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Pulse position modulation coding schemes for optical intersatellite links

Ghosna, Fadi and Sibley, Martin J.N. (2010) Pulse position modulation coding schemes for optical intersatellite links. Electronics letters, 46 (4). pp. 290-291. ISSN 0013-5194

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Abstract

The rapid and significant development of communications links between satellites has made it possible to use various applications such as relay voice, video, multimedia, etc. As a result, much research has been carried out in this field during recent years to reduce power consumption and increase transmission reliability. This reported work focuses on analysis of intersatellite links in free space, with optical links using laser sources being considered in particular. The use of several different coding schemes are discussed for use in such links: multiple pulse position modulation (MPPM); digital pulse position modulation (DPPM); Dicode pulse position modulation (Dicode PPM). Work has been carried out to compare these coding schemes in terms of error weightings and coding efficiency through showing how the PCM error rate is affected by false alarm and erasure errors for MPPM, DPPM and Dicode PPM coding 3 bits of PCM. Comparison between these coding schemes is drawn in terms of sensitivity and bandwidth efficiency

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
School of Computing and Engineering > Systems Engineering Research Group
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Depositing User: Sara Taylor
Date Deposited: 21 Apr 2011 14:43
Last Modified: 21 Apr 2011 14:43
URI: http://eprints.hud.ac.uk/id/eprint/10206

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