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Low-complexity iterative MUD algorithm for asynchronous UWB systems

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3 Author(s)
Xiaoli Wang ; Dept. of Electr. & Comput. Eng., Singapore Univ. ; Lei Huang ; Chi Chung Ko

In this paper, a low-complexity iterative multiuser detection (MUD) algorithm specifically designed for asynchronous multiple access ultra-wideband (UWB) systems is proposed. The maximum a posteriori criterion is applied in the detection process by subtracting the multiple access interference precisely, and the computational complexity is reduced in an iterative manner. Considering the asynchronous scenario, a truncated detection window is introduced and studied. The simulation results demonstrate that the proposed iterative MUD algorithm can achieve a satisfactory bit-error-rate performance while maintain a considerably low complexity

Published in:

Communications Systems, 2004. ICCS 2004. The Ninth International Conference on

Date of Conference:

7-7 Sept. 2004