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目前国内对讲机都是采用常规通信方式,这样信道的利用率比较低,而且速度慢,功能少,不适合调度通信。文中介绍了SmarTrunk集群通信系统的性能,组建,规划,操作原理和发展趋势等内容。尤其第二代SmarTrunk Ⅱ是具有更多性能,更快,更安全的数字信令协议。为信道的集群化管理提供了一种比较先进的方法和思路,提出了中小城市完善城市通信功能的有效解决方案。
At present, both domestic walkie-talkies use conventional communication methods, so that the channel utilization rate is relatively low, and the speed is slow, the functions are few and the scheduling communication is not suitable. This article describes the SmarTrunk trunking communications system performance, formation, planning, operating principles and development trends and so on. In particular, the second generation SmarTrunk II is a digital signaling protocol with more performance, faster and more security. It provides a more advanced method and idea for the cluster management of the channel and puts forward an effective solution to improve the city communication function in small and medium-sized cities.