 관련 시스템, 디바이스 및 방법

... 기판; 기판 상에 장착된 반도체 다이(die); 기판 상에 제조되고, 적어도 제1 중심 주파수에서 무선-주파수(RF: radio-frequency) 신호들을 송신하도록 구성된 송신 안테나; 기판 상에 제조되고 적어도 제1 중심 주파수와 상이한 제2 중심 주파수에서 RF 신호들을 수신하도록 구성된 수신 안테나; 및 반도체 다이와 통합되고, RF 신호들을 송신 안테나에 제공하고, 수신 안테나로부터 RF 신호들을 수신하도록 구성된 회로를 포함하는, 디바이스가 제공된다.

RF FRONT-END MODULE AND ANTENNA SYSTEMS

DUAL RECTANGULAR PATCH ANTENNA SYSTEM

The present invention provides a method, dual rectangular patch antenna system, and radio for providing isolation and diversity while eliminating the need for a diplexer or a second transmit/receive switch. The dual rectangular patch antenna system (300) comprises a first rectangular patch antenna (302), a second rectangular patch antenna (304), and a switch (306). Receive path diversity is provided by switching between the first rectangular patch antenna (302) and the second rectangular patch antenna (304).

METHOD AND APPARATUS FOR REDUCING THE AMOUNT OF INTERFERENCE BETWEEN TWO ANTENNAE POSITIONED NEAR EACH OTHER IN AN ELECTRIC FIELD RADIO FREQUENCY IDENTIFICATION READER SYSTEM

A typical reader system has at least a receiver (110), a first antenna (120), an exciter (130) and a second antenna (140). An electrically conductive shield (160) is positioned between the first antenna (120) and the second antenna (140) in order to reduce noise generated by the second antenna (140) and received at the first antenna (120).

Array antenna and sector antenna

An array antenna is provided with: a first conductive member including a planar part; plural antennas arranged at a predetermined first interval to the planar part of the first conductive member, each of the plural antennas transmitting and receiving radio frequencies of a first polarization and radio frequencies of a second polarization that is different from the first polarization; and a second conductive member provided between the antennas adjacent to each other among the plural antennas via a gap of a predetermined second interval to the planar part of the first conductive member, the second conductive member being capacitively coupled to the first conductive member.

Ultrashort wave system

Electronic device including antenna

An electronic device including an antenna is provided. The electronic device includes a first antenna radiator that resonates in a first band, a second antenna radiator that resonates in second and third bands higher than the first band, a third antenna radiator that resonates in the second and third bands, a communication circuit, a first feeding part electrically connecting the communication circuit and the first antenna radiator, a second feeding part electrically connecting the communication circuit and the second antenna radiator, and a third feeding part electrically connecting the communication circuit and the third antenna radiator. The communication circuit receives a signal in the second band while transmitting and receiving a signal in the second band by using the second antenna radiator and receives a signal in the third band while transmitting and receiving a signal in the third band using the third antenna radiator.

Feedback cancellation system and method

A system and method for detecting antenna coupling and for providing feedback cancellation in response to the antenna coupling includes a signal feedback cancellation circuit configured to be coupled between a signal receiver and a signal transmitter. The feedback cancellation circuit is responsive to received signals, amplified signals and the detection of signal coupling between a receiving antenna any transmitting antenna, for providing a feedback cancellation signal to a signal amplifier. The feedback cancellation circuit may employ time domain or frequency domain methods. In the case of a time domain method, the feedback cancellation circuit may further include a White noise generator which serves to the tune or adjust the feedback cancellation circuit.

Antenna system

The present invention relates to the communications field, and in particular, to an antenna system. The antenna system includes: a transmit antenna, a receive antenna, a radome above the transmit antenna and the receive antenna, and a reflector within the radome, where a signal received by the receive antenna after a transmitted signal of the transmit antenna is reflected by the reflector offsets an intra-frequency interference signal generated because the transmitted signal of the transmit antenna is directly received by the receive antenna. As a result, according to the embodiments of the present invention, the intra-frequency interference signal of the transmit antenna to the receive antenna may be eliminated without increasing the number of antennas and a distance between antennas.

DIFFERENTIAL SIGNALING OF ANTENNAS ON A SUBSTRATE

A device comprising: a substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals; a receive antenna fabricated on the substrate and configured to receive RF signals; and circuitry, disposed on the substrate and differentially coupled to the transmit and receive antennas, and configured to provide to the transmit antenna RF signals to be transmitted by the transmit antenna and to process RF signals received by the receive antenna, wherein the substrate comprises material for reducing harmonic coupling between the transmit antenna and the receive antenna. 1. A device , comprising:a substrate;a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals;a receive antenna fabricated on the substrate and configured to receive RF signals; andcircuitry, disposed on the substrate and differentially coupled to the transmit and receive antennas, and configured to provide to the transmit antenna RF signals to be transmitted by the transmit antenna and to process RF signals received by the receive antenna,wherein the substrate comprises material for reducing harmonic coupling between the transmit antenna and the receive antenna.2. The device of claim 1 , further comprising:a first line and a second line,wherein the circuitry is differentially coupled to the transmit antenna using the first line and the second line.3. The device of claim 2 , wherein the circuitry is configured to:generate a first signal;generate a second signal out of phase with the first signal;provide the first signal to the transmit antenna via the first line; andprovide the second signal to the transmit antenna concurrently via the second line and concurrently with providing the first signal to the transmit antenna.4. The device of claim 3 , wherein the circuitry is configured to generate the second signal by phase shifting the first signal by 180 degrees.5. The device of claim 3 , wherein the transmit antenna is ...

Method of and apparatus for decoupling antennas

OBJECT DETECTION SENSOR WITH RADOME COVER CONFIGURATION TO REDUCE TRANSMITTER-RECEIVER COUPLINGS

БАЗОВАЯ СТАНЦИЯ

Изобретение относится к технологии связи, использующей совместное использование сети, и предназначено для устранения помех со стороны интермодуляционного сигнала, генерируемого сигналом нисходящей линии связи, создаваемых сигналу восходящей линии связи как для той же самой полосы частот, так и других полос частот. В вариантах воплощения настоящего изобретения предлагается базовая станция, включающая в себя антенный блок и радиочастотный блок, при этом порт, соответствующий каналу приема, который относится к радиочастотному блоку и находится в работающем состоянии, и порт, соответствующий каналу передачи, который относится к радиочастотному блоку и находится в работающем состоянии, по отдельности соединены с портами, соответствующими различным диполям с двойной поляризацией или различным диполям с одинарной поляризацией, имеющимся в антенном блоке, причем эти различные диполи с двойной поляризацией или различные диполи с одинарной поляризацией, имеющиеся в антенном блоке, взаимно изолированы ...

БАЗОВАЯ СТАНЦИЯ

ANORDNUNG UND VERFAHREN ZUM BETRIEB EINER MEHRZAHL VON ENDGERÄTEN AN EINER GEMEINSAMEN ANTENNE

Sender-Empfänger-Einheit mit störreduzierter Antenne

Eine Sender-Empfänger-Einheit, insbesondere für Meßanwendungen, umfaßt einen Sender (1) zum Erzeugen eines Abtastsignals, eine Erfassungsantenne (5) zum Abstrahlen des Abtastsignals in ein Erfassungsvolumen und zum Auffangen eines aus dem Erfassungsvolumen zurückgeworfenen Nutz-Echosignals und einen Empfänger (2) zum Auswerten eines von der Erfassungsantenne (5) gelieferten Echosignals. Das Echosignal setzt sich aus einem Nutz-Echosignal und einem in der Erfassungsantenne (5) erzeugten Stör-Echosignal zusammen. Um das Stör-Echosignal zu kompensieren, ist eine Antennennachbildung (6) über einen Koppler (3) an den Sender (1) und an den Empfänger (2) angeschlossen, die mit dem Abtastsignal beaufschlagt ein zum Stör-Echosignal proportionales Korrektursignal liefert. Der Koppler überlagert Korrektursignal und Echosignal derart, daß Korrektursignal und Stör-Echosignal einander auslöschen.

A dipole antenna for use in radar applications

An antenna 100 comprises: a housing 110 with an opening 111 into a cavity 112, where the cavity 112 contains a planar bow-tie shaped conducting layer 220 formed on, or adjacent, a first surface of a planar substrate 210; an absorbing under layer 230 formed on, or adjacent, a second surface (opposite to the first surface) of the substrate 210; a mechanical protection block 120 between the conductive layer 220 and the cavity opening 111; and an absorber assembly 300 located on the opposite side of the conductive layer 220 from that of the opening 111 and where an absorber layer 310 is located between first and second dielectric layers 320, 330. The conducting layer 220 may be printed on a printed circuit board which is less than 1 mm thick which allows capacitive coupling between the conducting layer 220 and the under layer 230, which may be made of graphite. The absorber assembly 300 may include a plurality of interlayered dielectric and absorber layers. The housing 110 may be made of metal ...

Aerodynamic circularly-polarised antenna

A wide-band antenna suitable for mounting on an asymmetric surface includes a waveguide section (10) of circular cross-section closed at one end. The diameter of the waveguide section (10) is appropriate to the wavelength of the antenna operating frequency. The open end (11) of the waveguide section is positioned on the asymmetric surface (12) and is covered by a radome (13) of a material substantially transparent to radiation and which converts the surface (12) to a symmetrical profile. A probe (14) extends into the waveguide section (10) near to its closed end in a direction perpendicular to the longitudinal axis of the waveguide section (10) and a quarter-wave plate (16) is positioned in the waveguide section (10) across a diameter of the section at an angle relative to the probe (14) such that the antenna radiates, or is responsive to, circularly-polarised radiation. Other disclosures are: using one antenna system for receiving and another for transmitting with a separating barrier ...

Receiving apparatus and transmitting apparatus in a thin form

ANTENNA SYSTEMS.

A radio communication device and an antenna system

Antenna device and electronic device including the same

An electronic device is provided that includes a circuit board received in the electronic device and in which at least one board is layered, a communication module disposed at one surface of the circuit board and electrically connected to the circuit board, an antenna electrically connected to the communication module, and a metal structure whose one surface is separated from the other surface of the circuit board to form a space within the electronic device by enclosing the circuit board and in which at least one aperture is formed at one side thereof.

Electromagnetic patch antenna repeater with high isolation

A repeater system is disclosed including a dual-fed donor patch antenna with a first microstrip antenna probe and a second microstrip antenna probe, phase shifting circuitry connected to the first microstrip antenna probe and the second microstrip antenna probe, wherein the phase shifting circuitry is configured to receive an input signal, supply a first signal to the first microstrip antenna probe, and supply a second signal to the second microstrip antenna probe using the input signal such that the first signal and the second signal are approximately 180 degrees out of phase with respect to each other. The repeater system also includes a coverage antenna (either a patch antenna or dipole antenna) and a housing connecting the dual-fed donor patch antenna and the coverage antenna. The housing is disposed to serve as a ground plane for the donor patch antenna and the coverage antenna.

Integrated and Configurable Radar System

An integrated radar system includes a processing module and a radar device. The radar device includes an antenna module, a configurable shaping module, and a configurable transceiver module. The processing module generates an outbound signal and a control signal to configure the integrated radar system. The configured transceiver module converts the outbound signal into an outbound wireless signal. The configured shaping module shapes the outbound wireless signal into a shaped signal. The antenna module transmits the shaped signal and then receives an inbound radar signal. The configured shaping module shapes the inbound radar signal into an inbound wireless signal. The configured transceiver module converts the inbound wireless signal into an inbound symbol stream. The processing module determines location information regarding an object based on the inbound symbol stream.

VEHICULAR ANTENNA

A vehicular antenna includes a transmitting antenna element, a receiving antenna element, a coupling portion, and an adjusting portion. The transmitting antenna element transmits a radio wave as a transmission wave. The receiving antenna element receives a radio wave as a receiving wave. The coupling portion electromagnetically couples a transmitting line through which the transmission wave passes with a receiving line through which the receiving wave passes. The adjusting portion adjusts, within the coupling portion, a mutual coupling amount between the transmission wave in the transmitting line and the receiving wave in the receiving line. The adjusting portion further adjusts a phase of the transmission wave to be coupled with the receiving wave by the coupling portion. 1. A vehicular antenna comprising:a transmitting antenna element that transmits a radio wave, which is also referred to as a transmission wave;a receiving antenna element that receives a radio wave, which is also referred to as a receiving wave;a coupling portion that electromagnetically couples a transmitting line through which the transmission wave passes with a receiving line through which the receiving wave passes, the transmitting line coupling the transmitting antenna element to a transmitter and the receiving line coupling the receiving antenna element to a receiver; andan adjusting portion that adjusts, within the coupling portion, a mutual coupling amount between the transmission wave in the transmitting line and the receiving wave in the receiving line, the adjusting portion further adjusting a phase of the transmission wave to be coupled with the receiving wave by the coupling portion.2. The vehicular antenna according to claim 1 ,wherein the coupling portion is provided by a distributor,wherein the distributor distributes the transmission wave to be coupled with the receiving wave from the transmitting line to the receiving line,wherein the adjusting portion is provided by a phase ...

DUAL RECEIVER/TRANSMITTER RADIO DEVICES WITH CHOKE

Wireless radio apparatuses for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals having dual receivers and transmitters. Radio devices and systems may include a pair of reflectors separated by an isolation choke boundary. The device may be configured to operate in any appropriate band (e.g., a 5 GHz band, a 24 GHz band, etc.) and may simultaneously transmit and receive with minimal crosstalk. The isolation choke boundary may have ridges that extend between the first and second parabolic reflectors to a height that may be tuned to the band. The isolation choke boundary provides greater than 10 dB isolation between the first and the second parabolic reflectors may be in a fixed configuration relative to each other so that they are aligned to send/receive in parallel. The two reflectors may be formed of a single housing, with fixed parallel alignment.

INTEGRATED SHIELDING FOR MOTOR AND TEST ANTENNA DE-COUPLING

A measurement system for measurements of a device under test (DUT) is provided. The measurement system includes a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT. The system further includes a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation. The system further includes a geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna. 1. A measurement system for performing measurements of a device under test (DUT) , comprising:a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT;a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation; anda geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna; andwherein the geometrical fixture is directly attached to the positioning device or is integrally formed with the positioning device.2. The measurement system according to claim 1 , wherein the measurement system is located inside a shielded chamber.3. The measurement system according to claim 1 , further comprising:a signal generator/analyzer configured to generate, receive and analyze RF signals.4. The measurement system according to claim 1 , further comprising:a reflector positioned such that one or more of the RF radiation sent by the first test antenna is received indirectly by the DUT via the reflector and the RF radiation sent by the DUT is received indirectly by the first test antenna via the reflector.5. The measurement system according to claim 1 , wherein the DUT is de-coupled or shielded from the at least one motor and the ...

CROSS-TALK COMPENSATION FOR GRADIOMETER PROBES

A system/device, such as a gradiometer probe for detecting RF signals, or for example for explosive detection, has the shape of the coils in its adjustment mechanism that minimizes the cross-talk between the receiver probe (Rx) and the transmitting antenna (Tx) in such a way as to minimize (or reduce) the areas where the distance between the coils during the adjustment is the smallest. Moving coils along the plain of the coils is one mechanism of achieving it. Having the coils of different shapes, e.g., circular receiver and oval transmitter coils, is another. Many shapes are possible, including circular, oval, elliptical, and polygonal, to give a few examples. In some embodiments both of these methods/approaches are combined in a single device. 1. A device comprising:a transmitter antenna; anda receiver antenna that at least partially overlaps the transmitter antenna, configured to reduce cross talk;wherein at least one of the antennas is a differential antenna; andwherein the antennas are adjustable by movement of one of the antennas relative to the other of the antennas in a direction of adjustment that is parallel to or in a plane of one or both of the antennas.2. The device of claim 1 , wherein the antennas have different shapes.3. The device of claim 1 , wherein one of the antennas is circular.4. The device of claim 1 , wherein one of the antennas is oval.5. The device of claim 1 , wherein the antennas are non-axisymmetric.6. The device of claim 1 , wherein the device includes an adjuster that is capable of adjusting position of the antennas relative to one another.7. The device of claim 6 , wherein the adjustment mechanism provides structural stiffening.8. The device of claim 6 , wherein the adjuster includes an adjustment mechanism.9. The device of claim 1 , further comprising a cross-talk tuner operatively coupled to at least one of the antennas.10. The device of claim 1 , wherein the differential antenna is a multi-loop antenna.11. The device of claim 10 , ...

