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Coherent optical communication over the turbulent atmosphere with spatial diversity and wavefront predistortion

Author(s)
Lee, Andrew Lee; Chan, Vincent W. S.
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Optical communication through the atmosphere has the potential to provide data transmission over a distance of 1 to 100 km at very high rates. The deleterious effects of turbulence can severely limit the utility of such a system, however, causing outages of up to 100 ms. In this paper, we investigate the use of spatial diversity with wavefront predistortion and coherent detection to overcome these turbulence-induced outages. This system can be realized, especially if the turbulence or the receiver is in the nearfleld of the transmitter. New results include closed-form expressions for average bit error rate, outage probability, and power efficiency. Additionally, system performance gains in the presence of a worst-case interferer are presented. These significant results are used to develop design intuition for future system implementation.
Date issued
2010-03
URI
http://hdl.handle.net/1721.1/60262
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
IEEE Global Telecommunications Conference, 2009. GLOBECOM 2009
Publisher
Institute of Electrical and Electronics Engineers
Citation
Puryear, A., and V.W.S. Chan. “Coherent Optical Communication over the Turbulent Atmosphere with Spatial Diversity and Wavefront Predistortion.” Global Telecommunications Conference, 2009. GLOBECOM 2009. IEEE. 2009. 1-8. ©2010 IEEE.
Version: Final published version
Other identifiers
INSPEC Accession Number: 11171004
ISBN
978-1-4244-4148-8
ISSN
1930-529X

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