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IEICE TRANSACTIONS on Fundamentals

New Binary Functions for Generating Spreading Codes with Negative Auto-Correlation for Asynchronous DS/CDMA Using Bernoulli Chaotic Map

Tin Ni Ni KYAW, Akio TSUNEDA

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Summary :

Code division multiple access (CDMA) based on direct sequence (DS) spread spectrum modulation using spreading codes is one of standard technologies for multiple access communications. In asynchronous DS/CDMA communications, spreading codes with appropriate negative auto-correlation can reduce bit error rate (BER) compared with uncorrelated sequences. In this letter, we design new binary functions for generating chaotic binary sequences with negative auto-correlation using Bernoulli chaotic map. Such binary functions can be applied to the generation of spreading codes with negative auto-correlation based on existing spreading codes (e.g., shift register sequences).

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.4 pp.961-964
Publication Date
2017/04/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.961
Type of Manuscript
Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category
Sequences

Authors

Tin Ni Ni KYAW
  Kumamoto University
Akio TSUNEDA
  Kumamoto University

Keyword