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公开(公告)号：KR1020120035099A
公开(公告)日：2012-04-13
申请号：KR1020110083893
申请日：2011-08-23
Applicant: 한국전자통신연구원
CPC classification number: H04W74/08 , H04B7/0617 , H04W16/28 , H04W72/046 , H04W72/1278
Abstract: PURPOSE: A contention based channel access method using a directional antenna in a broadband wireless communication system and a device thereof are provided to reduce the number of attempts for impossible communication. CONSTITUTION: An information collecting unit(610) receives contention section participation intention information and receiving antenna setup information from distribution devices in a network. A resource allocation scheduling unit(620) allocates resources. The resource allocation scheduling unit is divided into a beam forming available contention section and a beam forming unavailable contention section. A beacon generating unit(630) generates a beacon message including information about the beam forming available contention section and the beam forming unavailable contention section.
Abstract translation: 目的：提供一种使用宽带无线通信系统中的定向天线的基于竞争的信道接入方法及其装置，以减少不可能通信的尝试次数。 构成：信息收集单元（610）从网络中的分发设备接收争用部分参与意图信息和接收天线设置信息。 资源分配调度部（620）分配资源。 资源分配调度单元被分成波束形成可用争用部分和波束形成不可争用部分。 信标生成单元（630）生成包括关于波束形成可用竞争部分和波束形成不可争用部分的信息的信标消息。
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公开(公告)号：KR1020120024425A
公开(公告)日：2012-03-14
申请号：KR1020110080140
申请日：2011-08-11
Applicant: 한국전자통신연구원
CPC classification number: H04W72/02 , H04W72/0453 , H04W72/085
Abstract: PURPOSE: A communication channel selection method in a wireless communication system is provided to receive a signal measurement result from a discovery device and request signal measurement about channel time through arranged antenna. CONSTITUTION: A communication device request the scan of channels between a discovered device and a communication device(310). The communication device receives a channel scan response message(320). The communication device selects a communication channel based on assigned resource information(330). The communication device requests the resources to the discovery device(340).
Abstract translation: 目的：提供一种无线通信系统中的通信信道选择方法，用于从发现设备接收信号测量结果，并通过布置的天线请求关于信道时间的信号测量。 构成：通信设备请求扫描发现的设备和通信设备之间的通道（310）。 通信设备接收信道扫描响应消息（320）。 通信装置基于分配的资源信息来选择通信信道（330）。 通信设备向发现设备请求资源（340）。
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公开(公告)号：KR1020110110733A
公开(公告)日：2011-10-07
申请号：KR1020110030059
申请日：2011-04-01
Applicant: 한국전자통신연구원 , 포항공과대학교 산학협력단
CPC classification number: H04B7/15585 , H04B7/15542 , H04L5/0048
Abstract: 중계기의 신호 전달 방법은 송신국과 상기 중계기 간의 제1 변복조 채널, 상기 중계기와 수신국 간의 제2 변복조 채널 및 상기 중계기의 간섭채널을 추정하는 단계, 송신국으로부터 무선 주파수 신호를 수신하는 단계, 상기 추정 결과를 이용하여 상기 중계기의 자기 간섭(self-interference)을 소정 수준 이하로 낮추기 위한 변환 벡터를 생성하는 단계, 상기 변환 벡터를 이용하여 상기 무선 주파수 신호를 변환하는 단계, 그리고 변환한 무선 주파수 신호를 상기 수신국에게 전송하는 단계를 포함한다.
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公开(公告)号：KR1020110071933A
公开(公告)日：2011-06-29
申请号：KR1020090128657
申请日：2009-12-22
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B1/7113
Abstract: PURPOSE: A transceiving path collection method for measuring and correcting the transceiving path property in the multiple antenna radio channel system is provided to correct the transceiving path of the radio channel system by using the measured value. CONSTITUTION: A multiple antenna radio channel measuring system is operated by switching the multiple antenna radio channel measuring system formed with a single path. It is measured sending/receiving signal of the base band(S200). The sending/receiving signals measured is analyzed. The size and phase variation generated by the transceiver path are deducted(S300). A transceiver path of the radio channel measuring system is corrected by using the deducted size and phase value(S400).
