基于同源信号光传输技术的隧道无线广播覆盖系统

Tunnel Radio & Television Coverage System Based on the Digital Optical Transmission Technology of Homologous Signal

主要介绍基于同源信号数字化光传输技术构建的隧道无线广播电视覆盖系统。系统采用近端信号源处理与远端光纤直放站组合的方式,利用泄漏电缆实现洞内洞外的无缝覆盖。综合网管系统可实现对重要覆盖设备关键指标的实时监控与远程管理,自主开发的手机App远程监控系统与基于惯性导航的隧道无线覆盖测量与分析系统开创了系统运维与隧道实时路测的先河,具有积极的引领与示范作用。该系统的技术性能和质量指标达到国内领先水平,而且系统设计充分考虑到今后科技的发展趋势和用户需求,具有更新、扩容和升级的可能。

The tunnel radio & television coverage system is based on the digital optical transmission technology of homologous signal,near end signal processing units combined with far end optical fiber repeaters and leaky coaxial cable to realize seamless coverage inside and outside of the tunnel. Meanwhile, it is assembled with integrated network management system to fulfill real-time monitoring of key parameters and remote operation of key devices. Furthermore, the science & technology development trend and user demand have been fully taken into account, with possibility of renew, updating & capacity expansion. Especially, the self-developed mobile App of remote monitoring system and the tunnel wireless coverage measurement and analysis system based on inertial navigation are innovative in this field. As a pioneer, the system has reached domestic advanced level.