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公开(公告)号：KR101859230B1
公开(公告)日：2018-05-18
申请号：KR1020110142699
申请日：2011-12-26
Applicant: 한국전자통신연구원
IPC: H04B1/48
Abstract: 본발명은단일안테나를이용하여송/수신하는무선통신시스템에서사용할수 있는고주파전치단장치에관한것으로, 보다구체적으로는수동고주파소자들을이용하여고전력, 저손실, 송수신간높은격리도의특성을저비용으로구현할수 있는무선통신시스템에서의수동소자를이용한고주파송수신전치단장치에관한것이다. 이를위하여, 무선통신시스템에서의수동소자를이용한고주파송수신전치단장치에있어서, 송신신호를 90도위상차를갖는 2개의출력으로나누어출력시키는송신부하이브리드커플러; 상기하이브리드커플러의제1 출력을제1 단자로입력받아제2 단자로출력시키는제1 써큘레이터; 상기하이브리드커플러의제2 출력을제1 단자로입력받아제2 단자로출력시키는제2 써큘레이터; 및상기제1 써큘레이터의제2 단자및 상기제2 써큘레이터의제2 단자로부터송신신호를입력받아결합하여출력시키는출력부하이브리드커플러;를포함한다.
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公开(公告)号：KR1020170129378A
公开(公告)日：2017-11-27
申请号：KR1020160059983
申请日：2016-05-17
Applicant: 한국전자통신연구원
Abstract: 본발명은협력통신제어시스템및 방법에관한것이다. 본발명에따른시스템은비상모드로동작하는경우, 목적지노드장치로전송할비상모드정보및 이웃노드장치들과의협력통신을위한정보를생성하여통신커버리지내의이웃노드장치들에게전송하는대상노드장치, 상기대상노드장치의비상모드정보를확인하고, 상기대상노드장치와협력통신에의해통신커버리지를확장하여상기대상노드장치의비상모드정보를목적지노드장치에게전달하도록하는이웃노드장치들, 및상기협력통신에의해상기대상노드장치의비상모드정보를수신하는목적지노드장치를포함한다.
Abstract translation: 协作通信控制系统及方法 当系统在紧急模式中根据本发明操作时，被叫者节点装置，以产生用于与所述目的地节点的协作通信发送到设备紧急模式信息，并且在通信覆盖发送到相邻的节点装置的相邻节点装置的信息， 相邻节点设备，以使目标节点设备的紧急模式信息，并通过目标节点设备和协作通信转发目的节点设备到目的节点设备的紧急模式信息，并合作，以扩大通信覆盖 以及目的地节点设备，用于通过通信接收目标节点设备的紧急模式信息。
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公开(公告)号：KR1020150116067A
公开(公告)日：2015-10-15
申请号：KR1020140040372
申请日：2014-04-04
Applicant: 한국전자통신연구원
CPC classification number: H04L25/061 , H04J11/004 , H04J11/0066 , H04L1/206 , H04L25/0212 , H04L27/22 , H04L27/3863
Abstract: 본발명은무선통신채널의특성을측정하기위한수신장치를제공한다. 본발명의실시예의수신장치는수신된신호와의사잡음코드신호에기초하여수행된상관연산의결과중 이미지주파수를갖는신호의세기를줄여대역제한신호를생성하고, 생성된대역제한신호를변환하여중간주파수신호를생성하기위한아날로그신호처리부, 생성된중간주파수신호를디지털신호로변환하기위한아날로그-디지털변환부, 및디지털신호를동 위상및 직교위상복조하여직류성분을포함하는기저대역신호및 기저대역신호와동일한대역폭을갖고일정한주파수간격마다반복되는신호로형성되는복조신호를생성하고, 생성된복조신호중 기저대역신호를제외한나머지신호의세기를줄여임펄스응답신호를생성하기위한디지털신호처리부를포함할수 있다.
