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Linear Prediction-Based Blind Adaptive Channel Identification and Equalization with Phase Offset Compensation for SIMO Channel
Kyung Seung AHN Bong Man AHN Heung Ki BAIK
IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
blind identification, blind equalization, inter-symbol interference, multichannel linear prediction,
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In this paper, we propose a blind adaptive channel identification and equalization algorithm with phase offset compensation for single-input multiple-output (SIMO) channel. It is based on the one-step forward multichannel linear prediction error method and can be implemented by an RLS algorithm. Phase offset problem is inherent part of any second-order statistics-based blind identification and equalization. To solve this problem, we use a blind adaptive algorithm called the constant modulus derotator (CMD) algorithm based on constant modulus algorithm (CMA). Moreover, unlike many known subspace (SS) methods or cross relation (CR) methods, our proposed algorithms do not require channel order estimation. Therefore, our algorithms are robust to channel order mismatch.