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Arabian Journal for Science and Engineering

, Volume 44, Issue 8, pp 7067–7084 | Cite as

Design and Implementation of Two-Dimensional Enhanced Multi-diagonal Code for High Cardinality OCDMA-PON

  • Waqas A. ImtiazEmail author
  • Hassan Yousif Ahmed
  • Medien Zeghid
  • Yahia Sharief
  • Muhammad Usman
Research Article - Electrical Engineering
  • 13 Downloads

Abstract

This paper proposes the design of a novel two-dimensional enhanced multi-diagonal (2D-EMD) code along with the implementation of corresponding architecture for incoherent optical code division multiple access passive optical network (OCDMA-PON). The proposed algorithm is derived by using spatial coding as second dimension in the existing 1D-EMD code to elevate orthogonality within adjacent codes and minimize the interference of subscribers simultaneously accessing the medium. Performance of the proposed 2D-EMD OCDMA system is analyzed through Gaussian approximation and simulation analysis for an agreeable bit error rate (BER) of \(10^{-9}\). Analytic analysis shows that the proposed 2D-EMD OCDMA system support more subscribers in comparison with existing systems based on 2D diluted-perfect difference (2D-DPD) and diagonal eigenvalue unity (DEU) codes. Cardinality of the proposed setup surpasses 2D-DPD and 2D-DEU by 5 and 1.8 times for an acceptable BER of \(10^{-9}\). Moreover, the optimal communication requirement is satisfied by 2D-EMD system with lowest effective source power of \(-27\) dBm at 622 Mbps of data. Simulation analysis through a highly recognized software called Optisystem also validates the mathematical analysis and shows that the proposed system can accommodate large number of subscribers at high data rates. Both analytical and simulation analysis proves that the proposed system is able to support next generation PONs.

Keywords

Optical code division multiple access Passive optical network, Spectral/spatial coding 2 dimensional Enhanced multi-diagonal Bit error rate 

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Copyright information

© King Fahd University of Petroleum & Minerals 2019

Authors and Affiliations

  1. 1.Department of Electrical EngineeringAbasyn UniversityPeshawarPakistan
  2. 2.Electrical Engineering Department, College of EngineeringPrince Sattam bin AbdulAziz University (PSAU)Wadi AldawaserKingdom of Saudi Arabia
  3. 3.Electronics and Micro-Electronics LaboratoryUniversity of MonastirMonastirTunisia
  4. 4.Faculty of Engineering SciencesGhulam Ishaq Khan Institute of Engineering Sciences and TechnologySwabiPakistan

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