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Construction and Performance Analysis of OVSF-ZCZ Codes Based on LS and GO Sequences
Chao ZHANG Xiaoming TAO Jianhua LU
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E91-A
No.12
pp.3703-3711 Publication Date: 2008/12/01 Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.12.3703 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Applications in Communications) Category: Sequence Keyword: ZCZ, OVSF, OVSF-ZCZ, LS, GO,
Full Text: PDF>>
Summary:
Zero Correlation Zone (ZCZ) sequences have been confirmed the capability in interference mitigation in multipath fading channel. On the other hand, Orthogonal Variable Spreading Factor (OVSF) codes have been successfully applied in WCDMA for separating different channels with different transmission capacity. In this paper, novel OVSF-ZCZ sequences originated from LS and GO sequences have been proposed for CDMA systems with different service requirements. The construction method is discussed and the performance of the system is evaluated.
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