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公开(公告)号：KR1020160082926A
公开(公告)日：2016-07-11
申请号：KR1020150185734
申请日：2015-12-24
Applicant: 한국전자통신연구원
IPC: H04B7/06
Abstract: 복수의빔을사용하는이동통신시스템의단말은기지국으로부터채널품질지시자(Channel Quality Indicator, CQI) 전송모드에대한정보를수신하면, CQI 전송모드에따라서피드백할빔의 CQI를측정하고, CQI 전송모드에따라서 CQI 정보를피드백할빔의정보를전송한후에, 측정한빔의 CQI 정보를기지국으로피드백한다.
Abstract translation: 本发明涉及用于在通信系统中传输波束的信道质量指示符信息以消除通信系统中的反馈开销的方法和装置。 使用多个波束的移动通信系统的终端如果从基站接收到关于信道质量指示符（CQI）传输模式的信息，则根据CQI传输模式测量波束的CQI以进行反馈，发送信息 该波束根据CQI传输模式对CQI信息进行反馈，然后将测量的波束的CQI信息反馈给基站。
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62.发明公开다중 안테나 통신 시스템에서 파일롯을 전송하는 방법 및 장치, 그리고 다중 안테나 통신 시스템에서 파일롯을 할당하는 방법 및 장치 审中-实审用于在多天线通信系统中发射导频的方法和装置，以及用于在多天线通信系统中分配导频的方法和装置
公开(公告)号：KR1020160082924A
公开(公告)日：2016-07-11
申请号：KR1020150184207
申请日：2015-12-22
Applicant: 한국전자통신연구원
Abstract: 다중안테나통신시스템에서기지국이파일롯신호를전송하는방법이제공된다. 상기기지국은, 다수의파일롯신호중 시간영역심볼, 부반송파(subcarrier), 및직교코드(orthogonal code) 중적어도하나를통해구분되는일부파일롯신호를, 제1 난수가적용되는제1 집합에포함시킨다. 상기기지국은, 상기제1 집합에의해사용되는자원과동일한자원을사용하며상기제1 난수와다른제2 난수가적용되는제2 집합에, 상기다수의파일롯신호중 상기제1 집합에포함된파일롯신호를제외한나머지파일롯신호를포함시킨다. 그리고상기기지국은, 상기제1 집합및 상기제2 집합에속하는파일롯신호중 적어도하나를전송한다.
Abstract translation: 提供了一种用于在多天线通信系统中由基站发送导频信号的方法。 基站包括被应用了第一随机数的第一组中的至少一个时域符号，子载波和正交码的多个导频信号的一部分。 基站使用与第一组使用的资源相同的资源，并且在第二组中包括除第一组中包括的导频信号中的导频信号之外的导频信号的剩余部分，第二组中的第二随机 应用与第一个随机数不同的数字。 基站发送包括在第一和第二组中的导频信号中的至少一个。
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公开(公告)号：KR1020160081030A
公开(公告)日：2016-07-08
申请号：KR1020140194141
申请日：2014-12-30
Applicant: 한국전자통신연구원
CPC classification number: H04B17/10 , H04B7/0408
Abstract: 다중안테나통신시스템의동기신호와레퍼런스신호전송방법및 장치가개시된다.
Abstract translation: 公开了一种用于发送多天线通信系统的参考信号和同步信号的方法和装置。 根据本发明，提供了用于发送多天线通信系统的参考信号和同步信号的方法和装置。 根据本发明，简化了用于测量多天线通信系统的各种处理，从而确保了有效的操作。
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公开(公告)号：KR1020160075216A
公开(公告)日：2016-06-29
申请号：KR1020140184924
申请日：2014-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0408 , H04B17/11
Abstract: 기지국으로부터수신한빔을바탕으로빔에대한보정값을생성하고보정값을바탕으로보정된빔을기지국으로송신하는단말및 단말로부터수신한빔을바탕으로빔에대한보정값을생성하고보정값을바탕으로보정된빔을단말로송신하는기지국이제공된다.