Abstract translation: 提供了一种用于测量无线通信信道的特性的接收装置。 根据本发明的实施例，接收装置包括：模拟信号处理单元，用于通过在基于接收到的相关操作执行的相关操作的结果之中降低具有图像频率的信号的强度来产生带宽限制信号 信号和伪噪声码信号，并且转换所生成的带宽限制信号以产生中频信号; 模数转换单元，用于将产生的中频信号转换为数字信号; 以及数字信号处理单元，用于对数字信号进行同相和正交相位解调，产生由包括DC分量的基带信号形成的解调信号和与基带信号具有相同带宽的信号，并被重复 并且在所生成的解调信号之间降低除了基带信号之外的剩余信号的强度，以产生脉冲响应信号。
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公开(公告)号：KR1020140077675A
公开(公告)日：2014-06-24
申请号：KR1020120146746
申请日：2012-12-14
Applicant: 한국전자통신연구원
CPC classification number: H03F1/3247 , H03F3/24 , H03F2200/451 , H03F2201/3224
Abstract: The present invention relates to a digital pre-distortion apparatus. The digital pre-distortion apparatus comprises: an input delay unit which delays processing of input data as many as the order of a memory; a constant storing unit storing constant numbers of an polynomial expression corresponding to the order of the memory; a digital pre-distortion unit performing an operation using the input data through the input delay unit and the constant numbers of the polynomial expression corresponding to the order of the memory; and an addition unit storing an output of the digital pre-distortion unit, adding a number of the order of the memory to the output a time period of the order of the memory later, and outputting a result of the addition. According to the present invention, the digital pre-distortion apparatus can be implemented using hardware resources at the minimum. Thus, an increment in the hardware resources due to an extension of the order of the memory can be minimized when the digital pre-distortion apparatus considering memory effects is implemented.
Abstract translation: 数字预失真装置技术领域本发明涉及数字预失真装置。 数字预失真装置包括：输入延迟单元，其延迟对存储器的顺序的输入数据的处理; 常数存储单元，存储与存储器的顺序对应的多项式表达式的常数; 数字预失真单元，通过输入延迟单元执行使用输入数据的操作和与存储器的顺序对应的多项式表达式的常数; 以及加法单元，存储数字预失真单元的输出，将存储器的次序的数量添加到存储器的次序的时间段，然后输出相加的结果。 根据本发明，可以使用硬件资源来最小化数字预失真装置。 因此，当实现考虑到存储器效应的数字预失真装置时，可以最小化由于存储器的顺序的扩展引起的硬件资源的增量。
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公开(公告)号：KR1020140077674A
公开(公告)日：2014-06-24
申请号：KR1020120146745
申请日：2012-12-14
Applicant: 한국전자통신연구원
CPC classification number: H04B17/0085 , H04W64/00
Abstract: The present invention relates to an apparatus for measuring a wireless channel. The apparatus receives, from a transmitting party, a packet including a probing signal for measurement and GPS location coordinates, and acquires, from the received packet, a channel signal and transmission GPS coordinate information to convert into a transmission point and a transmission distance, thereby analyzing a propagation distance between two terminals when a wireless link is formed between the two terminals, a direct or relative three-dimensional location and moving speed when a passenger or a vehicle is stopped or moving, and temporal and spatial characteristics of wireless channel parameters, and the apparatus can analyze all influences caused by surroundings including trees, buildings, communication obstacles, etc. by mapping location information and channel characteristics with accurate GIS map data.
