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    • 6. 发明申请
    • UPLINK SOUNDING REFERENCE SIGNALS CONFIGURATION AND TRANSMISSION
    • 上传参考信号配置和传输
    • US20110268028A1
    • 2011-11-03
    • US13078531
    • 2011-04-01
    • Janet A. Stern-BerkowitzChang-Soo KooPeter S. WangSung-Hyuk ShinJohn W. HaimStephen G. DickMihaela C. Beluri
    • Janet A. Stern-BerkowitzChang-Soo KooPeter S. WangSung-Hyuk ShinJohn W. HaimStephen G. DickMihaela C. Beluri
    • H04W4/00
    • H04W52/325H04L5/0048H04L27/2613
    • Methods and apparatus for sounding reference signals (SRS) configuration and transmission. The methods include receiving configuration of wireless transmit/receive unit (WTRU)-specific SRS subframes for transmitting SRS and upon receipt of a trigger, transmitting the SRS for a number of antennas. The SRS transmissions may occur in each subframe of a duration of WTRU-specific SRS subframes that start a number of WTRU-specific SRS subframes after a triggering subframe. For multiple SRS transmissions from multiple antennas, cyclic shift multiplexing and different transmission combs may be used. The cyclic shift for an antenna may be determined from a cyclic shift reference value. The cyclic shift determined for each antenna providing a maximum distance between cyclic shifts for the antennas transmitting SRS in a same WTRU-specific subframe. SRS transmissions from multiple antennas in the WTRU-specific subframe may be done in parallel. Methods for handling collisions between SRS and physical channels are presented.
    • 用于探测参考信号(SRS)配置和传输的方法和装置。 所述方法包括接收用于发送SRS的无线发射/接收单元(WTRU)特定的SRS子帧的配置,以及在接收到触发时,发射多个天线的SRS。 SRS传输可以发生在在触发子帧之后开始多个WTRU特定SRS子帧的WTRU特定SRS子帧的持续时间的每个子帧中。 对于来自多个天线的多个SRS传输,可以使用循环移位复用和不同的传输梳。 可以从循环移位基准值确定天线的循环移位。 为在相同的WTRU特定子帧中发射SRS的天线的循环移位之间提供最大距离的每个天线确定的循环移位。 WTRU特定子帧中的多个天线的SRS传输可以并行完成。 介绍了SRS和物理通道之间的碰撞处理方法。