Turbo-coded atmospheric optical communication systems

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39 Citations (Scopus)

Abstract

We propose two turbo-coded atmospheric optical communication systems: a turbo-coded atmospheric optical subcarrier phase-shift keying (PSK) system and a turbo-coded atmospheric optical pulse position modulation (PPM) system. We obtain upper bounds on the bit-error rate (BER) for maximum-likelihood (ML) decoding of both turbo-coded systems on atmospheric optical channels where the effects of the scintillation exist. We present the iterative maximum a posteriori probability (MAP) decoding of the turbo-coded optical binary PPM (BPPM) system. We show that both turbo-coded atmospheric optical systems have better BER than convolutional coded atmospheric optical systems when the Eb/N0with out scintillation is small. We also show that the turbo-coded atmospheric optical subcarrier PSK system has better BER than the turbo-coded atmospheric optical PPM systems. Moreover, we also show that as the scintillation becomes larger, the information bit energy-to-noise ratio Eb/N0 where the transfer function bound of turbo codes on the atmospheric channel diverges also becomes larger.

Original languageEnglish
Pages (from-to)2938-2942
Number of pages5
JournalIEEE International Conference on Communications
Volume5
Publication statusPublished - 2002 Jan 1
Externally publishedYes
Event2002 International Conference on Communications (ICC 2002) - New York, NY, United States
Duration: 2002 Apr 282002 May 2

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ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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