Abstract translation: 本发明涉及一种用于测量无线信道的装置。 该装置从发送方接收包含用于测量的探测信号和GPS位置坐标的分组，并从接收到的分组获取频道信号和传输GPS坐标信息，以转换成传输点和传输距离，由此 当在两个终端之间形成无线链路时，分析两个终端之间的传播距离，当乘客或车辆停止或移动时的直接或相对三维位置和移动速度，以及无线信道参数的时间和空间特性， 该装置可以通过准确的GIS地图数据映射位置信息和信道特征，分析包括树木，建筑物，通信障碍等在内的环境造成的所有影响。
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Patent Agency Ranking
公开(公告)号：KR1020130074581A
公开(公告)日：2013-07-04
申请号：KR1020110142699
申请日：2011-12-26
Applicant: 한국전자통신연구원
IPC: H04B1/48
Abstract: PURPOSE: A high frequency transception apparatus is provided to configure a high frequency transception coupling front-end which supports time division duplex/frequency division duplex (TDD/FDD) and to support various functions which is required with the development of a wireless communication technology through single transception coupling front-end. CONSTITUTION: A transmission unit hybrid coupler (304) outputs a transception signal which is divided into a first output and a second output having 90 degrees phase difference. A first circulator (303) inputs the first output of the transmission unit hybrid coupler to a first terminal. The first circulator outputs the inputted first output to a second terminal. A second circulator (306) inputs the second output of the transmission unit hybrid coupler to the first terminal.
Abstract translation: 目的：提供一种高频侦听装置，用于配置支持时分双工/频分双工（TDD / FDD）的高频侦听耦合前端，并支持无线通信技术开发所需的各种功能 单传递耦合前端。 构成：发送单元混合耦合器（304）输出被分成具有90度相位差的第一输出和第二输出的收信信号。 第一循环器（303）将传输单元混合耦合器的第一输出端输入到第一端子。 第一循环器将输入的第一输出输出到第二终端。 第二循环器（306）将传输单元混合耦合器的第二输出端输入到第一端子。
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公开(公告)号：KR1020130068377A
公开(公告)日：2013-06-26
申请号：KR1020110135489
申请日：2011-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04B17/0085 , H04B7/0413 , H04W24/06
Abstract: PURPOSE: A multi-antenna wireless channel measurement device using multiple codes and an operation method thereof are provided to measure a wireless channel by transmitting codes for measuring various lengths based on the speed change of a mobile unit. CONSTITUTION: A timing unit(110) generates a code clock synchronized with other wireless channel measurement device and a synchronization signal. The timing unit determines code and measurement time for measurement according to the speed of an installed mobile unit in which a wireless channel measurement device is installed. A baseband unit(120) successively transmits codes for the measurement according to the synchronization signal. The baseband unit stores wireless channel measurement data by receiving the wireless channel measurement data in the measurement time. An RF(Radio Frequency) module(130) transmits the code for the measurement through a multi-antenna. The RF module receives the wireless channel measurement data. [Reference numerals] (110) Timing unit; (120) Baseband; (130) RF module; (200) Control device
Abstract translation: 目的：提供一种使用多码的多天线无线信道测量装置及其操作方法，用于通过基于移动单元的速度变化发送用于测量各种长度的码来测量无线信道。 构成：定时单元（110）产生与其他无线信道测量设备同步的代码时钟和同步信号。 定时单元根据安装有无线信道测量设备的已安装移动单元的速度来确定用于测量的代码和测量时间。 基带单元（120）根据同步信号依次发送用于测量的码。 基带单元通过在测量时间内接收无线信道测量数据来存储无线信道测量数据。 RF（射频）模块（130）通过多天线发送用于测量的代码。 RF模块接收无线信道测量数据。 （附图标记）（110）定时单元; （120）基带; （130）RF模块; （200）控制装置
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公开(公告)号：KR1020120070147A
公开(公告)日：2012-06-29
申请号：KR1020100131581
申请日：2010-12-21
Applicant: 한국전자통신연구원
CPC classification number: H04L25/0206 , H04L25/0224 , H04W24/00 , H04W24/10 , H04W48/16 , H04W88/06 , H04B17/0085
Abstract: PURPOSE: An apparatus and a method for measuring multiple link wireless channels are provided to minimize times and costs required for measuring the wireless channels. CONSTITUTION: A transmitting signal processing part(430) transmits signal measuring signals, which are transmittable through radio channels, through multi-antennas. A signal processing part(440) receives and processes multiple link radio channel signals which are transmitted through the multi-antennas. A controlling part(450) receives an operation mode selecting signal containing transmitting or receiving modes and selectively operates a transmitted or received signal processing part.
