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This paper demonstrates optimum receiver performance in terms of bit error rate (BER) for time hopping pulse position modulation (TH-PPM) ultra wideband (UWB) system in multiple user interference environment for indoor radio communication. Equal gain combining and selective gain combining have been demonstrated in terms of ideal RAKE (ARAKE), selective RAKE (SRAKE) and partial RAKE (PRAKE) receiver performances. The recently accepted IEEE 802.15.3a model of the UWB channel has been used to describe UWB propagation in indoor environment. Two channel scenarios named CM-1 and CM-3 for IEEE 802.15.3a channel model have been investigated principally. Finally, this paper concludes with an approximation of equivalence of number of fingers in SRAKE and PRAKE receivers as well as an indication of SNR gains achievable as the RAKE finger number is increased, espe- cially with multiple user interference (MUI), for a 16.6 Mbit/s UWB system.
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Tom
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77--84
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Bibliogr.8 poz., rys., tab.
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autor
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- Telecommunications Program, Asian Institute of Technology (AIT), PO Box: 4, Khlongluang, Pathumthani 12120, Thailand, upal41@yahoo.com
Bibliografia
- [1] M.-G. Di Benedetto and G. Giancola, Understanding Ultra Wide Band Radio Fundamentals. First Edition. Upper Saddle River: Prentice Hall, 2004.
- [2] D. Barras, F. Ellinger, and H. Jäckel, “A comparison between ultrawideband and narrowband transceivers”, in IEEE Wirel. 2002 Conf., Calgary, Canada, 2002.
- [3] M. Z. Win and R. A. Scholtz, “Ultra-wide bandwidth time hopping spread spectrum impulse radio for wireless multiple access communications”, IEEE Trans. Commun., vol. 48, pp. 679–691, 2000.
- [4] A. A. D’Amico, U. Mengali, and L. Taponecco, “Performance comparisons between two signaling formats for UWB communications”, in Proc. IEEE Int. Conf. Commun. ICC’04, Paris, France, 2004.
- [5] D. Cassioli, M. Z. Win, F. Vatalaro, and A. F. Molish, “Performance of low-complexity Rake reception in a realistic UWB channel”, in Proc. IEEE Int. Conf. Commun. ICC’02, New York, USA, 2002, pp. 763–767.
- [6] “IEEE Standard for Information technology – Telecommunications and information exchange between systems – Local and metropolitan area networks – Specific requirements”. Part 15.3: “Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for High Rate Wireless Personal Area Networks (WPANs)”, IEEE Std 802.15.3TM-2003.
- [7] J. R. Foerster, M. Pendergrass, and A. F. Molisch, “A channel model for ultrawideband indoor communication”, in Proc. Wirel. Pers. Multimed. Commun. WPMC’03, Kanagawa, Japan, 2003, vol. 2, pp. 116–120.
- [8] H. Sheng, P. Orlik, A. M. Haimovich, L. J. Cimini Jr., and J. Zhang, “On the spectral and power requirements for ultra-wideband transmission”, in Proc. IEEE Int. Conf. Commun. ICC’03, Anchorage, USA, 2003, pp. 738–742.
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Bibliografia
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bwmeta1.element.baztech-article-BAT8-0010-0019