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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 19. Отображено 19.
19-06-2018 дата публикации

로봇의 상대 위치 추정을 위한 기준노드 선택 방법

Номер: KR0101857361B1
Автор: 권대훈, 최형석, 함재현, 하태진, 김선용, 박선영
Принадлежит: 국방과학연구소

... 본 발명의 일 실시예에서는 무선 네트워크 환경에서 Multidimensional Scaling(MDS) 기법 기반 노드들 간의 상대위치 추정을 위한 기준노드 선택 방법에 있어서, 노드간 거리를 측정하는 단계, 노드간의 연결성(Connectivity) 정보를 분석하는 단계, 전체 노드 중 기준 노드를 선정하는 단계, 기준노드로부터 상대위치 지도를 구성하는 단계, 상대위치 지도 기반 전체 노드의 상대위치 추정 단계를 포함하는 기준노드 선택 방법을 개시한다.

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Номер записи: 1
06-12-2017 дата публикации

APPARATUS AND METHOD FOR REALIZING CSS BY USING MULTIPLE LINEAR CHIRPS

Номер: KR101805315B1
Автор: LEE, JAE SEANG, HAN, MYOUNG HUN, KIM, YONG SIN, HAM, JAE HYUN, KIM, KWANG YUL, LEE, SEUNG WOO, KIM, JIN YOUNG, SHIN, YO AN
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a chirp spread spectrum (CSS) system technology. More specifically, the present invention relates to an apparatus and a method for realizing a CSS considering a cross-correlation generated between sub-chirps as well as an order and a band of the sub-chirps to increase the number of users of an institute of electrical and electronics engineers (IEEE) 802.15.4a CSS. The apparatus comprises: a detection unit; a combination unit; and a transmission unit. COPYRIGHT KIPO 2017 ...

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Номер записи: 2
30-11-2018 дата публикации

저피탐을 위한 2중 랜덤 키 공유 기반 주파수 도약 확산 장치 및 방법

Номер: KR0101924265B1
Автор: 이재생, 김용신, 한명훈, 함재현, 황유민, 홍승관, 김진영, 신요안
Принадлежит: 국방과학연구소

... 본 발명은 주파수 도약 확산 기술에 관한 것으로서, 더 상세하게는 신호 복호 복잡도를 향상하며, 신호의 도청에 따른 시간이 저피탐(low probability of intercept) 성능을 향상시키는 주파수 도약 확산 장치 및 방법에 대한 것이다. 본 발명에 따르면, 2차 부채널의 랜덤 키 조합(symbol sequence)을 통해 복호 복잡도가 매 데이터 심볼(symbol) 마다 기하 급수적으로 향상될 수 있다.

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Номер записи: 3
16-04-2018 дата публикации

그래프 컬러링 및 매칭 기반의 편파 및 주파수 자동지정 방법

Номер: KR0101849002B1
Автор: 박휘성, 함재현, 이재생, 이은형
Принадлежит: 국방과학연구소

... 본 발명은 군 무선 통신망 설계에 있어서, 그래프 컬러링과 매칭을 기반으로 하여 점 대 점 통신을 하는 링크 장비의 안테나 편파와 주파수를 자동지정 하는 방법에 관한 것이다.

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Номер записи: 4
24-10-2018 дата публикации

METHOD FOR CORRECTING POSITION INFORMATION THROUGH COOPERATION AMONG PLURALITY OF TERMINALS AND SYSTEM THEREOF

Номер: KR1020180115909A
Автор: LEE, JAE SEANG, KIM, YONG SIN, CHOI, HYUNG SEOK, HAM, JAE HYUN, KWON, DAE HOON, HAN, MYONG HUN
Принадлежит:

The present invention relates to a position information correction technique for a terminal and, more particularly, to a method for correcting position information through cooperation between a plurality of terminals and a system thereof. According to the present invention, a correction degree is determined according to the reliability of a global positioning system (GPS) and the accuracy of the position information can be increased through a simple vector operation and distance information among the terminals. The method includes the steps of: calculating a GPS coordinate reference distance of each terminal; calculating an actual measurement distance between the terminals; calculating a correction value between the terminals; calculating a final correction value; and correcting the GPS position information of each terminal. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S110) Calculating a GPS coordinate reference distance of each terminal (S120) Calculating a measurement distance between the ...

