@inproceedings{b8a59af32683448d8e90755033a95619,
title = "Performance of BPSK subcarrier intensity modulation free-space optical communications using a log-normal atmospheric turbulence model",
abstract = "In this paper, we present simulation results for the bit error rate (BER) performance and the fading penalty of a BPSK - subcarrier intensity modulation (BPSK-SIM) free-space optical (FSO) communication link in a log-normal atmospheric turbulence model. The results obtained are based on the Monte-Carlo simulation. Multiple subcarrier modulation schemes offer increased system throughput and require no knowledge of the channel fading in deciding what symbol has been received. In an atmospheric channel with a fading strength σl2 of 0.1 obtaining a BER of 10-6 using a 2-subcarrier system will require a signal-to-noise (SNR) of 23.1 dB. The required SNR increases with the fading strength and at a BER of 10-9 the fading penalty due to the atmospheric turbulence is ∼ 41 dB for σl2 = 0.9. The comparative studies of the OOK and BPSK-SIM schemes showed that for similar electrical SNR, BPSK-SIM offered improved performance across all range of turbulence variance.",
keywords = "BPSK, Log-normal channel model, Subcarrier intensity modulation, Turbulence",
author = "X. Tang and S. Rajbhandari and Popoola, \{W. O.\} and Z. Ghassemlooy and E. Leitgeb and Muhammad, \{S. S.\} and G. Kandus",
year = "2010",
doi = "10.1109/SOPO.2010.5504014",
language = "英语",
isbn = "9781424449644",
series = "2010 Symposium on Photonics and Optoelectronic, SOPO 2010 - Proceedings",
booktitle = "2010 Symposium on Photonics and Optoelectronic, SOPO 2010 - Proceedings",
note = "International Symposium on Photonics and Optoelectronics, SOPO 2010 ; Conference date: 19-06-2010 Through 21-06-2010",
}