Qchat PTT与350M模拟对讲调度互通的可行性分析

基于CDMA2000 1x EV-DO Rev.A的Qchat数字对讲与公安专网350M(800M)模拟对讲,利用QC350M(自命名)实现Qchat与350M对讲互通的探讨。文章首先介绍了基于CDMA2000 1x EV-DO Rev.A的手机对讲业务Qchat PTT的优势,在针对目前我国公安系统仍大量使用的调度系统(350M)的不足,并结合Qchat PTT已逐步渗透到公安系统的现状,提出Qchat PTT与350M PTT调度互通的可行性分析。

This paper introduces Qchat PTT （Push to talk）based on CDMA2000 1x EV-DO Rev.A the advantages of the scheduling system, at present our police system is stil widely used （350M analog trunking system） deifciency, and with the present situation of the Qchat PTT have gradual y inifltrated into the police system, carrying out feasibility analysis of Qchat PTT interworking with 350M PTT scheduling.