Performance analysis of STBC MB-OFDM UWB

Authors:
Qinghai Yang;Kyung Sup Kwak;Fenglin Fu
Affiliations:
State Key Laboratory on ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China;Graduate School of Information Technology and Telecommunications, Inha University, Incheon, Korea;State Key Laboratory on ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China
Venue:
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
Year:
2009

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Abstract

This paper addresses the performance analysis for orthogonal space-time block coded (STBC) multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) systems. As the channel model considers the log-normal fading, the resultant signal to noise ratio (SNR) will be the product of a log-normal distributed variable and a variable of sum of several Gamma-distributed variants. Based on this, the exact expressions for the bit error probability and the outage probability are derived theoretically. And their approximate expressions can be obtained via the Gauss-Hermite and the Gauss-Laguerre quadratures, respectively. Simulation results verify the theoretical solutions.