• 沒有找到結果。

未來研究方向

在文檔中 行動通信電波傳播之研究(III) (頁 109-114)

第七章 結論

7.3 未來研究方向

未來3G基地台建設完成後,可實測3G基地台發射天線的電 波傳播特性並與模擬結果比較。另可探討3G基地台與2G基地台 共站或共構時天線間的耦合及信號間互調變干擾等問題。至於基 地台扇型天線之電磁散射表面的設計與應用,則可針對不同天線 結構、尺寸、天線罩之厚度和介電係數進行模擬與測量,來探討 其他天線種類與形式使用電磁散射表面的可能性。另外,可應用 時域有限差分軟體與人體電磁結構參數資料,來分析基地台與手 機天線周遭之人體電磁波能量特定吸收比(SAR),並探討降低 人體SAR之方法。

參考文獻

[1] C.-F. Yang, B.-C. Wu, and C.-J. Ko, “A Ray Tracing Method for Modeling Indoor Wave Propagation and Penetration,” IEEE Transactions on Antennas and Propagation, Vol.46, No.6, pp.907-919, June 1998.

[2] C.-F. Yang and B.-C. Wu, “A ray-tracing/PMM hybrid approach for determining wave propagation through periodic structures,” IEEE Transactions on Vehicular Technology, Vol.

50, No. 3, pp.791-795, May 2001.

[3] C.-F. Yang, W.-Y. Chang, W.-Y. Hwu, H.-J. Li, and S.-K. Jeng,

“A Forward Scattering UTD Method for Determining Wave Propagation over Irregular Terrain,” IEEE Transactions on Antennas and Propagation, a full paper under revising.

[4] T.-S. Wang and C.-F. Yang, “Simulations and Measurements of Wave Propagations in Curved Road Tunnels for Signals from GSM Base Stations,” 2003 IEEE AP-S International Symposium and URSI Radio Science Meeting, June 2003.

[5] T.-S. Wang and C.-F. Yang, “A Global Ray-Tube Tracing Method to Determine Signal Variations in Urban Areas for Mobile Communications,” 2003 IEEE AP-S International Symposium and URSI Radio Science Meeting, June 2003.

[6] W.-Y. Chang C.-F. Yang and T.-S. Wang, “A Forward Scattering UTD Method for Determining Signals from GSM Base Stations in Urban,” 2003 IEEE AP-S International Symposium and URSI Radio Science Meeting, June 2003.

[7] C.-F. Yang and B.-C. Wu, “Simulations and Measurements for Indoor Wave Propagation through Periodic Structures,” 1999 IEEE AP-S International Symposium and URSI Radio Science Meeting, pp.384-387, July 1999.

[8] C.-F. Yang and B.-C. Wu, “A Ray-Tracing/PMM Hybrid Approach for Determining Indoor Wave Propagation through Periodic Structures,” Progress in Electromagnetics Research Symposium, PIERS 1999, March 1999.

[9] C.-F. Yang, W.-Y. Chang, W.-Y. Hwu, and H.-J. Li, “An automated UTD approach for modeling wave propagation over hilly terrain based on digital maps Antennas and Propagation,”

1998. IEEE Society International Symposium, Vol. 4, pp.

1880-1883, Vol. 4, 1998.

[10] C.-F. Yang, C.-J. Ko, and B.-C. Wu, “Field Measurements and Ray Tracing Simulations for Indoor Wireless Communications,” The Seventh IEEE International Symposium on Personal, Indoor and Mobile Radio Communications PIMRC’96, pp. 776-780, October 1996.

[11] C.-F. Yang and C.-J. Ko, “A Ray Tracing Method for Modeling Indoor Wave Propagation and Penetration,” 1996 IEEE AP-S International Symposium and URSI Radio Science Meeting, pp.441-444, July 1996.

[12] C.-F. Yang, C.-J. Ko, and B.-C. Wu, “A free space approach for extracting the equivalent dielectric constants of the walls in buildings,” 1996 IEEE AP-S International Symposium and URSI Radio Science Meeting, pp.1036-1039, July 1996.

[13] T. Kurner, D.J. Cichon, and W. Wiesbeck, “Concepts and Results for 3D Digital Terrain-Based Wave Propagation Models:

An Overview,” IEEE Journal on Selected Areas in Communications, Vol.11, No.7, pp.1002-1012, September 1993.

[14] H.R. Anderson, “A Ray-Tracing Propagation Model for Digital Broadcast Systems in Urban Areas,” IEEE Transactions on Broadcasting, Vol.39, No.3, September 1993.

[15] H.L. Bertoni, W. Honcharenko, L.R. Maciel, and H.H. Xia,

“UHF Propagation Prediction for Wireless Personal Communications,” Proceeding of the IEEE, Vol.82, No.9, September 1994.

[16] S.Y. Tan and H.S. Tan, “A Microcellular Communications Propagation Model Based on the Uniform Theory of Diffraction and Multiple Image Theory,” IEEE Transactions on Antenna and Propagation, Vol.44, No.10, October 1996.

[17] O. Landron, M.J. Feuerstein, and T.S. Rappaport, “A Comparison of Theoretical and Empirical Reflection Coefficients for Typical Exterior Wall Surfaces in a Mobile Radio Environment,” IEEE Transactions on Antennas and

propagation measurements in concrete building for indoor radio communications,” IEEE Transactions on Vehicular Technology, Vol.VT-35, No.4, pp.146-151, November 1986.

