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    • 9. 发明授权
    • Base station and mobile communication system
    • 基站和移动通信系统
    • US07068637B2
    • 2006-06-27
    • US09794343
    • 2001-02-28
    • Joichi SaitoYuuji IshidaToshiro Suzuki
    • Joichi SaitoYuuji IshidaToshiro Suzuki
    • H04B7/216
    • H04B1/71072
    • In a mobile communication system employing code division multiple accesses and having radio logical channels such as control channels and traffic channels, for the purpose of interference cancellation processing which is implemented without a large processing delay even under a call control application, the baseband receiving part of the mobile communication system includes a common control channel demodulator 302 which executes the demodulation processing of a common control channel as to a received baseband reception signal 301, an interference canceller 309 which executes interference cancellation processing for a received multiplexed signal on the basis of the notification information of the control channels, and a synthesis/error correction processor 315 which executes error correction processing, etc. as to user information having undergone the interference cancellation processing and thereafter executes frame formation processing. The common control channel is demodulated by the common control channel demodulator 302 and is not submitted to interference cancellation processing, thereby to heighten the processing speed of system information. In the interference canceller 309, cross-correlation interferences are cancelled as to the dedicated control channel and the traffic channel other than the common control channel, thereby to enhance a channel efficiency.
    • 在采用码分多址的移动通信系统中,具有诸如控制信道和业务信道的无线电逻辑信道,为了即使在呼叫控制应用下也没有大的处理延迟而实现的干扰消除处理,基带接收部分 移动通信系统包括公共控制信道解调器302,其执行关于接收基带接收信号301的公共控制信道的解调处理,干扰消除器309,其基于通知执行接收的多路复用信号的干扰消除处理 控制信道的信息,以及对经过干扰消除处理的用户信息执行纠错处理的合成/纠错处理器315,然后执行帧形成处理。 公共控制信道由公共控制信道解调器302解调,不进行干扰消除处理,提高系统信息的处理速度。 在干扰消除器309中,对专用控制信道和除公共控制信道以外的业务信道的互相关干扰被消除,从而提高信道效率。