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Performance of Coded CS-CDMA/CP with M-ZCZ Code over a Fast Fading Channel
Li YUE Chenggao HAN Nalin S. WEERASINGHE Takeshi HASHIMOTO
IEICE TRANSACTIONS on Communications
Publication Date: 2010/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
convolutional spreading CDMA, M-ZCZ code, fast fading, multiuser interference, channel estimation, signal-to-interference ratio,
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This paper studies the performance of a coded convolutional spreading CDMA system with cyclic prefix (CS-CDMA/CP) combined with the zero correlation zone code generated from the M-sequence (M-ZCZ code) for downlink transmission over a multipath fast fading channel. In particular, we propose a new pilot-aided channel estimation scheme based on the shift property of the M-ZCZ code and show the robustness of the scheme against fast fading through comparison with the W-CDMA system empolying time-multiplexed pilot signals.