RADAR ANTENNA FOR VEHICLE BUMPER FASCIA

For example, a system may include a radome to be attached to a vehicle bumper fascia; an antenna array on a Printed Circuit Board (PCB), the antenna array is between the PCB and the radome, the antenna array comprising a Transmit (Tx) antenna configured to transmit Tx radar signals via the radome and the vehicle bumper fascia, and a receive (Rx) antenna configured to receive Rx radar signals based on the Tx radar signals; and an absorbing spacer in a spacer area between the PCB and the radome, the spacer area separating the Tx antenna from the Rx antenna, the absorbing spacer configured to absorb reflected signals formed by reflection of the Tx radar signals from the vehicle bumper fascia. 1. A radar apparatus comprising:a radome;an antenna array on a Printed Circuit Board (PCB), the antenna array is between the PCB and the radome, the antenna array comprising a Transmit (Tx) antenna configured to transmit Tx radar signals via the radome and a vehicle bumper-fascia, and a receive (Rx) antenna configured to receive Rx radar signals based on the Tx radar signals; andan absorbing spacer in a spacer area between the PCB and the radome, the spacer area separating the Tx antenna from the Rx antenna, the absorbing spacer configured to absorb reflected signals formed by reflection of the Tx radar signals from the vehicle bumper fascia.2. The radar apparatus of claim 1 , wherein at least part of a surface of the radome is directly in touch with a surface of the vehicle bumper fascia.3. The radar apparatus of claim 1 , wherein a distance between the surface of the radome and the surface of the vehicle bumper fascia is less than 50 millimeter.4. The radar apparatus of claim 1 , wherein a distance between the surface of the radome and the surface of the vehicle bumper fascia is less than 5 millimeter.5. The radar apparatus of claim 1 , wherein a distance between the surface of the radome and the surface of the vehicle bumper fascia is less than 1 millimeter.6. The radar ...

EMERGENCY RESPONDER INSTALL METHOD

Technology for a vehicle on-frequency repeater system is disclosed. The vehicle repeater can comprise a donor antenna. The vehicle repeater can comprise a server antenna. The vehicle repeater can comprise a first direction amplification path communicatively coupled between the donor antenna and the server antenna. The vehicle repeater can comprise a second direction amplification path communicatively coupled between the donor antenna and the server antenna. The donor antenna can be configured to be mounted on an exterior of a vehicle. The server antenna can be configured to be mounted on or directed towards an exterior of the vehicle facing substantially away from the vehicle to provide an amplified radio frequency signal about the vehicle for communicating with a communication system. 1. A vehicle on-frequency repeater system comprising:a donor antenna;a server antenna;a first direction amplification path communicatively coupled between the donor antenna and the server antenna;a second direction amplification path communicatively coupled between the donor antenna and the server antenna;wherein the donor antenna is configured to be mounted on an exterior of a vehicle; andwherein the server antenna is configured to be mounted on the exterior of the vehicle or is mounted facing substantially away from the vehicle to provide an amplified radio frequency signal about the vehicle for communicating with a wireless device.2. The vehicle on-frequency repeater system of claim 1 , wherein the donor antenna is mounted on a telescoping pole to enable the donor antenna to be extended away from the server antenna to provide increased isolation between the donor antenna and the server antenna.3. The vehicle on-frequency repeater system of claim 1 , wherein the donor antenna is mounted on a pivotable pole operable to pivot to be substantially flush with the vehicle.4. The vehicle on-frequency repeater system of claim 1 , further comprising a plurality of server antennas configured ...

PLANAR ANTENNA STRUCTURE WITH REDUCED COUPLING BETWEEN ANTENNA ARRAYS

An antenna includes a substrate, a first array of transmit antenna patches on the substrate, and a second array of receive antenna patches on the substrate. A spatial orientation of the first array with respect to the second array is selected based on a predetermined desired radiation coupling between the first array and the second array. The antenna can be part of an automotive radar sensor. 1. An antenna , comprising:a substrate having a planar surface defining a plane;a first planar array of transmit antenna patches on the planar surface of the substrate in the plane, the transmit antenna patches being disposed along a longitudinal axis of the first planar array; anda second planar array of receive antenna patches on the planar surface of the substrate in the plane, the receive antenna patches being disposed along a longitudinal axis of the second planar array; whereina spatial orientation of the first planar array with respect to the second planar array is such that the longitudinal axis of the first planar array and the longitudinal axis of the second planar array are substantially nonparallel and define a tilt angle defining an angular orientation between them within the plane, the angular orientation being selected based on a desired radiation coupling between the first array and the second array.2. The antenna of claim 1 , wherein the angular orientation between the longitudinal axis of the first planar array and the longitudinal axis of the second planar array is selected to reduce the radiation coupling between the first array and the second array.3. (canceled)4. The antenna of claim 1 , wherein at least one of the transmit antenna patches comprises a first side edge facing the second planar array claim 1 , and at least one of the receive antenna patches comprises a second side edge facing the first planar array claim 1 , the spatial orientation being selected such that the first and second side edges are substantially parallel.5. (canceled)6. The antenna ...

Multi-band radio frequency front-end circuit

Embodiments of the disclosure include a multi-band radio frequency (RF) front-end circuit. When a first antenna transmits an RF transmit signal in an RF transmit band, a second antenna may receive the RF transmit signal as an interference signal. The multi-band RF front-end circuit includes multiple receive filters for receiving an RF receive signal in multiple RF receive bands. A selected receive filter among the multiple receive filters is opportunistically reconfigured to help suppress the interference signal. Specifically, a bandpass bandwidth of the selected receive filter is expanded to include at least a portion of the RF spectrum of the interference signal. By doing so, it is possible to shunt the interference signal to a ground through the selected receive filter. As a result, it is possible to reduce an adverse impact of the interference signal to improve RF performance of the multi-band RF front-end circuit.

Re-configurable distributed antenna system

A re-configurable distributed antenna system that includes a plurality of base transceiver stations and a plurality of remote antenna units is provided. The plurality of the remote antenna units are configured and arranged to provide communication services for a plurality of coverage zones. A signal router selectively routes signal communication paths between a plurality of base transceiver stations and the plurality of the remote antenna units. At least one memory is configured to store routing scenarios and distributed antenna system configurations associated with the stored routing scenarios. Moreover, at least one controller dynamically controls the signal router to selectively route the signal communication paths between the plurality of base transceiver stations and the plurality of remote antenna units based at least in part on a then current need of communication service capacity within the plurality of coverage zones and the stored coverage routing scenarios.

ANTENNA MODULE AND WIRELESS CONTROL SYSTEM INCLUDING THE SAME

An antenna module according to an embodiment of the invention includes a first antenna unit, a second antenna unit symmetrically disposed to the first antenna unit with a wall interposed therebetween, and an antenna connection unit which connects the first antenna unit and the second antenna unit. 1. An antenna module comprising:a first antenna unit;a second antenna unit symmetrically disposed to the first antenna unit with a wall interposed therebetween; andan antenna connection unit which connects the first antenna unit with the second antenna unit.2. The antenna module of claim 1 , wherein each of the first antenna unit and the second antenna unit comprises a reflection plate and an antenna disposed on the reflection plate.3. The antenna module of claim 2 , wherein the antenna comprises a directional antenna.4. The antenna module of claim 2 , wherein each of the first antenna unit and the second antenna unit further comprises a cover that covers the reflection plate and the antenna.5. The antenna module of claim 4 , wherein the first antenna unit and the second antenna portion further comprise a ground on which the reflection plate is disposed.6. The antenna module of claim 1 , wherein the antenna connection unit comprises an antenna line and a coaxial cable which surrounds the antenna line.7. The antenna module of claim 6 , wherein an insulating layer is formed between the antenna line and the coaxial cable.8. The antenna module of claim 7 , wherein a ground layer is formed between the coaxial cable and the insulating layer.9. The antenna module of claim 1 , wherein each of the first antenna unit and the second antenna unit is connected to the antenna connection unit through a first coupler and a second coupler.10. The antenna module of claim 9 , wherein each of the first coupler and the second coupler comprises a female section connected to the antenna connection unit claim 9 , and a male section connected to the first antenna unit and the second antenna unit ...

Circuits and methods for antenna-based self-interference cancellation

Circuits and methods for antenna-based self-interference cancellation are provided. In some embodiments, circuits for antenna-based self-interference cancellation are provided, the circuits comprising: a transmit antenna having a transmit port that receives a transmit signal; a receive antenna having a receive port that is cross-polarized with respect to the transmit port and having an auxiliary port that is co-polarized with respect to the transmit port; and a termination connected to the auxiliary port that reflects a signal received at the auxiliary port as a reflected signal, wherein the reflected signal counters interference caused by the transmit signal at the receive port.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A device , comprising:a substrate;a semiconductor die mounted on the substrate;a receive antenna fabricated on the substrate and configured to receive, from an interrogator device, radio-frequency (RF) signals circularly polarized in a first rotational direction;a transmit antenna fabricated on the substrate and configured to transmit, to the interrogator device, RF signals circularly polarized in a second rotational direction different from the first rotational direction; and generate, from RF signals provided from the receive antenna, the RF signals to be transmitted to the interrogator device, and', 'provide the generated RF signals to the transmit antenna for transmission., 'circuitry integrated with the semiconductor die and configured to2. The device of claim 1 , wherein the transmit antenna comprises a patch antenna or a planar spiral antenna.3. The device of claim 1 , wherein the transit antenna comprises a first linearly polarized antenna and a second linearly polarized antenna ...

ANTENNA DEVICE

An antenna device includes a dielectric substrate, a ground plane, an antenna unit, and an additional functional unit. The dielectric substrate includes a plurality of pattern formation layers. The ground plane is formed on a first pattern formation layer included in the plurality of pattern formation layers, and acts as an antenna grounding surface. The antenna unit is formed on a pattern formation layer that is included in the plurality of pattern formation layers and that is different from the first pattern formation layer. The antenna unit includes one or more antenna patterns configured to act as radiation elements. The additional functional unit includes one or more parasitic patterns provided on a propagation path for a surface propagating over the dielectric substrate, and causes the surface wave to generate a radiation wave with polarization different from polarization of a radio wave transmitted and received by the antenna unit. 1. An antenna device comprising:a dielectric substrate which has a plurality of pattern formation layers;a ground plane which is formed on a first pattern formation layer that is one of the plurality of pattern formation layers, the ground plane functioning as an antenna grounding surface;an antenna unit formed on one of the plurality of pattern formation layers which is different from the first pattern formation layer, the antenna unit including one or more antenna patterns configured to act as radiation elements; andan additional functional unit which includes one or more parasitic patterns provided on a propagation path of a surface wave propagating over the dielectric substrate, the additional functional unit being configured to generate a radiation wave with polarization different from polarization of a radio wave transmitted or received by the antenna unit.2. The antenna device according to claim 1 , whereinthe additional functional unit is disposed around the antenna unit.3. The antenna device according to claim 1 , ...

Antenna arrangement and rail vehicle having a plurality of antennas

An antenna arrangement for the mobile communication of a rail vehicle and a rail vehicle with an antenna arrangement of the type. The antenna arrangement has at least two transmitting antennas and at least two receiving antennas. The transmitting antennas are spatially grouped in a transmitting group and the receiving antennas are spatially grouped in a receiving group. The distances between the transmitting antennas and between the receiving antennas is smaller than the overall distance between the transmitting group and the receiving group. The antennas can thereby be arranged in a much more space-saving fashion on the vehicles because large distances have to be provided only between the groups, not between the antennas within the groups. Where the space needed is low, interference-free operation of the antennas is thus advantageously possible.

Vehicle radar device and system thereof

A vehicle radar device includes a first antenna unit, a second antenna unit, at least one computing unit and at least one circuit board. The first antenna unit and the second antenna unit are communicatively connected to the at least one computing unit. The at least one circuit board includes a first board portion and a second board portion. The first antenna unit is a circuit board type and disposed on the first board portion. The second antenna unit is a circuit board type and disposed on the second board portion. The at least one computing unit disposed on at least one of the first board portion and the second board portion. When an angle between the first board portion and the second board portion is P 12 , and the following condition is satisfied: 80 degrees≤P 12 ≤130 degrees.

ANTENNA DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME

An electronic device is provided that includes a circuit board received in the electronic device and in which at least one board is layered, a communication module disposed at one surface of the circuit board and electrically connected to the circuit board, an antenna electrically connected to the communication module, and a metal structure whose one surface is separated from the other surface of the circuit board to form a space within the electronic device by enclosing the circuit board and in which at least one aperture is formed at one side thereof. 1. An electronic device , comprising:a circuit board included the electronic device and in which at least one board is layered;a communication module disposed at one surface of the circuit board and electrically connected to the circuit board;an antenna electrically connected to the communication module; anda metal structure whose one surface is separated from the other surface of the circuit board to form a space within the electronic device by enclosing the circuit board and in which at least one aperture is formed at one side thereof.2. The electronic device of claim 1 , further comprising a bezel disposed along an edge of the electronic device claim 1 ,wherein the metal structure is extended to one side of the bezel, and the at least one aperture is disposed at one side of the bezel.3. The electronic device of claim 1 , wherein the metal structure guides beams radiated through the antenna to be radiated to the outside of the electronic device through the at least one aperture.4. The electronic device of claim 2 , wherein the metal structure reduces a cross-sectional area of the space from the at least one aperture to a specific point.5. The electronic device of claim 2 , wherein the metal structure is coupled to a dielectric substance disposed at one surface of the electronic device and the at least one aperture.6. An electronic device comprising a frame and a cover claim 2 , the electronic device comprising:an ...

BROADBAND DISTRIBUTED ANTENNA SYSTEM WITH NON-DUPLEXER ISOLATOR SUB-SYSTEM

Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non-duplexer isolator sub-system can include an active mitigation sub-system. 1. A non-duplexer isolator sub-system comprising: generating a mitigation signal from a downlink reference signal received from a downlink path,', 'generating a nonlinear distortion mitigation signal from a digital downlink reference signal received from the downlink path, and', 'mitigating downlink frequency components and nonlinear distortion in an uplink signal traversing an uplink path by combining the nonlinear distortion mitigation signal with the uplink signal., 'a mitigation sub-system configured for2. The non-duplexer isolator sub-system of claim 1 , wherein the active mitigation sub-system is further configured for:generating an additional nonlinear distortion mitigation signal; andmitigating nonlinear distortion in the downlink reference signal prior to generating the mitigation signal by combining the additional nonlinear distortion mitigation signal with the downlink reference signal.3. The non-duplexer isolator sub-system of claim 1 , wherein the active mitigation sub-system is configured for generating the mitigation signal by mitigating uplink frequency components in the downlink reference signal.4. The non-duplexer isolator sub-system of claim 1 , ...

Radar measuring device

A radar measuring device with a housing at least partially filled with a potting compound, a general-diffuse planar antenna arranged in the housing, at least one transmitter and at least one receiver that are connected to the planar antenna, and a lens arranged in a main emission direction of the planar antenna for radiation emitted from the planar antenna, wherein a separating apparatus is arranged in the housing and is designed and arranged in such a way that a penetration of the potting compound into an area within the separating apparatus and between the antenna and the lens is prevented. 1302. A radar measuring device with a housing at least partially filled with a potting compound , a general-diffuse planar antenna arranged in the housing , at least one transmitter and at least one receiver that are connected to the planar antenna , and a lens arranged in a main emission direction H of the planar antenna for radiation emitted from the planar antenna , wherein a separating apparatus is arranged in the housing and is designed and arranged in such a way that a penetration of the potting compound () into an area within the separating apparatus and between the antenna and the lens is prevented.2. The radar measuring device according to claim 1 , wherein the separating apparatus is made from a plastic.3. The radar measuring device according to claim 1 , characterized in that the separating apparatus is designed to radially surround the planar antenna at the rear.4. The radar measuring device according to claim 1 , wherein the separating apparatus is designed to radially surround the lens at the front.5. The radar measuring device according to claim 1 , wherein the separating apparatus is designed to widen conically in the main emission direction H.6. The radar measuring device according to claim 1 , wherein the separating apparatus has a front and/or a rear sealing apparatus in the main emission direction.7. The radar measuring device according to claim 6 , wherein ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A system , comprising: transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'receive, from the target device, a second RF signal having a second center frequency different from the first frequency, wherein the second center frequency is a harmonic of the first center frequency;, 'at least a first antenna configured tofirst circuitry configured to obtain, based on the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between at least the first antenna and the target device;a second receive antenna configured to receive, from the target device, a third RF signal having the second center frequency;second circuitry configured to obtain, based on the first RF signal and the third RF signal, a second mixed RF signal indicative of a second distance between the second antenna and the target device;a third receive antenna configured to receive, from the target device, a fourth RF signal having the second ...

