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公开(公告)号:KR1020150061487A
公开(公告)日:2015-06-04
申请号:KR1020130145689
申请日:2013-11-27
Applicant: 한국전자통신연구원
CPC classification number: H04W36/22 , H04W28/085 , H04W36/0011 , H04W36/04 , H04W48/00 , H04W76/00 , H04W76/15 , H04W76/34 , H04W84/045
Abstract: UE의데이터오프로딩방법이제공된다. 대형셀 기지국과게이트웨이사이의 E-RAB이구성된상태에서, UE가 MC-RB에서대형셀 기지국으로부터데이터를수신한다. 소형셀 기지국과게이트웨이사이의 E-RAB이구성된후에, UE는대형셀 기지국으로부터제1 연결재구성메시지를수신하고, 제1 연결재구성메시지에따라 SC-RB를구성한다. 다음, 대형셀 기지국과게이트웨이사이의경로가소형셀 기지국과게이트웨이사이의경로로스위치되고, 대형셀 기지국에서 MC-RB의데이터가소진된후에, UE는대형셀 기지국으로부터제2 연결재구성메시지를수신한다. 이에따라 UE는 MC-RB를해제하고 SC-RB로스위칭한다.
Abstract translation: 提供UE的数据卸载方法。 UE从具有在宏小区基站和网关之间组成的E-RAB的宏小区基站在MC-RB处接收数据。 UE在小小区基站与网关之间组合E-RAB之后,从宏小区基站接收第一连接重建消息,并根据第一连接重建消息组成SC-RB。 接下来,在宏小区基站和网关之间的路径被切换到小小区基站与网关之间的路径,并且在宏小区基站用完MC-RB的数据之后,UE接收第二连接重建 来自宏小区基站的消息。 因此,UE移除MC-RB并切换到SC-RB。
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公开(公告)号:KR1020140055365A
公开(公告)日:2014-05-09
申请号:KR1020120122065
申请日:2012-10-31
Applicant: 한국전자통신연구원
CPC classification number: H04W76/14 , H04L1/1819 , H04L1/1854 , H04L1/1887 , H04L1/1896 , H04L2001/0092 , H04W72/085 , H04W72/0406 , H04L1/1812 , H04W4/70
Abstract: The present invention relates to a method for device-to-device communications, a mobile device using the same, and a method for controlling device-to-device communications. The method for device-to-device communications comprises the steps of receiving resource allocation information for device-to-device communications and transmission characteristic information for device-to-device communications from a base station (BS); and performing direct communications with a counterpart terminal by using the resource allocation information for device-to-device communications and the transmission characteristic information for device-to-device communications. The transmission characteristic information can include the number of redundancy versions to be transmitted within one or more continuous transmission time sections.
Abstract translation: 本发明涉及一种用于设备到设备通信的方法,使用该方法的移动设备以及用于控制设备到设备通信的方法。 用于设备到设备通信的方法包括从基站(BS)接收用于设备到设备通信的资源分配信息和用于设备到设备通信的传输特性信息的步骤; 以及通过使用用于设备到设备通信的资源分配信息和用于设备到设备通信的传输特性信息来执行与对方终端的直接通信。 传输特性信息可以包括在一个或多个连续传输时间段内要发送的冗余版本的数量。
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公开(公告)号:KR1020140035761A
公开(公告)日:2014-03-24
申请号:KR1020120102457
申请日:2012-09-14
Applicant: 한국전자통신연구원
IPC: H04B7/24
CPC classification number: H04W72/042
Abstract: A method for device-to-device (D2D) communications and a device using the same are disclosed. According to one embodiment of the present invention, the method for device-to-device communications comprises the steps of: receiving downlink control information from a base station; extracting D2D transmitting and receiving grant information including D2D pairing identifiers applied to each D2D pair from the downlink control information; and transmitting and receiving data to or from an opponent terminal according to transmitting and receiving conditions set by the D2D pairing identifiers. [Reference numerals] (AA) Pair 1; (BB) Pair 2; (CC) D2D pairing temporary identifier
Abstract translation: 公开了一种用于设备到设备(D2D)通信的方法和使用其的设备。 根据本发明的一个实施例,用于设备到设备通信的方法包括以下步骤:从基站接收下行链路控制信息; 从所述下行链路控制信息中提取D2D发送和接收许可信息,包括应用于每个D2D对的D2D配对标识符; 根据由D2D配对标识符设定的发送和接收条件,向/从对手终端发送和接收数据。 (附图标记)(AA)对1; (BB)对2; (CC)D2D配对临时标识符
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公开(公告)号:KR1020130063650A
公开(公告)日:2013-06-17
申请号:KR1020110130129
申请日:2011-12-07