Abstract translation: 本发明提供一种用于校准波束的方法和装置，其使得能够在切换或瞬时失去同步的情况下在基站和终端处快速校准波束。 提供了一种终端，其基于从基站接收的波束生成用于波束的校准值，并将基于校准值校准的波束发送到基站，以及生成用于波束的校准值的基站 基于从终端接收到的波束，并将基于校准值校准的波束发送到终端。
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公开(公告)号：KR1020140035255A
公开(公告)日：2014-03-21
申请号：KR1020130107722
申请日：2013-09-09
Applicant: 한국전자통신연구원
CPC classification number: H04W72/046 , H01Q21/205 , H04W16/28 , H04W72/1231 , H04W72/1278
Abstract: Disclosed is a communication apparatus using a millimeter wave frequency bandwidth and a communication method thereof. The communication apparatus includes a beam scheduling unit to perform scheduling of a uplink beam and a downlink beam corresponding to movement of a terminal; a core network interface unit to transmit data provided from the beam scheduling unit to a core network and to provide data received from the core network to the beam scheduling unit; a mobile manager to configure uplink and downlink beam groups based on interference information between a beam provided from the beam scheduling unit; and an interface unit between base stations to exchange a control message with other base stations under control of the mobile manager. Accordingly, a cellular network using the millimeter wave frequency bandwidth may be efficiently established. [Reference numerals] (AA) Primary wireless backhaul link; (BB) Secondary wireless backhaul link; (CC) Wireless access link
Abstract translation: 公开了使用毫米波频率带宽的通信装置及其通信方法。 通信装置包括：波束调度单元，执行对应于终端的移动的上行链路波束和下行链路波束的调度; 核心网络接口单元，用于将从波束调度单元提供的数据发送到核心网络，并将从核心网络接收的数据提供给波束调度单元; 基于从所述波束调度单元提供的波束之间的干扰信息来配置上行链路和下行链路波束组的移动管理器; 以及基站之间的接口单元，以在移动管理器的控制下与其他基站交换控制消息。 因此，可以有效地建立使用毫米波频率带宽的蜂窝网络。 （附图标记）（AA）主无线回程链路; （BB）二级无线回程链路; （CC）无线接入链路
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Patent Agency Ranking
公开(公告)号：KR1020140022727A
公开(公告)日：2014-02-25
申请号：KR1020130092386
申请日：2013-08-05
Applicant: 한국전자통신연구원
IPC: H04W16/28
CPC classification number: H04W16/28
Abstract: Disclosed is a beamforming method based on a cluster, capable of improving the transmission performance of data by using a millimeter wave band. The beamforming method performed in a base station includes the steps of: transmitting control information to a plurality of terminals; receiving measurement information corresponding to the control information from the terminals; grouping the terminals into a plurality of groups based on the received measurement information; and transmitting the received measurement information to an upper base station by beamforming. Thereby, a high speed data transmission is performed through a small cell communication environment based on a beam using the millimeter wave band. [Reference numerals] (100) Central base station; (200) Relay base station; (300) Mobile terminal; (S210) Control information; (S220) Perform measurement from received control information; (S230) Measurement information; (S240) Mobile terminal grouping; (S250) Measurement information; (S260,270) Service request; (S280) Beamformed information; (S290) Service response
Abstract translation: 公开了一种基于群集的波束成形方法，能够通过使用毫米波段来提高数据的传输性能。 在基站中执行的波束成形方法包括以下步骤：向多个终端发送控制信息; 从所述终端接收对应于所述控制信息的测量信息; 基于所接收的测量信息将终端分组成多个组; 以及通过波束成形将所接收的测量信息发送到上位基站。 由此，通过基于使用毫米波段的波束的小小区通信环境进行高速数据发送。 （附图标记）（100）中央基站; （200）中继基站; （300）移动终端; （S210）控制信息; （S220）从接收到的控制信息进行测量; （S230）测量信息; （S240）移动终端分组; （S250）测量信息; （S260,270）服务请求; （S280）投影信息; （S290）服务响应
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公开(公告)号：KR1020130122201A
公开(公告)日：2013-11-07
申请号：KR1020120045335
申请日：2012-04-30
Applicant: 한국전자통신연구원
Inventor： 이준환
IPC: H04L27/26
CPC classification number: H04W72/10
Abstract: Disclosed is a method for transceiving wireless data in a multi-point transmission environment. A data transmission method of a base station according to the present invention includes: a step for determining the priority of terminals; a step for allocating a symbol to be transmitted for a terminal having a lower priority and performing hierarchical modulation on a terminal having a higher priority; and a step for transmitting the hierarchically modulated symbol. Therefore, the increase in data capacity of a terminal in a cell edge and a reduction of required resources by combining a CoMP transmission technology and hierarchical modulation are achieved. [Reference numerals] (AA) Data sharing