PHASE-CONJUGATE ANTENNA SYSTEM

Various embodiments of the present disclosure provide an antenna system including a first set of receive antenna elements and a second set of transmit antenna elements. Each receive antenna element is paired with one of the transmit elements. Paired receive and transmit antenna elements point in the same azimuthal direction, and the receive antenna element feeds its paired transmit antenna element. Each receive antenna element and each transmit antenna element has a phase center, and the phase centers of the receive and transmit antenna elements are all positioned substantially along the same axis. The receive and transmit elements are arranged in a phase-conjugate configuration such that, for each pair of receive and transmit antenna elements, those receive and transmit antenna elements are altitudinally spaced substantially the same distance from a plane through the antenna system. 1. A phase-conjugate antenna system comprising:a first set of N receive antenna elements pointing in azimuthal directions and configured to receive first signals, each receive antenna element having a phase center located substantially on an axis; anda second set of N transmit antenna elements configured to transmit second signals, each transmit antenna element having a phase center located substantially on the axis,wherein each transmit antenna element is paired with one of the receive antenna elements,wherein the receive and transmit antenna elements of each pair point in the same azimuthal direction,wherein for each pair of receive and transmit antenna elements, a midpoint between the phase centers of those receive and transmit antenna elements is located substantially along the axis, andwherein the midpoints between the phase centers of the receive and transmit antenna elements of the pairs of receive and transmit antenna elements are substantially coincident.2. The phase-conjugate antenna system of claim 1 , further comprising an enclosure defining the axis.3. The phase-conjugate ...

ANTENNA CONFIGURATION METHOD AND APPARATUS

The present invention relates to the field of data transmission. In one form, the invention relates to the transmission and/or reception of data modulated signals between various devices, including loads and/or antennas. In another form, the invention relates to the field of transponders (tags), such as Radio Frequency Identification Devices (RFID), interrogator devices/systems and the transmission of data between a tag and an interrogator. The present invention utilises antenna design to alleviate tag coupling. 117-. (canceled)18. A loop antenna comprising:a first portion having a first configuration and arranged substantially in a first plane of a plurality of planes;a second portion exclusive to and connected to the first portion, having a second configuration, and arranged substantially in the first plane;wherein the first portion and the second portion are divisible by a second plane of the plurality of planes, the second plane being perpendicular to the first plane;wherein the first portion and the second portion in combination form a plurality of turns of the loop antenna; andwherein the first configuration and the second configuration are not minor images of one another when reflected about an axis formed by intersection of the first plane and any possible orientation of the second plane.19. A tag comprising:a loop antenna having a first configuration in a first plane and comprising a plurality of antenna turns;wherein, when the loop antenna is placed in a face-to-face orientation with another tag having a loop antenna of a second configuration in a second plane, the first configuration is not a mirror image of the second configuration; andwherein the first plane and the second plane are substantially parallel to one another.20. The tag as claimed in claim 19 , wherein the first configuration is not a minor image of the second configuration in a plurality of antenna orientations.21. The tag as claimed in claim 20 , wherein the first configuration is not a ...

A MEDICAL SYSTEM AND A DEVICE BASED ON MICROWAVE TECHNOLOGY FOR PREVENTION AND DIAGNOSIS OF DISEASES

The system comprising an internal unit () comprising two arrays of N transmitter and N receiver antennas (R, T) for transmitting a microwave signal(s) to one or more body tissues of a patient and for detecting a scattered microwave signal(s) by said one or more body tissues; feeding and multiplexing means () in connection with said N transmitter and N receiver antennas (T, R) and with an external computing unit () configured to receive said scattered microwave signal(s) and convert it/them into an image, wherein the feeding and multiplexing means () provide, under the control of a controller () of the external computing unit (), a continuous sequential selection of different pairs of transmitter and receiver antennas (T, R) to perform the transmission of the microwave signal(s) and the detection of the scattered microwave signal(s). 2. The system of claim 1 , wherein each of said N transmitter antennas and each of said N receiver antennas is connected to a radiofrequency switch by means of radiofrequency transmission lines.3. The system of claim 1 , wherein the N transmitter and the N receiver antennas are separated at a distance of at least half a wavelength to reduce coupling between the antennas.4. The system of claim 1 , comprising at least two transmitter antennas and at least two receiver antennas.5. The system of claim 1 , wherein the controller of the external computing unit is configured to select at each continuous sequential selection a single pair of transmitter and receiver antennas.6. The system of claim 1 , further comprising a protective shell configured to protect the two arrays of N transmitter and N receiver antennas and the feeding and multiplexing means.7. The system of claim 1 , wherein the external computing unit is connected through a wired connection to said feeding and multiplexing means.8. The system of claim 1 , wherein the external computing unit is connected through a wireless connection to said feeding and multiplexing means.9. The ...

ANTENNA DEVICE AND COMMUNICATION DEVICE

There is provided an antenna device including a first antenna including a first power supply section, a first short-circuited section connected to a bottom board, and a first open-circuited section, and a second antenna including a second power supply section separated from the first power supply section by an electric path length of about nλ/4, a second short-circuited section connected to the bottom board, and a second open-circuited section. 1. An antenna device comprising:a first antenna including a first power supply section, a first short-circuited section connected to a bottom board, and a first open-circuited section; anda second antenna including a second power supply section separated from the first power supply section by an electric path length of about nλ/4, a second short-circuited section connected to the bottom board, and a second open-circuited section.2. The antenna device according to claim 1 ,wherein the second power supply section is separated from the first power supply section in a range of λ/4×0.75 corresponding to a high frequency end of a target frequency bandwidth to λ/4×1.25 corresponding to a low frequency end of the target frequency bandwidth.3. The antenna device according to claim 1 ,wherein each of the first antenna and the second antenna includes a conductive pattern formed on a dielectric substrate.4. The antenna device according to claim 3 ,wherein each of the first open-circuited section and the second open-circuited section includes a line with a folded shape.5. The antenna device according to claim 3 ,wherein the bottom board has a slot between the first power supply section and the second power supply section, andwherein the first power supply section and the second power supply section are separated from each other by an electric path length of about λ/4, the electric path bypassing the slot.6. The antenna device according to claim 3 ,wherein the first short-circuited section and the second short-circuited section are ...

Low Range Altimeter Active Leakage Cancellation

A low range altimeter (LRA) may include a transmitter, a receiver, at least one antenna, an active leakage cancellation circuit, and a microcontroller unit (MCU). The transmitter may be configured to transmit a first signal (or transmitted signal) via the at least one antenna. The receiver may be configured to receive a second signal (or received signal) via the at least one antenna. The active leakage cancellation circuit may be configured to receive a portion of the transmitted signal from the transmitter, and may be configured to inject the portion of the transmitted signal into the receiver after an adjustment of the portion of the transmitted signal to reduce leakage observed in the received signal. The MCU may be coupled to the transmitter and the receiver, and may be configured to adjust the portion of the portion of the transmitted signal. 1. A low range altimeter (LRA) , comprising:a transmitter;a receiver;at least one antenna, the transmitter configured to transmit a first signal via the at least one antenna, the receiver configured to receive a second signal via the at least one antenna, the first signal being a transmitted signal and the second signal being a received signal;an active leakage cancellation circuit, the active leakage cancellation circuit configured to receive a portion of the transmitted signal from the transmitter, the active leakage cancellation circuit configured to inject the portion of the transmitted signal into the receiver after an adjustment of the portion of the transmitted signal to reduce leakage observed in the received signal; anda microcontroller unit (MCU), the MCU configured to adjust the portion of the transmitted signal.2. The LRA of claim 1 , the at least one antenna including a transmitting (TX) antenna coupled to the transmitter claim 1 , the at least one antenna including a receiving (RX) antenna coupled to the receiver claim 1 , the leakage observed from the transmitting antenna by the receiving antenna.3. The LRA ...

Base Station

Embodiments provide a base station, including an antenna unit and a radio frequency unit. A port corresponding to a receive channel that is of the radio frequency unit and in a working state and a port corresponding to a transmit channel that is of the radio frequency unit and in the working state are separately connected to ports corresponding to different dual-polarized dipoles or different single-polarized dipoles in the antenna unit. The different dual-polarized dipoles or the different single-polarized dipoles in the antenna unit are mutually isolated. 1. An apparatus , comprising:a first dual-polarized dipole;a second dual-polarized dipole; anda plurality of ports corresponding to the first dual-polarized dipole; anda plurality of ports corresponding to the second dual-polarized dipole;wherein the plurality of ports corresponding to the first dual-polarized dipole are usable for separately receiving signals from a plurality of transmit ports of a radio frequency apparatus, wherein the plurality of ports corresponding to the second dual-polarized dipole are usable fore separately transmitting signals to a plurality of receive ports of the radio frequency apparatus, and wherein the first dual-polarized dipole and the second dual-polarized dipole are mutually isolated from each other.2. The apparatus according to claim 1 , wherein the first dual-polarized dipole comprises a first antenna and a second antenna claim 1 , a polarization direction of the first antenna is +45 degrees claim 1 , and a polarization direction of the second antenna is −45 degrees.3. The apparatus according to claim 2 , wherein the second dual-polarized dipole comprises a third antenna and a fourth antenna claim 2 , a polarization direction of the first antenna is +45 degrees claim 2 , and a polarization direction of the second antenna is −45 degrees.4. The apparatus according to claim 1 , wherein the plurality of ports corresponding to the first dual-polarized dipole consists of two ports ...

ANTENNA SYSTEM

An antenna system is described. A main antenna may be configured to receive a first signal, and a first auxiliary antenna may be configured to receive a second signal from a first expected interference direction. An adjustment unit receives the second signal and is configured to adjust the second signal. A combiner unit receives the first signal and the adjusted second signal and is configured to combine the adjusted second signal with the first signal to reduce any contribution of the second signal to the first signal. 1. An antenna system comprising:a main antenna, configured to receive a first signal;a first auxiliary antenna, configured to receive a second signal from a first expected interference direction;an adjustment unit in communication with the first auxiliary antenna to receive the second signal and configured to adjust the second signal; anda combiner unit, in communication with the main antenna to receive the first signal, and in communication with the adjustment unit to receive the adjusted second signal, the combiner unit being configured to combine the adjusted second signal with the first signal, to reduce any contribution of the second signal to the first signal.2. The antenna system of claim 1 , wherein the first auxiliary antenna is positioned claim 1 , relative to the main antenna claim 1 , to receive a stronger second signal.3. The antenna system of claim 1 , further comprising a second adjustment unit claim 1 , wherein the second adjustment unit is in communication with the main antenna to receive the first signal claim 1 , and adjusts the first signal claim 1 , prior to providing the signal to the combiner unit.4. The antenna system of claim 1 , wherein the main antenna is an antenna array and the first auxiliary antenna is an array element of the main antenna.5. The antenna system of claim 1 , wherein the main antenna is a duplex transceiver and the first auxiliary antenna is a receiving antenna.6. The antenna system of claim 1 , further ...

RECEIVING AND TRANSMITTING DEVICE FOR WIRELESS TRANSCEIVER

A receiving and transmitting device for wireless transceivers is revealed. The device has been developed from a high isolation MIMO (multiple-input multiple-output) antenna used for 2.45 GHz WLAN operation. The antenna is a dual-fed coupled monopole MIMO antenna that includes a dielectric substrate and a MIMO antenna. A grounding portion with two signal ends for feeding signals is disposed on the dielectric substrate. A T-shaped metal plate is extended from the grounding portion and located between two signal ends. A C-shaped parasitic element is arranged at the metal plate and there is a certain distance therebetween so as to adjust the isolation. The antenna is symmetrical for improving isolation and is suitable for USB dongles or small-sized wireless mobile devices. 1. A receiving and transmitting device for wireless transceivers comprising a grounding portion , a radiating portion , a parasitic element , a first feed body , and a second feed body , all arranged at a substrate; whereinthe grounding portion is on one surface of the substrate;the radiating portion having a vertical extension segment extended from top of the grounding portion, a first horizontal extension segment and a second horizontal extension segment respectively extended from one end of the vertical extension segment away from the grounding portion and toward opposite directions, a first radiation segment and a second radiation segment respectively extended from one end of the first horizontal extension segment away from the vertical extension segment and one end of the second horizontal extension segment away from the vertical extension segment; there is a first spacing distance between the first radiation segment and the grounding portion while a second spacing distance is between the second radiation segment and the grounding portion;the parasitic element having an upward opening is arranged over the radiating portion and there is a first coupling gap formed between the parasitic element and ...

ANTENNA ARRAY AND NETWORK DEVICE

An antenna array, including at least two antenna bays. Operating frequency bands of all of the at least two antenna bays are the same, each antenna bay includes at least one transmit channel or receive channel, and each antenna bay transmits data in a co-frequency co-time full duplex manner. Alternatively, operating frequency bands of two adjacent antenna bays of the at least two antenna bays are adjacent frequency bands or are separated by one or two frequency bands, each antenna bay includes at least one receive channel and at least one transmit channel, and each antenna bay transmits data in an asynchronous manner. An angle value between a line connecting center points of any two adjacent antenna bays of the at least two antenna bays and a horizontal line is acute. By using the present invention, isolation between antenna bays of the antenna array is increased. 1. An antenna array , comprising:at least two antenna bays, wherein the at least two antenna bays have same operating frequency bands, each of the at least two antenna bay comprises at least one of a transmit channel or a receive channel, and each of the at least two antenna bay transmits data in a co-frequency co-time full duplex manner; and whereinan angle value of an acute included angle between a line connecting center points of any two adjacent antenna bays of the at least two antenna bays and a horizontal line is θ, wherein 30≤θ≤60.2. The antenna array according to claim 1 , wherein the at least two antenna bays are on a same plane.3. The antenna array according to claim 2 , wherein two adjacent antenna bays of the at least two antenna bays form a rectangle claim 2 , the two adjacent antenna bays are disposed at two ends of a first diagonal of the rectangle claim 2 , and a second diagonal of the rectangle is empty.4. The antenna array according to claim 2 , wherein center points of the at least two antenna bays are on a same straight line.5. The antenna array according to claim 1 , wherein each of ...

WIDEBAND RADIO-FREQUENCY ANTENNA

Radio-frequencies (RF) antennas for use in micro-localization systems are described. The RF antennas described herein may enable localization of objects with high resolutions, such as in the order of one centimeter or less. The RF antennas may be further configured to reduce range error variability across different directions, so that the accuracy of a micro-localization system is substantially the same regardless of the position of the object. An illustrative RF antenna includes an emitting element having first and second conductive traces patterned to reduce the angular impulse delay variability of the RF antenna. The first conductive trace may form a first arm of a spiral and the second conductive trace may form a second arm of the spiral. At least one parameter of the spiral may be selected to reduce the angular impulse delay variability of the RF antenna. 1. A radio-frequency (RF) antenna , comprising:a conductive housing comprising a cavity;an emitting element coupled to the conductive housing, wherein the emitting element includes first and second conductive traces patterned to reduce angular impulse delay variability of the RF antenna, wherein the first conductive trace forms a first arm of a spiral and the second conductive trace forms a second arm of the spiral, and wherein at least one parameter of the spiral is selected to reduce the angular impulse delay variability of the RF antenna;a port coupled to the conductive housing; andan antenna feed electrically coupling the emitting element to the port, the antenna feed passing through the cavity.23-. (canceled)4. The RF antenna of claim 1 , wherein the at least one parameter is selected from the group consisting of spacing between the first arm and the second arm claim 1 , spacing between turns of the first arm and second arm claim 1 , width of the first arm claim 1 , width of the second arm claim 1 , and a number of turns in the spiral.5. The RF antenna of claim 1 , wherein the first conductive trace has a ...

SYSTEMS AND METHODS FOR MODE SUPPRESSION IN A CAVITY

Systems and methods for mode suppression in a cavity are provided. In certain implementations, an apparatus comprises a cavity for propagating electromagnetic signals therein, wherein the electromagnetic signals propagate multiple times through the cavity; and an absorbing material applied to a first side of the cavity, wherein the absorbing material absorbs the electromagnetic signals. Further, an apparatus includes at least one transmitting antenna configured to couple electromagnetic energy into the cavity; and at least one receiving antenna configured to couple electromagnetic energy from the cavity. 1. An apparatus , the apparatus comprising:a cavity for propagating electromagnetic signals therein, wherein the electromagnetic signals propagate multiple times through the cavity; andan absorbing material applied to a first side of the cavity, wherein the absorbing material absorbs the electromagnetic signals.2. The apparatus of claim 1 , further comprising:at least one transmitting antenna configured to couple electromagnetic energy into the cavity; andat least one receiving antenna configured to couple electromagnetic energy from the cavity.3. The apparatus of claim 2 , wherein the receiving antenna is coupled to a receiver located outside of the cavity.4. The apparatus of claim 3 , wherein the receiver is configured to receive signals at a low reception power.5. The apparatus of claim 1 , wherein the cavity is a spherical cavity formed between a spherical interior surface of an outer shell and a spherical exterior surface of an inner sphere.6. The apparatus of claim 5 , wherein the absorbing material coats the spherical interior surface.7. The apparatus of claim 5 , wherein the inner sphere encloses a sensor claim 5 , a transmitter claim 5 , and a transmitting antenna claim 5 , the transmitting antenna coupling signals from the transmitter into the spherical cavity for reception by at least one receiving antenna.8. The apparatus of claim 1 , wherein the ...