Applicant: 한국전자통신연구원
CPC classification number: H04W4/70 , H04W72/0406 , H04W76/10 , H04W88/02 , H04W92/18
Abstract: PURPOSE: A D2D(Device to Device) communication management method is provided to effectively manage the devices executing D2D communication. CONSTITUTION: A base station assigns resources for measuring a distance between the devices using resources for random access corresponding to a D2D pairing measurement request message for a plurality of devices(S503). The base station transmits resource assignment information for measuring a distance to a plurality of the devices(S505). The base station transmits a D2D pairing measurement result to a network from one or more devices(S507). [Reference numerals] (AA) Start; (BB) End; (S501) Receive a D2D pairing measurement request message from DMF; (S503) Assign a preamble to be used for measuring the distance of D2D pairs and transmit assignment information for transferring the preamble through DCI; (S505) Receive the result of the D2D pairing measurement from a D2D device; (S507) Transmit the received result of the pairing measurement to DMF; (S509) Transmit a D2D pairing management command received from the DMF to a corresponding D2D pair
Abstract translation: 目的:提供D2D(设备到设备)通信管理方法,有效管理执行D2D通信的设备。 构成:基站使用与用于多个设备的D2D配对测量请求消息相对应的随机接入资源来分配用于测量设备之间的距离的资源(S503)。 基站发送用于测量与多个设备的距离的资源分配信息(S505)。 基站从一个或多个设备向网络发送D2D配对测量结果(S507)。 (附图标记)(AA)开始; (BB)结束; (S501)从DMF接收D2D配对测量请求消息; (S503)分配用于测量D2D对的距离的前同步码,并通过DCI发送用于传送前同步码的分配信息; (S505)从D2D设备接收D2D配对测量结果; (S507)将配对测量的接收结果发送给DMF; (S509)将从DMF接收的D2D配对管理命令发送到对应的D2D对
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65.
公开(公告)号:KR1020130063615A
公开(公告)日:2013-06-17
申请号:KR1020110130048
申请日:2011-12-07
Applicant: 한국전자통신연구원
CPC classification number: H04W72/048 , H04W52/16 , H04W4/70 , H04W72/0413 , H04W72/042
Abstract: PURPOSE: A communication resource control method for D2D(Device to Device) communication based on a cellular mobile communication system is provided to allow D2D communication to use the same resources as normal users. CONSTITUTION: A base station selects two or more devices as a D2D candidate in cellular communication(220). The base station measures information based on a selected D2D candidate environment. The base station selects one or more D2D pairs(240). The base station allocates uplink resources to the D2D pair(250). The base station selects the D2D candidate based on a geographical coordinate of the two or more devices. [Reference numerals] (210) Are two devices in the same cell?; (220) Select the two devices as a D2D candidate; (230) Is a D2D pair according to information based on the selected D2D candidate environment?; (240) Select the D2D candidate as a D2D pair; (250) Allocate a downlink resource to the D2D pair; (AA) Start; (BB,DD) No; (CC,EE) Yes; (FF) End
Abstract translation: 目的:提供一种基于蜂窝移动通信系统的用于D2D(设备到设备)通信的通信资源控制方法,以允许D2D通信使用与普通用户相同的资源。 构成:基站在蜂窝通信中选择两个或更多个设备作为D2D候选(220)。 基站根据选定的D2D候选环境测量信息。 基站选择一个或多个D2D对(240)。 基站向D2D对(250)分配上行链路资源。 基站基于两个或更多个设备的地理坐标来选择D2D候选。 (附图标记)(210)同一电池中的两个装置 (220)选择两个设备作为D2D候选者; (230)根据所选择的D2D候选环境的信息,是D2D对吗? (240)选择D2D候选者作为D2D对; (250)向D2D对分配下行资源; (AA)开始; (BB,DD)否; (CC,EE)是; (FF)结束
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公开(公告)号:KR101151100B1
公开(公告)日:2012-06-04
申请号:KR1020090124387
申请日:2009-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04W72/1231 , H04B7/022 , H04B7/024 , H04W72/0426
Abstract: 서빙기지국은단말기에대한채널상태정보에기반하여단말기주위의복수의기지국들중에서단말기로데이터를전송할데이터전송기지국을선택한다.
