[1] Johnson J T, Shin J C, Edison J C. A method of moments model for VHF propagation[J]. IEEE Trans Antennas and Propagation, 45, 115-125(1997).

[2] Akleman F, Sevgil. A novel MoM- and SSPE-based groundwave-propagation field-strength prediction simulator[J]. IEEE Antennas and Propagation Magazine, 49, 69-82(2007).

[3] Yee K. Numerical solution of initial boundary value problems involving Maxwell’s equations in isotropic media[J]. IEEE Trans Antennas and Propagation, 14, 302-307(1996).

[4] Akleman F, Sevgil. A novel implementation of Berenger’s PML for FDTD applications[J]. IEEE Microwave and Guided Wave Letters, 8, 324-326(1998).

[5] [5] Pichon L. Finite element analysis of bounded unbounded electromagic wave problems[C]IEE Colloquium on High Frequency Electromagic Modelling Techniques. 1995: 1113.

[6] Grubisic S, Carpes W P, Lima C B. Ray-tracing propagation model using image theory with a new accurate approximation for transmitted rays through walls[J]. IEEE Trans Magnetics, 42, 835-838(2006).

[8] [8] Medeisis A, Kajackas A. On the use of universal OkumuraHata Propagation prediction model in rural areas[C]IEEE 51st Vehicular Technology Conference Proceeding. 2000, 3: 18151818.

[9] [9] Alamoud M A, Schutz W. OkumuraHata model tuning f TETRA mobile radio wks in Saudi Arabia[C]2nd International Conference on Advances in Computational Tools f Engineering Application. 2012: 4751.

[10] Capizzi G, Coco S, Laudani A. A new tool for the identification and localization of electromagnetic sources by using independent component analysis[J]. IEEE Trans Magnetics, 43, 1625-1628(2007).

[11] Weiner M. Use of the Longley-Rice and Johnson-Gierhart tropospheric radio propagation programs: 0.02-20 GHz[J]. IEEE Journal on Selected Areas in Communications, 4, 297-307(1986).

[12] Zuliang W, Mao Z, Juan W. Improved algorithm of atmospheric refraction error in Longley-Rice channel model[J]. Journal of Systems Engineering and Electronics, 19, 683-687(2008).

[13] Leontovich M A, Fock V A. Solution of the problem of propagation of electromagnetic waves along the Earth’s surface by method of parabolic equation[J]. Journal of Physics of the USSR, 10, 13-24(1946).

[14] Dockery G D. Modeling electromagnetic wave propagation in the troposphere using the parabolic equation[J]. IEEE Trans Antennas and Propagation, 36, 1464-1470(1988).

[15] Dockery D, Kuttler J R. An improved impedance-boundary algorithm for Fourier split-step solutions of the parabolic wave equation[J]. IEEE Trans Antennas and Propagation, 44, 1592-1599(1996).