RADIO FREQUENCY CHOKES FOR INTEGRATED PHASED-ARRAY ANTENNAS

Embodiments described herein provide for integrating a pair of phased-array antennas onto a common electrically-conductive plate, with groves fabricated into a top surface of the plate that operate as an RF choke. One embodiment comprises an apparatus that includes an electrically-conductive plate that has a top surface and an opposing bottom surface, a transmit phased-array antenna comprising a first plurality of holes through the plate from the top surface to the bottom surface that include RF transmit elements, and a receive phased-array antenna comprising a second plurality of holes through the plate from the top surface to the bottom surface that include RF receive elements. The apparatus further includes a plurality of grooves fabricated on the top surface of the plate that attenuate EM radiation induced on the receive phased-array antenna by the transmit phased-array antenna by a pre-defined amount. 1. An apparatus comprising:an electrically-conductive plate having a top surface and an opposing bottom surface;a transmit phased-array antenna comprising a first plurality of holes through the plate from the top surface to the bottom surface that include Radio Frequency (RF) transmit elements;a receive phased-array antenna comprising a second plurality of holes through the plate from the top surface to the bottom surface that include RF receive elements; anda plurality of grooves on the top surface of the plate that are configured to attenuate electromagnetic radiation induced on the receive phased-array antenna by the transmit phased-array antenna by a pre-defined amount.2. The apparatus of wherein:the plurality of grooves circumscribe a portion of at least one of the transmit phased-array antenna and the receive phased-array antenna.3. The apparatus of wherein:the plurality of grooves have a depth of approximately one quarter of a wavelength of a transmit frequency of the transmit phased-array antenna.4. The apparatus of wherein:the depth increases from one of ...

IMAGE DISPLAY DEVICE AND VIDEO WALL INCLUDING THE SAME

An image display device and a video wall including the same are disclosed. The image display device includes a housing, a display configured to display an image, a first wireless communication module disposed on one surface of the housing, and a second wireless communication module disposed at a position on an opposite surface of the housing corresponding to a position of the first wireless communication module. The first wireless communication module and the second wireless communication module transmit and receive a signal through the same short-range communication method. Various other embodiments are possible. 1. An image display device comprising:a housing;a display configured to display an image;a first wireless communication module disposed on one surface of the housing; anda second wireless communication module disposed at a position on an opposite surface of the housing corresponding to a position of the first wireless communication module,wherein the first wireless communication module and the second wireless communication module are configured to transmit and receive a signal through a same short-range communication method.2. The image display device according to claim 1 , wherein the first wireless communication module comprises a first transmission antenna and a first reception antenna claim 1 , andwherein the second wireless communication module comprises:a second transmission antenna disposed at a position corresponding to a position of the first reception antenna; anda second reception antenna disposed at a position corresponding to a position of the first transmission antenna.3. The image display device according to claim 2 , wherein the first wireless communication module comprises at least one first shielding member disposed between the first transmission antenna and the first reception antenna claim 2 , andwherein the second wireless communication module comprises at least one second shielding member disposed between the second transmission ...

ANTENNA DEVICE AND RADAR INCLUDING THE SAME

The present disclosure relates to an antenna device and a radar including the same. Specifically, the antenna device according to the present disclosure includes: at least one first antenna arranged in one direction and configured to radiate a beam tilted at a first tilt angle; at least one second antenna arranged to be spaced apart from the first antenna and configured to radiate a beam tilted at a second tilt angle; an input/output terminal disposed such that any one of a transmission signal and a reception signal moves therethrough; and a divider comprising a first port connected to the first antenna, a second port connected to the second antenna, and a third port connected to the input/output terminal, wherein the divider is disposed such that a signal transmitted to one of the first port and the second port is transmitted to a remaining one of the first and second port through a first path and a second path and the transmitted signal is isolated in the remaining port. 1. An antenna device comprising:at least one first antenna arranged in one direction and configured to radiate a beam tilted at a first tilt angle;at least one second antenna arranged to be spaced apart from the first antenna and configured to radiate a beam tilted at a second tilt angle;an input/output terminal disposed such that any one of a transmission signal and a reception signal moves therethrough; anda divider comprising a first port connected to the first antenna, a second port connected to the second antenna, and a third port connected to the input/output terminal, wherein the divider is disposed such that a signal transmitted to one of the first port and the second port is transmitted to a remaining one of the first and second port through a first path and a second path and the transmitted signal is isolated in the remaining port.2. The antenna device of claim 1 , wherein a phase of a signal transmitted to the remaining port through the first path and a phase of a signal transmitted to ...

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. (canceled)2. A system , comprising:a plurality of interrogator devices including first and second interrogator devices, each of the first and second interrogator devices comprising a radio-frequency (RF) transmit antenna configured to transmit RF signals to a target device, and transmit circuitry configured to generate RF signals for transmission to the target device by the RF transmit antenna; control the first interrogator device to transmit, to the target device, a first RF signal, and', 'after the first interrogator device has completed transmitting the first RF signal, control the second interrogator device to transmit, to the target device, a second RF signal; and, 'a controller configured to receive a third RF signal transmitted by the target device in response to transmitting the first RF signal using the first interrogator device, and', 'receive a fourth RF signal transmitted by the target device in response to transmitting the second RF signal using the second interrogator device., 'receive circuitry configured to3. The system of claim 2 , wherein the first RF signal has a first center frequency claim 2 , and the third RF signal has a second center frequency different from the first center frequency.4. The system of claim 3 , wherein the second RF signal has the first center frequency claim 3 , and the fourth RF signal has the second center frequency.5. The system of claim 3 , wherein the second center frequency ...

Wireless Transceiver Having Receive Antennas and Transmit Antennas with Orthogonal Polarizations in a Phased Array Antenna Panel

A wireless communications system includes a first transceiver with a first phased array antenna panel having horizontal-polarization receive antennas and vertical-polarization transmit antennas, where the horizontal-polarization receive antennas form a first receive beam based on receive phase and receive amplitude information provided by a first master chip, the vertical-polarization transmit antennas form a first transmit beam based on transmit phase and transmit amplitude information provided by the first master chip. The wireless communications system may include a second transceiver having vertical-polarization receive antennas and horizontal-polarization transmit antennas in a second phased array antenna panel, where the vertical-polarization receive antennas form a second receive beam based on receive phase and receive amplitude information provided by a second master chip, the horizontal-polarization transmit antennas form a second transmit beam based on transmit phase and transmit amplitude information provided by the second master chip. 121-. (canceled)22. A device , comprising:a phased array antenna panel, said phased array antenna panel comprises:receive antennas;transmit antennas;a first radio frequency (RF) front-end chip;a second RF front-end chip; anda master chip, wherein said first RF front-end chip is associated with said receive antennas, and said second RF front-end chip is associated with said transmit antennas,wherein said receive antennas of said phased array antenna panel are configured to receive first linearly polarized signals of a first polarization,said transmit antennas of said phased array antenna panel are configured to transmit second linearly polarized signals of a second polarization,wherein said receive antennas is different from said transmit antennas,wherein said first linearly polarized signals of said first polarization are isolated from said second linearly polarized signals of said second polarization,wherein said phased ...

ANTENNA DEVICE AND ELECTRICAL APPLIANCE

An antenna device includes: a first conductor layer; a second conductor layer located opposite to the first conductor layer; and a third conductor layer located opposite to the second conductor layer. The first conductor layer includes: a feed element; a first grounding element located next to the feed element in a first direction and grounded; and a parasitic element located along the feed element and the first grounding element and insulated from the feed element and the first grounding element. The second conductor layer includes: a floating element located opposite to the feed element and insulated from the first conductor layer; and a second grounding element located opposite to the first grounding element and next to the floating element and grounded. The third conductor layer includes a third grounding element grounded. 1. An antenna device , comprising:a first conductor layer;a second conductor layer that is located opposite to the first conductor layer;a first dielectric layer that is located between the first conductor layer and the second conductor layer;a third conductor layer that is located opposite to the second conductor layer; anda second dielectric layer that is located between the second conductor layer and the third conductor layer,wherein the first conductor layer includes:a feed element to which power is supplied;a first grounding element that is located next to the feed element in a first direction via a first gap and grounded; anda parasitic element that is located along the feed element and the first grounding element and insulated from the feed element and the first grounding element,the second conductor layer includes:a floating element that is located opposite to the feed element and the parasitic element and insulated from the first conductor layer; anda second grounding element that is located opposite to the first grounding element and the parasitic element and next to the floating element in the first direction via a second gap, and ...

APPARATUS FOR DETERMINING A PASSING TIME OF A PASSIVE RFID SPORTS TIMING TRANSPONDER

An apparatus for determining a passing time of a passive RFID sports timing transponder includes a housing for protecting the apparatus; an RFID reader unit connected to an RFID antenna for remotely determining an identity and a passing time of the transponder; a location unit for determining a location of the apparatus; a mobile communication unit connected to a mobile communication antenna for transmitting the identity and the passing time of the transponder and the location of the apparatus to a processing unit; and a communication unit for communicating with another similar apparatus in an immediate spatial vicinity to synchronize operation of the RFID reader unit and an RFID reader unit of the similar apparatus to avoid interference. The RFID reader unit, the RFID antenna, the location unit, the mobile communication unit and the neighbor communication unit are integrated in a common printed circuit board that is mounted within the housing. 115.-. (canceled)16. An apparatus for determining a passing time of a passive RFID sports timing transponder , comprising:a housing for protecting the apparatus from environmental effects;an RFID reader unit connected to an RFID antenna for remotely determining an identity and a passing time of the sports timing transponder upon passing the apparatus;a location unit for determining a location of the apparatus;a mobile communication unit connected to a mobile communication antenna for transmitting the identity and the passing time of the sports timing transponder and the location of the apparatus to a remote processing unit; anda neighbor communication unit for communicating with an apparatus in an immediate spatial vicinity to synchronize operation of the RFID reader unit and an RFID reader unit of the other similar apparatus to avoid interference, whereinthe RFID reader unit, the RFID antenna, the location unit, the mobile communication unit and the neighbor communication unit are integrated within the housing.17. The ...

Adjustment of near-field gradient probe for the suppression of radio frequency interference and intra-probe coupling

A sensor probe with reduced coupling between the various antenna elements and suppression of radio frequency interference. In one embodiment the sensor probe comprises a first antenna and a second antenna. A first and a second decoupling loop is electrically connected to one of the first and second antennas with current flow in opposite directions in the first and second decoupling loops. A third decoupling loop is electrically connected to another one of the first and second antennas and physically disposed between the first and second decoupling loops. Coupling between the first and second antennas is responsive to a location of the third decoupling loop relative to the first and second decoupling loops. 1. A sensor probe comprising:a first antenna;a second antenna;a first and a second decoupling loop electrically connected to one of the first and second antennas with current flow in opposite directions in the first and second decoupling loops; anda third decoupling loop electrically connected to another one of the first and second antennas and physically disposed between the first and second decoupling loops, wherein coupling between the first and second antennas is responsive to a location of the third decoupling loop relative to the first and second decoupling loops.2. The sensor probe of wherein each of the first claim 1 , second claim 1 , and third decoupling loops comprises one or more loops of conductive wire.3. The sensor probe of wherein a location of the third decoupling loop relative to the first and second coupling loops is determined to control isolation between the first and second antennas.4. The sensor probe of wherein the first antenna comprises a transmit antenna and the second antenna comprises a receive antenna claim 1 , or wherein the first antenna comprises a first receive antenna and the second antenna comprises a second receive antenna claim 1 , or wherein the first antenna comprises a first transmit antenna and the second antenna comprises ...

DUAL POLARIZATION ANTENNA INCLUDING ISOLATION PROVIDING DEVICE

The present invention relates to a dual-polarization antenna including an isolation providing device including: a transmission antenna element outputting a transmission signal provided via a feeder through a first port; a receiving antenna element receiving a reception signal so as to provide same to the second port; a first coupler distributing part of the transmission signal; an equalizer equalizing the distributed signal from the first coupler to a preset waveform; a second coupler receiving the output of the equalizer so as to couple same to a signal output to the second port; and a conductor forming a signal delivery path between the first coupler, the equalizer, and the second coupler. The coupling performance of the first and second couplers, the length of the conductor, and the functional characteristics of the equalizer are designed to allow a signal coupled to the second port through the signal delivery path using the conductor to have substantially identical amplitudes and a 180 phase difference, and an identical shape in an overall operating frequency band in contrast to a signal falsely inputted to a receiving antenna from the transmitting antenna element. 1. A dual-polarization antenna equipped with an isolation providing device , the dual-polarization antenna comprising:at least one transmission antenna device that outputs a transmission signal provided through a feeder from a first port;at least one reception antenna that receives a reception signal and provides the same to a second port;a first coupler that distributes a part of a transmission signal provided to the first port;an equalizer that equalizes a signal distributed in the first coupler to a predetermined waveform;a second coupler that receives an output from the equalizer and couples the same with a signal output to a second port; anda conductor that forms a signal delivery path among the first coupler, the equalizer, and the second coupler,wherein a coupling performance of the first and ...

MULTIPLE ANTENNA SYSTEM

A multiple antenna module suitable for use in small sized mobile computing devices includes at least a first antenna extending beyond a lateral edge of and coplanar with a printed circuit board assembly and connected to the printed circuit board assembly via a first antenna ground contact and a first antenna feed contact. The multiple antenna module also includes a second antenna located proximate to the first antenna and configured in a plane perpendicular to the plane continuing the first antenna and the printed circuit board. The second antenna is connected to the printed circuit board assembly via a second antenna ground contact and a second antenna feed contact in which the second antenna ground contact and second antenna feed contact are connect to the printed circuit between the first antenna ground contact and the first antenna feed contact. 1. A wireless device , comprising:a printed circuit board having an edge;a first antenna extending beyond the edge of and coplanar with the printed circuit board, the first antenna having a first antenna ground contact and a first antenna feed contact connecting it to the printed circuit board; anda second antenna positioned perpendicular to the first antenna and connected to the printed circuit board by a second antenna ground contact and a second antenna feed contact,wherein the second antenna ground contact and the second antenna feed contact are positioned between the first antenna ground contact and the first antenna feed contact.2. The wireless device of claim 1 , wherein the first antenna is configured to transmit and receive signals over a first wireless network.3. The wireless device of claim 2 , wherein the first wireless network is a wireless wide area network (WWAN).4. The wireless device of claim 1 , wherein the second antenna is configured to receive signals from a second wireless network.5. The wireless device of claim 4 , wherein the second wireless network is a global positioning system (GPS) network.6. ...

METHOD FOR DECOUPLING SIGNALS IN TRANSCEIVER SYSTEMS

The invention relates to a method for characterizing the effects of coupling of a radiofrequency transceiver apparatus comprising at least one transmit path and at least one receive path, and to an apparatus implementing the method. The method comprises the calculation of coefficients of a correcting filter, with the steps of: transmitting a known signal over a transmit path, receiving a signal over a receive path, calculating the coefficients of the correcting filter on the basis of the known signal and of the signal received over said receive path. The method further comprises a step, carried out during the transmission of a useful signal over the transmit path, of filtering the signal transmitted over the transmit path by means of said correcting filter in order to determine the transmitted signal received by coupling effect over the receive path. 2. Method for characterizing the effects of coupling according to claim 1 , comprising an additional step of calculating the difference between the signal received over the receive path and the equivalent coupled signal.3. Method for characterizing the effects of coupling according to claim 1 , wherein the step of calculating the coefficients comprises the solving of a system of equations that is formed from a vector of power correlation between the known signal and the received signal claim 1 , and an autocorrelation matrix of the known signal.4. Method for characterizing the effects of coupling according to claim 1 , wherein the step of calculating coefficients of a correcting filter is carried out iteratively and comprises the integration of results obtained by solving a system of equations involving the known signa and the received signal minus the equivalent coupled signal.5. Method for characterizing the effects of coupling according to claim 4 , wherein the system of equations is formed:from a vector of power correlation between the known signal and the received signal minus the equivalent coupled signal, andfrom ...

