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    • 10. 发明公开
    • CDMA cellular communication system, CDMA base station apparatus and overreach detecting method
    • Zellulare CDMA Kommunikationsanordnung,CDMABasisstationsgerätund Verfahren zur Feststellung einer Ausserreichsweite
    • EP1176738A2
    • 2002-01-30
    • EP01117969.4
    • 2001-07-24
    • MITSUBISHI DENKI KABUSHIKI KAISHA
    • Takano, Michiaki
    • H04B7/26
    • H04B7/2628
    • In a CDMA cellular communication system, there arises a problem of an overreach state in which a mobile station receives radio waves from a remote base station. In order to resolve such a problem, according to the invention, in a CDMA cellular communication system allocating the same code to a first base station (BS1), a second base station (BS2) and a third base station (BS3) installed at predetermined intervals, the first base station (BS1) is provided with a transmission interrupting unit (4) for interrupting signal transmission from its own station and a signal detecting unit (3) for carrying out signal detection by despreading a reception signal by the code allocated to its own station, and detects overreach from the second base station (BS2) during a time period of interrupting transmission from its own station.
    • 在CDMA蜂窝通信系统中,出现移动台从远程基站接收无线电波的超程度状态的问题。 为了解决这个问题,根据本发明,在向第一基站(BS1)分配相同代码的CDMA蜂窝通信系统中,第二基站(BS2)和第三基站(BS3)安装在预定的 第一基站(BS1)设置有用于中断来自其自身站的信号传输的传输中断单元(4)和用于通过分配给接收信号的代码来解扩接收信号来执行信号检测的信号检测单元(3) 并且在从其自己的站中断传输的时间段期间检测到来自第二基站(BS2)的超范围。