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    • 8. 发明授权
    • Uplink open-loop spatial multiplexing in wireless communications
    • 无线通信中的上行开环空间复用
    • US08687731B2
    • 2014-04-01
    • US12697619
    • 2010-02-01
    • Peter GaalXiliang LuoWanshi ChenJuan MontojoXiaoxia Zhang
    • Peter GaalXiliang LuoWanshi ChenJuan MontojoXiaoxia Zhang
    • H04L27/00
    • H04L25/03343H04B7/0617H04B7/0639H04L1/06H04L1/1893H04L2025/03426
    • Systems and methodologies are described that facilitate cycling through precoders for transmitting wireless network communications in a time domain. The precoders can be cycled according to a precoder sequence for each data symbol transmission. When the last precoder is selected the cycle can begin again, a new precoder sequence can be received or defined, and/or the like. A precoder sequence related to a subset of precoders present in a wireless device can be defined sequentially, cyclically shifted according to an identifier or one or more communications parameters, randomly, pseudo-randomly according to an identifier or one or more communications parameters, and/or the like. In addition, the precoder sequence can be utilized to select a precoder for one or more retransmissions. Such cycling of precoders can increase transmit diversity.
    • 描述了有助于循环通过用于在时域中发送无线网络通信的预编码器的系统和方法。 预编码器可以根据每个数据符号传输的预编码器序列循环。 当选择最后一个预编码器时,循环可以再次开始,可以接收或定义新的预编码器序列和/或类似物。 可以根据标识符或一个或多个通信参数根据标识符或一个或多个通信参数随机地随机地定义与存在于无线设备中的预编码器子集相关的预编码器序列和/ 或类似物。 此外,预编码器序列可用于为一个或多个重传选择预编码器。 预编码器的这种循环可以增加发射分集。
    • 9. 发明授权
    • Cubic-metric based frequency selective precoding for uplink in MIMO communication system
    • MIMO通信系统中上行链路的基于立方体的频率选择性预编码
    • US08687728B2
    • 2014-04-01
    • US13105654
    • 2011-05-11
    • Xiliang LuoPeter GaalJuan Montojo
    • Xiliang LuoPeter GaalJuan Montojo
    • H04B7/02
    • H04B7/0426H04L25/03343H04L27/2615
    • A method of wireless communication is disclosed which includes acquiring a first set of precoding matrices for a set of frequency bands and generating a second set of precoding matrices for the set of frequency bands based on the first set of precoding matrices. The second set of precoding matrices enables a transmission that satisfies a cubic metric criteria in multiple-in multiple-out communication mode in the uplink. In some designs, generating the second set of precoding matrices can be based on restricting the first set of precoding matrices for a set of frequency bands and transmission rank, rotating the first set of precoding matrices based for a predetermined transmission rank, or a combination thereof.
    • 公开了一种无线通信的方法,其包括获取用于一组频带的第一组预编码矩阵,并且基于第一组预编码矩阵生成用于该频带组的第二组预编码矩阵。 第二组预编码矩阵使得能够在上行链路中以多输入多输出通信模式满足三次度量标准的传输。 在一些设计中,生成第二组预编码矩阵可以基于限制用于一组频带和传输秩的第一组预编码矩阵,以基于预定传输秩旋转第一组预编码矩阵,或其组合 。
    • 10. 发明授权
    • Multiple signal transformation in wireless receivers
    • 无线接收机中的多信号变换
    • US08655282B2
    • 2014-02-18
    • US13280142
    • 2011-10-24
    • Xiliang LuoTaesang YooTao Luo
    • Xiliang LuoTaesang YooTao Luo
    • H04W24/00
    • H04L27/2691H04L5/0007H04L27/2657H04L27/2662
    • A frontend receiver of a user equipment (UE) is configured with multiple transform operations assigned to separate sets of cells. One set of cells includes the serving cell of the UE and at least one additional cell within a first offset range of the serving cell. Another set or sets of cells include additional interferer cells within another offset range of the serving cell. After tracking the common frequency/timing offsets of each set of cells the assigned transform operation for that set transforms the time domain samples into frequency domain symbols. The individual frequency/timing offsets for each cell within the set are then tracked.
    • 用户设备(UE)的前端接收器被配置为分配给单独的单元组的多个变换操作。 一组小区包括UE的服务小区和服务小区的第一偏移范围内的至少一个附加小区。 另一组或多组单元包括在服务小区的另一偏移范围内的附加干扰信元。 在跟踪每组单元的公共频率/定时偏移之后,该组的分配变换操作将时域采样转换成频域符号。 然后跟踪集合内的每个单元的各个频率/定时偏移量。