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A Joint Channel Estimation and Timing Adjustment for Adaptive MLSE
Hyoung Kyu SONG We Duke CHO
IEICE TRANSACTIONS on Communications
Publication Date: 1998/11/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Mobile Communication
channel estimation, sliding window algorithm, smoothing algorithm,
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Because of non-negligible ISI due to the Gaussian filter and delay spread in the GSM system, an equalizer is required. In this letter, a joint sliding window channel estimation and timing adjustment method is proposed for maximum likelihood sequence equalizer. And also a smoothing algorithm is presented in order to improve the equalizer performance. This smoothing scheme utilizes a variant of LMS algorithm to tune the channel coefficient estimates. Simulation results show that the proposed scheme is adequate for channel estimation of the adaptive equalizer.