Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel

Tang, Xuan, Ghassemlooy, Zabih, Rajbhandari, Sujan, Popoola, Wasiu Oyewole and Lee, Chung Ghiu (2011) Coherent optical binary polarisation shift keying heterodyne system in the free-space optical turbulence channel. IET Microwaves, Antennas & Propagation, 5 (9). pp. 1031-1038. ISSN 1751-8725

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Official URL: http://dx.doi.org/10.1049/iet-map.2010.0221

Abstract

In this paper, analytical and simulation results for the bit error rate (BER) performance and fading penalty of a coherent optical binary polarization shift keying (2PolSK) heterodyne system adopted for a free space optical (FSO) communication link modeled as the log-normal and the negative exponential atmospheric turbulence channels are presented. The conditional and unconditional BER expressions are derived, demonstrating the comprehensive similarity between the 2PolSK and the binary frequency shift keying (2FSK) schemes with regards to the system sensitivity. The power penalty due to the non-ideal polarization beam splitter (PBS) is also analyzed. The receiver sensitivity employing 2PolSK is compared with other modulation schemes in the presence of turbulence and the phase noise. The results show that 2PolSK offers improved signal-to-noise ratio (SNR) performance compared to the binary amplitude shift keying (2ASK).

Item Type: Article
Additional Information: Presented at ICTON 2011, Stockholm, 26-30 June 2011.
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Related URLs:
Depositing User: EPrint Services
Date Deposited: 04 Aug 2011 09:20
Last Modified: 08 May 2017 21:09
URI: http://nrl.northumbria.ac.uk/id/eprint/3722

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