A new class of zero-correlation zone sequences

In this correspondence, two new methods for constructing sets of zero-correlation zone (ZCZ) sequences are proposed. These methods are based on perfect sequences and unitary matrices. Compared with previous methods, the proposed methods can generate sets of nonbinary ZCZ sequences having a longer ze...

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Bibliographic Details
Published in:IEEE transactions on information theory 2004-03, Vol.50 (3), p.559-565
Main Authors: Torii, H., Nakamura, M., Suehiro, N.
Format: Article
Language:English
Subjects:
Autocorrelation
Cellular networks
Codes
Communications systems
Educational technology
Interchannel interference
Local area networks
Materials science and technology
Mobile communication
Multiaccess communication
Upper bound
Wireless LAN
Wireless networks
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Summary:In this correspondence, two new methods for constructing sets of zero-correlation zone (ZCZ) sequences are proposed. These methods are based on perfect sequences and unitary matrices. Compared with previous methods, the proposed methods can generate sets of nonbinary ZCZ sequences having a longer zero-correlation zone. The sequences obtained by these methods are suitable for approximately synchronized code-division multiple-access (AS-CDMA) systems.
ISSN:0018-9448
1557-9654
DOI:10.1109/TIT.2004.825399