System and Method for Identifying a Target Using Radar Sensors

In accordance with an embodiment, a method of recognizing a biological target includes performing radar measurements for a plurality of sites on the biological target using a millimeter-wave radar sensor, producing a target data set for the plurality of sites based on the radar measurements, extracting features from the target data set, comparing the extracted features to stored features, and determining whether the extracted features match the stored features based on the comparing

Radio Frequency System for Wearable Device

A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer. 1. A radio frequency (RF) system comprising:an RF integrated circuit (IC) die;an antenna coupled to the RF IC die; anda reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer.2. The RF system of claim 1 , wherein the reflector layer comprises a metal or a metal alloy.3. The RF system of claim 1 , wherein the reflector layer is configured to act as a heat sink for the RF IC die.4. The RF system of claim 1 , further comprising a molding material encapsulating the RF IC die and the reflector layer.5. The RF system of claim 1 , wherein the antenna is a Yagi-Uda antenna.6. The RF system of claim 1 , wherein the radiation pattern has a side lobe in a second direction perpendicular to the first direction.7. The RF system of claim 6 , wherein the reflector layer is configured to redirect an energy of RF signals from the second direction to the first direction.8. A wearable device comprising:a housing, the housing having a top portion, a bottom portion, and a sidewall connecting the top portion to the bottom portion;a circuit board within the housing and over the bottom portion of the housing; an RF integrated circuit (IC) die;', 'an antenna coupled to the RF IC die; and', 'a reflector layer over the RF IC die and the antenna; and, 'a radio frequency (RF) system mounted on the circuit board, the RF system comprisinga display ...

Gesture Detection System and Method Using Radar Sensors

A controller is configured to be coupled to a plurality of millimeter-wave radars mounted on a device having a screen. The controller is configured to: at a first time, detect a first presence of an object in a field of view of a first millimeter-wave radar of the plurality of millimeter-wave radars; at a second time, detect a second presence of the object in a field of view of a second millimeter-wave radar of the plurality of millimeter-wave radars; determine a gesture signature based on detecting the first presence of the object in the field of view of the first millimeter-wave radar at the first time and detecting the second presence of the object in the field of view of the second millimeter-wave radar at the second time; and execute a command based on the determined gesture signature. 1. A controller configured to be coupled to a plurality of millimeter-wave radars mounted on a device having a screen , the controller configured to:at a first time, detect a first presence of an object in a field of view of a first millimeter-wave radar of the plurality of millimeter-wave radars;at a second time, detect a second presence of the object in a field of view of a second millimeter-wave radar of the plurality of millimeter-wave radars, the second time occurring after the first time;determine a gesture signature based on detecting the first presence of the object in the field of view of the first millimeter-wave radar at the first time and detecting the second presence of the object in the field of view of the second millimeter-wave radar at the second time; andexecute a command based on the determined gesture signature.2. The controller of claim 1 , wherein the controller is configured to determine the gesture signature further based on an absence or a presence of the object in a field of view of a third millimeter-wave radar of the plurality of millimeter-wave radars at a third time claim 1 , wherein the third time is between the first time and the second time.3. The ...

Gesture Detection System and Method Using A Radar Sensors

A controller is configured to be coupled to a millimeter-wave radar mounted on a device, where the millimeter-wave radar includes a field of view in a direction away from the device. The controller is configured to: detect a presence of an object in a first range zone of a plurality of range zones of the field of view, where each range zone of the plurality of range zones respectively corresponds to different distance ranges relative to the device, and where each range zone is associated with a respective command database; determine a gesture signature based on detecting the presence of the object in the first range zone of the field of view; and cause execution of a command chosen from the respective command database associated with the first range zone as a function of the gesture signature. 1. A controller configured to be coupled to a millimeter-wave radar mounted on a device , the millimeter-wave radar comprising a field of view in a direction away from the device , the controller configured to:detect a presence of an object in a first range zone of a plurality of range zones of the field of view, wherein each range zone of the plurality of range zones respectively corresponds to different distance ranges relative to the device, and wherein each range zone is associated with a respective command database;determine a gesture signature based on detecting the presence of the object in the first range zone of the field of view; andcause execution of a command chosen from the respective command database associated with the first range zone as a function of the gesture signature.2. The controller of claim 1 , wherein the detected presence of the object at a first time corresponds to a range zone of the plurality of range zones that is closest to the device in which the presence of the object is detected at the first time.3. The controller of claim 1 , wherein the plurality of range zones comprises four or more range zones.4. The controller of claim 1 , wherein the ...

Antenna-in-package production test

A test assembly for testing an antenna-in-package (AiP) device includes a socket over a circuit board, where the socket includes an opening for receiving the AiP device; a plunger configured to move along sidewalls of the opening, where during testing of the AiP device, the plunger is configured to cause the AiP device to be pressed towards the circuit board such that the AiP device is operatively coupled to the circuit board via input/output connections of the AiP device and of the circuit board; and a loadboard disposed within the socket and between the plunger and the AiP device, where the loadboard includes a coupling structure configured to be electromagnetically coupled to a transmit antenna and to a receive antenna of the AiP device, so that testing signals transmitted by the transmit antenna are conveyed to the receive antenna externally relative to the AiP device through the coupling structure.

Radio Frequency System and Method for Wearable Device

A radio frequency (RF) system includes an RF integrated circuit (IC) die. The RF IC die includes a first transmit circuit, a second transmit circuit, a first receive circuit, a second receive circuit, and a control circuit coupled to the first transmit circuit, the second transmit circuit, the first receive circuit, and the second receive circuit. The RF system further includes a first antenna coupled to the first transmit circuit and the first receive circuit using a first coupling structure. The control circuit is configured to activate the first transmit circuit and deactivate the first receive circuit during a first operation mode. The RF system further includes a second antenna coupled to the second transmit circuit and the second receive circuit using a second coupling structure. The control circuit is configured to activate the second transmit circuit and deactivate the second receive circuit during a second operation mode. 1. A radio frequency (RF) system comprising: a first transmit circuit;', 'a second transmit circuit;', 'a first receive circuit;', 'a second receive circuit; and', 'a control circuit coupled to the first transmit circuit, the second transmit circuit, the first receive circuit, and the second receive circuit;, 'an RF integrated circuit (IC) die, the RF IC die comprisinga first antenna coupled to the first transmit circuit and the first receive circuit using a first coupling structure, wherein the control circuit is configured to activate the first transmit circuit and deactivate the first receive circuit during a first operation mode; anda second antenna coupled to the second transmit circuit and the second receive circuit using a second coupling structure, wherein the control circuit is configured to activate the second transmit circuit and deactivate the second receive circuit during a second operation mode.2. The RF system of claim 1 , wherein the control circuit is further configured to deactivate the second transmit circuit and ...

Antenna Package with Via Structure and Method of Formation Thereof

A semiconductor device comprises a semiconductor chip comprising a radio frequency (RF) circuit, a feedline structure coupled to the RF circuit, and an antenna structure comprising a main body stretching along a direction orthogonal to at least one side of a front side and a backside of the semiconductor device, wherein the antenna structure is coupled to the RF circuit through the feedline structure. 1. A semiconductor device with a front side and a backside opposite to the front side , the semiconductor device comprising:a semiconductor chip comprising a radio frequency (RF) circuit;a feedline structure coupled to the RF circuit; andan antenna structure comprising a main body stretching along a direction orthogonal to at least one side of the front side and the backside of the semiconductor device, wherein the antenna structure is coupled to the RF circuit through the feedline structure.2. The semiconductor device of claim 1 , wherein:the antenna structure comprises at least one via capture pad connected to the feedline structure.3. The semiconductor device of claim 2 , wherein:the at least one via capture pad is located at one end of the main body of the antenna structure.4. The semiconductor device of claim 2 , wherein:the at least one via capture pad is at a location between two ends of the main body of the antenna structure.5. The semiconductor device of claim 1 , wherein:the main body of the antenna structure comprises at least one portion formed by a plating arranged as a sidewall of a hole of the semiconductor device.6. The semiconductor device of claim 1 , wherein:the antenna structure further extends over the backside of the semiconductor device.7. The semiconductor device of claim 1 , wherein:the feedline structure comprises a single feedline coupling the antenna structure to the RF circuit.8. The semiconductor device of claim 1 , wherein:the feedline structure comprises at least two feedlines coupling the antenna structure to the RF circuit.915-. ( ...

Millimeter-Wave Circuit with Dielectric Lens

An electronic device includes a housing, an electrically conductive layer and millimeter-wave (mmw) circuitry configured to emit a mmw signal. The mmw circuitry is arranged in the housing and on a first side of the electrically conductive layer. The housing comprises at least one portion configured as a dielectric lens to refract the mmw signal at least partially outside the housing towards a second side opposite to the first side of the electrically conductive layer.

Antenna Package and Method of Formation Thereof

A semiconductor system includes a semiconductor chip comprising a RF circuit, a buffer layer over the RF circuit and a plurality of bumps over the buffer layer, wherein the plurality of bumps comprising at least one functional bump electrically connected to the RF circuit, and at least one dummy bump which is maintained at a distance from the RF circuit and prevented from being electrically connected to the RF circuit by the buffer layer, a conductive layer disposed over the semiconductor chip and coupled to the plurality of bumps through a plurality of vias, a feedline structure disposed over the conductive layer, wherein the feedline structure is electrically coupled to the RF circuit, and a plurality of antennas disposed over the feedline structure, wherein at least one antenna of the plurality of antennas is coupled to the RF circuit through the feedline structure.