NON-INVASIVE ANALYTE SENSOR DEVICE

A non-invasive analyte sensor device that includes a sensor housing, and a decoupled antenna/detector array having at least one transmit antenna/element and at least one receive antenna/element. The sensor housing has a maximum length dimension no greater than 50 mm, a maximum width dimension no greater than 50 mm, a maximum thickness dimension no greater than 25 mm, and a total interior volume of no greater than about 62.5 cm3. In addition, the at least one transmit antenna/element and the at least one receive antenna/element have a maximum spacing therebetween that does not exceed 50 mm and a minimum spacing therebetween that is at least 1.0 mm, and the at least one transmit antenna/element and the at least one receive antenna/element are less than 95% coupled to one another, or less than 90% coupled to one another, or less than 85% coupled to one another, or less than 75% coupled to one another. 1. A non-invasive analyte sensor device , comprising:{'sup': '3', 'a sensor housing having a maximum length dimension no greater than 50 mm, a maximum width dimension no greater than 50 mm, a maximum thickness dimension no greater than 25 mm, and a total interior volume of no greater than about 62.5 cm;'}a decoupled antenna array attached to the sensor housing, the decoupled antenna array having at least one transmit antenna and at least one receive antenna, the at least one transmit antenna and the at least one receive antenna are arranged adjacent to a target containing at least one analyte of interest;the at least one transmit antenna and the at least one receive antenna have a maximum spacing therebetween that does not exceed 50 mm and a minimum spacing therebetween that is at least 1.0 mm, and wherein the at least one transmit antenna and the at least one receive antenna are less than 95% coupled to one another;the at least one transmit antenna consists of a strip of conductive material having at least one lateral dimension thereof greater than a thickness dimension ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A system , comprising: transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'receive, from the target device, a second RF signal having a second center frequency different from the first frequency;, 'a first dual-mode antenna configured tofirst circuitry configured to obtain, based on the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the dual mode antenna and the target device;a second receive antenna configured to receive, from the target device, a third RF signal having the second center frequency;second circuitry configured to obtain, based on the first RF signal and the third RF signal, a second mixed RF signal indicative of a second distance between the second antenna and the target device;a third receive antenna configured to receive, from the target device, a fourth RF signal having the second center frequency;third circuitry configured to obtain, based on the first RF signal and ...

Wireless module and method for manufacturing wireless module

A wireless module, including: a substrate; an electronic circuit mounted in a first region on a one face of the substrate; a conductive pattern formed in a second region on another face of the substrate, the conductive pattern being connected to a radio communication section of the electronic circuit, and the conductive pattern serving as an antenna when transmitting/receiving radio wave, the second region being different from the first region; a resin layer sealing the electronic circuit in the first region; a shielding layer formed on a surface of the resin layer; and a shield disposed in either one of a top layer of the substrate and an inner layer of the substrate, the shield being for shielding noise radiated from the electronic circuit.

ANTENNA STRUCTURE FOR DISTRIBUTED ANTENNA SYSTEM

One embodiment discloses an antenna structure. An antenna structure comprises: a ground plane; a transmit balanced to unbalanced (BALUN) circuit comprising a first transmit connector coupled to a combined transmit port, and a second transmit connector coupled to the combined transit port; a receive BALUN circuit comprising a first receive connector coupled to a combined receive port, and a second receive connector coupled to the combined receive port; a transmit antenna element comprising a first transmit antenna sub-element coupled to the first transmit connector and a second transmit antenna sub-element coupled to the second transmit connector; a receive antenna element independent from the transmit antenna element and comprising a first receive antenna sub-element coupled to the first receive connector and a second receive antenna sub-element coupled to the second receive connector, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other. 1. An antenna structure comprising:a ground plane;a transmit balanced to unbalanced (BALUN) circuit comprising a first transmit connector coupled to a combined transmit port, and a second transmit connector coupled to the combined transit port;a receive BALUN circuit comprising a first receive connector coupled to a combined receive port, and a second receive connector coupled to the combined receive port;a transmit antenna element comprising a first transmit antenna sub-element coupled to the first transmit connector and a second transmit antenna sub-element coupled to the second transmit connector; anda receive antenna element independent from the transmit antenna element and comprising a first receive antenna sub-element coupled to the first receive connector and a second receive antenna sub-element coupled to the second receive connector, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other ...

SYSTEM AND METHOD FOR TRANSLOCATING AND BUFFERING CELLULAR RADIATION SOURCE

System and method for reduction of exposure to electromagnetic radiation emitted while using a communication network, wherein said electromagnetic radiation can potentially cause vulnerabilities to the human body or to the data integrity conveyed thereby by the translocating and buffering of a transceiver electromagnetic radiation signal by using an intermediary relay system or method. 150-. (canceled)51. A multi frequency signal repeater system for various wireless applications , consisting:(i) at least one amplifier;(ii) a first group of antennas; and(iii) a second group of antennaswhile at least one antenna in each group having the same spectrum and corresponding to at least one antenna in the other group,at least one antenna of said first group of antennas is directly connected to the input of the at least one amplifier, and at least one antenna of the second group of antennas is directly connected to the output of the at least one amplifier; andwherein signals emitted from at least one antenna of the second group of antennas are received by at least one antenna of the first group of antennas and provide a dominant negative feedback to the amplifier.52. The repeater system of claim 51 , wherein the at least one amplifier is an operational amplifier.53. The repeater system of claim 51 , wherein each antennas group includes several antennas each operating at a different spectrum.54. The repeater system of claim 51 , wherein said spectrum is 0.7 GHz to 18 GHz.55. The repeater system of claim 51 , wherein at least one antenna of the second group of antennas is connected to the output of the amplifier through a phase shifting component.56. The repeater system of claim 55 , wherein said phase shifting component is controllable by a controlling means.57. The repeater system of claim 51 , wherein the first and second groups of antennas have opposite polarization.58. The repeater system of claim 51 , wherein the correspondence of same-spectrum antennas between the said ...

SYSTEMS FOR RECEIVING ELECTROMAGNETIC ENERGY USING ANTENNAS THAT ARE MINIMALLY AFFECTED BY THE PRESENCE OF THE HUMAN BODY

An antenna for receiving wireless power from a transmitter is provided. The antenna includes multiple antenna elements, coupled to an electronic device, configured to receive radio-frequency (RF) power waves from the transmitter, each antenna element being adjacent to at least one other antenna element. Furthermore, the multiple antenna elements are arranged so that an efficiency of reception of the RF power waves by the antenna elements remains above a predetermined threshold efficiency when a human hand is in contact with the electronic device, the predetermined threshold efficiency being at least 50%. Lastly, at least one antenna element is coupled to conversion circuitry, which is configured to (i) convert energy from the received RF power waves into usable power and (ii) provide the usable power to the electronic device for powering or charging of the electronic device. 1. An antenna for receiving wireless power from a wireless-power-transmitting device , the antenna comprising:a plurality of antenna elements, coupled to an electronic device, configured to receive radio-frequency (RF) power waves from a wireless-power-transmitting device, each antenna element being adjacent to at least one other antenna element in the plurality of antenna elements, the plurality of antenna elements is arranged so that an efficiency of reception of the RF power waves by the plurality of antenna elements remains above a predetermined threshold efficiency when a human hand is in contact with the electronic device, the predetermined threshold efficiency being at least 50%, and', 'at least one antenna element of the plurality of antenna elements is coupled to conversion circuitry, the conversion circuitry being configured to (i) convert energy from the received RF power waves into usable power and (ii) provide the usable power to the electronic device for powering or charging of the electronic device., 'wherein2. The antenna of claim 1 , wherein antenna elements in the plurality of ...

Isolation barrier

An isolation barrier for reducing coupling between a transmitting antenna on a platform and a receiving antenna on the same platform. The isolation barrier expands the isolation capabilities of radar absorbing material (RAM) to the low frequency region by integrating dielectric loaded corrugations with the RAM. The isolation barrier includes a plurality of corrugations, each including a channel with two conductive walls and a conductive base, having a depth greater than a quarter of the wavelength corresponding to the low-frequency limit of the shared operating frequency band of the transmitting antenna and the receiving antenna. A layer of radar absorbing material (RAM) covers the corrugations.

Decoupling assembly, multiple-antenna system, and terminal

Embodiments of the present invention provide a decoupling assembly, a multiple-antenna system, and a terminal, and relate to the field of communications technologies, to change a radiation direction of an electromagnetic wave, thereby achieving a decoupling effect in a relatively large frequency range. The multiple-antenna system includes a first antenna unit and a second antenna unit that are adjacent to each other. A decoupling assembly is disposed between the first antenna unit and the second antenna unit, and the decoupling assembly is made of an electromagnetic material with electrical anisotropy or electromagnetic bianisotropy, to reduce a coupling generated between the first antenna unit and the second antenna unit.

TRANSMITTING-RECEIVING-SEPARATED DUAL-POLARIZATION ANTENNA

To reduce coupling between transmission and reception while implementing sharing of polarized waves for both the transmitting band and the receiving band at the same time. Patch antenna for transmitting band and patch antenna for receiving band, which are arranged at predetermined spacing, include an upper-stage ground conductor; a lower-stage ground conductor; a feed line which is arranged among the ground conductor and the lower-stage ground conductor; a feed slot which is formed on the upper-stage ground conductor; a patch which is electromagnetically coupled with the feed line via the feed slot; and electromagnetic shielding members which are connected with the upper-stage ground conductor and the lower-stage ground conductor in a state in which the electromagnetic shielding members are located around the feed line. The feed line includes independent feeding conductors corresponding to respective polarized waves. 1. A transmitting-receiving-separated dual-polarization antenna , comprising:a patch antenna for a transmitting band; anda patch antenna for a receiving band,the patch antenna for the transmitting band and the patch antenna for the receiving band having a predetermined spacing therebetween, an upper-stage ground conductor;', 'a lower-stage ground conductor;', 'a feed line arranged between the ground conductors;', 'a feed slot formed on the upper-stage ground conductor;', 'a patch electromagnetically coupled with the feed line via the feed slot; and', 'an electromagnetic shielding member connected with the upper-stage ground conductor and the lower-stage ground conductor in a state in which the electromagnetic shielding member is located around the feed line, and, 'wherein each of the patch antenna for the transmitting band and the patch antenna for the receiving band compriseswherein the feed line comprises independent feeding conductors corresponding to respective polarized waves.2. The transmitting-receiving-separated dual-polarization antenna ...

ANTENNA ISOLATION ENHANCEMENT

Techniques are disclosed for providing isolation between a pair of partially overlapping antennas. An example electronic device includes a first antenna coupled to a first transceiver through a first signal path comprising a first feed, and a second antenna coupled to a second transceiver through a second signal path comprising a second feed. The first antenna and second antenna partially overlap. The example electronic device also includes compensation circuitry coupled to the first signal path and the second signal path and configured to generate a compensation signal that provides analog cancellation of an interference signal received at the second antenna from the first antenna. 125-. (canceled)26. An electronic device with a plurality of independent Radio Frequency (RF) systems , comprising:a first antenna coupled to a first transceiver through a first signal path comprising a first feed;a second antenna coupled to a second transceiver through a second signal path comprising a second feed; wherein the first antenna and second antenna partially overlap;compensation circuitry coupled to the first signal path and the second signal path and configured to generate a compensation signal that provides analog cancellation of an interference signal received at the second antenna from the first antenna.27. The electronic device of claim 26 , comprising a choke element that couples the first antenna and the second antenna at a location where the first antenna and the second antenna overlap.28. The electronic device of claim 26 , wherein the compensation circuitry comprises a variable phase shifter claim 26 , a variable attenuator claim 26 , a first directional coupler to couple the compensation circuitry to the first signal path claim 26 , and a second directional coupler to couple the compensation circuitry to the second signal path.29. The electronic device of claim 26 , wherein the compensation circuitry comprises a variable phase shifter claim 26 , a first adjustable ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

Scalable High-Bandwidth Connectivity

A scalable, high-bandwidth connectivity architecture for portable storage devices and memory modules may utilize EHF communication link chip packages mounted in various two-dimensional and three-dimensional configurations on planar surfaces such as printed circuit boards. Multiple electromagnetic communication links between devices distributed on major faces of card-like devices may be provided with respectively aligned pairs of communication units on each device. Adjacent communication units on a printed circuit board may transmit or receive electromagnetic radiation having different polarization, such as linear or elliptical polarization. Power and communication between communication devices may both be provided wirelessly. 1. An integrated circuit package , comprising:a dielectric substrate;at least one die on the dielectric substrate;a first antennae connected to the at least one die;a second antennae connected to the at least one die and spaced apart from the first antennae; andan extremely high frequency (EHF) radiation-blocking structure that blocks propagation of EHF radiation between the first antennae and the second antennae via the dielectric substrate, the EHF radiation-blocking structure at least partially located between the first antennae and the second antennae and comprised of electrically conductive material.2. The integrated circuit package of claim 1 , wherein the EHF radiation-blocking structure is configured to block propagation of radiation having an operating frequency of the first and second antennaes.3. The integrated circuit package of claim 1 , wherein the EHF radiation-blocking structure extends into the dielectric structure in an uninterrupted line away from the at least one die.4. The integrated circuit package of claim 1 , further comprising a around plane attached to the dielectric structure and wherein the EHF radiation-blocking structure includes a via fence having a strip of conductive material on a surface of the dielectric ...

Dual band mimo antenna and wireless access point

Antenna arrays and access points are disclosed. An antenna array includes first second, third, and fourth antennas formed in a 2×2 grid on a first surface of a planar substrate. Each of the four antennas is linearly polarized in a first direction and provides a roughly cardiod radiation pattern in a plane normal to the first direction. Nulls of the cardiod radiation patterns of the first and second antennas face the third and fourth antennas, respectively, and nulls of the cardiod radiation patterns of the third and fourth antenna face the first and second antennas, respectively.

ELECTRONIC DEVICE

An electronic device is disclosed. The electronic device includes a main body on which a controller is mounted, a strap pin connector protruding from the main body, at least a portion of the strap pin connector having conductivity, a strap pin spaced apart from the main body and connected to the strap pin connector, at least a portion of the strap pin having conductivity, and an antenna pattern disposed in an insulating portion of an outer surface of the main body, connected to a wireless communication unit, and having conductivity. The strap pin connector, the strap pin, and the antenna pattern are electrically connected to one another and form an antenna that transmits and receives a radio wave. 1. An electronic device comprising:a main body;a strap pin connector protruding from the main body, wherein at least a portion of the strap pin connector is conductive;a strap pin spaced apart from the main body and connected to the strap pin connector, wherein at least a portion of the strap pin is conductive; andan antenna pattern connected to a wireless communication unit, wherein the antenna pattern is conductive,wherein the strap pin connector, the strap pin, and the antenna pattern are electrically connected to one another and form an antenna that transmits and receives a radio wave.2. The electronic device of claim 1 , wherein the main body includes an upper surface including a display unit claim 1 , a lower surface opposite and spaced apart from the upper surface claim 1 , and a side surface connecting the upper surface to the lower surface claim 1 ,wherein the upper surface, the lower surface, and the side surface form a space inside the main body, andwherein at least a portion of the antenna pattern is formed in at least one of an insulating portion of the upper surface, an insulating portion of the lower surface, an insulating portion of the side surface, and an insulating portion of the strap pin connector.3. The electronic device of claim 1 , wherein the ...

Solution For Absorption Of Microwaves

A microwave absorbing materials or gel is disclosed. In some examples, the material can be used in communication, radar, or industrial applications or to reduce the cross section of aircrafts or ships. The gel can be used as an absorbing material is to dampen microwaves. For example, to reduce coupling between antennas, shielding of measurement system to remove disturbances from internal or external error sources, provide a matching between the antenna and the body. The absorbing material can be manufactured as a flexible and moldable gel from polymers, water, and mineral salt. By altering the ratios of the content different damping and mechanical properties of the gel can be obtained. The surface of the material is modified to densify the surface and to reduce the surface slipperiness, avoid evaporation from the gel and to enable disinfection of the surface.

