Multiple-antenna-aided OFDM employing genetic-algorithm-assisted minimum bit error rate multiuser detection

Alias, M. Y. and Chen, Sheng and Hanzo, L. (2005) Multiple-antenna-aided OFDM employing genetic-algorithm-assisted minimum bit error rate multiuser detection. IEEE Transactions on Vehicular Technology, 54 (5). 1713 -1721. ISSN 0018-9545

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Abstract

The family of minimum bit error rate (MBER) multiuser detectors (MUD) is capable of outperforming the classic minimum mean-squared error (MMSE) MUD in terms of the achievable bit-error rate (BER) owing to directly minimizing the BER cost function. In this paper, we will invoke genetic algorithms (GAs) for finding the optimum weight vectors of the MBER MUD in the context of multiple-antenna-aided multiuser orthogonal frequency division multiplexing (OFDM) . We will also show that the MBER MUD is capable of supporting more users than the number of receiver antennas available, while outperforming the MMSE MUD.

Item Type: Article
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Information Science and Technology (FIST)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 16 Jan 2014 03:17
Last Modified: 16 Jan 2014 03:17
URI: http://shdl.mmu.edu.my/id/eprint/4872

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