Fixed threshold on-off keying differential detection for satellite optical communications

Won Ho Shin, Jae Young Choi, Sang Kook Han

Research output: Contribution to journalArticle

Abstract

In this paper, on-off keying (OOK) differential detection with fixed threshold is proposed to deal with intensity fluctuation for satellite optical communications (SOCs). Since the intensity fluctuation is relatively slow compared to data rate, sequential symbols are in a quasi-stationary channel. Based on this characteristic, the proposed technique is implemented through the comparison between the difference of sequential symbols and the fixed threshold. The optimum fixed threshold is simply estimated with the knowledge of the channel model and noise power. The simulation results demonstrate that it overcomes the BER limitation of fixed threshold detection. Therefore, the proposed technique enables OOK detection with fixed threshold and real-time implementation in high-speed satellite optical communications.

Original languageEnglish
Pages (from-to)1590-1596
Number of pages7
JournalOptics Express
Volume27
Issue number2
DOIs
Publication statusPublished - 2019 Jan 21

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keying
optical communication
thresholds
high speed
simulation

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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Fixed threshold on-off keying differential detection for satellite optical communications. / Shin, Won Ho; Choi, Jae Young; Han, Sang Kook.

In: Optics Express, Vol. 27, No. 2, 21.01.2019, p. 1590-1596.

Research output: Contribution to journalArticle

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