轨道交通分布系统双通道覆盖模式分析

The analysis of dual-channel coverage mode of rail transit distribution system

随着高铁、地铁等轨道交通的飞速发展,乘坐地铁成为大多数人出行的选择。作为城市的重要交通工具,轨道交通每天的乘客流量很大,尤其是上下班时期,突发话务量特别高,当然除了语音业务的需求外,互联网时代高速数据业务需求更明显。如何在隧道保障无线网的有效覆盖,且避免干扰,提升各系统的性能,采用单通道还是双通道模式将面临一个重大选择。本文从单双通道建设模式、潜在发展驱动力、多系统干扰分析与措施等多个角度入手,分析了双通道模式建设的必要性。

With the rapid development of high-speed rail, subway and other rail transportation, the subway has become a choice for most people to travel. As an important means of transportation of the city, the daily passenger flow of rail traffic, especially during rush period, burst traffic is particularly high, of course, in addition to voice service demand, Internet era of high-speed data service demand is more obvious. How to protect the effective coverage of the wireless network in the tunnel, and avoid interference, and enhance the performance of each system, the use of single channel or dual channel mode will face a major choice. This paper analyzes the necessity of the construction of dual channel model from the point of view of single and double channel construction mode, potential development driving force and multi system interference analysis and measures.