BER performance analysis of spectral phase-encoded optical atmospheric PPM-CDMA communication systems

Takaya Miyazawa, Iwao Sasase

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We propose spectral phase-encoded optical atmospheric (OA) code-division multiple-access (CDMA) systems with pulse-position modulation (PPM) and theoretically analyze the bit error rates (BERs). We compare the BERs of the proposed system to those of time-encoded OA-PPM-CDMA systems at the same bit rate and chip rate. We show that, even if the proposed spectral phase-encoded OA-PPM-CDMA system is equipped with no mitigation techniques of multiple access interference (MAI) and scintillation, the proposed system achieves lower BERs than both time-encoded OA-PPM-CDMA systems, both with and without a mitigation technique of MAI/ scintillation, due to its higher code spreading gain and higher tolerance to noise.

Original languageEnglish
Pages (from-to)2992-3000
Number of pages9
JournalJournal of Lightwave Technology
Volume25
Issue number10
DOIs
Publication statusPublished - 2007 Oct 1

Keywords

  • Multiple access interference (MAI)
  • Optical atmospheric (OA) code division multiple access (CDMA)
  • Pulse-position modulation (PPM)
  • Scintillation
  • Spectral phase encoding

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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