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Freedom2000系统是一个移动无线电通信系统。该系统的核心是基地站。基地站由基地台和专用小交换机两大部分组成。基地台就是一部大功率收发信机,起着转发电话的作用。作为系统的组成部分,移动台的数量较大。它可以是车载的,也可以是便携的。通常基地台是固定的。即便象Freedom这种车载基地台、只是在转移时才移动,正
Freedom2000 system is a mobile radio communication system. The heart of the system is the base station. Base station by the base station and private branch exchange two major components. Base station is a high-power transceiver, plays the role of forwarding phone. As part of the system, there are a large number of mobile stations. It can be on-board or it can be portable. Usually the base station is fixed. Even vehicles like the Freedom base station, just moving when moving, is