地铁TETRA双交换中心冗余热备负荷分担方案研究  

Researches of Redundant Hot Standby Load Sharing Scheme for Subway TETRA Dual-switching Center

作　　者：姜彬 JIANG Bin

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》2020年第2期58-60,63,共4页Electric Railway

摘　　要：TETRA数字集群通信系统在地铁领域主要用于指挥调度通信,TETRA交换中心的稳定性、可靠性是地铁建设和运营单位较为关心的因素之一。本文分析了目前常用双交换中心方案的优缺点,研究并提出了双交换中心负荷分担冗余热备方案,对提升网络的可靠性、安全性具有重要意义。The TETRA digital trunking communication system applied in subway field is mainly served for commanding and dispatching communication,the stability and reliability of the TETRA switching center are the more concerned factors by the subway construction and operation sectors.The paper analyzes the advantages and disadvantages of concurrently adopted scheme for dual-switching center,researches and puts forward the scheme for the load sharing redundant hot standby for dual-switching center,having great significance for improving of reliability and safety of the network.

关 键 词：地铁 TETRA数字集群通信系统 双交换中心 

分 类 号：U231.7[交通运输工程—道路与铁道工程]