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Accurate Bit-Error Rate Evaluation for TH-PPM Systems in Nakagami Fading Channels Using Moment Generating Functions
Choi Look LAW
Kah Chan TEH
IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
ultra-wideband (UWB) communications, multiple access, Gauss-Chebyshev quadrature (GCQ), moment-generating function (MGF), Nakagami-m fading,
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Analytical expressions based on the Gauss-Chebyshev quadrature (GCQ) rule technique are derived to evaluate the bit-error rate (BER) for the time-hopping pulse position modulation (TH-PPM) ultra-wide band (UWB) systems under a Nakagami-m fading channel. The analyses are validated by the simulation results and adopted to assess the accuracy of the commonly used Gaussian approximation (GA) method. The influence of the fading severity on the BER performance of TH-PPM UWB system is investigated.