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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 42-391
Full Name: HO-LUNG HUNG
Position: Associate Professor
Age: ON
Sex: Male
Address: No.1 Chien Shou N.Rd, Changhua City
Country: TAIWAN
Tel: 886-47363108
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E-mail address: hlh@ctu.edu.tw
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Title of the Paper: Performance of Multiuser Detector for Ultra wide-band Multiple-Access Communication Systems
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Email addresses of all the authors: hlh@ctu.edu.tw
Number of paper pages: 10
Abstract: In this contribution a novel particle swarm optimization (PSO) based multiuser detector (MUD) aided time-hopping ultra-wide band (TH-UWB) system has been investigated in the indoor channel model. In this approach, the PSO based MUD employs the output of the Rake receiver as its initial value to search for the best solution which results on a formulated optimization mechanism. By taking advantage of the heuristic values and the collective intelligence of PSO technique, the proposed detector offers almost the same bit error rate (BER) performance as the full-search-based optimum multi-user detector does, while greatly reducing the potentially computational complexity. The good behavior of the proposed approach is demonstrated by means of comparisons in terms of BER performance and implementation complexity with the classical Rake receiver and different multi-user receivers previously proposed in the literature of this subject. Simulation results have been provided t!
o examine the evolutionary behavior and the detection performance of the proposed PSO based MUD in both the additive white Gaussian noise (AWGN) and the multi-path fading channel.
Keywords: UWB, particle swarm optimization, multi-access interference, multiuser detector
EXTENSION of the file: .pdf
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