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    • 39. 发明申请
    • OPTIMIZED UPLINK CONTROL SIGNALING FOR EXTENDED BANDWIDTH
    • 优化的上行链路控制信令扩展带宽
    • WO2010035117A1
    • 2010-04-01
    • PCT/IB2009/006945
    • 2009-09-23
    • NOKIA CORPORATIONCHE, Xiang GuangTIIROLA, EsaPAJUKOSKI, Kari
    • CHE, Xiang GuangTIIROLA, EsaPAJUKOSKI, Kari
    • H04W72/04
    • H04L5/0055H04L1/1861H04L5/001H04L5/0053H04L5/0092H04W72/0413H04W72/042
    • According to an embodiment a user equipment UE transmits uplink control signals using one or more chunks of uplink frequency spectrum that contain a simultaneous uplink shared channel; and for the case where there is no simultaneous uplink shared channel available, the UE transmits uplink control signals using only a single chunk of uplink frequency spectrum. In various embodiments the control signals are ACK/NACK control signals transmitted on an uplink control channel, the uplink shared channel comprises a chunk-specific uplink control channel, and each chunk comprises a component carrier of a LTE-A system. Downlink assignment index bits may be included in a downlink grant to the UE which indicates how many chunks in total are allocated in a current downlink subframe. The UE can also use ACK/NACK control signal bundling over chunks in addition to either or both of chunk- specific ACK/NACK control signals or ACK/NAK control signal multiplexing.
    • 根据实施例,用户设备UE使用包含同时上行链路共享信道的上行链路频谱的一个或多个块来发送上行链路控制信号; 并且对于没有同时的上行链路共享信道可用的情况,UE仅使用单个上行链路频谱块发送上行链路控制信号。 在各种实施例中,控制信号是在上行链路控制信道上发送的ACK / NACK控制信号,所述上行链路共享信道包括特定于块的上行链路控制信道,并且每个块包括LTE-A系统的分量载波。 下行链路分配索引比特可以包括在UE的下行链路许可中,该下行链路授权指示在当前下行链路子帧中分配了多少组块。 除了块特定ACK / NACK控制信号或ACK / NAK控制信号复用中的一个或两者之外,UE也可以使用块上的ACK / NACK控制信号捆绑。