An efficient method to construct diagonal permutation shift (DPS) codes for SAC OCDMA systems

Hassan Yousif Ahmed, Z. M. Gharsseldien, S. A. Aljunid

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This work introduces a proficient method to build a newly proposed code, named diagonal permutation shifting (DPS) code for the spectral-amplitude-coding (SAC) optical code-division multiple-access (OCDMA) system. The DPS code is derived and constructed from well-known prime codes and certain matrix operations. This proposed code possesses numerous properties such as the cross-correlation (CC) between any two sequences is always equal to 1, short code length and proper design of the transmitter - receiver structure. In particular, the DPS is capable of removing the impact of multiple access interference (MAI) and further alleviate phase-induced intensity noise (PIIN). Numerical results demonstrate noticeable improvement for the DPS compared to the reported codes and can improve system performance considerably.

Original languageEnglish
Pages (from-to)475-484
Number of pages10
JournalJournal of Theoretical and Applied Information Technology
Volume94
Issue number2
StatePublished - 31 Dec 2016

Keywords

  • DPS
  • In-phase CC
  • MAI
  • OCDMA
  • SAC

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