IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
Performance of a recursive MBER decision feedback equalizer in long multipath channel
G. C. Chung
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JOURNAL FREE ACCESS

2012 Volume 9 Issue 14 Pages 1201-1207

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Abstract
Minimum bit error rate (MBER) criterion is formulated to minimize the bit-error-rate (BER) of a communication system, which is the true performance indicator in channel equalization. However, MBER decision feedback equalizer (DFE) undergoes slow convergence speed, and BER misadjustment in long multipath channel as demonstrated in this paper. We propose a MBER-DFE receiver adopted with recursive least square (RLS) adaptive algorithm. Results showed that the proposed receiver can achieve faster convergence rate and considerable performance as compared to conventional MBER receiver in a realistic long ultra-wideband (UWB) multipath channel.
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© 2012 by The Institute of Electronics, Information and Communication Engineers
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