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Номер записи: 5
28-02-2018 дата публикации

METHOD FOR AUTOMATICALLY ASSIGNING FREQUENCY AND POLARIZATION BASED ON GRAPH COLORING AND MATCHING

Номер: KR1020180020772A
Автор: PARK, HWI SUNG, HAM, JAE HYUN, LEE, JAE SEANG, LEE, EUN HYOUNG
Принадлежит:

The present invention relates to a method for automatically assigning a frequency and polarization of an antenna of link equipment for performing point-to-point communication based on graph coloring and matching in the design of a military wireless communication network. The method for assigning a frequency and polarization according to the present invention includes the steps of: configuring a net filter discrimination (NFD) graph; assigning a color; assigning the polarization and integrating the color; and assigning the frequency in each communication link. Accordingly, the present invention can additionally maximize the frequency performance by efficiently assigning the polarization. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S100) Graph configuration (S200) Max Clique search (S400) Matching search (S500) Polarized assignment and color integration (S600) Frequency designation ...

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Номер записи: 6
13-02-2019 дата публикации

다수 단말간 협력을 통한 위치 정보 보정 방법 및 시스템

Номер: KR0101947897B1
Автор: 이재생, 김용신, 최형석, 함재현, 권대훈, 한명훈
Принадлежит: 국방과학연구소

... 본 발명은 단말의 위치 정보 보정 기술에 관한 것으로서, 더 상세하게는 다수 단말간 협력을 통한 위치정보 보정 방법 및 시스템에 대한 것이다. 본 발명에 따르면, GPS(Global Positioning System)의 신뢰도에 따라 보정정도를 정하고, 단말간 거리 정보와 간단한 벡터 연산을 통해 위치 정보의 정확도를 향상시킬 수 있다.

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Номер записи: 7
09-09-2016 дата публикации

METHOD AND APPARATUS FOR ALLOCATING HYBRID FREQUENCY AUTOMATICALLY WITH PROBABILISTIC SELECTION

Номер: KR101652698B1
Автор: HAM, JAE HYUN, PARK, HWI SUNG, PARK, JAE DON, LEE, EUN HYOUNG, LEE, HYUNG JOO
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a frequency allocation technology of link equipment performing point-to-point communication and, more specifically, to a method and to an apparatus for allocating hybrid frequency automatically for shortening computational complexity within a limited bandwidth and operation time of an algorithm and increasing frequency reuse rate. COPYRIGHT KIPO 2016 (AA) Start (BB) End (S310) Configuring a graph (S313) Generating a COG frequency designating order (S315) Generating an HEDGE frequency designating order (S320) Number of non-designated nodes > P_H? (S330) Selecting a top priority node group and a second-best node group in the COG frequency designating order (S340) Selecting a top priority node and a second-best node in the HEDGE frequency designating order (S350) Shuffling an order? (S360) Designating a frequency (S370) Mixing a frequency designating order part (S380) Completing designation?

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Номер записи: 8
11-06-2018 дата публикации

FREQUENCY HOPPING SPREAD APPARATUS AND METHOD BASED ON DOUBLE RANDOM KEY SHARING FOR LOW PROBABILITY OF INTERCEPT

Номер: KR1020180062694A
Автор: LEE, JAE SEANG, KIM, YONG SIN, HAN, MYOUNG HUN, HAM, JAE HYUN, HWANG, YU MIN, HONG, SEUNG GWAN, KIM, JIN YOUNG, SHIN, YO AN
Принадлежит:

The present invention relates to a frequency hopping spread technology. More specifically, the present invention relates to an apparatus and a method of frequency hopping spread to improve signal decoding complexity and to improve the performance of a low probability of intercept by time through signal wiretapping. According to the present invention, the decoding complexity can be exponentially improved by each data symbol through a random key combination (symbol sequence) of a secondary sub channel. COPYRIGHT KIPO 2018 (110) Pseudo random code generator (120) Frequency table (130) Symbol code generator (140) Symbol table (150) Frequency synthesizer ...

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Номер записи: 9
04-06-2015 дата публикации

HIGH-SPEED RADIO TRANSMISSION METHOD BASED ON CHIRP SPREAD SPECTRUM MODULATION AND HIGH-SPEED RADIO TRANSMISSION SYSTEM

Номер: KR1020150061308A
Автор: PARK, JU MAN, KO, JONG HWAN, HAM, JAE HYUN, CHOI, JEUNG WON, LEE, KYUNG KUK
Принадлежит:

The present invention relates to a high-speed radio transmission system based on a chirp spread spectrum (CSS) modulation. The present invention includes a first mapping unit which uses a 16-ary binary-to-bipolar symbol mapping table to generate 16 code-words and have a code-rate which is one to use user data of eight bits per a full chirp signal. Thereby, the present invention performs the high-speed data transmission of 1.33 Mbps and maintains physical properties with the strength of a distance ranging by using the 16-ary binary-to-bipolar symbol mapping table whose code-rate is one. COPYRIGHT KIPO 2015 ...

