Adaptive Minimum Bit Error Rate Beamforming

Chen, S., Ahmad, N.N. and Hanzo, L. (2005) Adaptive Minimum Bit Error Rate Beamforming. IEEE Transactions on Wireless Communications, 4, (2), 341-348.

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An adaptive beamforming technique is proposed based on directly minimizing the bit error rate. It is demonstrated that this minimum bit error rate (MBER) approach utilizes the antenna array elements more intelligently, than the standard minimum mean square error (MMSE) approach. Consequently, MBER beamforming is capable of providing significant performance gains in terms of a reduced bit error rate over MMSE beamforming. A block-data adaptive implementation of the MBER beamforming solution is developed based on the Parzen window estimate of probability density function. Furthermore, a sample-by-sample adaptive implementation is considered, and a stochastic gradient algorithm, referred to as the least bit error rate, is derived. The proposed adaptive MBER beamforming technique provides an extension to the existing work (Mulgrew and Chen 2001, Chen et al 2001} for adaptive MBER equalization and multiuser detection.

Item Type: Article
ISSNs: 1536-1276
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Southampton Wireless Group
ePrint ID: 260714
Accepted Date and Publication Date:
March 2005Published
Date Deposited: 04 Apr 2005
Last Modified: 31 Mar 2016 14:02
Further Information:Google Scholar

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