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公开(公告)号：KR1020150016473A
公开(公告)日：2015-02-12
申请号：KR1020140097929
申请日：2014-07-31
Applicant: 한국전자통신연구원
CPC classification number: H04W72/1284 , H04L1/1822 , H04L1/1854 , H04L1/1861 , H04L1/1887 , H04L5/0055 , H04W52/365 , H04W88/02 , H04W88/08
Abstract: 단말과 적어도 두 개의 기지국 사이의 이중 연결을 지원하는 무선통신 시스템에서, 단말이 상향링크 스케줄링 정보 및 서브프레임의 유형에 관한 정보를 바탕으로 상향링크 전송을 수행하는 방법과, 기지국이 서브프레임 유형에 관한 정보를 공유하고 상향링크 자원을 할당하는 상향링크 스케줄링 방법이 제공된다.
Abstract translation: 本发明提供一种上行链路调度方法和上行链路发送方法。 上行链路发送方法是用于终端在支持终端与至少两个基站之间的双连接的无线通信系统中基于上行链路调度信息和关于子帧的类型的信息进行上行链路传输。 上行链路调度方法是用于基站共享关于子帧类型的信息，并分配上行链路资源。
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公开(公告)号：KR1020150006373A
公开(公告)日：2015-01-16
申请号：KR1020140084568
申请日：2014-07-07
Applicant: 한국전자통신연구원
CPC classification number: H04W72/04 , H04W72/1278 , H04W74/08 , H04W76/14
Abstract: 무선 통신 시스템에서 코디네이터 기반의 통신 방법 및 장치가 개시된다. 단말 간 직접 통신 방법은, 동기 신호 및 시스템 정보를 복수의 단말에 전송하는 단계, 랜덤 액세스 절차를 기반으로 복수의 단말과 무선 링크를 설정하는 단계, 복수의 단말 중 제1 단말로부터 D2D 통신을 위한 스케줄링 요청 메시지를 수신하는 단계, 스케줄링 요청 메시지를 기반으로 임의의 프레임을 전송하는데 사용되는 송신 자원을 제1 단말에 할당하는 단계, 및 복수의 단말 중 제1 단말과 D2D 통신을 수행하는 제2 단말에 의의 프레임을 수신하는데 사용되는 수신 자원을 할당하는 단계를 포함한다. 따라서, 무선 통신 시스템에서 코디네이터 기반의 D2D 통신이 효과적으로 수행될 수 있다.
Abstract translation: 公开了一种用于无线通信系统中基于协调器的通信的方法和装置。 一种用于设备到设备（D2D）通信的方法包括以下步骤：向多个终端发送同步信号和系统信息; 基于随机接入过程设置与多个终端的无线电链路; 从所述多个终端中的第一终端接收用于D2D通信的调度请求消息; 向所述第一终端分配用于基于所述调度请求消息来发送帧的传输资源; 以及将用于接收所述帧的接收资源分配给在所述多个终端中执行与所述第一终端的D2D通信的第二终端。 因此，可以有效地执行无线通信系统中的基于协调器的D2D通信。
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公开(公告)号：KR101478316B1
公开(公告)日：2014-12-31
申请号：KR1020100039336
申请日：2010-04-28
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B7/0452 , H04B7/022 , H04B7/024 , H04B7/0639 , H04L5/0023 , H04L5/0051 , H04W72/1231
Abstract: 단일포인트전송및 협력멀티-포인트전송에서전용레퍼런스시그널전송및 수신방법이개시된다. 전용레퍼런스시그널전송방법은, 전송의대상이되는적어도하나의단말에대한전용레퍼런스시그널전송자원을결정하는단계와결정된전송자원을이용하여전용레퍼런스시그널을전송하고, 단말이사용하는레이어에대한정보를알려주는단계를포함하여구성된다. 상응하는전용레퍼런스시그널수신방법은전용레퍼런스시그널수신자원을결정하는단계, 서빙셀기지국으로부터단말이이용하는레이어에대한정보를수신하는단계및 결정된전송자원과레이어에대한정보를이용하여자신의전용레퍼런스시그널을수신하는단계를포함하여구성된다. 따라서, 단말은자신의전용레퍼런스시그널의위치와시퀀스를파악할수 있고, 특히다중사용자 MIMO 및협력스케쥴링의경우에는다른단말의전용레퍼런스시그널을이용하여신호의간섭을억제하거나제거하는것이가능해진다.
