Massive capacity of novel three‐dimensional OCDMA‐FSO system for next generation of high‐data wireless networks

Author:

Rahmani Mohamed1ORCID,Sabri Ghoutia Naima12,Cherifi Abdelhamid3ORCID,Karar Abdullah S.4,Mrabet Hichem5

Affiliation:

1. The Information and Telecommunications Processing Laboratory (LTIT), Electrical Engineering Department, Faculty of Technology TAHRI Mohamed University of Bechar Bechar Algeria

2. Department of Material Sciences, Faculty of Exact Sciences TAHRI Mohamed University of Bechar Bechar Algeria

3. Laboratory of Technology of Communications (LTC), Electronics Department Dr. Moulay Tahar University of Saida Saida Algeria

4. College of Engineering and Technology American University of the Middle East Kuwait City Kuwait

5. SERCOM Laboratory, Tunisia Polytechnic School University of Carthage Tunis Tunisia

Abstract

AbstractThe present study examines an interesting wireless system known as spectral/temporal/spatial‐optical code division multiple access‐free space optics (OCDMA‐FSO) by integrating the new three‐dimensional successive weight (3D‐SW) code for the incoherent system. The system is proposed to be adopted in future generations of wireless networks in view of its attractive features such as simple architecture, high data rate, strong immunity against electromagnetic interference, and optimal power consumption. Furthermore, the recommended code has a zero cross‐correlation (ZCC) feature that removes multiple access interference (MAI) and lowers the effect of phase‐induced intensity (PIIN) noise, which primarily affects OCDMA performance. Meanwhile, an original bit error rate (BER) formulation based on the signal‐to‐noise ratio (SNR) calculation has been developed. The computational results clarified that a recommended approach improves optical system efficacy by boosting numerous analytical criteria. Firstly, the numerical outcomes exhibit that the proposed system improves cardinality by 3.67, 3.08, 2.19, and 5 times than the systems using three‐dimensional perfect difference (3D‐PD), both three‐dimensional perfect difference/multi diagonal (3D‐PD/MD) and three‐dimensional‐dynamic cyclic shift/multi diagonal (3D‐DCS/MD), two‐dimensional‐SW, and one‐dimensional‐SW codes, respectively. Further, It saves roughly −7.3 dBm and − 4.2 dBm when moving from (1D) and (2D) to (3D). Second, the implementation of the proposed model under Optisystem software reveals that the system is compatible with optical communication norms and can be used in upcoming generations of wireless networks, where it achieves BER of with better transmission quality reaching 12.09 at a high bit rate until 30 Gbps across a wireless distance up to 6 km.

Publisher

Wiley

Subject

Electrical and Electronic Engineering

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