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    • 6. 发明申请
    • COMMUNICATION SYSTEM INCLUDING BASE STATIONS AND TERMINAL FOR MULTI-CELL COOPERATIVE COMMUNICATION
    • 通信系统,包括基站和终端用于多小区协同通信
    • US20110151918A1
    • 2011-06-23
    • US13059903
    • 2009-08-14
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • Bangwon SeoYoung Jo KoJae Young Ahn
    • H04B7/26
    • H04B7/024H04B7/0413H04B7/0426H04B7/0617H04B7/0639H04B7/0671
    • Provided is a communication system for a multi-cell cooperative communication. A serving base station and at least one neighboring base station may communicate with at least one terminal through mutual cooperation. Each of the serving base station and the at least one neighboring base station may shift a phase of at least one element among elements included in a precoding matrix, using a phase shift matrix, and precode at least one data symbol. A terminal may feed back preferred phase shift matrix information to the serving base station, so that the serving base station and the at least one neighboring base station may adaptively determine a phase shift matrix. The terminal may calculate the phase shift matrix with small calculation amounts. The serving base station, the at least one neighboring base station, and the terminal may pre-store a plurality of candidate matrices with respect to the phase shift matrix.
    • 提供了一种用于多小区协作通信的通信系统。 服务基站和至少一个相邻基站可以通过相互协作与至少一个终端进行通信。 服务基站和至少一个相邻基站中的每个可以使用相移矩阵来移位包括在预编码矩阵中的元素中的至少一个元素的相位,并且对至少一个数据符号进行预编码。 终端可以将优选的相移矩阵信息反馈到服务基站,使得服务基站和至少一个相邻基站可以自适应地确定相移矩阵。 终端可以以较小的计算量计算相移矩阵。 服务基站,至少一个相邻基站和终端可以相对于相移矩阵预存储多个候选矩阵。
    • 8. 发明申请
    • DEVICE-TO-DEVICE COMMUNICATION AND TERMINAL RELAY METHOD
    • 器件到器件通信和终端继电器方法
    • US20130322388A1
    • 2013-12-05
    • US13976202
    • 2011-12-27
    • Jae-Young AhnTae Gyun NohYoung Jo Ko
    • Jae-Young AhnTae Gyun NohYoung Jo Ko
    • H04W76/02
    • H04W76/14H04W88/04
    • Disclosed are a method for checking whether D2D communication between devices for performing D2D communication is possible, and a method for estimating the proximity of devices to base stations and the proximity of devices to one another for reusing wireless resources in device-to-device communication and terminal relay communication. The method according to the present invention may enable the verification of whether D2D communication is possible between devices to establish a D2D connection, and may enable the wireless resources allocated to a cellular link and to other D2D links to be reused. Further, the method of the present invention may enable variations in a link state caused by terminal mobility to be handled, as well as D2D communication between new UEs and D2D communication between a new UE and a legacy UE, to be handled.
    • 公开了一种用于检查用于执行D2D通信的设备之间的D2D通信是否可能的方法,以及用于估计设备与基站的接近度以及设备彼此接近以便在设备到设备通信中重用无线资源的方法,以及 终端中继通信。 根据本发明的方法可以使得能够验证在设备之间是否可以建立D2D连接的D2D通信,并且可以使得分配给蜂窝链路的无线资源和其他D2D链路能够被重用。 此外,本发明的方法可以使处理由终端移动性引起的链路状态的变化以及新UE之间的D2D通信和新UE与传统UE之间的D2D通信的处理。