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公开(公告)号：KR1020140075252A
公开(公告)日：2014-06-19
申请号：KR1020120143435
申请日：2012-12-11
Applicant: 한국전자통신연구원
IPC: H04W72/14
CPC classification number: H04W72/042 , H04L5/0055 , H04L27/2647
Abstract: Disclosed are a method for configuring a control channel and a method for detecting control information. The method for configuring the control channel for a mobile communication wireless resource includes the step of configuring one control channel using a plurality of tiles. The number of resource elements of the tiles is equally set or the number of resource elements of each tile is differently set. The tiles comprising one control channel are arranged on a time axis to overlap or not to overlap. The tiles are separately arranged on a frequency axis to be separated as far as possible from each other.
Abstract translation: 公开了一种用于配置控制信道的方法和用于检测控制信息的方法。 用于配置移动通信无线资源的控制信道的方法包括使用多个瓦片来配置一个控制信道的步骤。 瓦片的资源元素的数量被均等地设置，或者每个瓦片的资源元素的数量被不同地设置。 包括一个控制通道的瓦片被布置在时间轴上以重叠或不重叠。 瓦片被分开地布置在频率轴上以被尽可能彼此分离。
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公开(公告)号：KR1020140058366A
公开(公告)日：2014-05-14
申请号：KR1020130132791
申请日：2013-11-04
Applicant: 한국전자통신연구원
Abstract: Disclosed are a method of device-to-device (D2D) discovery and an apparatus thereof. A restricted discovery method includes receiving a discovery identifier of a discovery terminal from a D2D server; performing an authorization procedure for performing the restricted discovery of an application located in the discovery terminal with the D2D server; and obtaining terminal information of a terminal to be discovered as a counterpart terminal with which performs the restricted discovery from the D2D server when the authorization is completed. Therefore, the restricted discovery can be performed efficiently.
Abstract translation: 公开了一种设备到设备（D2D）发现的方法及其装置。 受限发现方法包括从D2D服务器接收发现终端的发现标识符; 执行用于使用所述D2D服务器执行位于所述发现终端中的应用的受限发现的授权过程; 以及当所述授权完成时，从所述D2D服务器获取要发现的终端的终端信息作为与所述D2D服务器执行所述受限发现的对方终端。 因此，可以有效地执行受限发现。
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Patent Agency Ranking
公开(公告)号：KR1020140042752A
公开(公告)日：2014-04-07
申请号：KR1020130115687
申请日：2013-09-27
Applicant: 한국전자통신연구원
Abstract: Disclosed are a method and apparatus for direct communication between terminals. A discovery method includes the steps of: registering service information which the terminal provides; supplying discovery transmission activation request information to a network in which the terminal is located; receiving discovery transmission activation response information which is the response of the discovery transmission activation request; and transmitting a discovery message if the discovery transmission activation response information is transmission activation authentication. Therefore, an open D2D discovery is effectively performed. [Reference numerals] (10) Searched terminal; (20) Searching terminal; (AA) Allow transmission activation?; (BB) No; (CC) Idle state; (DD) Yes; (S100) Request discovery transmission activation by an application; (S110) Discovery transmission activation request information; (S120) Approval/certification; (S130) Discovery channel allocation procedure; (S140) Discovery transmission activation response information (result, cause); (S150) State transition; (S160) Discovery message