ANTENNA UNIT, MULTI-ARRAY ANTENNA SYSTEM AND BASE STATION THEREOF

An antenna-unit () for at least dual-FDD bands includes a first combiner () splitting its input () into at least two outputs (). Each output () operates in at least two narrow-bands from two different FDD systems, and is respectively connected to a second and third combiners (). The second and third combiners () are respectively connected with a first RF circuit () enabling separation of two different FDD channels in an inverted Transmitter/Receiver fashion. An antenna system () based on the antenna unit () includes a set of columns of dual-polarized radiating elements () arranged on a reflector (), and the first RF circuit () is connected with a second RF circuit () of the Base Station processing, SDR is set along with the RF circuit () to enable 3D beamforming features as well as independent system link control for optimization purpose. 2. The antenna unit as claimed in claim 1 , wherein the at least two outputs of both the second and third combiners are respectively connected with a first RF circuit claim 1 , the first RF circuit comprises one FDD transmitting channel and one FDD receipting channel claim 1 , and is capable of isolating the at least two narrow-bands from each output of the first combiner.3. The antenna unit as claimed in claim 2 , wherein the FDD transmitting channel comprises a first filter claim 2 , a driven amplifier connected to an output of the first filter claim 2 , and a power amplifier connected to an output of the driven amplifier; an output of the power amplifier is connected to one output of the second or third combiner; the FDD receipting channel comprises an LNA connected to one output of the second or third combiner claim 2 , and a second filter connected to an output of the LNA.4. The antenna unit as claimed in claim 3 , wherein the first filter is capable of filtering an exact frequency of interest from the transmitting band claim 3 , the driven amplifier is capable of amplifying an input signal by keeping same shape variation as ...

Scalable High-Bandwidth Connectivity

A scalable, high-bandwidth connectivity architecture for portable storage devices and memory modules may utilize EHF communication link chip packages mounted in various two-dimensional and three-dimensional configurations on planar surfaces such as printed circuit boards. Multiple electromagnetic communication links between devices distributed on major faces of card-like devices may be provided with respectively aligned pairs of communication units on each device. Adjacent communication units on a printed circuit board may transmit or receive electromagnetic radiation having different polarization, such as linear or elliptical polarization. Power and communication between communication devices may both be provided wirelessly. 1. A device , comprising:a dielectric substrate having a major surface, the major surface aligning with and parallel to a major surface of a second substrate;a plurality of chips arranged on the major surface of the dielectric substrate, comprising a plurality of Extremely High Frequency (EHF) communication units,wherein each of the plurality of EHF communication units comprises an antenna and is configured to transmit and/or receive respective EHF electromagnetic signals in a first direction away from the major surface of the dielectric substrate, andwherein each of the plurality of EHF communication units is configured to establish a respective communication channel oriented in the first direction with a corresponding EHF communication unit of a second plurality of EHF communication units disposed at a corresponding location of the major surface of the second substrate.2. The device of claim 1 , wherein the substrate and the second substrate are separated by an intervening layer.3. The device of claim 2 , wherein the intervening layer comprises a covering encasing the plurality of chips on the major surface of the substrate.4. The device of claim 2 , wherein the intervening layer comprises a conductive material and includes a window ...

High isolation electromagnetic transmitter and receiver

A high isolation electromagnetic transmitter and receiver is revealed. An isolation portion, a first antenna body and a second antenna body are extended from and formed over a grounding portion. The isolation portion is extended to and formed between the first antenna body and the second antenna body. A parasitic element corresponding to the isolation portion is disposed between the first antenna body and the second antenna body. The isolation portion is T-shaped. The parasitic element is reverse T-shaped and arranged over the grounding portion. The structure is simple and able to be applied to the design of planar printed antennas. The production is easy and the cost is reduced. The volume is minimized to be used in various mini wireless mobile communication devices. No interference occurs even that the first and the second antennas are close due to good isolation.

ANTENNA ASSEMBLY WITH SHIELDING STRUCTURE

The present invention relates to an antenna assembly () comprising: a plurality of transmit antennas, at least one receive antenna (), at least one shielding structure (), and at least one frame (), wherein the at least one frame is configured for: setting a pointing direction of a first transmit antenna () such that a first transmit minimum () of the first receive antenna () points towards a first zone (), and setting a pointing direction of a second transmit antenna () such that a second transmit minimum () of the second antenna () points towards a second zone (), whereby coupling of radiation from the plurality of transmit antennas to the receive antenna () is reduced. 122-. (canceled)24. Antenna assembly according to claim 23 , wherein:the first zone is at an outline of a first contour of the at least one shielding structure as defined from the position of the first transmit antenna; andthe second zone is at an outline of a second contour of the at least one shielding structure as defined from the position of the second transmit antenna.25. Antenna assembly according to claim 23 , wherein:the antenna assembly is configured for setting the pointing direction of the first transmit antenna such that the first transmit minimum points along a first diffraction path, the first diffraction path being about the at least one shielding structure towards the at least one receive antenna;the antenna assembly is configured for setting the pointing direction of the second transmit antenna such that the second transmit minimum points along a second diffraction path, the second diffraction path being about the at least one shielding structure towards the at least one receive antenna;the first diffraction path is shorter than any immediately adjacent path from the first transmit antenna about the at least one shielding structure and towards the at least one receive antenna; andthe second diffraction path is shorter than any immediately adjacent path from the second transmit ...

Antenna and communications device

Embodiments of the present invention provide an antenna and a communications device, and relate to the field of wireless communications technologies. The antenna includes at least one receive antenna unit, at least one transmit antenna unit, a transmit and receive antenna unit connected to a three-port component having a circulator characteristic, a signal output port, and a signal input port, where each receive antenna unit and a receiver port of the three-port component are both connected to the signal output port by using a power combiner, and the signal output port is configured to connect to a receiver; and each transmit antenna unit and a transmitter port of the three-port component are both connected to the signal input port by using a power divider, and the signal input port is configured to connect to a transmitter.

Antenna Mount

Various embodiments are described that relate to an antenna mount. Multiple antennas can be mounted on the antenna mount. These antennas can work together or be independent of one another. In an example of working together, one antenna can be a transmission antenna while the second antenna can be a reception antenna. The transmission antenna and reception antenna can function with regard to the same communication signal. 1. A housing , comprising:a first antenna retention portion configured to retain a first antenna at a first position; anda second antenna retention portion configured to retain a second antenna at a second position,where the first position and the second position cause the first antenna and the second antenna to function without interfering with one another andwhere the first position causes communication of the first antenna to be non-physically influenced by the housing.2. The housing of claim 1 , comprising:a plate configured to separate the first antenna retention portion and the second antenna retention portion such that coupling between the first antenna and the second antenna is avoided.3. The housing of claim 2 ,where the first antenna retention portion and the plate are configured relative to one another such that the first antenna can be configured to not interfere with itself while retained.4. The housing of claim 1 , where the first antenna and the second antenna function independently at different frequencies.5. The housing of claim 1 ,where, while retained in the first antenna retention portion, the first antenna can be independently moved vertically andwhere, while retained in the second antenna retention portion, the second antenna can be independently moved vertically.6. The housing of claim 1 ,where, while retained in the first antenna retention portion, the first antenna can be independently moved horizontally andwhere, while retained in the second antenna retention portion, the second antenna can be independently moved ...

ANTENNA STRUCTURE FOR DISTRIBUTED ANTENNA SYSTEM

One embodiment discloses an antenna structure. An antenna structure comprises: a transmit antenna element comprising a plurality of transmit antenna sub-elements; a receive antenna element comprising a plurality of receive antenna sub-elements, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other; a ground plane defining a reflector for the antenna structure; at least one electronic component coupled with the ground plane, the at least one electronic component comprising: a transmit balanced to unbalanced (BALUN) circuit configured to split a transmit signal from a transmitter into two balanced transmit signals, wherein the plurality of transmit antenna sub-elements are coupled to the transmit BALUN; and a receive BALUN circuit configured to combine feeds from the plurality of receive antenna sub-elements into a receive single output to a receiver. 1. An antenna structure comprising:a transmit antenna element comprising a plurality of transmit antenna sub-elements;a receive antenna element comprising a plurality of receive antenna sub-elements, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other;a ground plane defining a reflector for the antenna structure; a transmit balanced to unbalanced (BALUN) circuit configured to split a transmit signal from a transmitter into two balanced transmit signals, wherein the plurality of transmit antenna sub-elements are coupled to the transmit BALUN; and', 'a receive BALUN circuit configured to combine feeds from the plurality of receive antenna sub-elements into a receive single output to a receiver., 'at least one electronic component coupled with the ground plane, the at least one electronic component comprising2. The antenna structure of claim 1 , wherein the ground plane is disposed on a printed circuit board assembly.3. The antenna structure of claim 1 , wherein the plurality of ...

Dual polarized dual band full duplex capable horn feed antenna

A dual band horn feed antenna system having a single combined antenna having a plurality of sub apertures in a collocated environment. The sub apertures are individually coupled to a Tx/Rx and dual polarized capable high band circular waveguide realizing a two band realization with separate Tx and Rx channels. The OMT is realized by a plurality of phase and amplitude balanced signals oriented in such a way as to create balanced & symmetric E and H fields within the coaxial guide. A radiating structure is provided to minimize cross coupling of individual bands. An OMT integrated with a coaxial waveguide base structure where the frequency ratio of the center to outer waveguide structures is within the range on excess of 3:1 or more and thereby enabling adjacent frequency band maximized operation. Adjacent frequency bands will typically require center conductor tubes in a coaxial arrangement to be about 2:1 and certainly less than 3:1 in many cases. Integrated filters on Tx and Rx ports are provided to maximize isolation. A mechanical interface structure allowing the physical freedom necessary for polarization match to incoming signals of arbitrary angle.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. An interrogator device , comprising:a substrate;a semiconductor die mounted on the first substrate;a transmit antenna on the substrate and shaped to convert a first electric signal to a first radio-frequency (RF) signal for transmission to a target device, the first RF signal having a first center frequency;a receive antenna on the substrate and shaped to convert a second RF signal transmitted from the target device to a second electric signal, the second RF signal having a second center frequency different from the first center frequency; and provide the first electric signal to the transmit antenna and to receive the second electric signal from the receive antenna, and', 'generate a third electrical signal indicative of a distance between the interrogator device and the target device based on the first and second electric signals., 'circuitry integrated with the semiconductor die and configured to2. The device of claim 1 , wherein the second center frequency is a harmonic of the first center ...

ANTENNA SYSTEM FOR RECEIVING AND TRANSMITTING WIRELESS SIGNALS

An antenna system includes N integrated passive components (IPCs). A first end of each IPC of the N IPCs is directly configured to couple to an antenna for receiving signals of a band corresponding to the IPC and filtering signals of bands corresponding to other IPCs of the N IPCs. The antenna system can prevent signals of various bands from interfering with each other, reduces parasitic capacitance effect, and further improves nonlinear distortion. 1. An antenna system for receiving and transmitting wireless signals , comprising: a choker for choking the other band wireless signals; and', 'an impedance inverter coupled to the choker having an electrical length corresponding to ¼ wavelength of the predetermined band wireless signal; and, 'N integrated passive components (IPCs), wherein each IPC of the N IPCs is configured to couple to an antenna for receiving a predetermined band wireless signal corresponding to the each IPC from the antenna and filtering other band wireless signals corresponding to other IPCs of the N IPCs, wherein the each IPC comprises{'sup': th', 'th, 'N bypass switches, wherein an Nbypass switch is coupled to an NIPC of the N IPCs correspondingly;'}wherein N is an integer greater than 1.2. The antenna system of claim 1 , further comprising:a transmitting switch configured to couple to the antenna.3. The antenna system of claim 1 , wherein the choker is coupled between the impedance inverter and the antenna claim 1 , a corresponding bypass switch of the N bypass switches is coupled between an output terminal of the impedance inverter and a reference potential claim 1 , and when the antenna receives the predetermined band wireless signal claim 1 , the corresponding bypass switch is turned off.4. The antenna system of claim 3 , wherein the choker comprises:a first inductor coupled between the impedance inverter and the antenna; anda first capacitor connected to the first inductor in parallel.5. The antenna system of claim 4 , wherein the impedance ...

FLEXIBLE DISTRIBUTED ANTENNA SYSTEM USING A WIDEBAND ANTENNA DEVICE

A distributed antenna system (DAS) includes a wideband antenna device having respective transmit and receive antennas disposed in a single package and arranged to provide mutual isolation so that in use noise from the transmit antenna is isolated from the receive antenna, whereby reception is possible at the same frequency as transmission. 1. A method for facilitating communication between a plurality of external networks and a plurality of user devices , the method comprising:receiving, by a hub of a distributed antenna system (DAS), a plurality of external network transmission signals representing a plurality of communication services from the plurality of external networks, wherein a first communication service of the plurality of communication services includes a first external network transmission signal of the plurality of external network transmission signals having a first frequency and a second communication service of the plurality of communication services includes a second external network transmission signal of the plurality of external network transmission signals having a second frequency, and wherein the first frequency and the second frequency are at least one GHz apart;generating, by the hub, a first optical transmission signal based on the first external network transmission signal and a second optical transmission signal based on the second external network transmission signal;transmitting, by the hub, the first optical transmission signal and the second optical transmission signal via a transmission path;receiving, by at least one remote unit of the DAS, the first optical transmission signal and the second optical transmission signal from the transmission path;converting, by the at least one remote unit, the first optical transmission signal into a first electrical transmission signal and the second optical transmission signal into a second electrical transmission signal;transmitting, by the at least one remote unit, the first electrical ...

Radar Apparatus

There is provided a radar apparatus comprising: a substrate; multiple antenna elements mounted on the substrate; and a signal-coupling suppressor disposed between the multiple antenna elements.

DYNAMIC PHASED ARRAY TAPERING WITHOUT PHASE RECALIBRATION

Methods and systems for phased array tapering include setting a gain at a phase-invariant variable gain amplifier in each of a set of front-ends of a phased array transceiver, to perform tapering of beam pattern side lobes. Setting the gain includes setting a first gain at a first stage of the phase-invariant variable gain amplifier and setting a second gain at a second stage of the phase-invariant variable gain amplifier. A dependency of a phase shift of the first stage on the gain of the first stage is equal to and opposite a dependency of a phase shift of the second stage on the gain of the second stage. 1. A method for phased array tapering , comprising: setting a first gain at a first stage of the phase-invariant variable gain amplifier; and', 'setting a second gain at a second stage of the phase-invariant variable gain amplifier, wherein a dependency of a phase shift of the first stage on the gain of the first stage is equal to and opposite a dependency of a phase shift of the second stage on the gain of the second stage., 'setting a gain at a phase-invariant variable gain amplifier in each of a plurality of front-ends of a phased array transceiver, to perform tapering of beam pattern side lobes, by2. The method of claim 1 , wherein setting the gain at each phase-invariant variable gain amplifier comprises setting a direct-current collector current.3. The method of claim 1 , further comprising setting a pre-determined relationship between gain and phase shift by controlling the resistance.4. The method of claim 1 , wherein a resistance in the phase-invariant variable gain amplifier is set to provide a phase shift that is independent of gain.5. A system to control a phased array claim 1 , comprising:a gain control module configured to set a gain at the phase-invariant variable gain amplifier in each of a plurality of front-ends of a phased array transceiver to perform tapering of beam pattern side lobes by setting a first gain at a first stage of the phase- ...

AIRCRAFT COMPRISING A MULTIPLICITY OF ANTENNA ARRANGEMENTS

An aircraft comprising a skin, a multiplicity of antenna arrangements, each of which is arranged in a different region of a corresponding multiplicity of mutually spaced regions of the skin and comprises an antenna element that is arranged and configured to emit radio waves into a surrounding area of the aircraft, and a multiplicity of visual indicators, each of which is assigned to a different antenna arrangement of the antenna arrangements. Each of the visual indicators is arranged on the skin or on the antenna arrangement in the region of the skin in which the assigned antenna arrangement is situated in such a manner that it is visible from outside the aircraft and emits light during operation in an on state. 1. An aircraft comprising:a skin;a multiplicity of antenna arrangements, each of which is arranged in a different region of a corresponding multiplicity of mutually spaced regions of the skin and comprises an antenna element that is arranged and configured to emit radio waves into a surrounding area of the aircraft; anda multiplicity of visual indicators, each of which is assigned to a different antenna arrangement of the antenna arrangements,wherein each of the visual indicators is arranged on the skin or on the antenna arrangement in a region of the skin in which the assigned antenna arrangement is situated in such a manner that the visual indicator is visible from outside the aircraft and emits light during operation in an on state.2. The aircraft as claimed in claim 1 , in which for each of the antenna arrangements claim 1 , the visual indicator assigned thereto is arranged such that when viewed perpendicularly from above from a surrounding area onto the region of the skin in which the antenna arrangement is situated claim 1 , the visual indicator at least one of at least partially surrounds the antenna element of said antenna arrangement or is arranged claim 1 , at least in part claim 1 , above the antenna element.3. The aircraft as claimed in claim 2 , ...

