摘要
分析城市轨道交通通信传输系统的功能需求和定位,以及通信网络数字化趋势下传输系统承载业务接口的发展趋势。简要介绍传统的OTN(开发式传输网络)技术、MSTP(多业务传输平台)技术,重点阐述以PTN(分组传输网络)技术作为城市轨道交通通信传输系统应用的可行性及优势,展望PTN技术在地铁中的应用前景。
The article analyzes the functional requirements and positioning of urban rail transit communication transmission system and the development trend of bearing service interface under the digital trend of communication network transmission system, briefly introduces the traditional OTN （open transmission network） technology, MSTP （multi-service transmission platform） technology, and elaborates emphatically the feasibility and advantages of applying PTN （packet trans-mission network） technology as the urban rail transit communication transmission system, as well as the prospect of app/ying PTN technology in subway.
出处
《都市快轨交通》
北大核心
2012年第2期91-94,共4页
Urban Rapid Rail Transit