Abstract translation: 公开了一种用于在终端之间直接通信的方法和装置。 发现方法包括以下步骤：注册终端提供的业务信息; 将发现传输激活请求信息提供给终端所在的网络; 接收作为发现传输激活请求的响应的发现传输激活响应信息; 以及如果发现传输激活响应信息是传输激活认证，则发送发现消息。 因此，开放的D2D发现被有效地执行。 （附图标记）（10）搜索终端; （20）搜索终端; （AA）允许传输激活？ （BB）否 （CC）空闲状态; （DD）是; （S100）应用请求发现传输激活; （S110）发现传输激活请求信息; （S120）批准/认证; （S130）发现频道分配程序; （S140）发现传输激活响应信息（结果，原因）; （S150）国家过渡; （S160）发现信息
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公开(公告)号：KR1020140007578A
公开(公告)日：2014-01-20
申请号：KR1020120074618
申请日：2012-07-09
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B7/0456 , H04L5/0073 , H04W52/243 , Y02D70/00
Abstract: Disclosed in the present invention is a signal communication method considering a multi-cell interference comprises steps of: acquiring a receipt weighting factor matrix for eliminating an inter-cell interference based on a received signal; acquiring a transmission weighting factor matrix for eliminating an intra-cell interference based on the receipt weighting factor matrix; acquiring a transmission matrix and a receipt matrix for decomposing multiple streams based on the receipt weighting factor matrix and the transmission weighting factor matrix; acquiring a power allocation weighting factor matrix for maximizing the sum of transmission ratios; and acquiring a precoding matrix of a transmission signal and a decoding matrix of a receipt signal. Therefore, the present invention can arrange the inter-cell interference and the intra-cell interference while supporting the multiple streams and can maximize the sum of the transmission ratios. [Reference numerals] (AA) Start; (BB) End; (S310) Acquire a receipt weighting factor matrix U^[m,k] for eliminating an inter-cell interference; (S320) Acquire a transmission weighting factor matrix V^[m,k] for eliminating an intra-cell interference; (S330) Acquire a transmission matrix U^[m,k] and a receipt matrix V^[m,k] for decomposing multiple streams; (S340) Acquire a power allocation weighting factor matrix 過^[m,k]_opt. for maximizing the sum of transmission ratios; (S350) Acquire a precoding matrix of a transmission signal T^[m,k]_(GZF-IA) and a decoding matrix U^[m,k]_(GZF-IA) of a receipt signal
Abstract translation: 在本发明中公开了一种考虑多小区干扰的信号通信方法，包括以下步骤：基于接收到的信号，获取用于消除小区间干扰的接收加权因子矩阵; 基于接收加权因子矩阵获取用于消除小区内干扰的传输加权因子矩阵; 基于接收加权因子矩阵和传输加权因子矩阵获取用于分解多个流的传输矩阵和接收矩阵; 获取功率分配权重因子矩阵，以最大化传输比的总和; 并获取发送信号的预编码矩阵和接收信号的解码矩阵。 因此，本发明可以在支持多个流的同时安排小区间干扰和小区内干扰，并且可以最大化传输比的总和。 （附图标记）（AA）开始; （BB）结束; （S310）获取用于消除小区间干扰的接收加权因子矩阵U ^ [m，k] （S320）获取用于消除小区内干扰的传输加权因子矩阵V ^ [m，k] （S330）获取用于分解多个流的传输矩阵U ^ [m，k]和接收矩阵V ^ [m，k] （S340）获取功率分配权重因子矩阵过^ [m，k] _opt。 用于最大化传动比的总和; （S350）获取发送信号T ^ [m，k] _（GZF-IA）和接收信号的解码矩阵U ^ [m，k] _（GZF-IA）的预编码矩阵
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公开(公告)号：KR1020130097117A
公开(公告)日：2013-09-02
申请号：KR1020130019075
申请日：2013-02-22
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B7/0452 , H04B7/0456 , H04B7/0482 , H04B7/0617 , H04B7/0619 , H04B7/0634 , H04B7/0639 , H04L5/0048 , H04W72/1226 , H04B7/043 , H04B7/0421 , H04B7/0626 , H04L1/0026 , H04L25/0224 , H04W72/121
