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    • 2. 发明授权
    • Method and apparatus for reducing radio interferences
    • 减少无线电干扰的方法和装置
    • US09426682B2
    • 2016-08-23
    • US14385001
    • 2012-03-13
    • Pengfei SunXinying GaoHaiming WangChunyan Gao
    • Pengfei SunXinying GaoHaiming WangChunyan Gao
    • H04W24/08H04W72/08H04L5/14H04W8/18
    • H04W24/08H04L5/14H04W8/186H04W72/082Y02D70/1242Y02D70/1262Y02D70/1264
    • The present application relates generally to use of radio resources in a radio access network (RAN) and, in more specific, Full-Duplex (FD) transmission on the same carrier. Due to the mobility of the UEs or the non-optimal grouping, two UEs belonging to different groups may be close to each other while performing transmission and cause serious transmission interferences to 5 each other. This is one of the problems which a method in accordance with the invention aims to solve. When the performing the method a RAN triggers a UE to measure 601 first interferences originated from a first group of UEs. Then the RAN triggers the same UE to measure 602 second interferences originated from a second group of the UEs. Finally, the RAN places 603 the UE into the first group, if the first interferences are higher than the second interferences. The both 10 groups of the UEs are composed of such user equipments which share a group-specific transmission pattern. Uplink and downlink resources of the RAN are scheduled according to a time-division to the UEs, so that simultaneous transmissions are allowed only for such user equipments that belong to different groups. Advantages of the invention are the following: 1) simultaneous transmission and reception is supported in a RAN and in a UE which is either a FD 15 UE or a HD UE, 2) different kinds of interferences are efficiently reduced, and 3) the interferences are measured in a way that saves power.
    • 本申请一般涉及无线电接入网络(RAN)中的无线电资源的使用,并且更具体地涉及同一载波上的全双工(FD)传输。 由于UE的移动性或非最佳分组,属于不同组的两个UE在执行传输时可能彼此靠近,并且导致彼此之间的严重传输干扰。 这是根据本发明的方法旨在解决的问题之一。 当执行该方法时,RAN触发UE测量从第一组UE发起的601个第一干扰。 然后,RAN触发相同的UE来测量源自第二组UE的602个第二干扰。 最后,如果第一干扰高于第二干扰,RAN将UE置于第一组中。 这两个UE组都由具有组特定传输模式的这种用户设备组成。 根据对UE的时分,调度RAN的上行链路和下行链路资源,使得仅对属于不同组的用户设备允许同时传输。 本发明的优点如下:1)在RAN和作为FD 15 UE或HD UE的UE中支持同时发送和接收,2)有效地减少不同种类的干扰,3)干扰 以节省电力的方式进行测量。
    • 6. 发明授权
    • Data processing method and base station for downlink transmit diversity
    • 下行链路传输分集的数据处理方法和基站
    • US08385453B2
    • 2013-02-26
    • US12833881
    • 2010-07-09
    • Anxin LiYuan YanXinying GaoHidetoshi Kayama
    • Anxin LiYuan YanXinying GaoHidetoshi Kayama
    • H04B7/02H04L1/02
    • H04B7/0689H04L1/0606H04L1/0618H04L5/0023H04L5/0044H04L2001/0098
    • A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port pairing mode corresponding to a current slot; performing, for OFDM symbols including the reference signal in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol groups according to the first antenna port pairing mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the time domain symbols to a physical antenna for transmission. According to embodiments of the invention, comparatively important symbols may obtain better protection.
    • 公开了一种用于下行链路发射分集的数据处理方法和基站。 该方法的一个实施例包括:获得通过在间隔中布置第一类型数据符号和第二类型数据符号形成的数据符号组,其中第一类型数据符号更重要; 确定对应于当前时隙的第一天线端口配对模式; 对于包括当前时隙中的参考信号的OFDM符号,对与根据第一天线端口配对模式的数据符号组相对应的发射分集矩阵中的符号执行天线端口和子载波映射,其中符号相关的子载波 位于第一类型数据符号的位置更靠近相同天线端口处的参考信号所位于的子载波; 对映射到子载波上的符号执行反快速傅里叶变换和循环前缀插入处理,然后将时域符号映射到物理天线进行传输。 根据本发明的实施例,比较重要的符号可以获得更好的保护。
    • 7. 发明申请
    • DATA PROCESSING METHOD AND BASE STATION FOR DOWNLINK TRANSMIT DIVERSITY
    • 数据处理方法和基站用于下行链路传输多样性
    • US20110013713A1
    • 2011-01-20
    • US12833881
    • 2010-07-09
    • Anxin LiYuan YanXinying GaoHidetoshi Kayama
    • Anxin LiYuan YanXinying GaoHidetoshi Kayama
    • H04B7/02
    • H04B7/0689H04L1/0606H04L1/0618H04L5/0023H04L5/0044H04L2001/0098
    • A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port paring mode corresponding to a current slot; performing, for OFDM symbols including reference signals in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol group according to the first antenna port paring mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the symbols to a physical antenna for transmission. According to embodiments of the invention, comparatively important symbols may obtain better protection.
    • 公开了一种用于下行链路发射分集的数据处理方法和基站。 该方法的一个实施例包括:获得通过在间隔中布置第一类型数据符号和第二类型数据符号形成的数据符号组,其中第一类型数据符号更重要; 确定对应于当前时隙的第一天线端口配对模式; 对于包括当前时隙中的参考信号的OFDM符号,对根据第一天线端口配对模式对应于数据符号组的发射分集矩阵中的符号执行天线端口和子载波映射,其中,将与 第一类型数据符号位于相邻天线端口处的参考信号所在的子载波上; 并且对映射到子载波的符号执行反快速傅里叶变换和循环前缀插入处理,然后将符号映射到物理天线进行传输。 根据本发明的实施例,比较重要的符号可以获得更好的保护。