本文描述了用于陆地移动电话系统的中容量网格点系统无线电线路结构,为了扩展服务范围,该系统已发展到部分市区. 系统采用了下列新技术: (1)无线电线路控制功能分配处理技术. (2)子基地站(SBS)无线电线路控制技术,特别是过界切换技术.引入子基站是为了复盖无线电辐射 This paper describes a medium capacity grid point system for land mobile telephony system radio line structure, in order to expand the scope of services, the system has been developed to some urban areas.The system uses the following new technologies: (1) radio line control function distribution processing Technology. (2) Sub base station (SBS) radio line control technology, especially over-the-border switching technology. Sub-base stations are introduced to cover radio emissions