System and Method for Radar

In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate. 1. A method of operating a radar system , the method comprising:receiving radar configuration data from a host, the radar configuration data comprising chirp parameters and frame sequence settings;receiving a start command from the host after receiving the radar configuration data; and configuring a frequency generation circuit with the chirp parameters,', 'configuring a frame sequencer with the frame sequencer settings, and', 'triggering radar frames at a preselected rate., 'after receiving the start command,'}2. The method of claim 1 , further comprising:receiving a stop command from the host; andstopping triggering the radar frames upon receipt of the stop command.3. The method of claim 2 , further comprising powering down RF circuitry of the radar system upon receipt of the stop command.4. The method of claim 1 , further comprising powering up RF circuitry of the radar system upon receipt of the start command.5. The method of claim 1 , wherein triggering radar frames comprises:triggering a frequency generation circuit to generate a frequency ramp based on the chirp parameters;receiving samples from an analog-to-digital converter coupled to a receiver of the radar system; andsending the received samples to the host.6. The method of claim 5 , wherein triggering radar frames further comprises:enabling receive antennas and transmit antennas of the radar system at beginning of the radar frame; anddisabling the receive antennas and the transmit antennas of the radar system at end of the radar frame.7. A ...

TARGET DETECTION IN RAINFALL AND SNOWFALL CONDITIONS USING MMWAVE RADAR

A radar system includes a radio frequency (RF) circuit to generate a transmit signal and to receive a corresponding receive signal from a target during rainfall or snowfall conditions, and a signal processing circuit coupled to the RF circuit to generate an adaptive filter threshold in response to the rainfall or snowfall conditions, and to generate a valid target signal in response a portion of the receive signal above the adaptive filter threshold. 1. A radar system comprising:a radio frequency (RF) circuit configured to generate a transmit signal and to receive a corresponding receive signal from a target during rainfall or snowfall conditions; anda signal processing circuit coupled to the RF circuit configured to generate an adaptive filter threshold in response to the rainfall or snowfall conditions, and to generate a valid target signal in response to a portion of the receive signal above the adaptive filter threshold.2. The radar system of claim 1 , wherein the signal processing circuit comprises a plurality of pass-band Doppler filters.3. The radar system of claim 2 , wherein at least one of the plurality of pass-band Doppler filters comprises a clutter map for generating the adaptive filter threshold.4. The radar system of claim 1 , wherein the signal processing circuit comprises target tracking circuitry for generating a valid approaching target signal.5. The radar system of claim 4 , further comprising an actuator driver for receiving the valid target approaching signal.6. The radar system of claim 1 , wherein the radar system further comprises a semiconductor package.7. The radar system of claim 6 , wherein the semiconductor package further comprises a plastic shield.8. The radar system of claim 6 , wherein the semiconductor package further comprises a lens.9. The radar system of claim 1 , wherein the radar system comprises further comprises a printed circuit board (PCB).10. The radar system of claim 9 , wherein the PCB further comprises a plastic shield ...

Multimode Communication and Radar System Resource Allocation

A wireless multimode system includes: an array of N antenna elements that includes a first portion of M antenna elements and a second portion of L antenna elements; M transmission amplifiers configured to transmit, via the M antenna elements, frames of transmit data, where the frames of transmit data include transmit radar signals and transmit communication signals; M reception amplifiers configured to receive, via the M antenna elements, frames of receive data, where the frames of receive data includes receive communication signals; and L reception amplifiers configured to receive, via the L antenna elements, receive radar signals; and a resource scheduler configured to allocate bandwidth for transmit radar signals and transmit communication signals within the frames of transmit data based on one or more predetermined parameters.

System and Method for Occupancy Detection Using a Millimeter-Wave Radar Sensor

According to an embodiment, a method for presence detection includes performing a first scanning comprising scanning a first area using a millimeter-wave radar sensor to produce a first set of radar data; identifying a first set of targets based on the first set of radar data; performing a second scanning comprising scanning portions of the first area corresponding to the first set of targets using the millimeter-wave radar sensor, and performing micro-Doppler measurements on the portions of the first area; and determining which targets of the first set of targets meet a first set of criteria based on the micro-Doppler measurements. 1. A method for presence detection , the method comprising:performing a first scanning comprising scanning a first area using a millimeter-wave radar sensor to produce a first set of radar data;identifying a first set of targets based on the first set of radar data;performing a second scanning comprising scanning portions of the first area corresponding to the first set of targets using the millimeter-wave radar sensor, and performing micro-Doppler measurements on the portions of the first area;detecting vital signals of targets of the first set of targets from the micro-Doppler measurement; anddetermining which targets of the first set of targets meet a first set of criteria based on the detected vital signals.2. The method of claim 1 , wherein performing the first scanning further comprises performing macro-Doppler measurements on the first set of targets.3. The method of claim 1 , wherein the vital signals comprise heart rate and respiration.4. The method of claim 3 , wherein determining which targets of the first set of targets meet a first set of criteria comprises determining which targets of the first set of targets are human based on the detected vital signals.5. The method of claim 4 , further comprising determining a number of detected humans based on the detected vital signals.6. The method of claim 4 , wherein determining ...

SEMICONDUCTOR DEVICE INCLUDING AN ANTENNA

A semiconductor device includes a semiconductor chip and a redistribution layer on a first side of the semiconductor chip. The redistribution layer is electrically coupled to the semiconductor chip. The semiconductor device includes a dielectric layer and an antenna on the dielectric layer. The dielectric layer is between the antenna and the semiconductor chip. 1. A semiconductor device comprising:a semiconductor chip having a first side and a second side;a redistribution layer on the first side of the semiconductor chip, the redistribution layer electrically coupled to the semiconductor chip;a first dielectric layer;a conductive layer between the semiconductor chip and the first dielectric layer; andan antenna on the first dielectric layer, where the antenna is electromagnetically coupled to the semiconductor chip via the conductive layer.2. The semiconductor device of claim 1 , where the antenna is electromagnetically coupled to the semiconductor chip through slots in the conductive layer.3. The semiconductor device of claim 2 , further comprising:an encapsulant material laterally surrounding the semiconductor chip.4. The semiconductor device of claim 3 , further comprising:where the conductive layer covers the semiconductor chip and the encapsulant material except where the slots are arranged.5. The semiconductor device of claim 1 , further comprising:where the antenna includes one or more patch antennas.6. The semiconductor device of claim 1 , the redistribution layer including an RF signal feed claim 1 , the conductive layer including a slot claim 1 , where the RF signal feed and the slot are aligned between the antenna and the semiconductor chip to electromagnetically couple the antenna to the semiconductor chip.7. The semiconductor device of claim 1 , comprising:a heat sink on a second side of the semiconductor chip opposite to the first side; anda solder ball coupled to the heat sink.867. The semiconductor device of claim claim 1 , comprising:an ...

System and method for controlling operation of a vehicle using a millimeter-wave radar sensor

An embodiment system may include a first millimeter-wave radar sensor coupled to a driver-side door of a vehicle, and a second millimeter-wave radar sensor coupled to a side-view mirror of the vehicle adjacent to the driver-side door. The first millimeter-wave radar sensor may be configured to produce a first set of radar data indicative of a presence of an object within a first field of view, and the second millimeter-wave radar sensor may be configured to produce a second set of radar data indicative of a presence of the object within a second field of view. The system may further include a processing circuit coupled to the first millimeter-wave radar sensor and the second millimeter-wave radar sensor, and a controller coupled to the processing circuit, the controller being configured to control an operation of the vehicle based on a control signal provided to the controller by the processing circuit.

Dual-Sided Radar Systems and Methods of Formation Thereof

A radar system includes a substrate that includes a first surface and a second surface. The first surface is opposite the second surface. The radar system further includes transmitter front-end circuitry attached to the substrate and configured to transmit a transmitted radio frequency (RF) signal in a first direction away from the first surface and in a second direction away from the second surface. The radar system also includes a first receive antenna and a second receive antenna. The first receive antenna is disposed at the first surface and is configured to receive a first reflected RF signal propagating in the second direction and generated by the transmitted RF signal. The second receive antenna is disposed at the second surface and is configured to receive a second reflect RF signal propagating in the first direction and generated by the transmitted RF signal. 1. A radar system comprising:a substrate comprising a first surface and a second surface, the first surface being opposite the second surface;transmitter front-end circuitry attached to the substrate, the transmitter front-end circuitry being configured to transmit a transmitted radio frequency (RF) signal in a first direction away from the first surface and in a second direction away from the second surface;a first receive antenna disposed at the first surface, the first receive antenna being configured to receive a first reflected RF signal propagating in the second direction, the first reflected RF signal being generated by the transmitted RF signal; anda second receive antenna disposed at the second surface, the second receive antenna being configured to receive a second reflect RF signal propagating in the first direction, the second reflected RF signal being generated by the transmitted RF signal.2. The radar system of claim 1 , further comprising: detect a first object located in the first direction according to the first reflected RF signal, and', 'detect a second object located in the second ...