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Номер записи: 10
06-03-2018 дата публикации

METHOD OF SELECTING REFERENCE NODE FOR ESTIMATION OF RELATIVE POSITION OF ROBOT

Номер: KR1020180022286A
Автор: KWON, DAE HOON, CHOI, HYUNG SEOK, HAM, JAE HYUN, HA, TAE JIN, KIM, SUN YONG, PARK, SUN YOUNG
Принадлежит:

According to an embodiment of the present invention, provided is a method of selecting a reference node for the estimation of a relative position between nodes based on a multidimensional scaling (MDS) technique in a wireless network environment, wherein the method includes the steps of: measuring a distance between the nodes; analyzing connectivity information between the nodes; selecting a reference node among all the nodes; constructing a relative position map from the reference node; and estimating the relative position of all the nodes based on the relative position map. COPYRIGHT KIPO 2018 ...

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Номер записи: 11
29-05-2017 дата публикации

METHOD AND APPARATUS FOR AUTOMATICALLY DESIGNATING POLARIZATION OF FDD SYSTEM EQUIPMENT IN TERRESTRIAL BACKBONE NETWORK

Номер: KR101740897B1
Автор: PARK, HWI SUNG, HAM, JAE HYUN, LEE, JAE SEANG, LEE, EUN HYOUNG, PARK, JAE DON
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a frequency division duplex (FDD) system technology, and more particularly, to a method and apparatus for automatically designating the polarization of FDD system equipment in a terrestrial backbone network. The method according to the present invention includes the steps of: generating a graph; generating a polarization designation order; and designating horizontal polarization or vertical polarization. The apparatus according to the present invention includes a receiver, a graph generating unit which generates the graph, an order generating unit which generates the polarization designation order, and a designating unit which designates the horizontal polarization or the vertical polarization. Accordingly, the present invention can efficiently use a limited frequency resource. COPYRIGHT KIPO 2017 (AA) Start (B1,B1,B3,B4,B5,B6) FALSE (C1,C2,C3,C4,C5,C6) TRUE (DD) Check that polarization is designed at a k^th tip (EE) Number of vertical polarization = Number ...

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Номер записи: 12
10-09-2018 дата публикации

METHOD FOR SETTING PATH OF MOBILE AD-HOC NETWORK AND NETWORK SYSTEM USING SAME

Номер: KR101897404B1
Автор: KWON, DAE HOON, HAM, JAE HYUN, CHOI, HYUNG SEOK, LEE, KYUNG KUK, CHOE, SHIN HYEONG
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a method for setting a path of a mobile ad-hoc network, and a network system using the same. According to an embodiment of the present invention, the method for setting a path of a mobile ad-hoc network comprises the following steps. A control node checks a communication available node group positioned within a communication available range of each mobile node. Each mobile node generates a search list to measure a distance and the communication quality by the communication quality and the number of hops based on the communication available node group. Each node measures a distance and the communication quality for a node included in the search list. The control node determines an optimal path by generating and updating a topology table by a measured result. COPYRIGHT KIPO 2018 (AA) Control node (BB) Mobile node (S101) Collect relative position information (S102) Transmit the relative position information (S103) Check a communication available node group ...

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Номер записи: 13
25-06-2018 дата публикации

TIME SLOT ASSIGNING METHOD OF TDMA BASED MULTIPLE HOP UNMANNED ROBOT SYSTEM

Номер: KR1020180069300A
Автор: KWON, DAE HOON, CHOI, HYUNG SEOK, HAM, JAE HYUN, KIM, JAE BEOM, KO, YOUNG BAE, KIM, DA BIN
Принадлежит:

The present invention relates to a time slot assigning method of a TDMA based multiple hop unmanned robot system comprising: a step of allowing a plurality of mobile terminals constituting an unmanned robot system to generate and collect necessary information for requesting data transmission slot assignment to a remote control device; a step of allowing the mobile terminals to generate a control message for requesting the slot assignment and to transmit the generated control message to the remote control device; and a step of assigning a data transmission slot by considering bi-directional traffic transmission of the mobile terminals in the remote control device. The present invention guarantees performance of the unmanned robot system by efficient dynamic slot assignment which considers sequential transmission of bi-directional traffic in the unmanned robot system in which QoS of the bi-directional traffic should be guaranteed. COPYRIGHT KIPO 2018 (0) Control station (AA) Pair of uplink ...

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Номер записи: 14
29-01-2018 дата публикации

AJ/LPI INCREASE SYSTEM FOR WIRELESS COMMUNICATION SYSTEM

Номер: KR101822755B1
Автор: LEE, JAE SEANG, KIM, YONG SIN, HAN, MYOUNG HUN, HAM, JAE HYUN, KIM, KWANG YUL, LEE, SEUNG WOO, KIM, JIN YOUNG, SHIN, YO AN
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to wireless communication system technology and, more specifically, relates to anti-jamming and low probability of intercept (AJ/LPI) increase system and method to improve AJ/LPI performance. According to the present invention, when assuming that a hostile army has a receiver and transmitter based on chirp to intercept or disturb signals of a friendly army, it is possible to increase AJ/LPI performance in consideration of chirp rate sensitivity of a chirp spread spectrum (CSS) system. COPYRIGHT KIPO 2018 (680) Determination unit ...

