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2011-02-04

Wideband Sounder for Dynamic and Static Wireless Channel Characterisation: Urban Picocell Channel Model

By David Lorater Ndzi, Kenneth Stuart, Somboon Toautachone, Branislav Vuksanovic, and David A. Sanders
Progress In Electromagnetics Research, Vol. 113, 285-312, 2011
doi:10.2528/PIER10122905

Abstract

This paper presents a high speed configurable FPGA-based wideband channel sounder with signal bandwidths up to 200 MHz and results of a study of dynamic urban picocell channel. The use of FPGA allows the sounder to be adaptable for measurements in different scenarios. Adaptable options include changes to the waveform, bandwidth, channel sampling rate and real-time averaging to improve signal-to-noise ratio in weak signal conditions. The implemented architecture has led to a 70% reduction in size and weight compared to sounders in use elsewhere making it ideal for mobile channel measurements. The study of an urban picocell channel has shown that dynamic variation due to automotive traffic introduces average signal strength fades of up to 5 dB but causes frequency selective fading with depths of up to 40 dB. Existing channel models assume antenna heights of more than 6 m and path lengths of more than 30 m. Therefore there is a need for shorter path models and this paper proposes a linear picocell channel model for static and dynamic urban environment.

Citation


David Lorater Ndzi, Kenneth Stuart, Somboon Toautachone, Branislav Vuksanovic, and David A. Sanders, "Wideband Sounder for Dynamic and Static Wireless Channel Characterisation: Urban Picocell Channel Model," Progress In Electromagnetics Research, Vol. 113, 285-312, 2011.
doi:10.2528/PIER10122905
http://jpier.org/PIER/pier.php?paper=10122905

References


    1. Ndzi, D. L., N. Savage, and B. Gremont, "Spatial and temporal variation of wideband indoor channels," International Journal of Antennas and Propagation, Vol. 2010, Article ID 735434, 11, 2010.

    2. Ndzi, D., J. Austin, and E. Vilar, "Hyper-resolution indoor channel impulse responses: Multipath components and k-factors," Electronics Letters, Vol. 35, No. 9, 698-699, April 1999.
    doi:10.1049/el:19990491

    3. Maciel, L. R., H. L. Bertoni, and H. H. Xia, "Unified approach to prediction of propagation over buildings for all ranges of base station antenna height," IEEE Transactions on Vehicular Technology, Vol. 42, No. 1, 41-45, January 1993.
    doi:10.1109/25.192385

    4. Kurner, T., 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, 1002-1012, September 1993.
    doi:10.1109/49.233213

    5. Hashemi, H., "The indoor radio propagation channel," IEEE Proceedings, Vol. 81, No. 7, 941-968, July 1993.

    6. Cichon, D. J. and T. Kurner, Propagation prediction models, COST 231 Final Report, Chapter 4, 134, 1999.

    7. Goncalves, N. C. and L. M. Correia, "A propagation model for urban microcellular systems at the UHF band," IEEE Transactions on Vehicular Technology, Vol. 49, No. 4, 1294-1302, July 2000.
    doi:10.1109/25.875245

    8. Juan-Llacer, L., L. Ramos, and N. Cardona, "Application of some theoretical models for coverage prediction in macrocell urban environments," IEEE Transactions on Vehicular Technology, Vol. 48, No. 5, 1463-1468, September 1999.
    doi:10.1109/25.790521

    9. Berg, J., "A recursive method for street microcell path loss calculations," IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC-95, 140-143, Toronto, Canada, September 195.

    10. Lee, W. C. Y. and D. J. Y. Lee, "Microcell prediction in dense urban area," IEEE Transactions on Vehicular Technology, Vol. 47, No. 1, 246-253, February 1998.
    doi:10.1109/25.661051

    11. Okumura, Y., E. Ohmori, T. Kawano, and K. Fukuda, "Field strength and its variability in VHF and UHF land mobile radio services," Review of the Electrical Communications Laboratory, Vol. 16, 825-873, September-October 1968.

    12. Hata, M., "Empirical formula for propagation loss in land mobile radio services," IEEE Transactions on Vehicular Technology, Vol. 29, No. 3, 317-325, September 1981.
    doi:10.1109/T-VT.1980.23859

    13. COST Action 231, Digital mobile radio towards future generation systems, No. 18957 Final Report, European Commission, 1999.

    14. Electronic Communication Committee (ECC) within the European Conference of Postal and Telecommunications Administration (CEPT), The analysis of the coexistence of FWA cells in the 3.4-3.8 GHz band, ECC Report 33, May 2003.

    15. Rappaport, T. S., Wireless Communications: Principles and Practice, Prentice Hall, New Jersey, USA, 2002.

    16. Wireless World Initiative New Radio (WINNER), 6th Framework Programme, Information Society Technologies, IST-2003-507591 , Website: https://www.ist-winner.org/.

