一、集群通信系统的现状集群移动通信是一种专门用于日常生产和运营管理,以及处理一些紧急或突发事件的最有效的调度指挥通信工具,属于专用业务移动通信系统,是一种高级无线调度通信系统。其系统内部的全部可用信道可为内部全体用户共用,并且具有自动选择信道的功能,从而保证全部用户共享资源、共同分担建网费用、共享信道设备、共享通信业务和共享覆盖区,并且根据需要用户可以具有不同 First, the status quo cluster communication system Cluster mobile communication is a kind of specialized for daily production and operation management, as well as dealing with some emergency or unexpected events of the most effective command and control communication equipment, is a dedicated business mobile communication system is a senior Wireless scheduling communication system. All available channels in the system can be shared by all internal users and have the function of automatically selecting channels so as to ensure that all users share resources, share the cost of network construction, share channel equipment, share communication services and shared coverage areas, and, if necessary Users can have different