Ansari, I. S. , Alouini, M.-S. and Cheng, J. (2015) Ergodic capacity analysis of free-space optical links with nonzero boresight pointing errors. IEEE Transactions on Wireless Communications, 14(8), pp. 4248-4264. (doi: 10.1109/TWC.2015.2418285)
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Abstract
A unified capacity analysis of a free-space optical (FSO) link that accounts for nonzero boresight pointing errors and both types of detection techniques (i.e. intensity modulation/direct detection as well as heterodyne detection) is addressed in this work. More specifically, an exact closed-form expression for the moments of the end-to-end signal-to-noise ratio (SNR) of a single link FSO transmission system is presented in terms of well-known elementary functions. Capitalizing on these new moments expressions, we present approximate and simple closed-form results for the ergodic capacity at high and low SNR regimes. All the presented results are verified via computer-based Monte-Carlo simulations.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ansari, Dr Imran |
| Authors: | Ansari, I. S., Alouini, M.-S., and Cheng, J. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | IEEE Transactions on Wireless Communications |
| Publisher: | IEEE |
| ISSN: | 1536-1276 |
| ISSN (Online): | 1558-2248 |
| Published Online: | 01 April 2015 |
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