System and Method for Vital Signal Sensing Using a Millimeter-Wave Radar Sensor

A system includes a millimeter-wave radar sensor disposed on a circuit board, a plurality of antennas coupled to the millimeter-wave radar sensor and disposed on the circuit board, and a processing circuit coupled to the millimeter-wave radar sensor and disposed on the circuit board. The processing circuit is configured to determine vital signal information based on output from the millimeter-wave radar sensor. 1. A system comprising:a wearable object configured to be worn by a person; anda millimeter-wave radar system mounted on the wearable object, the millimeter-wave radar system comprising a circuit board, millimeter-wave radar sensor disposed on the circuit board, a plurality of antennas coupled to the millimeter-wave radar sensor and disposed on the circuit board adjacent to the millimeter-wave radar sensor, and a processing circuit coupled to the millimeter-wave radar sensor and disposed on the circuit board, the processing circuit is configured to determine vital signal information of the person based on output from the millimeter-wave radar sensor.2. The system of claim 1 , wherein the wearable object comprises a wrist band.3. The system of claim 1 , wherein the wearable object comprises a chest strap.4. The system of claim 1 , wherein the vital signal information comprises a heart rate.5. The system of claim 1 , wherein the processing circuit is further configured to:instruct the millimeter-wave radar sensor to perform a first set of radar measurements to produce a first set of radar data;determine a first set of range gate measurements from the first set of radar data;determine high response range gates from the first set of range gate measurements;apply a correction filter to the determined high response range gates in slow-time to produce corrected range gate data, the correction filter configured to correct for a manner in which the millimeter-wave radar sensor is coupled to the person via the wearable object; andapply a vital signal filter to the ...

SEMICONDUCTOR DEVICE WITH EMBEDDED FLEXIBLE CIRCUIT

A semiconductor device includes a substrate comprising an antenna and a conductive feature; an integrated circuit (IC) die attached to the substrate and comprising a radio frequency (RF) circuit; and a flexible circuit integrated with the substrate, where the flexible circuit is electrically coupled to the IC die and the substrate, a first portion of the flexible circuit being disposed between opposing sidewalls of the substrate, a second portion of the flexible circuit extending beyond the opposing sidewalls of the substrate, the second portion of the flexible circuit comprising an electrical connector at a distal end. 1. A semiconductor device comprising:a substrate comprising an antenna and a conductive feature;an integrated circuit (IC) die attached to the substrate and comprising a radio frequency (RF) circuit; anda flexible circuit integrated with the substrate, wherein the flexible circuit is electrically coupled to the IC die and the substrate, a first portion of the flexible circuit being disposed between opposing sidewalls of the substrate, a second portion of the flexible circuit extending beyond the opposing sidewalls of the substrate, the second portion of the flexible circuit comprising an electrical connector at a distal end.2. The semiconductor device of claim 1 , wherein the first portion of the flexible circuit extends parallel to a first side of the substrate and physically contacts the substrate.3. The semiconductor device of claim 1 , wherein the substrate comprises a bottommost metal layer facing the IC die claim 1 , wherein the first portion of the flexible circuit is disposed between the bottommost metal layer of the substrate and the IC die.4. The semiconductor device of claim 1 , wherein the substrate comprises a bottommost metal layer facing the IC die and a topmost metal layer facing away from the IC die claim 1 , wherein the first portion of the flexible circuit is disposed between the topmost metal layer and the bottommost metal layer.5 ...

RF System with an RFIC and Antenna System

In accordance with an embodiment, a packaged radio frequency (RF) circuit includes a radio frequency integrated circuit (RFIC) disposed on a substrate that has plurality of receiver circuits coupled to receive ports at a first edge of the RFIC, and a first transmit circuit coupled to a first transmit port at a second edge of the RFIC. The packaged RF circuit also includes a receive antenna system disposed on the package substrate adjacent to the first edge of the RFIC and a first transmit antenna disposed on the package substrate adjacent to the second edge of the RFIC and electrically coupled to the first transmit port of the RFIC. The receive antenna system includes a plurality of receive antenna elements that are each electrically coupled to a corresponding receive port. 1. A packaged radio frequency (RF) circuit comprising:a radio frequency integrated circuit (RFIC) disposed on a package substrate, the RFIC comprising a plurality of receiver circuits coupled to receive ports of the RFIC, and a first transmit circuit coupled to a first transmit port of the RFIC;a receive antenna system disposed on the package substrate, the receive antenna system comprising a plurality of receive antenna elements that are each electrically coupled to a corresponding receive port;a first transmit antenna disposed on the package substrate and coupled to the first transmit port of the RFIC;a first plurality of electrically floating solder balls disposed on the package substrate; anda second plurality of solder balls forming all or part of a ground wall disposed on the package substrate between the first transmit antenna and the receive antenna system.2. The packaged RF circuit of claim 1 , wherein:the RFIC further comprises a second transmit circuit coupled to a second transmit port of the RFIC; andthe RF circuit further comprises a second transmit antenna disposed on the package substrate and electrically coupled to the second transmit port of the RFIC.3. The packaged RF circuit of ...

Radio Frequency Systems Integrated with Displays and Methods of Formation Thereof

A radio frequency (RF) system includes a flexible substrate that includes a first portion and a second portion. The first portion overlaps a first surface of a substrate. The first surface is on a first side of the RF system. The second portion overlaps a second surface of the substrate. The second surface is on a second side of the RF system. The RF system further includes an antenna disposed over the first portion of the flexible substrate. The antenna is configured to transmit/receive RF signals on the first side of the RF system. The RF system also includes a transmission line disposed on a bent region of the flexible substrate between the first portion and the second portion. The transmission line is configured to propagate the RF signals between the first portion and the second portion on the second side of the RF system. 1. A radio frequency (RF) system , comprising: a first portion overlapping a first surface of a substrate, the first surface being on a first side of the RF system, and', 'a second portion overlapping a second surface of the substrate, the second surface being on a second side of the RF system;, 'a flexible substrate comprising'}an antenna disposed over the first portion of the flexible substrate, the antenna being configured to transmit/receive RF signals on the first side of the RF system; anda transmission line disposed on a bent region of the flexible substrate between the first portion and the second portion, the transmission line being configured to propagate the RF signals between the first portion and the second portion on the second side of the RF system.2. The RF system of claim 1 , further comprising a transparent substrate disposed over the first surface of the substrate claim 1 , whereinthe antenna is disposed between the transparent substrate and the substrate, andthe antenna is further configured to transmit/receive the RF signals through the transparent substrate.3. The RF system of claim 1 , further comprising a transparent ...

Radio Frequency System for Wearable Device

A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer.

Radio Frequency System for Wearable Device

A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer. 1. A device comprising:a housing, the housing having a top portion, a bottom portion, and a sidewall connecting the top portion to the bottom portion;a circuit board within the housing and over the bottom portion of the housing; anda radio frequency (RF) system mounted on a first side of the circuit board, wherein a radiation pattern of the RF system has a main lobe in a first direction parallel to first side of the circuit board, and wherein the first direction intersects with the sidewall of the housing.2. The device of claim 1 , wherein the RF system comprises:an RF integrated circuit (IC) die;an antenna coupled to the RF IC die; anda reflector layer over the RF IC die and the antenna.3. The device of claim 2 , wherein the reflector layer comprises a conductive material.4. The device of claim 2 , wherein the reflector layer comprises a high thermal conductivity material.5. The device of claim 1 , further comprises a display disposed over the RF system claim 1 , wherein the first direction is parallel to a top surface of the display.6. The device of claim 1 , wherein the radiation pattern further has a side lobe in a second direction perpendicular to the first direction claim 1 , the second direction intersecting with the circuit board.7. The device of claim 6 , wherein a gain of the main lobe is greater than a gain of the side lobe.8. A device comprising:a housing;a mm-wave gesture sensing system within the housing, the mm-wave gesture sensing system comprising a radio frequency (RF) system; anda display disposed over the mm-wave gesture ...

Gesture feedback in distributed neural network system

A method for operating a distributed neural network having a plurality of intelligent devices and a server includes: generating, by a first intelligent device of the plurality of intelligent devices, a first output using a first neural network model running on the first intelligent device and using a first input vector to the first neural network model; outputting, by the first intelligent device, the first output; receiving, by the first intelligent device, a gesture feedback on the first output from a user; determining, by the first intelligent device, a user rating of the first output from the gesture feedback; labeling, by the first intelligent device, the first input vector with a first label in accordance with the user rating; and training, by the first intelligent device, the first neural network model using the first input vector and the first label.

Dual-sided Radar Systems and Methods of Formation Thereof

A method of forming a radar system includes forming a first receive antenna and a first ground plane region by patterning a first conductive layer on a first surface of a first laminate layer of a radar package, forming a transmit antenna and a second ground plane region by patterning a second conductive layer on a second surface of the first laminate layer, forming a second laminate layer of the radar package over the second conductive layer, forming a third conductive layer over the second laminate layer, forming a second receive antenna by patterning the third conductive layer, and attaching a radio frequency integrated circuit chip to the radar package. The radio frequency integrated circuit chip is coupled to the transmit antenna, the first receive antenna, and the second receive antenna. The second surface is opposite the first surface.

