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    • 5. 发明授权
    • Beamed antenna system
    • 天线系统
    • US06397082B1
    • 2002-05-28
    • US08849084
    • 1997-07-14
    • Jeffrey Graham Searle
    • Jeffrey Graham Searle
    • H04B138
    • H04W48/12H04W16/28Y02D70/1222
    • A radio communication system (10) is disclosed which comprises a base station (12) for transmitting and receiving signals to and from one or more remote stations (16). The base station (12) is provided with at least one receive antenna (14) coupled to a base station receiver. The receive antenna (14) is provided with a directional pattern in a horizontal plane and a mechanism for steering the directional pattern azimuthly, until such time as a synchronization signal transmitted by a remote station located within the coverage area is received by the base station receiver. Upon detection of the synchronization signal, scanning of the receive antenna's pattern is stopped until such time as message information can be obtained from the remote station (16) and forwarded to a particular destination requested by the remote station. Upon receiving the information, the base station (12) will resume scanning of the antenna (14), and the information will be forwarded to its requested destination.
    • 公开了一种无线电通信系统(10),其包括用于向一个或多个远程站(16)发送和接收信号的基站(12)。 基站(12)设置有耦合到基站接收机的至少一个接收天线(14)。 接收天线(14)在水平面中设置有方向图,以及用于方位指向方向图的机构,直到由位于覆盖区域内的远程站发送的同步信号被基站接收机接收 。 在检测到同步信号时,停止对接收天线的模式的扫描,直到从远程站(16)获得消息信息的时间并转发到由远程站请求的特定目的地。 基站(12)接收到信息后,将重新扫描天线(14),并将信息转发到其请求的目的地。