通信系统是现代有轨电车运营指挥、服务乘客的网络平台，是现代有轨电车正常运转的神经系统，可为列车运行的快捷、安全、准点提供基本保障。对沈阳现代有轨电车通信系统整体系统方案、特点、功能等进行详细分析，并结合参建经验，提出几点心得体会。

Communication system of modern tram is a network platform for operations command and passenger service. It is the nervous system of modern tram’s normal operation and it provides basic security for the safe, fast and punctual train operation. This paper analyzed system solutions, features, functions of the communication system of Shenyang tram on the base of the experiences of participating in the construction. Some suggestions were proposed.