[19] H.W. Arnold, R.R. Murray, and D.C. Cox, “815 MHz radio attenuation measured within two commercial buildings,” IEEE Transactions on Antennas and Propagation, Vol.37, No.10, pp.1335-1339, October 1989.

[20] R.J.C. Bultitude, S.A. Mahmoud, and W.A. Sullivan, “A comparison of indoor radio propagation characteristics at 910 MHz and 1.75 GHz,” IEEE Journal on Selected Areas in Communications, Vol.7, No.1, pp.20-30, January 1989.

[21] T.S. Rappaport, “Indoor radio communications for factories of the future,” IEEE Communications Magazine, pp.15-24, May 1989.

[22] T.S. Rappaport, S.Y. Seidel, and R. Singh, “900-MHz multipath propagation measurements for U.S. digital cellular radiotelephone,” IEEE Transactions on Vehicular Technology, Vol.39, No.2, pp.132-139, May 1990.

[23] T.S. Rappaport, “Wireless personal communications trends and challenges,” IEEE Antennas and Propagation Magazine, Vol.33, No.5, pp.19-29, October 1991.

[24] H. Suzuki, “A statistical model for urban radio propagation,”

IEEE Transactions on Communications, Vol.COM-25, No.7, pp.673-680, July 1977.

[25] T S. Rappaport, and C.D. Mcgillem, “UHF fading in factories,”

IEEE Journal on Selected Areas in Communications, Vol.7, No.1, pp.40-48, January 1989.

[26] T.S. Rappaport, “Characterization of UHF multipath radio channel in factory buildings,” IEEE Transactions on Antennas and Propagation, Vol.37, No.8, pp.1058-1069, August 1989.

[27] J.F. Lafortune, and M. Lecours, “Measurement and modeling of propagation losses in a building at 900 MHz,” IEEE

Transactions on Vehicular Technology, Vol.39, No.2, pp.101-108, May 1990.

[28] T.S. Rappaport, S.Y. Seidel, and K. Takamizawa, “Statistical channel impulse response models for factory and open plan building radio communication system design,” IEEE Transactions on Communications, Vol.39, No.5, pp.794-807, May 1991.

[29] S.Y. Seidel, and T.S. Rappaport, “914 MHz path loss prediction models for indoor wireless communications in multifloored buildings,” IEEE Transactions on Antennas and Propagation, Vol.40, No.2, pp.207-217, February 1992.

[30] V.E.S. Ghassemzadeh, M. Taylor, D. Li, and D.L. Schilling,

“Urban/Suburban out-of-sight propagation modeling,” IEEE Communications Magazine, pp.56-61, June 1992.

[31] W. Honcharenko, H.L. Dailing, J. Qian, and H.D. Yee,

“Mechanisms governing UHF propagation on single floors in modern office buildings,” IEEE Transactions on Vehicular Technology, Vol.41, No.4, pp.496-504, November 1992.

[32] W. Honcharenko, H.L. Dailing, and J. Dailing, “Mechanisms governing propagation between different floors in buildings,”

IEEE Transactions on Antennas and Propagation, Vol.41, No.6, pp.787-790, June 1993.

[33] H. Kim and H. Ling, “Electromagnetic scattering from an inhomogeneous object by ray tracing,” IEEE Transactions on Antennas and Propagation, Vol.40, No.5, pp.517-525, May 1992.

[34] M. F.Catedra, J. Perez, F. Saez de Adana, and O. Gutierrez,

“Efficient ray-tracing techniques for three-dimensional analyses of propagation in mobile communications: application to picocell and microcell scenarios,” IEEE Antennas &

propagation channels in tunnel environments for microcellular and personal communications,” IEEE Transactions on Vehicular Technology, Vol.47, No.1, pp.283-296, Feb. 1998.

[36] Philip J. Joseph and Walter D. Burnside, A UTD Scattering Analysis of Pyramidal Absorber for Design of Compact Range Chambers, Technical Report 721929-11, The ElectroScience Laboratory, The Ohio State University, February 1990.

[37] R.J. Luebbers, “A Heuristic UTD Slope Diffraction Coefficient for Rough Lossy Wedges,” IEEE Transactions on Antennas and Propagation, Vol.37, No.2, pp.206-211, February 1989.

[38] C.A. Balanis, Advanced Engineering Electromagnetics, John Wiley and Sons, New York, 1989, pp. 743-838.

[39] S.G. Andrew, An Introduction to Ray Tracing, Academic Press, San Diego, 1989.

[40] Z. Zaharis, E. Vafiadis, and J. N. Sahalos, “On the design of a dual-band base station wire antenna,” IEEE Mag. Antennas and Propagation., vol. 42, pp. 144-151, Dec. 2000.

[41] XFDTD v5.3, User’s manual, REMCOM Corp., U.S.A.

[42] R.S. Elliott, Antenna Theory and Design.

[43] D.K. Cheng, Field and Wave Electromagnetics, Addison-Wesley Publishing Company, New York, pp.614-621, 1989.

[44] G.A. Thiele, “Analysis of Yagi-Uda Type antennas,” IEEE Transactions on Antennas and Propagation, Vol. 17, pp. 24-31, Jan. 1969.

在文檔中 行動通信電波傳播之研究(III) (頁 109-114)

相關文件