LOW LOSS ANTENNA SWITCH

The present invention relates to a low loss antenna switch. The antenna switch comprises a plurality of switch module and a plurality of transmitting/receiving terminals, wherein one end of each switch module is connected to an antenna unit and the other end of each switch module is connected to each transmitting and receiving end respectively. Further, each switch module comprises a plurality of switch units in series, wherein the width of at least one switch unit is smaller than other switch units of each switch module. Thus, the parasitic capacitance of the off-stage switch modules can be reduced, and VSWR (Voltage Standing Wave Ratio) of the antenna switch also can be improved. 1. A low loss antenna switch , comprising:a plurality of transmitting/receiving terminals; anda plurality of switch modules, each said switch module comprising two ends, one end of each said switch module connected to an antenna unit, and the other end of each said switch module respectively connected to each said transmitting/receiving terminal, wherein each said switch module comprises a plurality of switch units connected in series, and each switch unit comprises a width, wherein said width of at least one said switch unit is smaller than said width of other switch units.2. The low loss antenna switch according to claim 1 , wherein said width of said switch unit closest to said antenna unit is smaller than said width of other switch units of said switch module.3. The low loss antenna switch according to claim 1 , wherein said width of said two switch units closest to said antenna unit is smaller than said width of other switch units of said switch module.4. The low loss antenna switch according to claim 1 , wherein said width of said switch units of each said switch module reduces from said transmitting/receiving terminal to said antenna unit.5. The low loss antenna switch according to claim 1 , further comprising a plurality of ground switch modules connected to a ground terminal and ...

Composite Antenna and Method of Producing the Same

A composite antenna includes: a coil element which is formed into a spiral shape, and which has a trap coil portion in a base end portion; a tubular conductive element which is electrically series-connected to a base end of the coil element; and a connection metal fitting which is electrically connected to a base end of the conductive element. A series connection of the coil element and the tubular conductive element operates in a first frequency band, and the tubular conductive element alone operates in a second frequency band which is higher than the first frequency band. 1. A composite antenna comprising:a coil element which is formed into a spiral shape, and which has a trap coil portion in a base end portion;a tubular conductive element which is electrically series-connected to a base end of the coil element; anda connection metal fitting which is electrically connected to a base end of the conductive element, whereina series connection of the coil element and the tubular conductive element operates in a first frequency band, andthe tubular conductive element alone operates in a second frequency band which is higher than the first frequency band.2. The composite antenna according to claim 1 , further comprising an insulative core member which is placed inside the conductive element claim 1 , and which has a spiral groove in a tip end side that projects from the conductive element claim 1 , whereinthe trap coil portion is engaged with the spiral groove to hold a pitch of the trap coil portion constant.3. The composite antenna according to claim 1 , further comprising: an inner resin molded portion which holds the coil element and the conductive element; and an outer resin molded portion which is softer than the inner resin molded portion claim 1 , and which covers an outside of the inner resin molded portion.4. The composite antenna according to claim 3 , wherein a hole portion which passes through a tip end portion of the outer resin molded portion to reach a ...

Coupling reduction method for antennas in package

A Radio Frequency (RF) device may include a plurality of antennas and one or more conductive traces configured to trap a portion of energy transmitted from at least one of the plurality of antennas. The one or more conductive traces are sized and positioned such that undesired coupling between the plurality of antennas may be suppressed while maintaining performance parameters of at least one of the plurality of antennas. The plurality of antennas and the one or more conductive traces may be formed using a redistribution layer coupled to a chip embedded in a molding layer.

Wideband Ground Penetrating Radar System and Method

An improved Ground Penetrating Radar (GPR) system is provided. The system advantageously employs full waveform digitization of a returning signal to significantly reduce the number of launch signals and allowing the amount of radiation emitted to stay within the limit set by the Federal Communications Commission (FCC), while producing a robust information detection signal. In addition, intermittent large latent-duty-cycle sampling employs a less expensive digitizer typically used in prior an GPRs. The system is scalable at low-cost to accommodate multi-antenna multi-static testing for subsurface tomographic imaging. 1. An impulse ground penetrating radar (GPR) system , the GPR system comprising:a transmitter antenna for transmitting radar signal pulses;a pulser for pulsing the transmitter;a receiver antenna for receiving the reflected transmitted signal pulses;a sampling receiver for digitally sampling the reflected signal pulse; anda signal generator for synchronizing the pulser and the sampling receiver.2. The system as in further comprising a computing device connectable to the sampling receiver.3. The system as in wherein the transmitter antenna and the receiver antenna comprise a pair of Good Impedance Match Antennas (GIMA).4. The system as in further comprising a wheel encoder claim 1 , wherein the wheel encoder triggers pulsing and receiving cycles.5. The system as in wherein the sampling receiver comprises an intermittent sampler.6. The system as in wherein the intermittent sampler comprises a six channel sampling receiver.7. The system as in wherein the six channel sampling receiver comprises a substantially 15 Giga Samples per Second (GSPS) sampling receiver.8. The system as in wherein the sampling receiver comprises a continuous sampler.9. The system as in wherein the sampling receiver comprises a one channel sampling receiver.10. The system as in wherein the one channel sampling receiver comprises a substantially 8 Giga Samples per Second (GSPS) sampling ...

DEVICES AND METHODS FOR REDUCING INTERFERENCE BETWEEN CLOSELY COLLOCATED ANTENNAS

Devices and methods for reducing interference between closely collocated antennas working at the same or adjacent frequencies are disclosed. According to one embodiment, the antenna array comprises a plurality of antennas for transmitting signals from and receiving signals to a plurality of transceivers respectively, and the device comprises a plurality of resonators; a first set of ports, each of which is connected to a respective one of the plurality of transceivers; and a second set of ports, each of which is connected to a respective one of the plurality of antennas; wherein each of the transceivers and the antennas is connected to a respective one of the resonators, and coupling coefficients among the resonators as well as a resonance frequency of each of the resonators are configured so that a desired isolation among the first set of ports and a desired matching at each of the first set of ports are obtained. 1. A device for reducing interference between antennas in a compact antenna array , the antenna array comprising a plurality of antennas for transmitting signals from and receiving signals to a plurality of transceivers respectively , the device comprising:a plurality of resonators;a first set of ports, each of which is connected to a respective one of the plurality of transceivers; anda second set of ports, each of which is connected to a respective one of the plurality of antennas;wherein each of the transceivers and the antennas is connected to a respective one of the resonators, and coupling coefficients among the resonators as well as a resonance frequency of each of the resonators are configured so that a desired isolation among the first set of ports and a desired matching at each of the first set of ports are obtained.2. A device according to claim 1 , wherein the antenna array comprises a first antenna and a second antenna for transmitting signals from and receiving signals to a first transceiver and a second transceiver respectively claim 1 , ...

SKEWED MIMO ANTENNA ARRAY FOR USE IN AUTOMOTIVE IMAGING RADAR

A novel and useful system and method of constructing a skewed or staggered multiple input multiple output (MIMO) antenna array system for automotive radar having high azimuth and elevation angular resolution and accuracy that provides increased effective aperture while using a low number of TX and RX elements. Improved element separation is achieved by distancing (i.e. staggering or skewing) RX rows and TX columns by using row and column circular shifts along their major axis. Due to the physical size of antenna elements, it is not physically possible to place the rows and columns in the full array symmetric RX-TX pattern without creating a gap in the center of the virtual array. This array reduces the overall size of the antenna achieving a compact size and low side lobe level (SLL). In addition, to minimize the resulting RX saturation of elements physically close to TX elements, the system blanks (i.e. zeros) the data for those elements. The rows of the transmit columns may also be staggered, either symmetrically or asymmetrically depending on the skewing factor. 1. A multiple input , multiple output (MIMO) antenna frame array for use in a radar system , comprising:a first plurality of elements arranged in a first column and a second column, said second column spaced a first distance from said first column;a second plurality of elements arranged in a first row and a second row, said second row spaced a second distance from said first row;wherein said first column and second column are skewed vertically along their major axes in accordance with a first skew factor; andwherein said first row and said second row are skewed horizontally along their major axes in accordance with a second skew factor.2. The MIMO antenna frame array according to claim 1 , wherein said first plurality of elements comprise a plurality of transmit elements and said first skew factor comprises a transmit skew factor distance D.3. The MIMO antenna frame array according to claim 1 , wherein ...

Electromagnetic wave propagation disruption device and method for producing same

An electromagnetic wave propagation disruption device with a metamaterial structure including: a plurality of conductive elements arranged on a top face of a substrate; a plurality of interconnection networks electrically interconnecting at least some of these conductive elements, wherein these networks are not electrically connected to each other. At least two of these networks are dimensioned differently to each other, thus involving that distances between interconnected conductive elements are different from one network to another, to generate phase shifts, between the conductive elements interconnected thereby, different from one network to the other. A ground plane with holes is arranged on a bottom face of the substrate and metallic vias are formed in the substrate, each of them including an upper end in contact with a conductive elements and a lower end arranged facing one of the holes of the ground plane, with no electrical contact with the ground plane.

TERAHERTZ TRANSCEIVERS

A terahertz transceiver, comprising at least a first and a second antenna, wherein the first and/or the second antenna is a dipole antenna comprising a dipole section, wherein the dipole section has a gap through which light can be radiated onto the photoconductive material, and wherein a first ending of the dipole section is connected to a first feedline and a second ending of the dipole section is connected to a second feedline, the feedlines (extending with an angle to the dipole section. The first and/or the second antenna has an asymmetric design, wherein a first section of at least one of the feedlines extending on one side of the dipole section is longer than a second section of the at least one feedline extending on the other side of the dipole section and/or at least one of the feedlines extends on one side of the dipole section, only. 1. A terahertz transceiver , comprising: the first and/or the second antenna is a dipole antenna comprising a dipole section,', 'the dipole section has a gap through which light can be radiated onto a photoconductive material,', 'a first ending of the dipole section is connected to a first feedline and a second ending of the dipole section is connected to a second feedline, the feedlines extending with an angle to the dipole section, and', 'the first and/or the second antenna has an asymmetric design, wherein a first section of at least one of the feedlines extending on one side of the dipole section is longer than a second section of the at least one feedline extending on the other side of the dipole section and/or at least one of the feedlines extends on one side of the dipole section, only., 'at least a first and a second antenna, wherein2. The terahertz transceiver as claimed in claim 1 , wherein the length of the first section is at least twice claim 1 , at least three times or at least five times the length of the second section of the at least one feedline.3. The terahertz transceiver as claimed in claim 1 , wherein ...

Surface Mount Dielectric Antennas for Wireless Power Transmitters

A wireless power transmission antenna includes a printed circuit board (PCB) with a first transmission line that conducts a first power transmission signal. A dielectric resonator that is mechanically coupled to the PCB is configured to radiate the first power transmission signal. A first feed element that is electronically coupled to the first transmission line and to the dielectric resonator is configured to receive the power transmission signal via the first transmission line and excite the dielectric resonator with the first power transmission signal. 1. A wireless power transmission antenna comprising:a printed circuit board (PCB) including a first transmission line that conducts a first power transmission signal; mechanically coupled to the PCB, and', 'configured to radiate the first power transmission signal; and, 'a dielectric resonator that is electronically coupled to the first transmission line and to the dielectric resonator, and', 'configured to (i) receive the power transmission signal via the first transmission line and (ii) excite the dielectric resonator with the first power transmission signal., 'a first feed element that is2. The wireless power transmission antenna of claim 1 , wherein the first feed element is a dipole element.3. The wireless power transmission antenna of claim 2 , wherein:the mechanical coupling of the dielectric resonator to the PCB includes a mounting platform that is coupled to the dielectric resonator and to the PCB; andthe mounting platform isolates at least a portion of the dipole element from the PCB.4. The wireless power transmission antenna of claim 2 , wherein at least a portion of the dipole element includes a meandering line feature that increases the effective length of the dipole element.5. The wireless power transmission antenna of claim 2 , wherein the PCB includes a plurality of vias that pass through the PCB.6. The wireless power transmission antenna of claim 5 , wherein the plurality of vias at least partially ...

Antenna-on-package integrated circuit device

An integrated circuit package is provided. In some examples, the integrated circuit package is an antenna-on-package package that includes an integrated circuit die and an antenna substrate coupled to the integrated circuit die. The antenna substrate includes a conductor layer and a first dielectric layer disposed between the conductor layer and the integrated circuit die. The conductor layer includes antennas electrically coupled to the integrated circuit die. The integrated circuit package further includes an I/O substrate coupled to the integrated circuit die opposite the antenna substrate. In some such examples, the I/O substrate includes interconnect connectors and a second dielectric layer disposed between the interconnect connectors and the integrated circuit die. In some such examples, the integrated circuit package includes interconnect connectors extending between the antenna substrate and the I/O substrate.

ANTENNA SYSTEM AND WIRELESS DEVICE

This application provides an antenna system and a wireless device, and pertains to the field of communications technologies. In this application, a decoupling resonator is connected to a first antenna, and a resonance frequency of the decoupling resonator is within an operating frequency band of a second antenna, so that the decoupling resonator can resonate within the operating frequency band of the second antenna. The decoupling resonator reduces coupling between the first antenna and the second antenna, and isolation between the first antenna and the second antenna is improved. 1. An antenna system , comprisinga first antenna; anda second antenna, wherein the first antenna and the second antenna are vertically stacked, wherein the first antenna and the second antenna have different polarization directions, wherein the first antenna is connected to a decoupling resonator, and wherein a resonance frequency of the decoupling resonator is within an operating frequency band of the second antenna, to reduce a coupling between the first antenna and the second antenna.2. The antenna system according to claim 1 , wherein the polarization directions of the first antenna and the second antenna are orthogonal.3. The antenna system according to claim 1 , wherein the decoupling resonator is connected to a feedpoint of the first antenna.4. The antenna system according to claim 1 , wherein the decoupling resonator includes a stepped impedance resonator.5. The antenna system according to claim 4 , wherein the first antenna comprises at least one of a dipole antenna or a loop antenna claim 4 , wherein the first antenna comprises an arm claim 4 , and wherein a longitudinal width of the stepped impedance resonator is greater than a width of the arm of the first antenna.6. The antenna system according to claim 4 , wherein a transverse length of the stepped impedance resonator is 0.1 to 0.4 times an operating wavelength of the first antenna or the second antenna.7. The antenna system ...

Broadband distributed antenna system with non-duplexer isolator sub-system

Certain aspects and aspects of the present invention are directed to a distributed antenna system having a downlink communication path, an uplink communication path, and a non-duplexer isolator sub-system. The downlink communication path can communicatively couple a transmit antenna to a base station. The uplink communication path can communicatively couple a receive antenna to the base station. In one aspect, the non-duplexer isolator sub-system can be electronically configured for isolating uplink signals traversing the uplink communication path from downlink signals. In another aspect, a non-duplexer isolator sub-system can be configurable in one or more mechanical steps selecting a frequency response. In another aspect, a non-duplexer isolator sub-system can include an active mitigation sub-system.

ANTENNA CARD FOR CONTROLLING AND TUNING ANTENNA ISOLATION TO SUPPORT CARRIER AGGREGATION

An apparatus and method to provide isolation between a first antenna and a second antenna, each of which is located on a ground plane. A slot that is tunable by a variable reactance is located on the ground plane, the slot not being appreciably resonant at the operating frequency of the first antenna and the second antenna. The antennas operate in an orthogonal mode. Varying the slot reactance varies the electrical distance over which the coupling current between the two antennas flows. Increased RF isolation to a desired magnitude results by maintaining the orthogonality at desired bands. The RF isolation can be measured and a departure from the desired magnitude of isolation causes the reactance to be varied to increase the RF isolation back to the desired magnitude. The antennas and the slot are placed at locations on the ground plane of high current density. 1. An antenna device comprising:a first antenna on a ground plane;a second antenna on the ground plane; andat least one slot in the ground plane, the at least one slot located between and separated from the first antenna and the second antenna, wherein the at least one slot provides a radio frequency isolation between the first antenna and the second antenna via a path of variable electrical length that provides a coupling current between the first antenna and the second antenna.2. The antenna device of further comprising a variable reactance across the at least one slot claim 1 , wherein the variable reactance is configured to tune the at least one slot to vary the electrical length of the path of the coupling current between the first antenna and the second antenna claim 1 , wherein the variable reactance comprises a variable capacitance or a variable inductance.3. The antenna device of further comprising a variable reactance across the at least one slot claim 1 , the variable reactance configured to tune the at least one slot to vary the electrical length of the path of the coupling current between the ...

