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Improved Markov Models for Terrestrial Free-Space Optical Links

Wu, Zifeng and Lankl, Berthold and Giggenbach, Dirk (2015) Improved Markov Models for Terrestrial Free-Space Optical Links. IET Optoelectronics, 9 (5), pp. 218-222. Institute of Engineering and Technology (IET). doi: 10.1049/iet-opt.2014.0117. ISSN 1751-8768.

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=7284797


Finite-state Markov chains are a useful tool for modelling communication channels with correlated fading and have recently also been applied with success to terrestrial free-space optical communication channels. However, the issue of how such Markov models should be optimised in order to accurately approximate the original continuous fading channel has not been addressed in a systematic manner. In this study, the authors improve on previous proposals by optimising the state space partitioning of the considered models. In particular, they investigate the properties and approximation accuracy of Markov models which are optimised according to information-theoretic considerations. They validate and evaluate their approach using a set of experimental measurements over a 12 km link distance. The obtained results confirm that optimised Markov models can provide better accuracy at lower state complexity, yet there remain shortcomings in capturing the autocovariance of the fading process.

Item URL in elib:https://elib.dlr.de/93235/
Document Type:Article
Title:Improved Markov Models for Terrestrial Free-Space Optical Links
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Wu, ZifengUniv. der BundeswehrUNSPECIFIEDUNSPECIFIED
Lankl, BertholdUniv. der BundeswehrUNSPECIFIEDUNSPECIFIED
Date:October 2015
Journal or Publication Title:IET Optoelectronics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 218-222
EditorsEmailEditor's ORCID iDORCID Put Code
Penty, RichardUniversity of CambridgeUNSPECIFIEDUNSPECIFIED
Publisher:Institute of Engineering and Technology (IET)
Series Name:IET Optoelectronics - Special Issue Optical Wireless Communications
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Giggenbach, Dr.-Ing. Dirk
Deposited On:18 Nov 2015 14:21
Last Modified:23 Jul 2022 13:43

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