Abstract translation: 目的：提供一种用于测量多个链路无线信道的装置和方法，以最小化测量无线信道所需的时间和成本。 构成：发送信号处理部（430）通过无线信道发送可通过多天线发送的信号测定信号。 信号处理部（440）接收并处理通过多天线发送的多个链路无线信道信号。 控制部分（450）接收包含发送或接收模式的操作模式选择信号，并选择性地操作发送或接收的信号处理部分。
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公开(公告)号：KR1020090017376A
公开(公告)日：2009-02-18
申请号：KR1020070111721
申请日：2007-11-02
Applicant: 한국전자통신연구원
CPC classification number: H04L25/0204 , H04B7/0413 , H04L25/0226
Abstract: A method for estimating a MIMO channel by using loosely synchronous codes, and an apparatus using the same are provided to transmit LS codes at two or four transmission antennas at the same time. A transmitting terminal for MIMO channel measurement comprises an LS code generation unit(210), N antennas(230) and a switch unit(220). The LS code generation unit generates an LS code having a non-interference interval of a fixed length. The N antennas sequentially transmit the LS codes by two. A receiving terminal for the MIMO channel measurement comprises M antennas(240), an LS code storage unit(250) and a channel measurement unit(260). The M antennas receive a signal transmitted at the same time through two transmission antennas. The LS code storage unit stores the same LS code as the LS code generated in the transmitting terminal.
Abstract translation: 提供了一种通过使用松散同步码来估计MIMO信道的方法，以及使用该方法的装置，用于在两个或四个发射天线同时发射LS码。 用于MIMO信道测量的发送终端包括LS代码生成单元（210），N个天线（230）和开关单元（220）。 LS代码生成单元生成具有固定长度的非干涉间隔的LS码。 N个天线顺序地将LS码发送两个。 用于MIMO信道测量的接收终端包括M个天线（240），一个LS码存储单元（250）和一个信道测量单元（260）。 M个天线接收通过两个发射天线同时发射的信号。 LS码存储单元存储与在发送终端中生成的LS码相同的LS码。
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公开(公告)号：KR1020080053186A
公开(公告)日：2008-06-12
申请号：KR1020070118559
申请日：2007-11-20
Applicant: 한국전자통신연구원
CPC classification number: H04L1/20
Abstract: A method for measuring a variable bandwidth wireless channel and a transceiving apparatus therefor are provided to fix a D/A operation rate and generate a variable bandwidth signal by varying oversampling according to a measured bandwidth in a transmitting apparatus to use the same transmission IF regardless of bandwidth, thereby easily realizing the transmitting apparatus. A transmitting apparatus includes a pre-processing unit(211~214) and a realtime processing unit. The pre-processing unit generates and stores a measured sequence that an original sequence for the measurement of a wireless channel is converted into an upper frequency by variable oversampling according to a predetermined D/A(Digital to Analog) operation rate and a measured bandwidth and a fixed transmission IF(Intermediate Frequency) after bandwidth limitation filtering. The real-time processing unit transmits a measured signal converting the stored measured sequence according to the D/A operation rate to a wireless channel.
Abstract translation: 提供了一种用于测量可变带宽无线信道的方法及其收发装置，用于固定D / A操作速率并通过根据发送装置中的测量带宽改变过采样来生成可变带宽信号，以使用相同的发送IF，而不管 带宽，从而容易实现发送装置。 发送装置包括预处理单元（211〜214）和实时处理单元。 预处理单元根据预定的D / A（数字到模拟）操作速率和测量带宽，通过可变过采样生成并存储测量序列，用于测量无线信道的原始序列被转换成高频，并且 带宽限制过滤后的固定传输IF（中频）。 实时处理单元将测量信号根据D / A操作速率发送到存储的测量序列到无线信道。
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