Rateless coding on experimental temporally correlated fso channels

Jaime A. Anguita; Mark A. Neifeld; Björn Hildner; Bane Vasic

doi:10.1109/JLT.2010.2040136

Rateless coding on experimental temporally correlated fso channels

Jaime A. Anguita^*, Mark A. Neifeld, Björn Hildner, Bane Vasic

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

We present a demonstration of two error-correction coding schemes that can successfully operate on a free-space optical (FSO) communication channel subject to atmospheric turbulence. The codes (a puntured Low-density parity-check code and a Raptor code) operate by continuously adapting the information rate to accommodate the varying channel conditions. Because these coding schemes require the use of a feedback channel, we evaluate the bandwidth cost incurred. The evaluation of the codes is performed offline and uses experimental optical signals recorded from an FSO link.We analyze the temporal characteristics of the experimental channels and compare the performance of the codes for different bit rates to asses the effect of temporal correlation and imperfect channel state information. Index Terms-Atmospheric turbulence, error-correction coding, free-space optical (FSO) communication, laser applications, optical communication, rateless coding, soft decoding, time-varying channels.

Original language	English
Pages (from-to)	990-1002
Number of pages	13
Journal	Journal of Lightwave Technology
Volume	28
Issue number	7
DOIs	https://doi.org/10.1109/JLT.2010.2040136
State	Published - 2010

Bibliographical note

Funding Information:
Manuscript received October 02, 2009; revised November 29, 2009. First published January 15, 2010; current version published March 05, 2010. This work was supported in part by the Chilean Science and Technology Commission under Grant Fondecyt 1090709. J. A. Anguita is with the College of Engineering and Applied Sciences, University of the Andes, Santiago 7620001, Chile (e-mail: [email protected]). M. A. Neifeld is with the Department of Electrical and Computer Engineering and the College of Optical Sciences, University of Arizona, Tucson, AZ 85719 USA. B. Hildner and B. Vasic are with the Electrical and Computer Engineering Department, University of Arizona, Tucson, AZ 85719 USA. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/JLT.2010.2040136

Keywords

Artificial intelligence
Atmospheric thermodynamics
Atmospheric turbulence
Channel state information
Communication
Information theory

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abstract = "We present a demonstration of two error-correction coding schemes that can successfully operate on a free-space optical (FSO) communication channel subject to atmospheric turbulence. The codes (a puntured Low-density parity-check code and a Raptor code) operate by continuously adapting the information rate to accommodate the varying channel conditions. Because these coding schemes require the use of a feedback channel, we evaluate the bandwidth cost incurred. The evaluation of the codes is performed offline and uses experimental optical signals recorded from an FSO link.We analyze the temporal characteristics of the experimental channels and compare the performance of the codes for different bit rates to asses the effect of temporal correlation and imperfect channel state information. Index Terms-Atmospheric turbulence, error-correction coding, free-space optical (FSO) communication, laser applications, optical communication, rateless coding, soft decoding, time-varying channels.",

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author = "Anguita, {Jaime A.} and Neifeld, {Mark A.} and Bj{\"o}rn Hildner and Bane Vasic",

note = "Funding Information: Manuscript received October 02, 2009; revised November 29, 2009. First published January 15, 2010; current version published March 05, 2010. This work was supported in part by the Chilean Science and Technology Commission under Grant Fondecyt 1090709. J. A. Anguita is with the College of Engineering and Applied Sciences, University of the Andes, Santiago 7620001, Chile (e-mail: [email protected]). M. A. Neifeld is with the Department of Electrical and Computer Engineering and the College of Optical Sciences, University of Arizona, Tucson, AZ 85719 USA. B. Hildner and B. Vasic are with the Electrical and Computer Engineering Department, University of Arizona, Tucson, AZ 85719 USA. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/JLT.2010.2040136",

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N2 - We present a demonstration of two error-correction coding schemes that can successfully operate on a free-space optical (FSO) communication channel subject to atmospheric turbulence. The codes (a puntured Low-density parity-check code and a Raptor code) operate by continuously adapting the information rate to accommodate the varying channel conditions. Because these coding schemes require the use of a feedback channel, we evaluate the bandwidth cost incurred. The evaluation of the codes is performed offline and uses experimental optical signals recorded from an FSO link.We analyze the temporal characteristics of the experimental channels and compare the performance of the codes for different bit rates to asses the effect of temporal correlation and imperfect channel state information. Index Terms-Atmospheric turbulence, error-correction coding, free-space optical (FSO) communication, laser applications, optical communication, rateless coding, soft decoding, time-varying channels.

AB - We present a demonstration of two error-correction coding schemes that can successfully operate on a free-space optical (FSO) communication channel subject to atmospheric turbulence. The codes (a puntured Low-density parity-check code and a Raptor code) operate by continuously adapting the information rate to accommodate the varying channel conditions. Because these coding schemes require the use of a feedback channel, we evaluate the bandwidth cost incurred. The evaluation of the codes is performed offline and uses experimental optical signals recorded from an FSO link.We analyze the temporal characteristics of the experimental channels and compare the performance of the codes for different bit rates to asses the effect of temporal correlation and imperfect channel state information. Index Terms-Atmospheric turbulence, error-correction coding, free-space optical (FSO) communication, laser applications, optical communication, rateless coding, soft decoding, time-varying channels.

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Rateless coding on experimental temporally correlated fso channels

Abstract

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Keywords

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