RF System with an RFIC and Antenna System

In accordance with an embodiment, a packaged radio frequency (RF) circuit includes a radio frequency integrated circuit (RFIC) disposed on a substrate that has plurality of receiver circuits coupled to receive ports at a first edge of the RFIC, and a first transmit circuit coupled to a first transmit port at a second edge of the RFIC. The packaged RF circuit also includes a receive antenna system disposed on the package substrate adjacent to the first edge of the RFIC and a first transmit antenna disposed on the package substrate adjacent to the second edge of the RFIC and electrically coupled to the first transmit port of the RFIC. The receive antenna system includes a plurality of receive antenna elements that are each electrically coupled to a corresponding receive port. 1. A packaged radio frequency (RF) circuit comprising:a radio frequency integrated circuit (RFIC) disposed on a package substrate, the RFIC comprising a plurality of receiver circuits coupled to receive ports at a first edge of the RFIC, and a first transmit circuit coupled to a first transmit port at a second edge of the RFIC different from the first edge;a receive antenna system disposed on the package substrate adjacent to the first edge of the RFIC, the receive antenna system comprising a plurality of receive antenna elements that are each electrically coupled to a corresponding receive port;a first transmit antenna disposed on the package substrate adjacent to the second edge of the RFIC and electrically coupled to the first transmit port of the RFIC;a first plurality of solder balls disposed on the package substrate adjacent to the RFIC and electrically connected to the RFIC;a second plurality of solder balls disposed on the package substrate adjacent to the receive antenna system, wherein the second plurality of solder balls are electrically floating; anda ground wall disposed on the package substrate between the RFIC and the receive antenna system.2. The packaged RF circuit of claim 1 , ...

System and Method for Identifying a Target Using Radar Sensors

In accordance with an embodiment, a method of recognizing a biological target includes performing radar measurements for a plurality of sites on the biological target using a millimeter-wave radar sensor, producing a target data set for the plurality of sites based on the radar measurements, extracting features from the target data set, comparing the extracted features to stored features, and determining whether the extracted features match the stored features based on the comparing. 1. A method of recognizing a target , the method comprising:receiving radar measurements performed for a plurality of sites on the target using a radar sensor;producing a target data set for the plurality of sites based on the received radar measurements;extracting features from the target data set; receiving a set of reference radar measurements performed for a plurality of reference sites on the target using the radar sensor,', 'producing a training data set for the plurality of reference sites based on the received reference radar measurements, and', 'forming the stored features based on the training data set;, 'producing a set of stored features comprisingcomparing the extracted features to the stored features; anddetermining whether the extracted features match the stored features based on the comparing.2. The method of claim 1 , further comprising performing the radar measurements claim 1 , wherein performing the radar measurements comprises forming a plurality of radar beams claim 1 , wherein each of the plurality of radar beams are directed toward a corresponding site of the plurality of sites on the target.3. The method of claim 1 , further comprising performing the radar measurements claim 1 , wherein:the target comprises a human face; andperforming the radar measurements comprising performing the radar measurements on a plurality of sites on the human face.4. The method of claim 3 , further comprising aligning the human face with the radar sensor.5. The method of claim 4 , ...

Multifunctional Radar Systems and Methods of Operation Thereof

A radar system includes a substrate, a first received antenna, a second receive antenna, and radio frequency (RF) circuitry. The substrate includes a first side and a second side. The first side is opposite the second side. The first receive antenna is disposed at the first side and is configured to receive a first reflected RF signal. The second receive antenna is configured to receive a second reflected RF signal. The RF circuitry is operatively coupled to the first receive antenna and the second receive antenna. The RF circuitry is configured to detect a first object located on the first side of the substrate according to the first reflected RF signal. The RF circuitry is further configured to detect biometric data from a second object located on the second side of the substrate according to the second reflected RF signal. 1. A radar system comprising:a substrate comprising a first side and a second side, the first side being opposite the second side;a first receive antenna disposed at the first side, the first receive antenna being configured to receive a first reflected radio frequency (RF) signal;a second receive antenna configured to receive a second reflected RF signal; and detect a first object located on the first side of the substrate according to the first reflected RF signal, and', 'detect biometric data from a second object located on the second side of the substrate according to the second reflected RF signal., 'RF circuitry operatively coupled to the first receive antenna and the second receive antenna, the RF circuitry being configured to'}2. The radar system of claim 1 , wherein the radar system is part of an earphone device claim 1 , a headphone device claim 1 , a headset device claim 1 , or an earbud device.3. The radar system of claim 1 , further comprising a digital signal processor (DSP) operatively coupled to the RF circuitry claim 1 , the DSP being configured to process signals received from the RF circuitry.4. The radar system of claim 3 , ...

Radio Frequency Device Packages and Methods of Formation Thereof

A semiconductor device package includes a radio frequency front end circuit configured to process radio frequency signals, a first antenna, an antenna substrate, and a first conductive barrier. The first antenna is configured to transmit/receive a first radio frequency signal. The antenna substrate includes the first antenna. The antenna substrate is configured to transfer the first radio frequency signal between the radio frequency front end circuit and the first antenna. The first conductive barrier is configured to electromagnetically and electrostatically isolate the first antenna. 1. A semiconductor device package comprising:a radio frequency front end circuit configured to process radio frequency signals;a first antenna configured to transmit/receive a first radio frequency signal;an antenna substrate comprising the first antenna and configured to transfer the first radio frequency signal between the radio frequency front end circuit and the first antenna; anda first conductive barrier configured to electromagnetically and electrostatically isolate the first antenna.2. The semiconductor device package of claim 1 , wherein the antenna substrate further comprises:a second antenna configured to transmit/receive a second radio frequency signal, wherein the antenna substrate further comprises the second antenna and is configured to transfer the second radio frequency signal between the radio frequency front end circuit and the second antenna; anda second conductive barrier configured to electromagnetically and electrostatically isolate the second antenna.3. The semiconductor device package of claim 2 , wherein the first antenna is configured only to receive the first radio frequency signal and wherein the second antenna is configured only to transmit the second radio frequency signal.4. The semiconductor device package of claim 1 , wherein the radio frequency signals comprise a frequency between 55 GHz and 65 GHz claim 1 , and wherein a gain of the first antenna is ...

System and method for vital signal sensing using a millimeter-wave radar sensor

A system includes a millimeter-wave radar sensor disposed on a circuit board, a plurality of antennas coupled to the millimeter-wave radar sensor and disposed on the circuit board, and a processing circuit coupled to the millimeter-wave radar sensor and disposed on the circuit board. The processing circuit is configured to determine vital signal information based on output from the millimeter-wave radar sensor.

SYSTEM AND METHOD FOR VITAL SIGNAL SENSING USING A MILLIMETER-WAVE RADAR SENSOR

A method of measuring vital signals using a millimeter-wave radar sensor system includes performing a first set of radar measurements using a millimeter-wave radar sensor to produce a first set of radar data; determining a first set of range gate measurements from the first set of radar data; determining high response range gates from the first set of range gate measurements; and extracting vital signal information from the high response range gates. 1. A method of measuring vital signals using a millimeter-wave radar sensor system , the method comprising:performing a first set of radar measurements using a millimeter-wave radar sensor to produce a first set of radar data;determining a first set of range gate measurements from the first set of radar data;determining high response range gates from the first set of range gate measurements; andextracting vital signal information from the high response range gates.2. The method of claim 1 , further comprising determining a confidence level corresponding to the extracted vital signal information.3. The method of claim 2 , wherein:determining the high response range gates comprises determining which range gates of the first set of range gate measurements have a highest peak-to-average ratio; anddetermining the confidence level comprises determining a percentage of time in which the peak-to-average ratio of the determined high response range gates is within a predetermined range of values.4. The method of claim 2 , further comprising:determining a set of neighboring range gates of the high response range gates;stitching together data from the neighboring range gates along with the high response range gates to form a set of modified range gate data when the confidence level is less than a first threshold, wherein extracting the vital signal information further comprises extracting the vital signal information from the modified range gate data.5. The method of claim 4 , wherein determining the set of neighboring range gates ...

Antenna-in-package device with chip embedding technologies

A semiconductor device includes: a dielectric substrate; an integrated circuit (IC) die disposed inside an opening of the dielectric substrate, where the IC die is configured to transmit or receive radio frequency (RF) signals; a dielectric material in the opening of the dielectric substrate and around the IC die; a redistribution structure along a first side of the dielectric substrate, where a first conductive feature of the redistribution structure is electrically coupled to the IC die; a second conductive feature along a second side of the dielectric substrate opposing the first side; a via extending through the dielectric substrate, where the via electrically couples the first conductive feature and the second conductive feature; and an antenna at the second side of the dielectric substrate, where the second conductive feature is electrically or electromagnetically coupled to the antenna.

System and method for human behavior modelling and power control using a millimeter-wave radar sensor

An embodiment method includes identifying a set of targets within a field of view of a millimeter-wave radar sensor based on radar data received by the millimeter-wave radar sensor; capturing radar data corresponding to the set of targets across a macro-Doppler frame; performing macro-Doppler processing on the macro-Doppler frame and determining whether a macro-Doppler signal is present in the macro-Doppler frame based on the macro-Doppler processing; capturing radar data corresponding to the set of targets across a micro-Doppler frame, wherein the micro-Doppler frame has a duration equal to a first plurality of macro-Doppler frames; performing micro-Doppler processing on the micro-Doppler frame and determining whether a micro-Doppler signal is present in the micro-Doppler frame based on the micro-Doppler processing; and activating at least one range bin of a plurality of range bins in response to a determination that at least one of the macro-Doppler signal or the micro-Doppler signal is present.

