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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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Применить Всего найдено 14. Отображено 14.
10-07-2017 дата публикации

FIRING PHASE OCCUPANCY COLLISION SOLVING METHOD IN BIOMIMETIC-BASED DISTRIBUTED WIRELESS RESOURCE ALLOCATION TECHNIQUE

Номер: KR1020170080216A
Автор: HAN, MYOUNG HUN, ROH, BONG SOO, LEE, EUN HYOUNG, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK
Принадлежит:

The present invention relates to a biomimetic-based distributed wireless resource allocation technique. According to the present invention, a firing phase occupancy conflict solving method in a biomimetic-based distributed wireless resource allocation technique includes the steps of: (a) selecting a reference firing phase having an occupiable space of a preset degree based on the phase occupancy information in a received firing message when a novel entry node attempts to occupy the firing phase; (b) calculating the adjustable positions regarding a firing phase next to the reference firing phase and the reference firing phase under an assumption set based on the firing phase occupancy information; and (c) enabling the novel entry node to occupy any firing phase in an occupiable range as the firing phase after setting the space between the adjustable positions as the occupiable range. COPYRIGHT KIPO 2017 (201) Attempt to occupy firing phases (202) New entry? (203) Select a conventional firing ...

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Номер записи: 1
29-03-2018 дата публикации

BIOMIMETIC DISTRIBUTED WIRELESS RESOURCE ALLOCATION SYSTEM USING MULTI-FIRING INFORMATION

Номер: KR101843368B1
Автор: HAN, MYOUNG HUN, ROH, BONG SOO, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a biomimetic distributed wireless resource allocation system for allocating a QoS slot through multi-firing information setup. In the biomimetic distributed wireless resource allocation system which receives an allocated wireless resource by periodically exchanging control messages among a plurality of nodes, each node sets two firing phases, which can be a resource allocation reference, in the control messages to allocate resources of the two firing phases to a slot for QoS data transmission. COPYRIGHT KIPO 2018 (AA) General firing phase (BB) Left-right firing phase (CC) Resource for QoS request data (DD) Resource for general data ...

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Номер записи: 2
04-07-2017 дата публикации

DISTRIBUTED CALL RECEPTION PERMISSION CONTROL METHOD IN TIME DIVISION MULTIPLE ACCESS METHOD IN MOBILE AD-HOC NETWORK

Номер: KR101753681B1
Автор: ROH, BONG SOO, HAN, MYOUNG HUN, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK, KIM, KWANG SOO, ROH, BYEONG HEE
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

According to an embodiment of the present invention, a distributed call reception permission control method includes the steps of: a control time slot (CTS) occupancy determining step of receiving a frame for determining the CPS occupancy information regarding an empty CTS in a predetermined hop unit which can be occupied by a first node; a firing message transmission step of transmitting a firing message by the first node when the first node successfully occupies the CTS without colliding with another node; a network ID comparison step of enabling a second node receiving the firing message to compare network ID information to check whether the network ID information matches the network ID information of participating nodes of a local network when a joint request (JR) flag for displaying the first node being a now participating node on the firing message is set to be one; a first firing message broadcasting step of broadcasting the firing message by setting the JR flag of the new node ID ...

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Номер записи: 3
19-11-2015 дата публикации

APPARATUS AND METHOD FOR LOCALIZATION OF MOBILE NODE

Номер: KR0101570061B1
Автор: 임정민, 성태경, 이광억, 허미정
Принадлежит: 국방과학연구소

... 본 발명은 보다 낮은 오차를 가지는 인접한 앵커(Anchor)들로부터 위치를 측정하기 위한 것으로, 본 발명의 실시 예에 따른 위치 측정 장치는, 주변의 노드들로부터 위치 측정을 위한 정보를 교환하는 통신부와, 상기 주변의 노드들로부터 수신된 정보를 이용하여 위치를 측정하는 위치 측정부와, 누적되는 위치 오차를 표시하기 위해, 초기 위치값으로부터 위치값이 갱신된 횟수를 계산하는 전파도 계산부와, 상기 주변의 노드들 중 적어도 일부로부터 오차 공분산을 산출하기 위한 공분산 산출부, 및, 상기 전파도 계산부의 계산 결과 또는 상기 공분산 산출부의 산출 결과 중 적어도 하나를 이용하여 주변의 노드들 중 적어도 일부를 선택하고, 선택된 노드들로부터 수신되는 정보를 이용하여 현재의 위치를 측정하는 제어부를 포함하는 것을 특징으로 한다.