Abstract: PURPOSE: A multi-input and multi-output (MIMO) communication method in a large-scale antenna system is provided to decrease the complexity in a scheduling and pre-coding calculation without increasing an amount of wireless resources that is required for providing feedback for a feedback for a reference signal and channel status information. CONSTITUTION: A MIMO communication method in a large-scale antenna system comprises the steps of: obtaining statistical channel information on at least one or more terminals; dividing the terminals into at least one or more classes and at least one or more groups depending on the classes based on the statistical channel information (S320); determining a group beam-forming matrix for each of the divided groups (S330); performing a group beam-forming transmission by group based on the group beam-forming matrix to obtain instantaneous channel information (S340); and scheduling the terminals based on the instantaneous channel information (S350). [Reference numerals] (AA) Start; (BB) End; (S310) Step where statistical channel information on at least one or more terminals is obtained; (S320) Step where devices are grouped based on the statistical channel information; (S330) Step where a group beam-forming matrix for each group is determined; (S340) Step where the order in transmitting the group beam-forming matrixes and information about an inspection channel are obtained; (S350) Step where a schedule is established based on the inspection channel information
Abstract translation: 目的：提供大规模天线系统中的多输入和多输出（MIMO）通信方法，以减少调度和预编码计算中的复杂度，而不增加为提供反馈所需的无线资源量 参考信号和信道状态信息的反馈。 构成：大规模天线系统中的MIMO通信方法包括以下步骤：在至少一个或多个终端上获取统计信道信息; 根据统计信道信息，将终端划分成至少一个以上类别和至少一个或多个组（S320）; 确定每个分组的组波束形成矩阵（S330）; 基于组波束形成矩阵按组进行组波束形成传输以获得即时信道信息（S340）; 并根据瞬时信道信息调度终端（S350）。 （附图标记）（AA）开始; （BB）结束; （S310）获取至少一个以上终端的统计信道信息的步骤; （S320）基于统计信道信息对设备进行分组的步骤; （S330）确定每组的组波束形成矩阵的步骤; （S340）获取发送组波束形成矩阵的顺序和关于检查信道的信息的步骤; （S350）基于检查通道信息建立调度的步骤
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公开(公告)号：KR101268251B1
公开(公告)日：2013-05-28
申请号：KR1020100023474
申请日：2010-03-16
Applicant: 한국전자통신연구원
IPC: H04B7/14
CPC classification number: H04B7/2606 , H04B7/15542 , H04B7/15557 , H04W72/0426 , H04W88/085
Abstract: 본발명은, 릴레이의송수신전환시간, 신호전달시간중 적어도하나를고려하여백홀하향링크및 백홀상향링크의프레임구성과전송타이밍을결정하고그에따라송수신을수행함으로써, 릴레이가존재하는무선통신시스템에서릴레이와기지국과의데이터송수신을효과적으로수행할수 있다.
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公开(公告)号：KR1020130040749A
公开(公告)日：2013-04-24
申请号：KR1020120113992
申请日：2012-10-15
Applicant: 한국전자통신연구원
CPC classification number: H04W40/246 , H04W8/005
Abstract: PURPOSE: A peer discovery method using a direct link between the devices is provided to solve a problem of wireless resource waste and power consumption based on the transmission of discovery information in a discovery process. CONSTITUTION: The transmission of discovery information is requested. The discovery information is transmitted or is not transmitted based on the request. When the discovery information is transmitted, the transmitted discovery information is received by a device. The device desires to find out a proximity device or a service. The transmission of the discovery information is requested from a user or an application. [Reference numerals] (AA) Sub-block transmission; (BB) Discovery resource block #; (CC) Discovery resource sub-block #;
Abstract translation: 目的：提供使用设备之间的直接链路的对等体发现方法，以便在发现过程中基于发现信息的传输来解决无线资源浪费和功耗的问题。 规定：请求传输发现信息。 发现信息是根据请求发送或不发送的。 当发现发现信息时，发送的发现信息由设备接收。 该设备希望找到邻近设备或服务。 从用户或应用程序请求发现信息的传输。 （附图标记）（AA）子块传输; （BB）发现资源块＃; （CC）发现资源子块＃;
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