SEMICONDUCTOR DEVICE INCLUDING AN ANTENNA

A semiconductor device includes a semiconductor chip and a redistribution layer on a first side of the semiconductor chip. The redistribution layer is electrically coupled to the semiconductor chip. The semiconductor device includes a dielectric layer and an antenna on the dielectric layer. The dielectric layer is between the antenna and the semiconductor chip. 1. A semiconductor device comprising:a semiconductor chip;a redistribution layer on a first side of the semiconductor chip, the redistribution layer electrically coupled to the semiconductor chip;a dielectric layer; andan antenna on the dielectric layer,wherein the dielectric layer is between the antenna and the semiconductor chip.2. The semiconductor device of claim 1 , further comprising:an encapsulant material laterally surrounding the semiconductor chip.3. The semiconductor device of claim 2 , further comprising:a plurality of solder balls electrically coupled to the redistribution layer.4. The semiconductor device of claim 2 , further comprising:a conductive layer between the dielectric layer and the semiconductor chip.5. The semiconductor device of claim 4 , wherein the conductive layer is electrically coupled to the redistribution layer.6. The semiconductor device of claim 2 , wherein the antenna is electrically coupled to the semiconductor chip.7. The semiconductor device of claim 2 , wherein the antenna is electromagnetically coupled to the semiconductor chip.8. The semiconductor device of claim 2 , wherein the antenna comprises a dipole antenna claim 2 , a folded dipole antenna claim 2 , a ring antenna claim 2 , a rectangular loop antenna claim 2 , a patch antenna claim 2 , or a coplanar patch antenna.9. The semiconductor device of claim 1 , further comprising:an encapsulant material laterally surrounding the semiconductor chip;wherein the redistribution layer is on the first side of the semiconductor chip and the encapsulant material, andwherein the dielectric layer is on a second side of the ...

User Authentication Using mm-Wave Sensor for Automotive Radar Systems

In an embodiment, a method for authenticating a user of a car includes: transmitting a plurality of radiation pulses through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar; receiving a reflected signal from the portion of the hand using the millimeter-wave radar; generating a fingerprint signature based on the reflected signal; comparing the fingerprint signature to a database of authorized fingerprint signatures; and authorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database of authorized fingerprint signatures. 1. A method for authenticating a user of a car , the method comprising:transmitting a plurality of radiation pulses through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar;receiving a reflected signal from the portion of the hand using the millimeter-wave radar;generating a fingerprint signature based on the reflected signal;comparing the fingerprint signature to a database of authorized fingerprint signatures; andauthorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database of authorized fingerprint signatures.2. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a surface of a handle of the car.3. The method of claim 1 , wherein the reflected signal comprises the reflected signal from a portion of a finger while the finger touches the predetermined portion of the surface of the car.4. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a surface of a steering wheel of the car.5. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a portion of a scanning plaque.6. The method of claim 1 , wherein the portion of the hand of the user comprises a portion of a palm of the ...

System and Method for Contactless Sensing on a Treadmill

A treadmill includes a belt, a display, a first sensor having first transmission circuitry for transmitting a first radar beam over the belt and first reception circuitry for detecting a first reflected signal that is a reflection of the first radar beam from a user on the belt, a processor connected to the first sensor, the belt and the display, and a non-transitory computer-readable storage medium storing a program to be executed by the processor. The program includes instructions for determining, according to the first reflected signal, first data associated with a vital sign of the user and displaying, according to the first data, the vital sign on the display. 1. A treadmill , comprising:a belt;a display;a first sensor having first transmission circuitry for transmitting a first radar beam over the belt and first reception circuitry for detecting a first reflected signal that is a reflection of the first radar beam from a user on the belt;a processor connected to the first sensor, the belt and the display; and determining, according to the first reflected signal, first data associated with a vital sign of the user; and', 'displaying, according to the first data, the vital sign on the display., 'a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for2. The treadmill of claim 1 , wherein the program further includes instructions for:detecting, according to the first reflected signal, a gesture of the user while the user is on the belt; andcontrolling at least one of the belt and the display according to the gesture.3. The treadmill of claim 2 , wherein the first transmission circuitry is further configured to transmit a first portion of the first radar beam in a frequency modulated continuous wave (FMCW) mode during a first observation window claim 2 , and transmit a second portion of the first radar beam in an interferometric mode during a second observation window different from ...

User Authentication Using mm-Wave Sensor for Automotive Radar Systems

In an embodiment, a method for authenticating a user of a car includes: transmitting a plurality of radiation pulses through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar; receiving a reflected signal from the portion of the hand using the millimeter-wave radar; generating a fingerprint signature based on the reflected signal; comparing the fingerprint signature to a database of authorized fingerprint signatures; and authorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database of authorized fingerprint signatures. 1. A method for authenticating a user of a car , the method comprising:transmitting a plurality of radar signals through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar;receiving reflected radar signals from the portion of the hand using the millimeter-wave radar;generating a fingerprint signature based on the reflected radar signals;comparing the fingerprint signature to a database of authorized fingerprint signatures; andauthorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database.2. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a surface of a handle of the car.3. The method of claim 1 , wherein the reflected radar signals comprise radar signals reflected from a portion of a finger of the hand while the finger touches the predetermined portion of the surface of the car.4. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a surface of a steering wheel of the car.5. The method of claim 1 , wherein the predetermined portion of the surface of the car comprises a portion of a scanning plaque.6. The method of claim 1 , wherein the portion of the hand of the user comprises a portion of a palm of the hand.7. ...

SYSTEM AND METHOD FOR A VOICE-CONTROLLABLE APPARATUS

In accordance with an embodiment, an apparatus includes a millimeter wave radar sensor system configured to detect a location of a body of a person, where the detected location of the body of the person defines a direction of the person relative to the apparatus; and a microphone system configured to generate at least one audio beam as a function at least of the direction. 1. An apparatus comprising:a millimeter wave radar sensor system configured to detect a location of a body of a person regardless of whether the person is performing a predetermined gesture forming a command for triggering a predetermined response from the apparatus, wherein the detected location of the body of the person defines a direction of the person relative to the apparatus; anda microphone system configured to generate one or more audio beam via each of which the microphone system is configured to receive audio inputs, the microphone system being configured to generate at least one audio beam as a function at least of said direction so as to steer said at least one audio beam in said direction and enhance detection of audio inputs generated by the person and received by the microphone system via the generated audio beam.2. The apparatus of claim 1 , wherein:the millimeter wave radar sensor system is configured to have a predetermined angular coverage around the apparatus; andthe millimeter wave radar sensor system is adapted to vary the angular coverage dynamically.3. The apparatus of claim 2 , wherein for varying the angular coverage dynamically claim 2 , the millimeter wave radar sensor system is configured to selectively activate and deactivate each millimeter wave radar sensor subsystem.4. The apparatus of claim 2 , wherein for varying the angular coverage dynamically claim 2 , the apparatus is configured to selectively include or not include sensor output data respectively generated by each millimeter wave radar sensor subsystem during a processing of sensor output data generated by ...

RF System with an RFIC and Antenna System

In accordance with an embodiment, a packaged radio frequency (RF) circuit includes a radio frequency integrated circuit (RFIC) disposed on a substrate that has plurality of receiver circuits coupled to receive ports at a first edge of the RFIC, and a first transmit circuit coupled to a first transmit port at a second edge of the RFIC. The packaged RF circuit also includes a receive antenna system disposed on the package substrate adjacent to the first edge of the RFIC and a first transmit antenna disposed on the package substrate adjacent to the second edge of the RFIC and electrically coupled to the first transmit port of the RFIC. The receive antenna system includes a plurality of receive antenna elements that are each electrically coupled to a corresponding receive port. 1. A radar system comprising:a plurality of receive antennas;a plurality of transmit antennas;a radar front-end circuit comprising a plurality of receive circuits coupled to the plurality of receive antennas and a plurality of transmit circuits coupled to the plurality of transmit antennas;an oscillator having an output coupled to the plurality of transmit circuits; anda radar processing circuit coupled outputs of the plurality of receive circuits and a control input of the oscillator.2. The radar system of claim 1 , wherein the radar processing circuit comprises a phase locked loop coupled to the control input of the oscillator.3. The radar system of claim 2 , wherein the phase locked loop comprises an analog phased-locked loop coupled to the control input of the oscillator and the radar processing circuit.4. The radar system of claim 2 , wherein the phase locked loop comprises a software PLL having a digital-to-analog converter and an integrator coupled between an output of the digital-to-analog converter and the control input of the oscillator.5. The radar system of claim 1 , wherein the radar processing circuit comprises a frequency modulated continuous wave (FMCW) generator coupled to the ...

System and Method for Controlling Access to a Trunk of a Vehicle Using a Radar Sensor

An embodiment method includes: receiving radar data at a millimeter-wave radar sensor, the radar data being generated in response to an incident radio-frequency signal reflecting off an object located in a field of view of the millimeter-wave radar sensor; filtering the radar data to generate a first-filtered signal; determining a trajectory of motion corresponding to the first-filtered signal; and determining whether the trajectory of motion corresponds to a human signature, the human signature being associated with a respective operation of a vehicle. 1. A method , comprising:receiving radar data at a millimeter-wave radar sensor, the radar data being generated in response to an incident radio-frequency signal reflecting off an object located in a field of view of the millimeter-wave radar sensor;filtering the radar data to generate a first-filtered signal;determining a trajectory of motion corresponding to the first-filtered signal; anddetermining whether the trajectory of motion corresponds to a human signature, the human signature being associated with a respective operation of a vehicle.2. The method of claim 1 , further comprising executing the respective operation of the vehicle in response to a determination that the trajectory of motion corresponds to the human signature.3. The method of claim 1 , further comprising:determining whether an obstruction is present in the field of view of the millimeter-wave radar sensor; andinhibiting execution of the respective operation of the vehicle in response to a determination than the obstruction is present.4. The method of claim 1 , wherein filtering the radar data to generate the first-filtered signal comprises:determining a range-gate of the radar data comprising a potential motion signal;capturing slow-time radar data corresponding to the range-gate across a macro-Doppler frame; andperforming a Gabor time-frequency transform on the slow-time radar data to generate the first-filtered signal.5. The method of claim 4 ...