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Номер записи: 4
08-03-2018 дата публикации

METHOD FOR ALLOCATING RESOURCE USING IMPROVED FIRING MESSAGE IN WIRELESS AD-HOC ENVIRONMENT

Номер: KR101820737B1
Автор: HAN, MYOUNG HUN, ROH, BONG SOO, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK, LEE, JUNG RYUN, CHOI, HYUN HO, JUNG, JI YOUNG, KIM, YOUNG JAE, KONG, EU TTEUM, YU, UI SEONG
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

A method for allocating a weighted desynchronization (W-DESYNC)-based resource using an improved firing message in a wireless ad-hoc environment according to the present invention comprises: a firing determining step of determining whether a specific node among a plurality of nodes fires; a data time slot and hop information transmitting step of the specific node transmitting a range of a data time slot occupied by the specific node and hop information, so that other nodes receive the data time slot and the hop information; and a resource occupying step of the plurality of nodes occupying the resource without waste of the resource due to occupation of neighboring nodes based on the received data time slot and hop information transmission. The method eliminates collision by using slot occupying information of each node and can be allocated data slot without loss of an unnecessary resource. COPYRIGHT KIPO 2018 (S310) Firing determining step (S320) Data time slot and hop information transmitting ...

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Номер записи: 5
10-04-2018 дата публикации

생체모방기반 분산형 무선자원할당 기법에서의 파이어링 페이즈 점유 충돌 해결 방법

Номер: KR0101847390B1
Автор: 한명훈, 노봉수, 이은형, 허미정, 박찬이, 최형석
Принадлежит: 국방과학연구소

... 본 발명은 생체모방기반 분산형 무선자원할당 기법과 관련된 것이다. 본 발명에 따른 생체모방기반 분산형 무선자원할당 기법에서의 파이어링 페이즈 점유 충돌 해결 방법은, 생체모방기반 분산형 무선자원할당 기법에 있어서, (a) 신규 진입 노드에 의한 파이어링 페이즈 점유 시도 시, 수신된 파이어링 메시지 내의 파이어링 페이즈 점유 정보에 근거하여, 기 설정된 정도의 점유 가능 공간을 갖는 기준 파이어링 페이즈를 선택하는 단계; (b) 상기 파이어링 페이즈 점유 정보에 근거하여 설정된 가정 하에서, 상기 기준 파이어링 페이즈 및 상기 기준 파이어링 페이즈의 다음 파이어링 페이즈에 대한 변경 가능한 위치를 산출하는 단계; 및 (c) 상기 변경 가능한 위치 사이의 공간을 점유 가능한 범위로 설정하고, 상기 점유 가능한 범위 내 임의의 파이어링 페이즈를 상기 신규 진입 노드에 의한 파이어링 페이즈로 점유하는 단계;를 포함한다.

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Номер записи: 6
19-10-2017 дата публикации

DISTRIBUTED RADIO RESOURCE ALLOCATION METHOD BASED ON BIOMIMETICS APPLICABLE TO AD-HOC NETWORK ENVIRONMENT

Номер: KR101788196B1
Автор: HAN, MYOUNG HUN, ROH, BONG SOO, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK, LEE, JUNG RYUN, CHOI, HYUN HO, JUNG, JI YOUNG, KIM, YOUNG JAE, KONG, EU TTEUM, YU, UI SEONG
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

A distributed radio resource allocation method based on biomimetics applicable to an ad-hoc network environment according to the present invention comprises: a time synchronization step of receiving a firing message of a neighbor node and performing time synchronization; a control time slot occupation step of selecting one of control time slots not occupied by neighbor nodes within a certain hop based on the received firing message; a firing phase time slot occupation step of selecting one of firing phase time slots not occupied by neighbor nodes within a certain hop based on the received firing message; and a data time slot occupation step of occupying a data time slot of a next superframe based on a reference phase which is first and second firing phase time slots in front and behind of the firing phase time slot and the firing phases of a first node and a second node. The second node is a node occupying the smallest value for the second firing phase time slot. Therefore, time synchronization ...

