Bit-error-rate performance of high-order APPM and AOPPM for non-Kolmogorov gamma–gamma channel FSO communications

Meiyong Xu, Sibghat Ullah, Sihan Zhang, Deyu Yuan, Xiujia Fu, Kaimin Wang*, Xiangjun Xin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

High-order pulse modulations in free space optics (FSO) communication are of practical value, and non-Kolmogorov gamma–gamma (GG) channel model is the most suitable for FSO channel. However, research on a system combined with the above is rarely reported. In our work, we propose high-order (4*32 and 4*64) amplitude and pulse position modulation (APPM) and overlapping amplitude and pulse position modulation (AOPPM) FSO communication system under a modified non-Kolmogorov GG turbulent channel model. Simulation results present that AOPPM is obviously better than APPM in bit-error-rate (BER) performance, and BER performance grows with the increase of modulation order (number of pulse positions). The proposed schemes may provide a reference for system design and practical application.

Original languageEnglish
Pages (from-to)1141-1146
Number of pages6
JournalMicrowave and Optical Technology Letters
Volume63
Issue number4
DOIs
Publication statusPublished - Apr 2021
Externally publishedYes

Keywords

  • amplitude and pulse position modulation
  • high order
  • non-Kolmogorov gamma–gamma channel

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