New Zero Cross-Correlation Codes Based on Zech Method?s for OCDMA Systems

被引：0

作者：

Bensaad, Abdellah ^{[1
]}

Garadi, Ahmed ^{[1
]}

Beloufa, Abbes ^{[2
]}

Bensaad, Zouaoui ^{[3
]}

机构：

[1] Dr Moulay Tahar Univ, Fac Technol, Dept Elect, Saida, Algeria

[2] Mustapha Stambouli Univ, Fac Technol, Dept ST, Mascara, Algeria

[3] Univ Djillali Liabes Sidi Bel Abbes, Fac Technol, Dept Elect, Sba, Algeria

来源：

GAZI UNIVERSITY JOURNAL OF SCIENCE | 2023年 / 36卷 / 01期

关键词：

Direct detection; MAI Interference; OCDMA; ZCC code; Zech code; OPTICAL ORTHOGONAL CODES; PERFORMANCE EVALUATION; CONSTRUCTION; NETWORKS;

D O I：

10.35378/gujs.994461

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A new structure code for Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system with zero cross-correlation (ZCC) is presented in this paper. The principle idea of this method is based on the use of Zech logarithms in the construction of the code sequences to ensure orthogonality and compare their performances with previously reported codes. The maximum cross-correlation of this code is zero signifying that Multi-Access Interference (MAI) and Phase-Induced intensity noise (PIIN) effects are eliminated thus the system performances are improved. The BER simulation results against the total number of active users show a significant improvement in the performance of the proposed code over preceding reported codes. The system can accommodate more than 90 simultaneous users compared to other codes at a bit error rate of 10-9. Furthermore, the construction method offers good flexibility in the choice of the number of users, the weight, and the code length.

引用

页码：238 / 247

页数：10

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