Comments on "Capacities for Long-Distance Free- Space Optical Links Under Beam Wander Effects"

We point out that the gamma-gamma distribution derived in the above letter does not satisfy the equation for the scintillation index in the presence of beam wander. In this comment, we present a new derivation of the distribution and show that the previously derived distribution overestimates the ef...

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Bibliographic Details
Published in:	IEEE photonics technology letters Vol. 30; no. 22; p. 1
Main Authors:	Mai, Vuong V., Park, Jaedon, Kim, Hoon
Format:	Journal Article
Language:	English
Published:	New York IEEE 15-11-2018 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	beam wander Fluctuations Free-space optical (FSO) communications gamma-gamma distribution Indexes Laser beams Optical transmitters Power system reliability Probability Probability density function Probability distribution functions scintillation
Online Access:	Get full text
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Description
Summary:	We point out that the gamma-gamma distribution derived in the above letter does not satisfy the equation for the scintillation index in the presence of beam wander. In this comment, we present a new derivation of the distribution and show that the previously derived distribution overestimates the effects of beam wander.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2018.2861722