Abstract translation: 目的：提供一种用于测量和校正多天线无线电信道系统中的收发路径属性的收发路径收集方法，以通过使用测量值来校正无线电信道系统的收发路径。 构成：通过切换由单路径形成的多天线无线电信道测量系统来操作多天线无线电信道测量系统。 测量基带的发送/接收信号（S200）。 分析测量的发送/接收信号。 扣除收发器路径产生的大小和相位变化（S300）。 通过使用扣除的尺寸和相位值来校正无线电信道测量系统的收发器路径（S400）。
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公开(公告)号：KR1020110068775A
公开(公告)日：2011-06-22
申请号：KR1020100036029
申请日：2010-04-19
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0854 , H04L1/0054 , H04L1/0071 , H04L1/0631 , H04L1/0643 , H04L1/0668 , H04L25/0204 , H04L25/0246 , H04L25/03057 , H04L2025/03426
Abstract: PURPOSE: A MIMO system, receiving apparatus, and signal receiving method are provided to increase signal transmission ratio and link level performance and to reduce the complexity of a receiver. CONSTITUTION: A QR decomposition unit(300) converts a receiving signal into a receiving vector. The QR decomposition unit decomposes the channel matrix vector of the received vector to a single matrix vectors and an upper triangular matrix vector. A first estimation unit(302) estimates a symbol through the decomposed vectors. The first estimation unit calculates an LLR(Log Likelihood Ratio). A second estimation unit(304) estimates the symbol in a DFE(Determination Feedback Equalizer) method.
Abstract translation: 目的：提供MIMO系统，接收装置和信号接收方法，以增加信号传输比和链路级性能，降低接收机的复杂度。 构成：QR分解单元（300）将接收信号转换为接收向量。 QR分解单元将接收向量的信道矩阵向量分解为单个矩阵向量和上三角矩阵向量。 第一估计单元（302）通过分解向量来估计符号。 第一估计单元计算LLR（对数似然比）。 第二估计单元（304）以DFE（确定反馈均衡器）方法估计该符号。
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Patent Agency Ranking
公开(公告)号：KR1020110046378A
公开(公告)日：2011-05-04
申请号：KR1020100106255
申请日：2010-10-28
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/10
Abstract: PURPOSE: A power saving method in a wireless communication system is provided to control the sampling ratio of a modem processor and to increase power consumption efficiency in a wireless communication system. CONSTITUTION: A network node sets up a network management data on a network(602). The network node or a network control device subscribes one theme(604). The network control device or the network node notices data(606). The network control device or the managed object network node receives network management data based on a data distribution service(608).
Abstract translation: 目的：提供无线通信系统中的省电方法来控制调制解调器处理器的采样率，并提高无线通信系统的功耗效率。 规定：网络节点在网络上建立网络管理数据（602）。 网络节点或网络控制设备订阅一个主题（604）。 网络控制装置或网络节点通知数据（606）。 网络控制设备或被管理对象网络节点基于数据分配服务接收网络管理数据（608）。
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公开(公告)号：KR1020110031098A
公开(公告)日：2011-03-24
申请号：KR1020100088389
申请日：2010-09-09
Applicant: 한국전자통신연구원
IPC: H04B11/00
CPC classification number: H04B11/00
Abstract: PURPOSE: A communication system using an ultrasonic wave that transmits data is provided to transmit data by using ultrasonic waves. CONSTITUTION: A transducer(251) converts a first ultrasonic wave to a first electric signal from an ultrasonic wave base station or a second ultrasonic wave terminal by using a solid medium. A receiving unit converts a first electric signal into first data. A transmission unit converts second data into a second electric signal. The transducer converts the first electric signal into a second ultrasonic wave. The transducer transmits the converted second ultrasonic wave to an ultrasonic base station and a second ultrasonic wave terminal by using a solid medium.
