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    • 47. 发明申请
    • UE TIMING ADJUSTMENT IN A MULTI-RAT, CARRIER AGGREGATION COMMUNICATION SYSTEM
    • 多时隙,载波聚合通信系统中的UE时序调整
    • WO2012064255A1
    • 2012-05-18
    • PCT/SE2011/051300
    • 2011-11-01
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)KAZMI, MuhammadHU, Rong
    • KAZMI, MuhammadHU, Rong
    • H04W56/00H04W16/24
    • H04W72/1215H04L5/001H04W28/04H04W56/0005H04W56/0045H04W74/02H04W88/06
    • A common uplink timing adjustment parameter value is estimated for UE transmissions in the multi-RAT communications network and provided for transmission to one or more UEs (120). That signaling parameter value is common to both the first and second RATs and useable by the one or more UEs to adjust transmit timing of uplink carriers belonging to the different RATs. The common timing adjustment parameter value may be provided, for example, in order to coordinate UE transmit timing of a first uplink carrier associated with the first RAT and of a second uplink carrier associated with the second RAT. A multi-RAT UE concurrently receives a first downlink carrier associated with the first RAT and a second different downlink carrier associated with the second RAT. The UE receives the common timing adjustment parameter value on one of those downlink carriers and adjusts a transmit timing of a first uplink carrier associated with the first RAT and of a second uplink carrier associated with the second RAT.
    • 针对多RAT通信网络中的UE传输估计公共上行链路定时调整参数值,并提供给一个或多个UE(120)的传输。 该信令参数值对于第一RAT和第二RAT是共同的,并且可由一个或多个UE调用来调整属于不同RAT的上行链路载波的发射定时。 例如,可以提供公共定时调整参数值,以便协调与第一RAT相关联的第一上行链路载波和与第二RAT相关联的第二上行链路载波的UE发射定时。 多RAT UE同时接收与第一RAT相关联的第一下行链路载波和与第二RAT相关联的第二不同下行链路载波。 UE在这些下行链路载波之一上接收公共定时调整参数值,并且调整与第一RAT相关联的第一上行链路载波和与第二RAT相关联的第二上行链路载波的发射定时。