Outage probability of multihop free space optical communications over Nakagami fading channels

Tang, Xuan, Xu, Zhengyuan and Ghassemlooy, Zabih (2013) Outage probability of multihop free space optical communications over Nakagami fading channels. In: Proceedings of NOC/OC&I. IEEE, Piscataway, NJ, pp. 199-202. ISBN 978-1467358217

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Official URL: http://dx.doi.org/10.1109/NOC-OCI.2013.6582890


In this paper, the end-to-end outage probability of a multihop free space optical (FSO) communication system over N independent Nakagami fading relay channels are analyzed. We assume that the channel state information-based relays have the knowledge of the channel states in the preceding hops. The Laplace transform of the inverse end-to-end signal-to-noise ratio (SNR) is derived in a closed form. Based on this expression, the outage probability involving N statistically independent, but not necessarily identically distributed (i.n.i.d) Nakagami relay channels is evaluated numerically via the inverse Laplace transform. The results indicate that the outage probability improves as N decreases and/or the arbitrary fading parameter m increases. This is because the probability that any of the cascaded fading channels is in deep fade decreases significantly. Therefore, the smaller N and/or larger m, the better the multihop relay channel.

Item Type: Book Section
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Sarah Howells
Date Deposited: 31 Jul 2013 14:56
Last Modified: 12 Oct 2019 19:07
URI: http://nrl.northumbria.ac.uk/id/eprint/13312

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