Abstract translation: 目的：提供使用发送数据的超声波的通信系统，通过超声波发送数据。 构成：传感器（251）通过使用固体介质将第一超声波从超声波基站或第二超声波端子转换为第一电信号。 接收单元将第一电信号转换为第一数据。 传输单元将第二数据转换为第二电信号。 换能器将第一电信号转换成第二超声波。 换能器通过使用固体介质将转换的第二超声波发送到超声波基站和第二超声波端子。
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公开(公告)号：KR101008076B1
公开(公告)日：2011-01-13
申请号：KR1020080102944
申请日：2008-10-21
Applicant: 한국전자통신연구원
IPC: H04B1/7077
Abstract: 본 발명은 3GPP TS 36.211 V8.3.0에 표현된 이차 동기채널에 관한 것으로, 구체적으로 이차 동기 채널에 있어서 홀수 인덱스 시퀀스의 cyclic shift에 일반적인 숫자를 적용하여 동기채널 간의 상호상관 특성을 개선함으로써, 이동국에서 인접 셀을 검출하는데 발생하는 오류를 줄이는 것이다.
기지국, 이동국, 3GPP LTE, WCDMA, 동기, 시퀀스, 스크램블링-
公开(公告)号：KR100976945B1
公开(公告)日：2010-08-18
申请号：KR1020070132109
申请日：2007-12-17
Applicant: 한국전자통신연구원 , 재단법인서울대학교산학협력재단
CPC classification number: H04L1/18 , H04B7/026 , H04B7/15592 , H04L2001/0097
Abstract: 순환 지연을 이용하여 협력 다이버시티를 구현하는 무선 통신 시스템 및 그 방법이 개시된다. 무선 통신 시스템에 있어 적어도 하나의 중계 단말 장치 및 수신 단말 장치에 각각 데이터를 전송하는 데이터 전송부, 상기 적어도 하나의 중계 단말 장치 중 데이터의 오류를 검출한 중계 단말 장치 각각으로부터 오류 검출 결과를 수신하는 오류 검출 결과 수신부 및 상기 오류 검출 결과를 통해 상기 적어도 하나의 중계 단말 장치 전부가 데이터의 오류를 검출하였다고 판단하는 경우, 상기 수신 단말 장치에 데이터를 재전송하는 데이터 재전송부를 포함한다.
무선 통신 시스템, 직교 주파수 다중 분할(OFDM), 순환 지연, 순환 접두어, 서브 채널-
公开(公告)号：KR1020100071627A
公开(公告)日：2010-06-29
申请号：KR1020080130414
申请日：2008-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0007 , H04B7/14 , H04L5/0032 , H04L5/0037 , H04L5/0048 , H04L25/03866 , H04L27/2613 , H04L27/2655
Abstract: PURPOSE: An apparatus and a method thereof for assigning sequence to the synchronous channel for the node recognition are provided to be created the sequence for the node recognition of the relaying node by using the sequence for the node recognition allocated to base node it is offered. CONSTITUTION: The sequence generation part(103) for the relaying node transfigures the base sequence. The sequence generation part for the relaying node is created the sequence for the node identification recognition of the relaying node relay sequence. The base band generating unit(104) the base sequence or the relay sequence in the frequency domain and time domain the mapping.
Abstract translation: 目的：提供一种用于为节点识别的同步信道分配序列的装置及其方法，以通过使用分配给其提供的基本节点的节点识别的序列来创建用于中继节点的节点识别的序列。 构成：中继节点的序列生成部（103）变换基序列。 为中继节点的序列生成部分创建中继节点中继序列的节点识别识别序列。 基带发生单元（104）的基本序列或中继序列在频域和时域中的映射。
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