An efficient rate-adaptive transmission technique using shortened pulses for atmospheric optical communications

Antonio Jurado-Navas, José M. Garrido Balsells, Miguel Castillo-Vazquez, Antonio Puerta-Notario

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In free space optical (FSO) communication, atmospheric turbulence causes fluctuation in both intensity and phase of the received light signal what may seriously impair the link performance. Additionally, turbulent inhomogeneities may produce optical pulse spreading. In this paper, a simple rate adaptive transmission technique based on the use of variable silence periods and on-off keying (OOK) formats with memory is presented. This technique was previously proposed in indoor unguided optical links by the authors with very good performance. Such transmission scheme is now extensively analyzed in terms of burst error rate, and shown in this paper as an excellent alternative compared with the classical scheme based on repetition coding and pulse-position modulation (PPM), presenting a greater robustness to adverse conditions of turbulence.
Original languageEnglish
JournalOptics Express
Volume18
Issue number16
Pages (from-to)17246-17363
Number of pages18
ISSN1094-4087
Publication statusPublished - 2010
Externally publishedYes

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