Integration of EBG Structures (Single Layer/Multi-Layer) for Isolation Enhancement In Multilayer Embedded Packaging Technology at mmWave

A packaged radar includes laminate layers, a ground plane associated with at least one of the laminate layers, a transmit antenna and a receive antenna associated with at least one of the laminate layers, and an electromagnetic band gap structure between the transmit antenna and the receive antenna for isolating the transmit antenna and the receive antenna, the electromagnetic band gap structure including elementary cells forming adjacent columns each coupled to the ground plane, and each elementary cell including a conductive planar element and a columnar element coupled to the conductive planar element.

Liquid Detection Using Millimeter-Wave Radar Sensor

A device includes: a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, where N is an integer number greater than one; and a processor configured to: generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, where the 2D radar image includes azimuth and range information, generate a multi-dimensional data structure based on the 2D radar image using a transform function, compare the multi-dimensional data structure with a reference multi-dimensional data structure, and determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure. 1. A device comprising:a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, wherein N is an integer number greater than one; and generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, wherein the 2D radar image comprises azimuth and range information,', 'generate a multi-dimensional data structure based on the 2D radar image using a transform function,', 'compare the multi-dimensional data structure with a reference multi-dimensional data structure, and', 'determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure., 'a processor configured to2. The device of claim 1 , wherein multi-dimensional data structures generated by the processor and corresponding to surfaces having a liquid are close to each other in Euclidean terms and far claim 1 , in Euclidean terms claim 1 , from multi-dimensional data structures generated by the processor and ...

Human Detection and Identification in a Setting Using Millimiter-Wave Radar

A method for human detection includes: receiving first and second echo signals using a millimeter-wave radar to produce first and second sets of data, respectively; selecting first and second angles based on the first and second sets of data, respectively; performing a FrFT on the first set of data using the first angle; identifying first targets by comparing peaks of the FrFT of the first set of data with a first threshold; performing a FrFT on the second set of data using the second angle; identifying second targets by comparing peaks of the FrFT of the second set of data with the first threshold; generating a set of target tracks based on the identified first and second targets; and associating a target track with a human track based on comparing each target track of the set of target tracks with a set of reference track signatures. 1. A method for human detection , the method comprising:transmitting a plurality of chirps towards objects of a scene using a millimeter-wave radar to produce echo signals;receiving a first echo signal using the millimeter-wave radar to produce a first set of data;identifying first initial targets based on the first set of data;selecting a first angle based on the first set of data;performing a Fractional Fourier Transform (FrFT) on the first set of data based on the first initial targets using the first angle;identifying first targets by comparing peaks of the FrFT of the first set of data with a first threshold;after receiving the first echo signal, receiving a second echo signal using the millimeter-wave radar to produce a second set of data;identifying second initial targets based on the second set of data;selecting a second angle based on the second set of data, wherein the second angle is different from the first angle;performing a FrFT on the second set of data based on the second initial targets using the second angle;identifying second targets by comparing peaks of the FrFT of the second set of data with the first threshold; ...

FMCW Radar Integration with Communication System

In an embodiment, a millimeter-wave system includes a first circuit having M channels, one or more antennas coupled to the first circuit, and a controller that includes a resource scheduler module. The controller is configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module. 1. A millimeter-wave system comprising:a first circuit having M channels, wherein M is a positive integer greater or equal to 1;one or more antennas coupled to the first circuit; anda controller comprising a resource scheduler module, the controller configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module.2. The millimeter-wave system of claim 1 , wherein the controller is operable to configure the millimeter-wave system to operate in a first radio-frequency (RF) range when operating the millimeter-wave system as a radar device and in a second RF range when operating the millimeter-wave system as communication device claim 1 , wherein the first RF range and the second RF range are non-overlapping.3. The millimeter-wave system of claim 1 , wherein the controller is configured to operate the millimeter-wave system as a radar device and as a communication device simultaneously by configuring a first portion of the millimeter-wave system as the radar device and a second portion of the millimeter-wave system as the communication device.4. The millimeter-wave system of claim 3 , further comprising a plurality of first circuits claim 3 , each having M channels claim 3 , the plurality of first circuits comprising the first circuit claim 3 , each first circuit of the plurality of first circuits implemented in a respective radio-frequency integrated circuit (RFIC) of a plurality of RFICs.5. The millimeter-wave system of claim 4 , wherein the first portion of the millimeter-wave system comprises a first subset of the plurality ...

System and Method for Radar

In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate. 1. A method of operating a radar system , the method comprising:receiving radar configuration data from a host, the radar configuration data comprising chirp parameters;upon receipt of the radar configuration data, configuring a frequency generation circuit with the chirp parameters;receiving a trigger command from the host; andupon receipt of the trigger command, triggering the frequency generation circuit to perform a frequency ramp based on the chirp parameters, receiving samples from the radar system, and sending the received samples to the host.2. The method of claim 1 , further comprising:receiving a start command from the host;upon receipt of the start command, powering up RF circuitry of the radar system, and enabling receive and transmit antennas of the radar system;receiving a stop command from the host; andupon receipt of the stop command, powering down the RF circuitry.3. The method of claim 2 , further comprising upon receipt of the start command claim 2 , configuring internal routing for sampled data.4. The method of claim 1 , further comprising upon receipt of the trigger command claim 1 , causing an analog to digital converter coupled to receivers of the radar system to start sampling.5. The method of claim 1 , wherein:receiving the radar configuration data from the host comprises receiving the radar configuration data from the host via a data communication interface; andsending the received samples to the host comprises sending the received samples to the host via the data ...

Radar Systems and Methods of Operation Thereof

A method of operating a radar system includes transmitting a plurality of transmitted radio frequency (RF) signals by a plurality of directional antennas. The plurality of directional antennas is disposed on a planar surface of a substrate. Each of the plurality of antennas is in a fixed orientation and position on the planar surface. A respective individual coverage of each of the plurality of directional antennas is less than 360°. A combined coverage of the plurality of transmitted RF signals completely covers a 360° region surrounding the radar system. The method also includes receiving a reflected RF signal by a directional antenna of the plurality of directional antennas. 1. A method of operating a radar system , the method comprising: the plurality of directional antennas is disposed on a planar surface of a substrate,', 'each of the plurality of antennas is in a fixed orientation and position on the planar surface,', 'a respective individual coverage of each of the plurality of directional antennas is less than 360°, and', 'a combined coverage of the plurality of transmitted RF signals completely covers a 360° region surrounding the radar system; and, 'transmitting, by a plurality of directional antennas, a plurality of transmitted radio frequency (RF) signals, wherein'}receiving, by a directional antenna of the plurality of directional antennas, a reflected RF signal.2. The method of claim 1 , further comprisingdetecting, by RF circuitry disposed on the substrate, an object located in the 360° region according to the reflected RF signal.3. The method of claim 1 , further comprising the radar subsystem comprises one or more additional antennas disposed on the planar surface,', 'each of the one or more additional antennas comprises a broadside radiation pattern,', 'each of the plurality of transmitted RF signals comprises respective primary lobes directed parallel to the planar surface;', 'each of the one or more additional transmitted RF signals comprise one ...

Radio Frequency Systems Integrated with Displays and Methods of Formation Thereof

A radio frequency (RF) device includes a display screen and a flexible substrate. The display screen is configured to transmit visible light at a first side of the display screen. The flexible substrate includes a first portion overlapping the first side, and a second portion overlapping an opposite second side of the display screen. The RF device further includes a plurality of antennas disposed over the first portion of the flexible substrate and the first side, and a transmission line disposed on a bent region of the flexible substrate between the first and second portions. The plurality of antennas is configured to transmit/receive RF signals on the first side of the display screen. The display screen is opaque to the RF signals. The transmission line is configured to propagate the RF signals between the first portion and the second portion on the opposite second side of the display screen. 1. A radio frequency (RF) device , comprising:a display screen comprising a first side and an opposite second side, the display screen being configured to transmit visible light at the first side of the display screen;a flexible substrate comprising a first portion overlapping the first side of the display screen, and a second portion overlapping the opposite second side of the display screen;a plurality of antennas disposed over the first portion of the flexible substrate and the first side of the display screen, the plurality of antennas being configured to transmit/receive RF signals on the first side of the display screen, the display screen being opaque to the RF signals; anda transmission line disposed on a bent region of the flexible substrate between the first portion and the second portion, the transmission line being configured to propagate the RF signals between the first portion and the second portion on the opposite second side of the display screen.2. The RF device of claim 1 , wherein the display screen is a liquid crystal display (LCD) screen.3. The RF device ...

Radio frequency system for wearable device

A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer.

Methods of evaluating radar devices and radar devices

According to a first aspect, a method for testing a radar device including a master radar device and a slave radar device is provided, comprising moving a target through a field of view of the radar device and measuring the angle of a target with the radar device at a plurality of positions. The reliability of the measured angles is evaluated, and than the method includes specifying a usable field of view based on the evaluating or specifying a number of repetitions for measurements needed. In another aspect, a radar device is provided.

User authentication using mm-wave sensor for automotive radar systems

In an embodiment, a method for authenticating a user of a car includes: transmitting a plurality of radiation pulses through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar; receiving a reflected signal from the portion of the hand using the millimeter-wave radar; generating a fingerprint signature based on the reflected signal; comparing the fingerprint signature to a database of authorized fingerprint signatures; and authorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database of authorized fingerprint signatures.

