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热词
    • 2. 发明公开
    • Process and device for the equalization of the transmission time of a plurality of radio base stations
    • 用于均衡多个无线电基站的传输时间的过程和设备
    • EP0634851A2
    • 1995-01-18
    • EP94110072.9
    • 1994-06-29
    • ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI s.p.a.
    • Lazzari, Paolo
    • H04J3/06
    • H04J3/0682
    • Process and device for the equalization the transmission time To of m radio base stations (RFP) linked through one or more PCM lines to a master unit (MUI).
      The process consists of measuring the delay (RRS) by which the slave stations receive a reference signal (Tm) emitted by the master unit, and storing in each slave station (RFP) a representative information of the complement of said delay (RRS) with respect to the above-said transmission time To.
      The device comprises a counter (CK), qualified for the calculation of said reference signal (Tm), set up by the synchronism signal allocated in the time slot zero of the PCM frame, and blocked by a signal (r) available at the output of a recognition unit of the time slot zero of the PCM frame emitted by the interlocutor station.
    • 用于均衡通过一条或多条PCM线路链接到主单元(MUI)的m个无线基站(RFP)的传输时间To的过程和设备。 该过程包括测量从站接收由主单元发射的参考信号(Tm)的延迟(RRS),并且在每个从站(RFP)中存储所述延迟(RRS)的补码的代表性信息以及 关于上述传输时间To。 该装置包括一个计数器(CK),用于计算所述参考信号(Tm),该计数器由在PCM帧的时隙零中分配的同步信号建立,并被输出端可用的信号(r) 由对话台发出的PCM帧的时隙零的识别单元的信息。