1Emslie A, Lagace R, Strong P. Theory of the propagation of UHF radio waves in coal mine tunnels[ J ].IEEE Transactions on Antennas and Propagation, 1975,23:192-205.
2Deryck L. Natural propagation of electromagnetic waves in tunnels [J]. IEEE Transactions on Vehicular Technology, 1978,27:145-150.
3Jacard B, Maldonado O. Microwave modeling of rectangular tunnels [ J ]. IEEE Transactions on Microwave Theory and Techniques, 1984, 32:576581.
5Sun J P, Cheng L F, Liu X Y. Influence of electrical parameters on UHF radio propagation in tunnels[A].In the Joint Conference of the 10th Asia-Pacific Conference on Communications and the 5th International Symposium on Multi-Dimensional Mobile Communications[C]. Beijing: IEEE Press, 2004.436-438.
6Zhang Y P. Novel model for propagation loss prediction in tunnels [J]. IEEE Transactions on Vehicular Technology, 2003,52(5) :1308-1314.
7Abo S, Osama M. Propagation of electromagnetic waves in a rectangular tunnel [J ]. Applied Mathematics and Computation, 2003, 136 (2-3):405-413.
6Lee Youngseok, Kim Kyoungae, Choi Yanghec. Optimization of AP Placement and Channel Assignment in Wireless LANs [ C ]. LCN'02 : Proceedings of the 27th Annual IEEE Conference on Local Computer Networks, Washington, 2002 : 831-836.