2006•IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006)Requires access

On the performance of different modulation schemes for UWB systems in a multipath channel

Qinglin Zhu, Zhuanhong Jia, Chuanyun Zou

Abstract

This paper is concerned with bit error rate (BER) performance analysis and comparison of TH-PPM, TH-BPSK and DS-BPSK ultra wideband (UWB) systems in the presence of multiple-access interference (MAI) under AWGN channel. Under the assumption of chip-synchronous, we derive analytic expressions for BER with very low computational complexity based on the Laplace transform technique. The performance of TH and DS multiple-access schemes are compared for different number of users and SNR values. (4 pages)

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Key concepts: Additive white Gaussian noise, Computer science, Bit error rate, Phase-shift keying, Multipath propagation, Algorithm, Electronic engineering, Interference (communication)