    17. The Working Group for WLAN Standards (IEEE 802.11), Website: http://www.ieee802.org/11/.

    18., 3rd Generation Partnership Project, Website: http://www.3gpp.org/.

    19. Papantoniou, S. J. Modelling the mobile-radio channel, Ph.D. Thesis, No. 9120, ETH ZÄurich, 1990.

    20. Fleury, B. and U. B. R. Heddergott, Advanced radio channel model for magic WAND, 600-607 ACTS Mobile Telecommunications Summit, Granada, Spain, November 1996.

    21. Nielsen, J., V. Afanassiev, and J. B. Andersen, "A dynamic model of the indoor channel," Wireless Personal Communications, Vol. 19, No. 2, 91-120, November 2001.
    doi:10.1023/A:1011949719129

    22. Chong, C. C., D. I. Laurenson, and S. McLaughlin, "The implementation and evaluation of a novel wideband dynamic directional indoor channel model based on a markov process," 14th IEEE Proceedings on Personal, Indoor and Mobile Radio Communications, Vol. 1, 670-674, September 2003.
    doi:10.1109/PIMRC.2003.1264357

    23. Wireless Local Area Network Hotspot Directory, W-Squared Inc., Website: http://www.wifi411.com/.

    24. Calcev, G., D. Chizhik, B. Goransson, S. Howard, H. Huang, A. Kogiantis, A. F. Molisch, A. L. Moustakas, D. Reed, and X. Hao, "A wideband spatial channel model for system-wide simulations," IEEE Transactions on Vehicular Technology, Vol. 56, No. 2, 389-403, March 2007.
    doi:10.1109/TVT.2007.891463

    25. 3GPP, "Spatial channel model for MIMO simulations," ftp://ftp.3gpp2.org/TSGC/Working/2001/TSG-C 0108/TSG-C-0801-Portland/WG5/.

    26., WINNER II Channel Models, September 30, 2007, http://www.ist-winner.org/WINNER2-Deliverables/D1.1.2v1.1.pdf.

    27. DeLange, O. E., "Propagation studies at microwave frequency by means of very short pulse ," Bell System Technical Journal, Vol. 31, 91-103, January 1952.

    28. Hewitt, A. and E. Vilar, "Sective fading on LOS microware links: Classical and spread spectrum measurements techniques," IEEE Trans. on Comms., Vol. 36, No. 7, 789-796, July 1988.
    doi:10.1109/26.2807

    29. Crawford, A. B. and W. C. Jakes, "Selective fading of microwaves," Bell System Technical Journal, Vol. 31, 68-90, January 1952.

    30. Bailey, R. J. and G. R. Summers, "Radio channel characterisation for the digital european cordless telecommunications system," British Telecommunications Technology Journal, Vol. 8, No. 1, 25-30, January 1990.

    31. Turin, G. L., F. D. Clapp, T. L. Johnson, S. B. Fine, and D. Lavry, "A statistical model of urban multipath propagation," IEEE Transactions on Vehicular Technology, Vol. 21, No. 1, 1-9, February 1972.
    doi:10.1109/T-VT.1972.23492

    32. Falconer, D. D. and S. Lek Ariyavisitakul, "Broadband wireless using singal carrier and frequency domain equalization," 5th International Symposium on Wireless Personal Multimedia Communications, Vol. 1, 27-36, Honolulu, HI, USA, October 2002.

    33. Matic, D. M., H. Harada, and R. Prasad, "Indoor and outdoor frequency measurements for MM-waves in the range of 60 GHz," 48th IEEE Vehicular Technology Conference: Pathway to a Global Wireless Revolution , Vol. 1, 567-571, Ottawa, Canada, May 1998.

    34. Bajwa, A. S. and J. D. Parsons, "Small-area characterization of UHF urban and suburban mobile radio propagation," IEE Proceedings, Vol. 129, No. 2, 102-109, April 1982.

    35. Godfrey, K., Perturbation Signals for System Identi¯cation, Prentice-Hall, London, UK, 1993.

    36. Ditmar, W. P. A., M. Khoshlahjeh-Motamed, and R. R. Pettitt, "Design and Application of multi-frequency signals for power plant indentification," IEE International Conference on Control'91, Vol. 1, 665-670, Edinburgh, United Kingdom, March 25-28, 1991.

    37. Nielson, D. L., "Microwave propagation measurements for mobile digital radio application ," IEEE Transactions on Vehicular Technology, Vol. 27, No. 3, 117-131, August 1978.
    doi:10.1109/T-VT.1978.23733

    39. Cox, D. C., "Delay-doppler characteristics of multipath delay spread and average excess delay for 910MHz urban mobile radio paths," IEEE Transactions on Antennas and Propagation, Vol. 20, No. 5, 625-635, September 1972.
    doi:10.1109/TAP.1972.1140277

    40. Nche, C., A. M. D. Turkmani, and A. A. Arowojolu, "Channel sounder for PCN networks," IEE Colloquium on High Bit Rate UHF/SHF Channel Sounders Technology and Measurements, 5/1-6, Savoy Place, London, UK, December 1993.

