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    • 65. 发明申请
    • SHARED SIGNALING CHANNEL
    • 共享信道
    • WO2007051159A2
    • 2007-05-03
    • PCT/US2006/060292
    • 2006-10-27
    • QUALCOMM IncorporatedKHANDEKAR, AamodGOROKHOV, AlexeiGORE, Dhananjay, AshokTEAGUE, Edward, HarrisonDONG, Min
    • KHANDEKAR, AamodGOROKHOV, AlexeiGORE, Dhananjay, AshokTEAGUE, Edward, HarrisonDONG, Min
    • H04Q7/38H04L27/26H04B7/005
    • H04L5/0044H04L5/0007H04L5/0048H04L5/0053
    • A shared signaling channel can be used in an Orthogonal Frequency Division Multiple Access (OFDMA) communication system to provide signaling, acknowledgement, and power control messages to access terminals within the system. The shared signaling channel can be assigned to a predetermined number of sub-carriers within any frame. The assignment of a predetermined number of sub-carriers to the shared signaling channel establishes a fixed bandwidth overhead for the channel. The actual sub-carriers assigned to the channel can be varied periodically, and can vary according to a predetermined frequency hopping schedule. The amount of signal power allocated to the signaling channel can vary on a per symbol basis depending on the power requirements of the communication link. The shared signaling channel can direct each message carried on the channel to one or more access terminals. Unicast messages allow the channel power to be controlled per the needs of individual communication links.
    • 可以在正交频分多址(OFDMA)通信系统中使用共享信令信道,以向系统内的接入终端提供信令,确认和功率控制消息。 共享信令信道可以被分配给任何帧内的预定数量的子载波。 将预定数量的子载波分配给共享信令信道为信道建立固定的带宽开销。 分配给信道的实际子载波可以周期性地变化,并且可以根据预定的跳频调度而变化。 分配给信令信道的信号功率的量可以根据通信链路的功率要求在每个符号的基础上变化。 共享信令信道可以将信道上承载的每个消息引导到一个或多个接入终端。 单播消息允许根据各个通信链路的需要来控制信道功率。