Hybrid 2-PPM-BPSK-SIM with the spatial diversity for free space optical communications

Faridzadeh, Monire, Gholami, Asghar, Ghassemlooy, Zabih and Rajbhandari, Sujan (2012) Hybrid 2-PPM-BPSK-SIM with the spatial diversity for free space optical communications. Communication Systems, Networks & Digital Signal Processing (CSNDSP), 2012 8th International Symposium on. pp. 1-5.

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Official URL: http://dx.doi.org/10.1109/CSNDSP.2012.6292705

Abstract

In this paper, the effect of the equal gain combining (EGC) spatial diversity for the free space optical (FSO) link for the new hybrid pulse position modulation binary phase shift keying subcarrier intensity modulation (2-PPM-BPSK-SIM) scheme in a turbulence channel is investigated. The analytical unconditional bit error rate (BER) of 2-PPM-BPSK-SIM with the EGC diversity under lognormal and negative exponential channels is investigated and a computer simulation is carried out to quantify the diversity gain. The results are compared with the BPSK-SIM modulation scheme. The results show that the EGC diversity offers a significant optical power gain and 2-PPM-BPSK offers improved performance to BPSK-SIM.

Item Type: Article
Additional Information: 8th International Symposium 2012 on Communication Systems, Networks & Digital Signal Processing (CSNDSP), held in Poznan, Poland, from 18-20 July 2012.
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Related URLs:
Depositing User: Nicola King
Date Deposited: 02 Dec 2013 14:13
Last Modified: 10 Aug 2015 11:15
URI: http://nrl.northumbria.ac.uk/id/eprint/14739

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