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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
Publication
IEICE TRANSACTIONS on Communications Vol.E93-B No.9 pp.2381-2388
Publication Date: 2010/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword:
convolutional spreading CDMA,
M-ZCZ code,
fast fading,
multiuser interference,
channel estimation,
signal-to-interference ratio,
Full Text: PDF
Summary:
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.
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