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Номер записи: 7
18-01-2017 дата публикации

BEAM FORMING METHOD AND APPARATUS FOR SIMULTANEOUSLY SUPPORTING LOCATION ESTIMATION SERVICE AND DATA COMMUNICATION IN DISTRIBUTED ANTENNA SYSTEM

Номер: KR1020170006587A
Автор: LEE, KWANG EOG, HOH, MI JEONG, KANG, JOON HYUK, JEONG, SEONG AH
Принадлежит:

The present invention relates to a beam forming method and apparatus for supporting location estimation service and data communication in a distributed antenna system, which adjust a beam forming vector to minimize power consumption in a communication system, having an asynchronous error occurring between a transmitter transmitting signals and a receiver receiving signals. The beam forming method comprises the steps of: transmitting a first signal to a terminal via a first communication unit, and performing transmission to the terminal by using a second communication unit; estimating a location of the terminal based on Time Differences Of Arrival (TDOAs) of the plurality of signals; transmitting data to the terminal based on a beam forming vector; receiving information about a data rate, at which the terminal has received the data, from the terminal; and, when location accuracy obtained based on the estimated location of the terminal and an actual location of the terminal does not fall ...

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Номер записи: 8
10-12-2015 дата публикации

A SYSTEM AND METHOD FOR COLLECTING POSITIONING, NAVIGATION, TIMING INFORMATION

Номер: KR0101576064B1
Автор: 허미정, 이광억, 연상모, 양진영, 이요한, 김대영
Принадлежит: 국방과학연구소

... 본 발명은 특정 지역의 위성 수신 상태를 포함하여, 측위 정보, 항법 정보, 시각 동기화를 위한 정보를 수집하기 위한 것으로, 기 설정된 네트워크를 통해 서로 연결되며, 복수의 위치 측정 방식 중 어느 하나에 따라 자신의 위치를 측정하는 복수의 단말, 및, 상기 네트워크를 통해 상기 복수의 단말 각각이 측정한 위치 정보 및 이를 포함하는 정보들을 수신하고, 수신된 정보를 기반으로 상기 복수의 단말이 위치한 대상 지역의 측위 상황을 판단하는 기준국을 포함하는 것을 특징으로 한다.

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Номер записи: 9
28-07-2017 дата публикации

PROTOCOL FOR MAINTAINING AND MANAGING ROUTE USING FLOODING BASED ON DESTINATION INITIATION IN MOBILE AD HOC NETWORK

Номер: KR101762696B1
Автор: HAN, MYOUNG HUN, CHOI, HYUN HO, LEE, JUNG RYUN, CHOI, HYUNG SEOK, PARK, CHAN YI, HOH, MI JEONG, ROH, BONG SOO
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

According to the present invention, a method for maintaining and managing a data route in a mobile ad hoc network comprises: a data transmission process where a source node transmits data to a destination node via a set initial route; an ACK packet overhearing process where a surrounding node overhears an ACK packet transferred to the source node from the destination node; a forward distance vector routing process of storing forward distance vector information between neighboring nodes within a prescribed hop around nodes on a shortest route and nodes on the shortest route in a routing table by the overhearing process; and a different route data transmission process where any one node on the shortest route uses one among the neighboring nodes to transmit data via a different route when a route is disconnected by a movement. The method can be used to set, maintain, and manage a route in a wireless/mobile ad hoc network environment where a communication route is secured by direct communication ...

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Номер записи: 10
03-07-2018 дата публикации

WIRELESS POSITION ESTIMATION METHOD IN MULTI-HOP SYSTEM

Номер: KR1020180074363A
Автор: LEE, KWANG EOG, HOH, MI JEONG, KANG, JOON HYUK, AHN, SUNG JUN, KIM, DONG GU, KIM, WAN JIK
Принадлежит:

The present invention relates to a wireless position estimation method in a multi-hop Ad-Hoc system in which an interference node is present. According to the present invention, a wireless position estimation method in a multi-hop system comprises the steps of: (a) receiving distance information and an angle of arrival in a multi-hop system in which an interference node is present; (b) measuring a time of arrival (TOA) and an angle of arrival (AOA) of the received signal to calculate distance information and an angle of arrival; and (c) specifying a position of the interference node and an angle of arrival generated from the interference node based on the received or calculated distance information and angle of arrival. COPYRIGHT KIPO 2018 (AA) Interference node (BB) Base station (CC) Mobile terminal 1 (DD) Mobile terminal 2 (EE) Width of area & delta ...

