Ergodic Capacity Analysis of Free-Space Optical Links with Nonzero Boresight Pointing Errors
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ArticleKAUST Department
Communication Theory LabComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Date
2015-04-01Online Publication Date
2015-04-01Print Publication Date
2015-08Permanent link to this record
http://hdl.handle.net/10754/550522
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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 closedform results for the ergodic capacity at high and low SNR regimes. All the presented results are verified via computer-based Monte-Carlo simulations.Citation
Ergodic Capacity Analysis of Free-Space Optical Links with Nonzero Boresight Pointing Errors 2015:1 IEEE Transactions on Wireless CommunicationsarXiv
1805.05571ae974a485f413a2113503eed53cd6c53
10.1109/TWC.2015.2418285