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Ternary Zero Correlation Zone Sequence Sets for Asynchronous DS-CDMA
Telecommunications and Digital Signal Processing Laboratory, Djillali Liabes University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
Telecommunications and Digital Signal Processing Laboratory, Djillali Liabes University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
LAMIH UMR CNRS 8530, University of Valenciennes and Hainaut-Cambresis (UVHC), le Mont Houy,France
- 1 Telecommunications and Digital Signal Processing Laboratory, Djillali Liabes University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 2 Telecommunications and Digital Signal Processing Laboratory, Djillali Liabes University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 3 LAMIH UMR CNRS 8530, University of Valenciennes and Hainaut-Cambresis (UVHC), le Mont Houy,France
Communications and Network·Volume 06 (2014)·Pages 209–217·Published 3 November 2014·DOI10.4236/cn.2014.64023
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Abstract
In this paper we propose a new class of ternary Zero Correlation Zone (ZCZ) sequence sets based on binary ZCZ sequence sets construction. It is shown that the proposed ternary ZCZ sequence sets can reach the upper bound on the ZCZ sequences. The performance of the proposed sequences set in asynchronous Direct Sequence-Code Division Multiple Access (DS-CDMA) system is evaluated. In the simulation we used two types of channels: Additive White Gaussian Noise (AWGN) and frequency non-selective fading with AWGN noise. The proposed ternary ZCZ sequence sets show better results, in term of Bit Error Rate (BER), than Hayashi’s ternary ZCZ sequence sets.
KeywordsHadamard MatrixZero Correlation Zone SequencesCorrelationAsynchronous DS-CDMABER
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