Terrestrial free-space optical links with temporal diversity

Wasiu Oyewole Popoola, Zabih Ghassemlooy, Erich Leitgeb, Vahid Ahmadi

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

5 Citations (Scopus)

Abstract

In this work, the performance of subcarrier intensity modulated terrestrial free-space optical communication link is analysed in the presence of noise and atmospheric turbulence induced fading. To ameliorate channel fading we propose subcarrier time delay diversity (TDD) in which delayed versions of the original data are retransmitted on different subcarriers. The most efficient TDD is obtained with single re-transmission with an estimated gain of up to 4.5 dB in weak turbulence.
Original languageEnglish
Title of host publicationProceedings of the 7th International Symposium on Communication Systems Networks and Digital Signal Processing (CSNDSP)
EditorsGuo Weisi, Ioannis Chatzigeorgiou, Ian J. Wassell, Rolando Carrasco
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages598-603
ISBN (Print)978-1424488582
Publication statusPublished - Sept 2010

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