PDT数字集群技术及在地铁公安通信中的应用  

Application of PDT Digital Trunking Technology in Subway Public Security Communication

作　　者：姜彬 

机构地区：[1]石家庄市轨道交通有限责任公司

出　　处：《电气化铁道》2018年第4期65-68,72,共5页Electric Railway

摘　　要：PDT数字集群标准吸收了国际上成熟的TETRA、P25、DMR、MPT无线通信标准的优点,是我国公安无线通信系统发展的主流。PDT系统具有语音质量好、频谱利用率高、安全保密性强、网络扩展性好等特点和多种呼叫优先级、故障弱化、虚拟网等功能,可满足公安和消防等不同部门的需求。本文介绍了PDT数字集群无线通信系统的构成、特点、主要功能以及在地铁公安通信系统中的应用。The PDT digital trunking technology, absorbed the advantages of internationally proved wireless communication standards of TETRA, P25, DMR, MPT, is a main tendency for development of public security communication systems in China. PDT system has characteristics of good voice quality, high availability of spectrum, strong security and confidentiality and good expansion of its network as well as the functions of multiple call priority, weakening of fault and virtual network, and is able to meet the requirements of different public security departments and fire fighting departments. The paper introduces the composition, characteristics, main functions of PDT digital trunking wireless communication system and its main functions for application in subway public security communication system.

关 键 词：PDT数字集群系统 构成 特点 功能 地铁中的应用 

分 类 号：U231.7[交通运输工程—道路与铁道工程]