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An adaptive reduced-state channel equalizer with T-algorithm

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2 Author(s)
K. C. Chang ; Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong ; W. H. Lam

The complexity of the maximum likelihood sequence estimation (MLSE) prohibits its widespread applications on channel equalization. In the paper, a reduced complexity algorithm, the dynamic T-algorithm, is proposed to compensate for the intersymbol interference (ISI) introduced by wideband mobile radio channels. The bit error rate (BER) performance over a two-path Rayleigh faded channel having a 5 symbol period of excess delay is examined. The average number of survivors is reduced by more than 90% (i.e., when t=0.2) at an expense of 3 dB degradation when the BER is 10-2

Published in:

Vehicular Technology Conference, 1994 IEEE 44th

Date of Conference:

8-10 Jun 1994