Abstract translation: 公开了一种用于在多点传输环境中收发无线数据的方法。 根据本发明的基站的数据传输方法包括：确定终端的优先级的步骤; 为具有较低优先级的终端分配要发送的符号并对具有较高优先级的终端执行分级调制的步骤; 以及用于发送分层调制符号的步骤。 因此，通过组合CoMP传输技术和分层调制，实现了小区边缘中终端的数据容量的增加和所需资源的减少。 （附图标记）（AA）数据共享
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公开(公告)号：KR1020130043048A
公开(公告)日：2013-04-29
申请号：KR1020120061199
申请日：2012-06-08
Applicant: 한국전자통신연구원
CPC classification number: H04W72/0406 , H04W4/70 , H04W72/0453
Abstract: PURPOSE: A resource assignment device for an MTC(Machine Type Communication) device and a method thereof are provided to offer a terminal service of an MTC type by using a mobile communication network based on LTE(Long Term Evolution) or LTE-A(LTE-Advanced). CONSTITUTION: A frame configuration unit(220) determines the existence of resources which are assigned for an MTC device in one or more resource sections. When the resource assigned for the MTC device is existed, the frame configuration unit determines the class of the MTC device. The frame configuration unit determines the bandwidth of a resource area for an MTC device. The frame configuration unit configures a downlink frame according to the bandwidth of the resource area for the MTC device. A transmission and reception unit(230) transmits the configured downlink frame. [Reference numerals] (210) Bandwidth information storage unit; (220) Frame configuration unit; (230) Transmission and reception unit;
Abstract translation: 目的：提供一种用于MTC（机器类型通信）装置的资源分配装置及其方法，用于通过使用基于LTE（长期演进）或LTE-A（LTE）的移动通信网络来提供MTC类型的终端服务 -高级）。 构成：帧配置单元（220）确定在一个或多个资源部分中为MTC设备分配的资源的存在。 当分配给MTC设备的资源存在时，帧配置单元确定MTC设备的类别。 帧配置单元确定MTC设备的资源区域的带宽。 帧配置单元根据MTC设备的资源区域的带宽配置下行链路帧。 发送接收单元（230）发送配置的下行链路帧。 （附图标记）（210）带宽信息存储单元; （220）框架配置单元; （230）发送和接收单元;
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公开(公告)号：KR1020100071227A
公开(公告)日：2010-06-29
申请号：KR1020080129866
申请日：2008-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04B7/04 , H04B17/318 , H04W52/52
Abstract: PURPOSE: An adaptive receiving power control device of a multiple antenna wireless channel and an operating method thereof are provided to adaptively control an attenuator value of a receiving device according to combination of transmitting and receiving antennas. CONSTITUTION: A receiving variable attenuator(126) measures received power of a signal for measuring. A receiving AGC(Automatic Gain Control) control part(132) controls the receiving variable attenuator to adaptively adjust the received power. A timing control unit(133) produces a reference timing signal for the receiving AGC control part and a receiving switch control part. A digital baseband control unit stores and collects information about the signal.
Abstract translation: 目的：提供一种多天线无线信道的自适应接收功率控制装置及其操作方法，以根据发射和接收天线的组合自适应地控制接收设备的衰减器值。 构成：接收可变衰减器（126）测量用于测量的信号的接收功率。 接收AGC（自动增益控制）控制部分（132）控制接收可变衰减器自适应地调整接收功率。 定时控制单元（133）产生用于接收AGC控制部分和接收开关控制部分的参考定时信号。 数字基带控制单元存储和收集关于信号的信息。
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公开(公告)号：KR1020080071065A
公开(公告)日：2008-08-01
申请号：KR1020070132635
申请日：2007-12-17
CPC classification number: H04B1/707 , H04B7/02 , H04L5/0053 , H04L27/2626
Abstract: A transmission diversity method for a forward link channel in a wireless communication system and a signal processing method are provided to improve transmission diversity for an MC-CDMA(Multi-Carrier Code Division Multiple Access) type channel in an OFDM(Orthogonal Frequency Division Multiplexing)-based downlink by being used to ACK/NACK channels. Predetermined different output symbols are generated from plural input symbols at one random modulation symbol interval(S900). Orthogonal codes are generated(S910). The output symbols are spread by using the orthogonal codes. The spread output symbols are crossed together as being combined, and the combined output symbols are outputted to each transmission path.
Abstract translation: 提供了一种用于无线通信系统中的前向链路信道的传输分集方法和信号处理方法，以改善OFDM（正交频分复用）中的MC-CDMA（多载波码分多址）类型信道的传输分集， 的下行链路用于ACK / NACK信道。 以一个随机调制符号间隔从多个输入符号生成预定的不同输出符号（S900）。 生成正交码（S910）。 输出符号通过使用正交码进行扩展。 扩展输出符号被组合在一起，并且组合的输出符号被输出到每个传输路径。
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