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Номер записи: 15
04-09-2017 дата публикации

DEVICE AND METHOD FOR IDENTIFYING LOS OR NLOS CHANNEL IN WIRELESS COMMUNICATION SYSTEM

Номер: KR101774153B1
Автор: LEE, JAE SEANG, PARK, JU MAN, HAM, JAE HYUN, SONG, YU CHAN, KIM, JIN YOUNG, SHIN, YO AN
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a device and a method for identifying a line-of-sight (LOS) or a non-LOS (NLOS) channel in a wireless communication system. The device for identifying an LOS or an NLOS channel in a wireless communication system comprises: a data receiving part receiving a packet transmitted from a base station to a mobile station; an autocorrelation value calculating part calculating autocorrelation values of the received packets; a channel estimating part primarily estimating a communication channel between the base station and the mobile station by using an autocorrelation value of an i^th received packet and an autocorrelation value of an (i+1)^th received packet among the received packets; and a channel identifying part secondarily identifying the communication channel between the base station and the mobile station by using a round trip time (RTT) of the packet calculated based on a location of the base station and the mobile station. COPYRIGHT KIPO 2017 ...

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Номер записи: 16
28-01-2019 дата публикации

전술망 서비스 메쉬 네트워크에서의 트래픽 제어 시스템 및 그 방법

Номер: KR0101943002B1
Автор: 박주만, 권대훈, 함재현, 김용신, 강문중, 신준식, 김종원
Принадлежит: 국방과학연구소

... 본 발명에 따른 전술망 서비스 메쉬 환경에서의 트래픽 제어 장치는, 네트워크 물리계층을 분할하여 생성한 다수의 가상 네트워크 슬라이스의 각 전술망 메쉬 노드와, 상기 각 전술망 메쉬 노드를 통해 주고받는 모든 트래픽이 경유하도록 각각 설정되며, 기 설정된 트래픽 제어 정책에 의거하여 해당 전술망 메쉬 노드를 경유하는 각 트래픽에 대한 모니터링 및 제어를 각각 수행하는 다수의 프록시와, 하나 이상의 컨트롤러를 포함하며, 해당 컨트롤러가 자신에게 연결된 해당 프록시에게 상기 기 설정된 트래픽 제어 정책을 제공하고, 각 컨트롤러가 자신에게 연결된 각 프록시로부터 트래픽에 대한 모니터링 결과를 수집하는 로지컬 컨트롤 타워를 포함할 수 있다.

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Номер записи: 17
04-01-2018 дата публикации

POSITION SELECTION METHOD OF JAMMER USING JAMMING AREA ANALYSIS

Номер: KR101815387B1
Автор: LEE, JAE SEANG, HAM, JAE HYUN, LEE, EUN HYOUNG, PARK, HWI SUNG
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a position selection method of a jammer. The position selection method includes an analysis area selection step of selecting an area to be jammed by a jammer, a jammer position candidate selection step of selecting a candidate site where the jammer can be located when the analysis area is selected by the analysis area selection step, a step of selecting an analysis condition such as a jammer to be analyzed, an environmental condition, when a jammer position candidate site is selected by the jammer position candidate selection step, and a step of performing analysis according to the analysis condition selected by the step of selecting the analysis condition. According to the present invention, the jamming area analysis is performed using a J/S ratio and terrain information, thereby selecting the optimum position of the jammer. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S10) Select an analysis area (S20) Select a jammer position candidate (S30) Set an analysis ...

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Номер записи: 18
29-03-2023 дата публикации

서비스 기능 체이닝 제어 방법, 장치, 컴퓨터 판독 가능한 기록매체 및 컴퓨터 프로그램

Номер: KR102514520B1
Автор: 김영한, 선경재, 박민호, 함재현
Принадлежит: 국방과학연구소, 숭실대학교산학협력단

... 일 실시예에 따른 서비스 기능 체이닝 제어 시스템에 의해 수행되는 서비스 기능 체이닝 제어 방법은, 모바일 단말에 접속된 네트워크 노드로부터 서비스 체인 식별자 정보에 대한 위치 정보 요청 메시지를 수신하는 단계와, 상기 메시지에 포함된 서비스 체인 식별자 정보에 기초하여 상기 서비스 체인 경로 생성에 사용되는 파라미터를 획득하는 단계와, 상기 획득한 파라미터를 이용하여 상기 모바일 단말에 대한 상기 서비스 체인 경로를 생성하는 단계와, 상기 서비스 체인 경로를 상기 네트워크 노드로 전송하는 단계를 포함할 수 있다.

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Номер записи: 19