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公开(公告)号:KR101128527B1
公开(公告)日:2012-03-28
申请号:KR1020080119022
申请日:2008-11-27
Applicant: 한국전자통신연구원
Abstract: 본 발명은 이종망간 핸드오버시의 패킷 손실 최소화 방법에 관한 것으로, 이종망간 핸드오버시 IP 이동성을 관리하는 홈 에이전트(Home Agent) 개체를 통해 핸드오버 절차를 수행하는 동안 이동단말로 전송되는 데이터를 버퍼링(Buffering)하고, 핸드오버 후 이를 이동단말로 포워딩(Forwarding)함으로써 이종망간 핸드오버시의 패킷 손실을 최소화할 수 있도록 한 것이다.
이종망, 핸드오버, 핸드오버 통보 메시지, 홈 에이전트 개체, 데이터 포워딩-
公开(公告)号:KR1020120011205A
公开(公告)日:2012-02-07
申请号:KR1020100072912
申请日:2010-07-28
Applicant: 한국전자통신연구원
IPC: H04B7/26
CPC classification number: H04W72/0406 , H04W24/04 , H04W76/30
Abstract: PURPOSE: A terminal supporting an extended carrier component and a communication system with the terminal are provided to supply a solution for the problem when an operating SCC(Secondary Component Carrier) device is attached to/detached from a terminal. CONSTITUTION: An SCC device monitor(480) monitors whether at least one SCC is attached to an operating terminal and whether at least one SCC device is attached to/detached from the operating terminal. A managing device(460) requests a base station to additionally allocate the second component carrier according to whether the at least one SCC device is attached/detached. The managing device requests the base station to collect the second component carrier.
Abstract translation: 目的:提供支持扩展载波组件的终端和与终端的通信系统,以便在操作SCC(辅助分量载波)设备附接到终端或从终端分离时为该问题提供解决方案。 构成:SCC设备监视器(480)监视至少一个SCC是否连接到操作终端,以及至少一个SCC设备是否连接到/从操作终端分离。 管理装置(460)根据是否连接/拆卸了至少一个SCC装置,请求基站另外分配第二分量载波。 管理设备请求基站收集第二分量载波。
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公开(公告)号:KR1020110067691A
公开(公告)日:2011-06-22
申请号:KR1020090124387
申请日:2009-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04W72/1231 , H04B7/022 , H04B7/024 , H04W72/0426
Abstract: PURPOSE: A data transmission base station selecting apparatus is provided to select a base station in order for a mobile terminal to transmit data in a dynamic base station selection method. CONSTITUTION: A transmitting unit(510) transmits data scheduling information about a terminal within a coverage of a serving base station to a cooperation base station. A receiver(520) receives first data transmission traffic information based on data scheduling information from the cooperation base station. A controller(530) selects a data transmission base station based on the first data transmission traffic information.
Abstract translation: 目的:提供数据传输基站选择装置,以选择基站,以便移动终端以动态基站选择方法发送数据。 构成:发送单元(510)将关于服务基站的覆盖范围内的终端的数据调度信息发送到协作基站。 接收机(520)基于来自协作基站的数据调度信息接收第一数据传输业务信息。 控制器(530)基于第一数据传输业务信息选择数据传输基站。
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公开(公告)号:KR100958657B1
公开(公告)日:2010-05-20
申请号:KR1020070133737
申请日:2007-12-18
CPC classification number: H04W36/0016 , H04W36/0011 , H04W36/02 , H04W80/045
Abstract: 본 발명은 3GE 네트워크망과 무선네트워크망간 빠른 핸드오버를 수행하는 방법으로서,수신한 WLAN 신호세기에 기초하여 무선랜 신호가 사라지거나 잡힐 수 있음을 나타내는 망변경이벤트가 발생시 네트워크 식별자를 이용하여 현재 접속되어 있는 라우터(PAR)로부터 핸드오버 후 사용할 새로운 망의 라우터(NAR)의 정보를 단말에서 수신하는 방식으로 핸드오버를 준비한 후 단말에서 PAR로 전송되는 모든 패킷을 NAR로 버퍼링한다. 그 후 NAR은 단말로부터 FNA메시지를 전송받은 경우 버퍼링된 패킷을 모두 단말에 전달하여 손실없이 빠르게 핸드오버를 수행한다.
빠른 핸드오버, Handover
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