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    • 8. 发明申请
    • UPLINK SYNCHRONIZATION PROCESSING
    • 上拉同步处理
    • WO2011087416A2
    • 2011-07-21
    • PCT/SE2010/050038
    • 2010-01-15
    • Telefonaktiebolaget LM Ericsson (publ)LANGEREIS, AlexanderHUSS, Fredrik
    • LANGEREIS, AlexanderHUSS, Fredrik
    • H04W56/00
    • H04W56/0045
    • Uplink synchronization of user equipment, UE, (30, 40, 50) served by a radio base station, RBS, (20) is enabled by triggering (re)start of timing alignment, TA, timer (180) in response to a first TA command. Uplink timing of data received from the UE (30, 40, 50) during a measuring time window (63) constituting a defined sub-interval of a time interval (60) of the TA timer (180) is measured and employed for determining a timing advance for the UE (30, 40, 50). Transmission of a second TA command comprising a notification of the timing advance is co-scheduled together with a scheduled downlink data transmission to the UE (30, 40, 50) during a following scheduling time window (65) constituting a defined sub-interval of the time interval (60). The number of TA commands that are scheduled by themselves are minimized to free radio resources and increase the downlink throughput.
    • 由无线电基站RBS(20)服务的用户设备UE(30,40,50)的上行链路同步通过触发(重新)定时对准的开始,TA,计时器(180)响应于第一 TA指令。 测量构成TA定时器(180)的时间间隔(60)的限定子间隔的测量时间窗(63)期间从UE(30,40,50)接收的数据的上行时序,并用于确定 UE的定时提前(30,40,50)。 在后续的调度时间窗口(65)中,包括定时提前的通知的第二TA命令的传输与调度的下行链路数据传输一起被调度到UE(30,40,50) 时间间隔(60)。 自己调度的TA命令的数量被最小化,以便释放无线电资源并增加下行吞吐量。