Liquid detection using millimeter-wave radar sensor

A device includes: a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, where N is an integer number greater than one; and a processor configured to: generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, where the 2D radar image includes azimuth and range information, generate a multi-dimensional data structure based on the 2D radar image using a transform function, compare the multi-dimensional data structure with a reference multi-dimensional data structure, and determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure.

System and method for vital signal sensing using a millimeter-wave radar sensor

A method of measuring vital signals using a millimeter-wave radar sensor system includes performing a first set of radar measurements using a millimeter-wave radar sensor to produce a first set of radar data; determining a first set of range gate measurements from the first set of radar data; determining high response range gates from the first set of range gate measurements; and extracting vital signal information from the high response range gates.

System and method for radar

In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.

Human detection and identification in a setting using millimeter-wave radar

A method for human detection includes: receiving first and second echo signals using a millimeter-wave radar to produce first and second sets of data, respectively; selecting first and second angles based on the first and second sets of data, respectively; performing a FrFT on the first set of data using the first angle; identifying first targets by comparing peaks of the FrFT of the first set of data with a first threshold; performing a FrFT on the second set of data using the second angle; identifying second targets by comparing peaks of the FrFT of the second set of data with the first threshold; generating a set of target tracks based on the identified first and second targets; and associating a target track with a human track based on comparing each target track of the set of target tracks with a set of reference track signatures.

Semiconductor device including an antenna

A semiconductor device includes a semiconductor chip and a redistribution layer on a first side of the semiconductor chip. The redistribution layer is electrically coupled to the semiconductor chip. The semiconductor device includes a dielectric layer and an antenna on the dielectric layer. The dielectric layer is between the antenna and the semiconductor chip.

FMCW radar integration with communication system

In an embodiment, a millimeter-wave system includes a first circuit having M channels, one or more antennas coupled to the first circuit, and a controller that includes a resource scheduler module. The controller is configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module.

Dual-sided radar systems and methods of formation thereof

A radar system includes a substrate that includes a first surface and a second surface. The first surface is opposite the second surface. The radar system further includes transmitter front-end circuitry attached to the substrate and configured to transmit a transmitted radio frequency (RF) signal in a first direction away from the first surface and in a second direction away from the second surface. The radar system also includes a first receive antenna and a second receive antenna. The first receive antenna is disposed at the first surface and is configured to receive a first reflected RF signal propagating in the second direction and generated by the transmitted RF signal. The second receive antenna is disposed at the second surface and is configured to receive a second reflect RF signal propagating in the first direction and generated by the transmitted RF signal.

Semiconductor device with embedded flexible circuit

A semiconductor device includes a substrate comprising an antenna and a conductive feature; an integrated circuit (IC) die attached to the substrate and comprising a radio frequency (RF) circuit; and a flexible circuit integrated with the substrate, where the flexible circuit is electrically coupled to the IC die and the substrate, a first portion of the flexible circuit being disposed between opposing sidewalls of the substrate, a second portion of the flexible circuit extending beyond the opposing sidewalls of the substrate, the second portion of the flexible circuit comprising an electrical connector at a distal end.

Antenna Apparatus and Fabrication Method

A semiconductor device includes a semiconductor die comprising a radio frequency (RF) circuit, a first dielectric layer disposed over a first surface of the semiconductor die, an antenna layer disposed over a surface of the first dielectric layer, and an antenna feeding structure coupling the antenna layer to the RF circuit of the semiconductor die, wherein the semiconductor die comprises a via, and the antenna feeding structure comprises a first portion arranged within the opening of the semiconductor die and extending to the first surface of the semiconductor die, and a second portion arranged through the first dielectric layer.

HF-System mit einer HFIC und einem Antennensystem

Gemäß einer Ausführungsform umfasst eine eingehauste Hochfrequenz-(HF-)Schaltung eine integrierte Hochfrequenzschaltung (HFIC), die auf einem Substrat angeordnet ist, das eine Vielzahl an Empfangsschaltungen, die mit Empfangsanschlüssen an einer ersten Kante der HFIC gekoppelt sind, und eine erste Sendeschaltung, die mit einem ersten Sendeanschluss an einer zweiten Kante der HFIC gekoppelt ist, aufweist. Die eingehauste HF-Schaltung umfasst außerdem ein Empfangsantennensystem, das auf dem Gehäusesubstrat angrenzend an die erste Kante der HFIC angeordnet ist, und eine erste Sendeantenne, die auf dem Gehäusesubstrat angrenzend an die zweite Kante der HFIC angeordnet ist und mit dem ersten Sendeanschluss der HFIC elektrisch gekoppelt ist. Das Empfangsantennensystem umfasst eine Vielzahl an Empfangsantennenelementen, die jeweils mit einem entsprechenden Empfangsanschluss elektrisch gekoppelt sind.

Antenna in package production test

A test assembly for testing an antenna-in-package (AiP) device includes a socket over a circuit board, where the socket includes an opening for receiving the AiP device; a plunger configured to move along sidewalls of the opening, where during testing of the AiP device, the plunger is configured to cause the AiP device to be pressed towards the circuit board such that the AiP device is operatively coupled to the circuit board via input/output connections of the AiP device and of the circuit board; and a loadboard disposed within the socket and between the plunger and the AiP device, where the loadboard includes a coupling structure configured to be electromagnetically coupled to a transmit antenna and to a receive antenna of the AiP device, so that testing signals transmitted by the transmit antenna are conveyed to the receive antenna externally relative to the AiP device through the coupling structure.

Antenna-in-package production test

A test assembly for testing an antenna-in-package (AiP) device (150) includes a socket (261) over a circuit board (270), where the socket includes an opening (260) for receiving the AiP device; a plunger (263) configured to move along sidewalls of the opening, where during testing of the AiP device, the plunger is configured to cause the AiP device to be pressed towards the circuit board such that the AiP device is operatively coupled to the circuit board via input/output connections of the AiP device and of the circuit board; and a loadboard (250) disposed within the socket and between the plunger and the AiP device, where the loadboard includes a coupling structure configured to be electromagnetically coupled to a transmit antenna (143) and to a receive antenna (145) of the AiP device, so that testing signals transmitted by the transmit antenna are conveyed to the receive antenna externally relative to the AiP device through the coupling structure.

System and method for occupancy detection using a millimeterwave radar sensor

System and method for human behavior modelling and power control using a millimeter-wave radar sensor

System and method for vital signal sensing using a millimeter-wave radar sensor

Apparatus for vital signal sensing using a millimeter-wave radar sensor

A system includes a millimeter-wave radar sensor disposed on a circuit board, a plurality of antennas coupled to the millimeter-wave radar sensor and disposed on the circuit board, and a processing circuit coupled to the millimeter-wave radar sensor and disposed on the circuit board. The processing circuit is configured to determine vital signal information based on output from the millimeter-wave radar sensor.

Antenna package and method of formation thereof

A semiconductor system includes a semiconductor chip comprising a RF circuit, a buffer layer over the RF circuit and a plurality of bumps over the buffer layer, wherein the plurality of bumps comprising at least one functional bump electrically connected to the RF circuit, and at least one dummy bump which is maintained at a distance from the RF circuit and prevented from being electrically connected to the RF circuit by the buffer layer, a conductive layer disposed over the semiconductor chip and coupled to the plurality of bumps through a plurality of vias, a feedline structure disposed over the conductive layer, wherein the feedline structure is electrically coupled to the RF circuit, and a plurality of antennas disposed over the feedline structure, wherein at least one antenna of the plurality of antennas is coupled to the RF circuit through the feedline structure.

Antenna package with via structure and method of formation thereof

A semiconductor device comprises a semiconductor chip comprising a radio frequency (RF) circuit, a feedline structure coupled to the RF circuit, and an antenna structure comprising a main body stretching along a direction orthogonal to at least one side of a front side and a backside of the semiconductor device, wherein the antenna structure is coupled to the RF circuit through the feedline structure.

Antenna-in-package device with chip embedding technologies

A semiconductor device includes: a dielectric substrate; an integrated circuit (IC) die disposed inside an opening of the dielectric substrate, where the IC die is configured to transmit or receive radio frequency (RF) signals; a dielectric material in the opening of the dielectric substrate and around the IC die; a redistribution structure along a first side of the dielectric substrate, where a first conductive feature of the redistribution structure is electrically coupled to the IC die; a second conductive feature along a second side of the dielectric substrate opposing the first side; a via extending through the dielectric substrate, where the via electrically couples the first conductive feature and the second conductive feature; and an antenna at the second side of the dielectric substrate, where the second conductive feature is electrically or electromagnetically coupled to the antenna.

Integration of ebg structures (single layer/multi-layer) for isolation enhancement in multilayer embedded packaging technology at mmwave

A packaged radar includes laminate layers, a ground plane associated with at least one of the laminate layers, a transmit antenna and a receive antenna associated with at least one of the laminate layers, and an electromagnetic band gap structure between the transmit antenna and the receive antenna for isolating the transmit antenna and the receive antenna, the electromagnetic band gap structure including elementary cells forming adjacent columns each coupled to the ground plane, and each elementary cell including a conductive planar element and a columnar element coupled to the conductive planar element.

Position tracking with multiple sensors

A method of tracking an object is disclosed, including predicting a predicted state, in a global coordinate space, of an object based on a state of the object; determining in local coordinates the predicted state; determining a plurality of measurements of the object, in the local coordinates, with first and/or second radar sensors; determining a matching of the predicted state and the plurality of measurements, in the local coordinates, for a matching result; updating the state X of the object based on the matching result. The first and second sensors can be along perpendicular lines which intersect at the origin of the global coordinate space. Herein is disclosed a device including a plurality of sensors and a processor that is configured to execute the method.