ANTENNA ISOLATION

A wireless radio communication device includes a printed circuit board, a plurality of antennas formed on the printed circuit board, and one or more out-of-plane isolation elements conductively coupled to a ground plane of the printed circuit board. Each antenna extends in a reference plane or in a plane parallel to the reference plane. Each out-of-plane isolation element extends in a direction transverse to the reference plane. Each antenna of the plurality of antennas is configured to resonate in a selected radio frequency (RF) band. The one or more out-of-plane isolation elements are configured to conduct a current in response to excitation of one or more associated antennas that contributes to at least partially cancelling an RF transmission coupling between the one or more antennas and one or more other antennas of the plurality of antennas. 1. A wireless radio communication device comprising:a printed circuit board;a plurality of antennas coupled to the printed circuit board, each antenna configured to resonate in a selected radio frequency (RF) band, and each antenna extending in a reference plane or in a plane parallel to the reference plane; andone or more out-of-plane isolation elements conductively coupled to a ground plane of the printed circuit board and extending in a direction transverse to the reference plane, the one or more out-of-plane isolation elements being configured to conduct a current in response to excitation of one or more antennas that contributes to at least partially cancelling an RF transmission coupling between the one or more antennas and one or more other antennas of the plurality of antennas.2. The wireless radio communication device of claim 1 , further comprising:one or more in-plane isolation elements coupled to the printed circuit board and extending in a plane parallel to the reference plane, the one or more in-plane isolation elements being configured to conduct a current in response to excitation of the one or more ...

Antenna System

The present invention relates to the communications field, and in particular, to an antenna system. The antenna system includes: a transmit antenna, a receive antenna, a radome above the transmit antenna and the receive antenna, and a reflector within the radome, where a signal received by the receive antenna after a transmitted signal of the transmit antenna is reflected by the reflector offsets an intra-frequency interference signal generated because the transmitted signal of the transmit antenna is directly received by the receive antenna. As a result, according to the embodiments of the present invention, the intra-frequency interference signal of the transmit antenna to the receive antenna may be eliminated without increasing the number of antennas and a distance between antennas. 1. An antenna system , comprising:a transmit antenna;a receive antenna;a radome above the transmit antenna and the receive antenna; anda reflector within the radome, wherein a signal received by the receive antenna after a transmitted signal of the transmit antenna is reflected by the reflector offsets an intra-frequency interference signal of the transmit antenna on the receive antenna.2. The antenna system according to claim 1 , wherein an amplitude of the signal received by the receive antenna after the transmitted signal of the transmit antenna is reflected by the reflector equals an amplitude of the intra-frequency interference signal claim 1 , and a phase difference between the two signals is (2n+1)π claim 1 , where n is an integer.4. The antenna system according to claim 2 , wherein the amplitude of the signal received by the receive antenna after the transmitted signal of the transmit antenna is reflected by the reflector is determined by the relation:{'br': None, 'sup': T', 'T', 'T', 'R', 'R', 'R, 'sub': 1', '1', '1', '2', '1', '1, 'G(θ, φ, ƒ)·PL(ƒ, l)·|Γ|·PL(ƒ, l)·G(θ, φ, ƒ)'} {'br': None, 'sup': T', 'T', 'T', 'R', 'R', 'R, 'sub': 2', '2', '2', '2, 'G(θ, φ, ƒ)·PL(ƒ, D)·G(θ, ...

INTEGRATED DIGITAL ACTIVE PHASED ARRAY ANTENNA AND WINGTIP COLLISION AVOIDANCE SYSTEM

A radar system to detect and track objects in three dimensions. The radar system including antennae, transmit, receive and processing electronics is all in a small, lightweight, low-cost, highly integrated package. The radar system uses a wide azimuth, narrow elevation radar pattern to detect objects and a Wi-Fi radio to communicate to one or more receiving and display units. One application may include mounting the radar system in an existing radome on an aircraft to detect and avoid objects during ground operations. Objects may include other moving aircraft, ground vehicles, buildings or other structures that may be in the area. The system may transmit information to both pilot and ground crew. 1: (canceled)2: An integrated radar antenna , the integrated radar antenna comprising a multi-layer circuit board , the multi-layer circuit board comprising:a radar transmit antenna;a radar receive antenna; are on a layer of the multi-layer circuit board different from the radar transmit antenna and the radar receive antenna, and', 'in conjunction with the radar transmit antenna, are configured to output radar signals comprising a fixed transmitted radar pattern;, 'radar transmitter electronics in signal communication with the radar transmit antenna, wherein the radar transmitter electronics wherein the radar receiver electronics include digital beam forming circuitry configured to receive from the radar receive antenna radar reflections corresponding to the outputted radar signals;', 'wherein the radar receiver electronics are configured to convert the received radar reflections to an ultrasonic frequency range and to perform signal processing on the converted, received radar reflections in the ultrasonic frequency range; and, 'radar receiver electronics in signal communication with the slotted waveguide radar receive antenna,'}one or more processors configured to generate a notification of target detection information based on the radar reflections.3: The integrated radar ...

Wideband microstrip antennas and antenna arrays

There is provided a wideband patch antenna and an antenna array. The antenna includes a dielectric substrate of a rectangle shape, a radiation patch formed on a top surface of the dielectric substrate, a coupling patch formed on the top surface of the dielectric substrate and extending from a side of the dielectric substrate to a position from the radiation patch by a distance, a metal support arranged on the lower surface of the dielectric substrate and extending from the edge of the lower surface of the dielectric substrate downward to the ground, a layer of air having a predetermined thickness being formed between the lower surface of the dielectric substrate and the ground. According to the embodiments, it is possible to improve the directivity of the wideband microstrip antenna while maintaining its small size.

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device comprising:a substrate;a semiconductor die mounted on the substrate;a transmit antenna fabricated on the substrate and configured to transmit, to a target device different from the device, first radio-frequency (RF) signals;a receive antenna fabricated on the substrate and configured to receive, from the target device, second RF signals;circuitry integrated with the semiconductor die and comprising a frequency divider and a mixer, wherein the frequency divider has an input coupled to the receive antenna and an output, and wherein the mixer has an input and an output, the input of the mixer being coupled to the output of the frequency divider; andat least one processor configured to receive data obtained using the output of the mixer and to determine a distance between the device and the target device using the data.2. The device of claim 1 , wherein the input of the mixer is a first input of the mixer claim 1 , and the mixer has a second input coupled to a waveform generator.3. The device of claim 1 , wherein the device is a packaged device comprising:first level connections formed by flip-chip bonding the semiconductor die to the substrate;second level connections configured to connect the packaged device to a printed circuit board; anda protective encapsulation for at least the semiconductor die.4. The device of claim 1 , wherein the first RF signals are circularly polarized in a first rotational direction claim ...

Flexible Distributed Antenna System Using a Wideband Antenna Device

A distributed antenna system (DAS) includes a wideband antenna device having respective transmit and receive antennas disposed in a single package and arranged to provide mutual isolation so that in use noise from the transmit antenna is isolated from the receive antenna, whereby reception is possible at the same frequency as transmission. 1. (canceled)2. A distributed antenna system comprising:a hub;at least one remote unit communicatively coupled to the hub by a transmission path and a reception path;the hub configured to receive a plurality of first signals and to transfer the first signals without frequency conversion to the at least one remote unit via the transmission path;the at least one remote unit configured to receive a plurality of second signals and to transfer the second signals without frequency conversion to the hub via the reception path; andwherein the transmission path and the reception path permit the transfer of the plurality of first signals and the plurality of second signals within a band between about 130 MHz and about 2.7 GHz.3. The distributed antenna system of claim 2 , wherein two first signals of the plurality of first signals have frequencies at least 100 MHz apart.4. The distributed antenna system of claim 2 , further comprising at least one optical fiber connected between the hub and the at least one remote unit claim 2 , the at least one optical fiber includes the transmission path and the reception path.5. The distributed antenna system of claim 2 , wherein the plurality of first signals are transferred claim 2 , without filtering claim 2 , to the at least one remote unit via the transmission path and the plurality of second signals are transferred claim 2 , without filtering claim 2 , to the hub via the reception path.6. The distributed antenna system of claim 2 , wherein the plurality of first signals transferred on the transmission path are optical signals and the plurality of second signals transferred on the reception path are ...

METHOD FOR ELIMINATING PASSIVE INTER-MODULATION DISTORTION AND ANTENNA APPARATUS USING THE SAME

Disclosed herein are a method for eliminating passive intermodulation distortion (PIMD) and an antenna apparatus using the same. According to an embodiment, the antenna apparatus incudes a main antenna used for transmission and reception of an RF signal; an auxiliary antenna used for reception of an RF signal; and a passive intermodulation distortion (PIMD) eliminator configured to calculate PIMD contained in a received signal of the main antenna using a received signal of the auxiliary antenna, and to eliminate the calculated PIMD from the received signal of the main antenna. 1. An antenna apparatus connected to a base station to transmit and receive a radio frequency (RF) signal , the antenna apparatus comprising:a main antenna used for transmission and reception of an RF signal;an auxiliary antenna used for reception of an RF signal; anda passive intermodulation distortion (PIMD) eliminator configured to calculate PIMD contained in a received signal of the main antenna using a received signal of the auxiliary antenna, and to eliminate the calculated PIMD from the received signal of the main antenna.2. The antenna apparatus of claim 1 , wherein the PIMD eliminator operates in an RF frequency domain.3. The antenna apparatus of claim 2 , wherein the PIMD eliminator comprises:a first RF coupler arranged at a front end of the main antenna to capture the received signal of the main antenna;a PIMD calculator configured to calculate the PIMD contained in the received signal of the main antenna using the received signal of the auxiliary antenna and to output a PIMD of an opposite phase; anda second RF coupler configured to insert the PIMD of the opposite phase into the received signal of the main antenna.4. The antenna apparatus of claim 1 , wherein the PIMD eliminator is supplied with a direct current (DC) power signal separated from an antenna port connected to the base station and uses the supplied DC power signal as operating power.5. The antenna apparatus of claim 1 ...

ANTENNA-IN-PACKAGE WITH BETTER ANTENNA PERFORMANCE

An Antenna-in-Package (AiP) includes an interface layer having at least an antenna layer and an insulating layer disposed under the antenna layer. The antenna layer includes a first antenna region and a second antenna region spaced apart from the first antenna region. An integrated circuit die is disposed on the interface layer. The integrated circuit die is interposed between the first antenna region and the second antenna region. The first antenna region includes a first antenna element, a second antenna element extending along a first direction, and a feeding network electrically connecting the first antenna element and the second antenna element to the integrated circuit die. The feeding network, the first antenna element, and the second antenna element are coplanar. A plurality of solder balls is disposed on a surface of the interface layer. 1. An Antenna-in-Package (AiP) , comprising:an interface layer comprising at least an antenna layer and an insulating layer disposed under the antenna layer, wherein the antenna layer comprises a first antenna region and a second antenna region spaced apart from the first antenna region;an integrated circuit die disposed on the interface layer, wherein the integrated circuit die is interposed between the first antenna region and the second antenna region, wherein the first antenna region comprises a first antenna element, a second antenna element extending along a first direction, and a feeding network electrically connecting the first antenna element and the second antenna element to the integrated circuit die, wherein the feeding network, the first antenna element, and the second antenna element are coplanar; anda plurality of solder balls disposed on a surface of the interface layer.2. The AiP according to claim 1 , wherein the first antenna region is used for transmitting signals and the second antenna region is used for receiving signals.3. The AiP according to claim 1 , wherein the interface layer comprises a ...

CONFIGURABLE ANTENNA ARRANGEMENTS

An apparatus is provided that includes a set of antenna elements and switching nodes. Each switching node has physical interconnects to a sub-set of the antenna elements for transferring communication signals and the switching nodes have physical interconnects to other switching nodes forming a network of switching nodes for transferring communication signals between switching nodes. The apparatus also includes a controller for controlling operation of switching nodes to control use of the physical interconnects between switching nodes and control creation of different patterns of antenna elements operationally interconnected via multiple operationally interconnected switching nodes. 1. An apparatus comprising:a set of antenna elements;switching nodes;wherein each switching node has physical interconnects to a sub-set of the antenna elements for transferring communication signals and the switching nodes have physical interconnects to other switching nodes forming a network of switching nodes for transferring communication signals between switching nodes; anda controller for controlling operation of switching nodes to control use of the physical interconnects between switching nodes and control creation of different patterns of antenna elements operationally interconnected via multiple operationally interconnected switching nodes.2. An apparatus as claimed in claim 1 , wherein the controller is configured to control switching nodes to enable a communication path via one or more switching nodes from any antenna element to any other antenna element.3. An apparatus as claimed in claim 1 , wherein the controller is configured to control a shape of a spatial distribution pattern of antenna elements used claim 1 , and/or control a number of antenna elements in a spatial distribution pattern of antenna elements used and/or control a sparsity of antenna elements in a spatial distribution pattern of antenna elements used.4. An apparatus as claimed in wherein the antenna ...

COMPENSATION CIRCUIT TO MITIGATE ANTENNA-TO-ANTENNA COUPLING

A compensation circuit reduces the negative effects of antenna-to-antenna coupling between proximately located antennas. The compensation circuit is coupled between first and second antenna ports. A first transmit/receive path extends from radio frequency (RF) circuitry to the first antenna port. A second transmit/receive path extends from the RF circuitry to the second antenna port. Antennas are coupled to each of the antenna ports. The compensation circuit includes negatively coupled first and second inductors, which are coupled in series between the first antenna port and the second antenna port. At least one shunt acoustic resonator is coupled between a fixed voltage node and a common node between the first and second inductors. In operation, the compensation circuit presents a negative capacitance between the first antenna port and the second antenna port over the first frequency range to reduce the effects of the antenna-antenna coupling. 1. Circuitry comprising:a first antenna port and a second antenna port;a first transmit/receive path extending to the first antenna port;a second transmit/receive path extending to the second antenna port; and a first inductor and a second inductor coupled in series between the first antenna port and the second antenna port, wherein the first inductor and the second inductor are negatively coupled with one another and a common node is provided between the first inductor and the second inductor; and', 'at least one shunt acoustic resonator coupled between the common node and a fixed voltage node, wherein the compensation circuit presents a negative capacitance between the first antenna port and the second antenna port over a first frequency range., 'a compensation circuit comprising2. The circuitry of wherein the at least one shunt acoustic resonator comprises:a first shunt acoustic resonator coupled between the common node and the fixed voltage node; anda second shunt acoustic resonator coupled between the common node and the ...

Wireless device

A wireless device includes a first transceiver circuit, a power splitter, a first directional antenna, and a second directional antenna. The first directional antenna is connected to a second end of the power splitter and has a first feeding portion and a first radiation unit, and the first feeding portion has a first line length. The second directional antenna is connected to a third end of the power splitter and has a second feeding portion and a second radiation unit, and the second feeding portion has a second line length. A phase difference is provided between the first directional antenna and the second directional antenna. The first transceiver circuit forms, through the first directional antenna, the second directional antenna and the predetermined phase difference, a predetermined pattern to transmit or receive signals, and the predetermined pattern has omnidirectionality.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device comprising:a substrate;a semiconductor die mounted on the substrate;a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency;a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; andcircuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.2. The device of claim 1 , wherein the semiconductor die is flip-chip bonded to the substrate.3. The device of claim 2 , wherein the device is a packaged device comprising:first level connections formed by flip-chip bonding the semiconductor die to the substrate;second level connections configured to connect the packaged device to a printed circuit board; anda protective encapsulation for at least the semiconductor die.4. The device of claim 3 , wherein the second level connections comprise a ball grid array formed on the bottom surface of the substrate.5. The device of claim 1 , wherein the substrate comprises a printed circuit board having at least one conductive layer claim 1 , and wherein the transmit antenna and the receive antenna are fabricated on the substrate by patterning the at least one conductive layer.6. The device of claim 5 , wherein at least one of the transmit antenna and ...

Method and device for monitoring physiological signal characteristics of a living subject

A method for monitoring physiological signal characteristics of a living subject is disclosed. A salient idea is to electromagnetically couple the antennas of respectively a networking device and a monitoring device, the networking device transmitting a wireless signal, the monitoring device receiving first and second signals from the electromagnetic coupling. The first and second signals include a reflection of the transmitted signal on a living subject as well as a part of the transmitted signal resulting from the antenna coupling. A self-interference cancellation processing is applied to the received first and second signals for extracting the reflected signal from the first signal prior to amplifying and mixing with the received second signal to monitor physiological signal characteristics of the living subject.