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1. 发明授权

US4163121A Radio channel control system for mobile radio telephone systems 失效
标题翻译：用于移动无线电话系统的无线电频道控制系统
公开(公告)号：US4163121A
公开(公告)日：1979-07-31
申请号：US829061
申请日：1977-08-30
申请人： Noriaki Yoshikawa , Hitoshi Komagata , Yoshio Sato
发明人： Noriaki Yoshikawa , Hitoshi Komagata , Yoshio Sato
IPC分类号： H04M3/22 , H04M3/42 , H04W72/04 , H04W84/02 , H04Q7/00
CPC分类号： H04M1/72508 , H04W84/042
摘要： In a mobile telephone system of the type in which the service area of the system is divided into a plurality of radio zones, mobile-system base stations are installed in respective radio zones, each mobile-system base station is connected to a mobile-system control unit through a common control channel and a plurality of speech channels, and the mobile-system control unit is connected to an existing telephone network via a mobile-system exchange unit, there are provided signal lines extending between the mobile-system base stations and the mobile-system control unit and between the mobile-system control unit and the mobile-system exchange unit and respectively combined with each of the speech channels. These signal lines are used to determine the state of the speech channels, and to transmit control and information signals.
摘要翻译：在将系统的服务区域划分为多个无线区域的类型的移动电话系统中，移动系统基站安装在各个无线区域中，每个移动系统基站连接到移动系统控制单元通过公共控制信道和多个语音信道，并且移动系统控制单元经由移动系统交换单元连接到现有的电话网络，提供了在移动系统基站和移动系统控制单元和移动系统控制单元与移动系统交换单元之间并分别与每个语音信道组合。这些信号线用于确定语音信道的状态，并发送控制和信息信号。

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