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    • 1. 发明公开
    • 기지국 시스템
    • 基站系统
    • KR1020070119022A
    • 2007-12-18
    • KR1020077022706
    • 2005-12-29
    • 다 탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드
    • 리쉬허쉬티에쭈왕홍보왕리웨이천시아오쪼우리우시앤짜오구오신우지앤펑
    • H04B7/155
    • H04W88/08H04W88/085
    • A base station system includes an indoor section and a remote radio frequency subsystem (RRS). Said indoor section includes RIU, CCU, BBU and GPSU as well as a local interface unit RRS includes a remote interface unit, a radio frequency transmitting and receiving unit (TRU)and an antenna. Said local interface unit and said remote interface unit can accomplish signal exchange: TRU is a radio frequency transmitting and receiving module of current RFU and can amplify analog radio frequency signal transmitted from remote interface unit and transport it to antenna so as to be transmitted. By selecting flexibly optical fiber cable or intermediate frequency cable connection said interface unit of present invention can provide two pulling mode, i.e. digital baseband pulling and intermediate frequency pulling. Said base station of present invention can reduce station sites of base station save network operating costs on the other hand base station can cover cells with intelligent antennas, accomplish the connection using an optical cable or intermediate frequency cable thus reduce engineering installation difficulty.
    • 基站系统包括室内部分和远程射频子系统(RRS)。 所述室内部分包括RIU,CCU,BBU和GPSU,以及本地接口单元RRS包括远程接口单元,射频发射和接收单元(TRU)和天线。 所述本地接口单元和所述远程接口单元可以实现信号交换:TRU是当前RFU的射频发射和接收模块,并且可以放大从远程接口单元发送的模拟射频信号并将其传输到天线以便发送。 通过选择灵活的光纤电缆或中频电缆连接,本发明的接口单元可以提供两种牵引模式,即数字基带拉和中频牵引。 本发明的所述基站可以减少基站的站点节省网络运营成本,另一方面,基站可以用智能天线覆盖小区,利用光缆或中频电缆实现连接,从而降低工程安装的难度。