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    • 9. 发明授权
    • Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel
    • 使用公共功率控制信道向移动台发送的多个数据流的前向链路功率控制
    • US07899485B2
    • 2011-03-01
    • US12712927
    • 2010-02-25
    • Stein A. LundbyLeonid Razoumov
    • Stein A. LundbyLeonid Razoumov
    • H04B7/00H04B1/04
    • H04W52/40H04W52/08H04W52/143H04W52/20H04W52/24H04W52/248H04W52/54H04W52/58H04W52/60
    • A method and apparatus for controlling transmit power levels of a plurality of different data streams transmitted from at least one base station to a mobile station in a mobile radio communication system. The first and second data streams are transmitted from the base station and received at the mobile station. A stream of power control commands is formed at the mobile station in accordance with either the first or second received data stream. A power control signal is formed at the mobile station from the first stream of power control commands and transmitted to the base station. A received stream of power control commands is formed from the received power control signal at the base station, and the transmit power levels of the first and second data streams from the base station are controlled in accordance with the received stream of power control commands. Additional streams of power control commands can also be generated at the mobile station where one or both of the first and second data streams are simultaneously transmitted to the mobile station from further base stations, and these additional streams of power control commands can be interleaved to form an interleaved power control signal that is sent to all the base stations transmitting the first and second data streams to the mobile station and used for controlling the transmit power of the first and second data streams from such base stations.
    • 一种用于控制在移动无线电通信系统中从至少一个基站发送到移动台的多个不同数据流的发射功率电平的方法和装置。 从基站发送第一和第二数据流,并在移动站接收。 根据第一或第二接收数据流,在移动站处形成功率控制命令流。 功率控制信号由移动站从第一功率控制命令流形成并发射到基站。 接收到的功率控制命令流由基站处的接收功率控制信号形成,并且根据所接收的功率控制命令流来控制来自基站的第一和第二数据流的发射功率电平。 附加的功率控制命令流也可以在移动站处产生,其中第一和第二数据流中的一个或两个从另外的基站同时发送到移动站,并且这些额外的功率控制命令流可以被交织以形成 交织的功率控制信号,被发送到向基站发送第一和第二数据流的所有基站,并用于控制来自这些基站的第一和第二数据流的发射功率。