    41. Lovnes, G., S. E. Paulsen, and R. H. Rakken, "A millimeter wave channel sounder based on chirp/correlation technique," IEE Colloquium on High Bit Rate UHF/SHF Channel Sounders Technology and Measurements, 8/1-7, Savoy Place, London, UK, December 1993.

    42. Salous, S. and V. Hinostroza, "Bi-dynamic indoor measurements with high resolution channel sounder," 5th International Symposium on Wireless Personal Multimedia Communications, Vol. 1, 262-266, Honolulu, HI, USA, October 2002.

    43. RUSK Channel Sounder Ordering Information, MEDAV GmbH, Website: http://www.channelsounder.de/.

    44. Trulove, J., Build Your Own Wireless LAN, McGraw-Hill, New York, USA, 2002.

    45., Duet Channel SounderTechnical Description, BerkeleyVaritronics Systems, Inc.,Website: http://www.bvsystems.com/Products/CDMA/Duet/duet.htm.

    46., Elektrobit Propsound Channel SounderTechnical Description, Elektrobit Corporation,Website: http://www.elektrobit.com/index.php?2.

    47. Van Rees, J., "Measurements of the wideband radio channel characteristics for rural, residental, and suburban areas," IEEE Transactions on Vehicular Technology, Vol. 36, No. 1, 2-6, February 1987.
    doi:10.1109/T-VT.1987.24090

    48. Safer, H., G. L. Berger, and F. Seifert, "Propagation measurement-based probability of error predictions for the tactical VHF-range," IEEE Military Communication Conference Proceedings, 331-335, November 1999.

    49. Dinis, M. and J. Fernandes, "Provision of sufficient transmission capacity for broadband mobile multimedia: A step toward 4G," IEEE Comm. Magazine, Vol. 39, No. 8, 46-54, August 2001.
    doi:10.1109/35.940034

    50. Austin, J., W. P. A. Ditmar, W. K. Lam, E. Vilar, and K. W.Wan, "A spread spectrum communication channel sounder," IEEE Transactions on Communications, Vol. 45, No. 7, 840-847, July 1997.
    doi:10.1109/26.602589

    51. Hunt Engineering, "Choosing FPGA or DSP for your application," 2010, http://www.hunteng.co.uk/info/fpga-or-dsp.htm.

    52. Parker, M., "FPGA versus DSP design reliability and maintenance," 2010, http://www.dsp-fpga.com/articles/id/?2207.

    53. Bilsby, D. C. M., R. L. Walke, and R. W. M. Smith, "Comparison of a programmable DSP and a FPGA for real-time multiscale convolution," IEE Colloquium on High Performance Architectures for Real-Time Image Processing , No. 1998/197, 4/1-4/6, London, February 1998.

    54. Analog Devices AD12401 data sheet, 2010, http://www.analog .com/en/analog-to-digital-converters/ad-converters/ad12401/products/product.html..

    55. Technobox Inc., "64-bit PMC-to-PCI adapter card data sheet," 2010, Website: http://www.technobox.com/cat3673.pdf.

    56. Alpha Data Ltd. ADM-XRC-II xilinx virtex-II PMC data sheet, Alpha Data, 2010, Website: http://www.alpha-data.com/adm-xrc-ii.html.

    57. Torres, R. P., B. Cobo, D. Mavares, F. Medina, S. Loredo, and M. Engels, "Measurement and statistical analysis of the temporal variations of a fixed wireless link at 3.5 GHz," Wireless Personal Communications, Vol. 37, No. 1-2, 41-59, April 2006.
    doi:10.1007/s11277-006-1320-z

    58. Ikegami, F., S. Yoshida, T. Takeuchi, and M. Umehira, "Propagation factors controlling mean field strength on urban streets," IEEE Transactions Antennas and Propagation, Vol. 32, No. 8, 936-942, August 1984.

    59. Feuerstein, M. J., K. L. Blackard, T. S. Rappaport, S. Y. Seidel, and H. H. Xia, "Path loss, delay spread, and outage models as functions of antenna height for microcellular system design ," IEEE Transactions on Vehicular Technology, Vol. 43, No. 3, 487-498, August 1994.
    doi:10.1109/25.312809

    60. Walfisch, J. and H. Bertoni, "A theoretical model of UHF propagation in urban environments," IEEE Transactions Antennas and Propagation, Vol. 36, No. 12, 1788-1796, December 1988.
    doi:10.1109/8.14401