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Номер записи: 11
09-11-2017 дата публикации

HIGH PRECISION POSITIONING METHOD USING RECEIVED SIGNAL STRENGTH INDICATOR OF WIRELESS NETWORK AND DILUTION OF PRECISION INFORMATION

Номер: KR1020170123922A
Автор: LEE, KWANG EOG, HEO, MI JEONG, PARK, JOON GOO, HWANG, JUN GYU
Принадлежит:

A high precision positioning method according to the present invention comprises the steps of: (a) selecting a base station of a first group among a plurality of base stations based on a predetermined reference, and calculating a comparative location of a receiving terminal on the basis of location information of the base station of the first group and a received signal strength indicator (RSSI); (b) calculating a first dilution of precision (DOP) on the basis of the comparative location of the receiving terminal and the location information of the base station of the first group; (c) selecting a base station of a second group among the plurality of the base stations based on a predetermined reference, and calculating a second DOP on the basis of the comparative location of the receiving terminal and location information of the base station of the second group; and (d) selecting one from the first and second groups as a reference base station for positioning of the receiving terminal on ...

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Номер записи: 12
16-10-2017 дата публикации

INTERLAYER RESOURCE ALLOCATION METHOD BASED ON WEIGHTED DESYNC IN WIRELESS AD-HOC NETWORK

Номер: KR101785461B1
Автор: HAN, MYOUNG HUN, ROH, BONG SOO, HOH, MI JEONG, PARK, CHAN YI, CHOI, HYUNG SEOK, LEE, JUNG RYUN, CHOI, HYUN HO, JUNG, JI YOUNG, KIM, YOUNG JAE, KONG, EU TTEUM, YU, UI SEONG
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

An interlayer resource allocation method based on weighted desynchronization (DESYNC) in a wireless ad-hoc network according to the present invention includes the steps of each of a plurality of nodes forming a routing path: (a) calculating a link quality value with the following node; (b) receiving the link quality value from at least one neighboring node; and (c) calculating a weight value for synchronizing a transmission yield based on the link quality values in the steps (a) and (b). Accordingly, the present invention can improve the transmission yield and minimize queuing delay. COPYRIGHT KIPO 2017 (1) Time synchronization (2) Occupy a control time slot (3) Occupy a firing phase time slot (4) Occupy a data time slot (AA) Routing (BB) Allocate a MAC resource ...

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Номер записи: 13
22-02-2018 дата публикации

무선네트워크의 신호세기(RSSI: Received Signal Strength Indicator) 및 배치(DOP: Dilution of Precision) 정보를 이용한 고정밀 측위 방법

Номер: KR0101831199B1
Автор: 이광억, 허미정, 박준구, 황준규
Принадлежит: 국방과학연구소

... 본 발명에 따른 고정밀 측위 방법은, (a) 복수의 기지국 중 기 설정된 기준에 근거하여 제1그룹의 기지국을 선정하고, 상기 제1그룹 기지국의 위치정보와 신호세기(RSSI: Received Signal Strength Indicator)를 기초로, 수신단말의 비교 위치를 산출하는 단계; (b) 상기 수신단말의 비교 위치와 상기 제1그룹 기지국의 위치정보에 근거하여, 제1 배치정보(DOP: Dilution of Precision)를 산출하는 단계; (c) 상기 복수의 기지국 중 기 설정된 기준에 근거하여 제2그룹의 기지국을 선정하고, 상기 수신단말의 비교 위치와 상기 제2그룹 기지국의 위치정보에 근거하여, 제2 배치정보(DOP: Dilution of Precision)를 산출하는 단계; 및 (d) 상기 제1그룹 및 상기 제2그룹 기지국의 신호세기, 상기 제1 배치정보 및 상기 제2 배치정보에 근거하여, 상기 제1그룹과 상기 제2그룹 중 하나를 상기 수신단말의 위치 측정을 위한 기준 기지국으로 선정하고, 상기 선정된 기준 기지국의 위치정보와 신호세기를 기초로, 상기 수신단말의 위치를 산출하는 단계;를 포함하는 것을 특징으로 한다.

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Номер записи: 14