摘要介绍了MESH网络的概念及无线通信的特点,通过现场测试数据及其应用表明,电力隧道内覆盖Wi-Fi无线信号,信号稳定可靠,数据传输量大,可以实现隧道内的应急通信、视频传输、GPS定位和设备终端数据上传等重要功能,根据500 k V盾构电力隧道结构特点,对十字分割舱体内无线Wi-Fi信号传输特性进行测试,提出Wi-Fi无线通信系统并组建可行方案。
3Cao H, Zhang Y P. Radio propagation along a radiated mode leaky coaxial cable in tunnels [ C]//Proceedings of 1999 Asia and Pa- cific Microwave Conference, Singapore, 1999:270 -272.
4Wang Junhong , Mei K K. Theory and analysis of leaky coaxial cables with periodic slots [ J ]. IEEE Transactions on Antennas and Propagation ,2001,49 ( 12 ) : 1723 -1732.
5Yang Xiaodong , Feng Linlin. Research on the radiation field of leaky coaxial cable using FDTD[ C ]//The 4th IEEE International Conference on Wireless Communications, Networking and Mobile Computing, Dalian,2008.
6Teixeira F L, Chew W C. PML-FDTD in cylindrical and spherical grids [ J]. IEEE Microwave and Guided Wave Letters, 1997, 7 ( 11 ) :285 -287.