Multimode Communication and Radar System Resource Allocation

A wireless multimode system includes: an array of N antenna elements that includes a first portion of M antenna elements and a second portion of L antenna elements; M transmission amplifiers configured to transmit, via the M antenna elements, frames of transmit data, where the frames of transmit data include transmit radar signals and transmit communication signals; M reception amplifiers configured to receive, via the M antenna elements, frames of receive data, where the frames of receive data includes receive communication signals; and L reception amplifiers configured to receive, via the L antenna elements, receive radar signals; and a resource scheduler configured to allocate bandwidth for transmit radar signals and transmit communication signals within the frames of transmit data based on one or more predetermined parameters.

System and method for radar

In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.

Multimode communication and radar system resource allocation

A wireless multimode system includes: an array of N antenna elements that includes a first portion of M antenna elements and a second portion of L antenna elements; M transmission amplifiers configured to transmit, via the M antenna elements, frames of transmit data, where the frames of transmit data include transmit radar signals and transmit communication signals; M reception amplifiers configured to receive, via the M antenna elements, frames of receive data, where the frames of receive data includes receive communication signals; and L reception amplifiers configured to receive, via the L antenna elements, receive radar signals; and a resource scheduler configured to allocate bandwidth for transmit radar signals and transmit communication signals within the frames of transmit data based on one or more predetermined parameters.

Antenna in package arrangement

In an embodiment, a device includes: a first support structure having a main surface and an edge surface; a screen covering the first support structure and having a main surface and an edge surface; a glass covering the screen; a frame; and a package electrically coupled to the first support structure via a connector, the package including a radio-frequency integrated circuit (RFIC) and a laminate that has a plurality of interconnect levels including an end-fire antenna configured to direct a first millimeter-wave radiation beam through the glass, and a patch antenna configured to direct a second millimeter-wave radiation beam through the frame, where the screen partially covers the laminate.

Radio frequency systems integrated with displays and methods of formation thereof

A radio frequency (RF) device includes a display screen and a flexible substrate. The display screen is configured to transmit visible light at a first side of the display screen. The flexible substrate includes a first portion overlapping the first side, and a second portion overlapping an opposite second side of the display screen. The RF device further includes a plurality of antennas disposed over the first portion of the flexible substrate and the first side, and a transmission line disposed on a bent region of the flexible substrate between the first and second portions. The plurality of antennas is configured to transmit/receive RF signals on the first side of the display screen. The display screen is opaque to the RF signals. The transmission line is configured to propagate the RF signals between the first portion and the second portion on the opposite second side of the display screen.

Antenna apparatus and fabrication method

A semiconductor device includes a semiconductor die comprising a radio frequency (RF) circuit, a first dielectric layer disposed over a first surface of the semiconductor die, an antenna layer disposed over a surface of the first dielectric layer, and an antenna feeding structure coupling the antenna layer to the RF circuit of the semiconductor die, wherein the semiconductor die comprises a via, and the antenna feeding structure comprises a first portion arranged within the opening of the semiconductor die and extending to the first surface of the semiconductor die, and a second portion arranged through the first dielectric layer.

Multifunctional radar systems and methods of operation thereof

Dual-sided radar systems and methods of formation thereof

A method of forming a radar system includes forming a first receive antenna and a first ground plane region by patterning a first conductive layer on a first surface of a first laminate layer of a radar package, forming a transmit antenna and a second ground plane region by patterning a second conductive layer on a second surface of the first laminate layer, forming a second laminate layer of the radar package over the second conductive layer, forming a third conductive layer over the second laminate layer, forming a second receive antenna by patterning the third conductive layer, and attaching a radio frequency integrated circuit chip to the radar package. The radio frequency integrated circuit chip is coupled to the transmit antenna, the first receive antenna, and the second receive antenna. The second surface is opposite the first surface.

Target detection in rainfall and snowfall conditions using mmwave radar

Fmcw radar integration with communication system

In an embodiment, a millimeter-wave system includes a first circuit having M channels, one or more antennas coupled to the first circuit, and a controller that includes a resource scheduler module. The controller is configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module.

Fmcw radar integration with communication system

In an embodiment, a millimeter-wave system includes a first circuit having M channels, one or more antennas coupled to the first circuit, and a controller that includes a resource scheduler module. The controller is configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module.

Gesture detection system and method using radar sensors

Halbleitervorrichtung, die eine Antenne enthält

Eine Halbleitervorrichtung enthält einen Halbleiterchip und eine Umverteilungsschicht auf einer ersten Seite des Halbleiterchips. Die Umverteilungsschicht ist mit dem Halbleiterchip elektrisch gekoppelt. Die Halbleitervorrichtung enthält eine Dielektrikumschicht und eine Antenne auf der Dielektrikumschicht. Die Dielektrikumschicht ist zwischen der Antenne und dem Halbleiterchip.

Multimode communication and radar system resource allocation

A wireless multimode system includes: an array of N antenna elements that includes a first portion of M antenna elements and a second portion of L antenna elements; M transmission amplifiers configured to transmit, via the M antenna elements, frames of transmit data, where the frames of transmit data include transmit radar signals and transmit communication signals; M reception amplifiers configured to receive, via the M antenna elements, frames of receive data, where the frames of receive data includes receive communication signals; and L reception amplifiers configured to receive, via the L antenna elements, receive radar signals; and a resource scheduler configured to allocate bandwidth for transmit radar signals and transmit communication signals within the frames of transmit data based on one or more predetermined parameters.

Hochfrequenzsystem und Verfahren für tragbare Vorrichtung

Hochfrequenz (Radio Frequency, RF)-System, umfassend: einen Die (301) einer integrierten RF-Schaltung (Integrated Circuit, IC), der RFIC-Die (301) umfassend: eine erste Sendeschaltung (TX1); eine zweite Sendeschaltung (TX2); eine erste Empfangsschaltung (RX1); eine zweite Empfangsschaltung (RX4); eine dritte Empfangsschaltung (RX3); eine vierte Empfangsschaltung (RX2); und eine Steuerschaltung (307), die mit der ersten Sendeschaltung (TX1), der zweiten Sendeschaltung (TX2), der ersten Empfangsschaltung (RX1) und der zweiten Empfangsschaltung (RX4) gekoppelt ist; eine erste Antenne (305b), die unter Verwendung einer ersten Kopplungsstruktur (303a) mit der ersten Sendeschaltung (TX1) und der ersten Empfangsschaltung (RX1) gekoppelt ist, wobei die Steuerschaltung (307) ausgelegt ist, in einem ersten Betriebsmodus die erste Sendeschaltung (TX1) zu aktivieren und die erste Empfangsschaltung (RX1) zu deaktivieren; eine zweite Antenne (305d), die unter Verwendung einer zweiten Kopplungsstruktur (303b) mit der zweiten Sendeschaltung (TX2) und der zweiten Empfangsschaltung (RX4) gekoppelt ist, wobei die Steuerschaltung (307) ausgelegt ist, in einem zweiten Betriebsmodus die zweite Sendeschaltung (TX2) zu aktivieren und die zweite Empfangsschaltung (RX4) zu deaktivieren; eine dritte Antenne (305a), die mit der dritten Empfangsschaltung (RX3) gekoppelt ist; und eine vierte Antenne (305c), die mit der vierten Empfangsschaltung (RX2) gekoppelt ist.

System and method for controlling access to a trunk of a vehicle using a radar sensor

Antenna in Package Production Test

A test assembly for testing an antenna-in-package (AiP) device includes a socket over a circuit board, where the socket includes an opening for receiving the AiP device; a plunger configured to move along sidewalls of the opening, where during testing of the AiP device, the plunger is configured to cause the AiP device to be pressed towards the circuit board such that the AiP device is operatively coupled to the circuit board via input/output connections of the AiP device and of the circuit board; and a loadboard disposed within the socket and between the plunger and the AiP device, where the loadboard includes a coupling structure configured to be electromagnetically coupled to a transmit antenna and to a receive antenna of the AiP device, so that testing signals transmitted by the transmit antenna are conveyed to the receive antenna externally relative to the AiP device through the coupling structure.

Radio frequency device packages and methods of formation thereof

Integration of ebg structures (single layer/multi-layer) for isolation enhancement in multilayer embedded packaging technology at mmwave

Antenna in package arrangement

In an embodiment, a device includes: a first support structure having a main surface and an edge surface; a screen covering the first support structure and having a main surface and an edge surface; a glass covering the screen; a frame; and a package electrically coupled to the first support structure via a connector, the package including a radio-frequency integrated circuit (RFIC) and a laminate that has a plurality of interconnect levels including an end-fire antenna configured to direct a first millimeter-wave radiation beam through the glass, and a patch antenna configured to direct a second millimeter-wave radiation beam through the frame, where the screen partially covers the laminate.

Antenna in Package Arrangement

In an embodiment, a device includes: a first support structure having a main surface and an edge surface; a screen covering the first support structure and having a main surface and an edge surface; a glass covering the screen; a frame; and a package electrically coupled to the first support structure via a connector, the package including a radio-frequency integrated circuit (RFIC) and a laminate that has a plurality of interconnect levels including an end-fire antenna configured to direct a first millimeter-wave radiation beam through the glass, and a patch antenna configured to direct a second millimeter-wave radiation beam through the frame, where the screen partially covers the laminate.