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热词
    • 43. 发明授权
    • Relay node, main unit for a relay node and method therein
    • 中继节点,中继节点的主单元及其中的方法
    • US08837373B2
    • 2014-09-16
    • US13642940
    • 2011-11-01
    • Jiansong GanZhiheng GuoShaohua Li
    • Jiansong GanZhiheng GuoShaohua Li
    • H04W4/00H04W56/00H04B7/155H04W84/04H04W88/08
    • H04W56/007H04B7/155H04W56/001H04W84/047H04W88/085
    • Relay node (110), main unit (113) for a relay node and method in a main unit (113) for a relay node (110), which main unit (113) is connectible to a first radio unit (111) and to a second radio unit (112), for synchronising wireless communication over the second radio unit (112) with wireless communication over the first radio unit (111). The method comprises transmitting a synchronisation signal at the second radio unit (112), receiving the signal at the first radio unit (111), to compute a first timing difference corresponding to the signal propagation time and to adjust the downlink transmission timing at the second radio unit (112) according to the first timing difference. Similar signalling, estimation of timing difference and adjustment is made for signals to be received from the user equipment (130) at the second radio unit (112).
    • 中继节点(110),用于中继节点的主单元(113)和用于中继节点(110)的主单元(113)中的方法,该主单元(113)可连接到第一无线电单元(111),并且 第二无线电单元(112),用于使所述第二无线电单元(112)上的无线通信与所述第一无线电单元(111)之间的无线通信同步。 该方法包括在第二无线电单元(112)发送同步信号,在第一无线电单元(111)处接收信号,以计算对应于信号传播时间的第一定时差,并在第二无线单元(111)处调整下行链路传输定时 无线电单元(112)。 对于在第二无线电单元(112)处从用户设备(130)接收的信号,进行类似的信令,定时差的估计和调整。