A Markov-Based Satellite-to-Ground Optical Channel Model and Its Effective Coding Scheme

Yoshitoshi YAMASHITA, Eiji OKAMOTO, Yasunori IWANAMI, Yozo SHOJI, Morio TOYOSHIMA, Yoshihisa TAKAYAMA

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Summary :

We propose a novel channel model of satellite-to-ground optical transmission to achieve a global-scale high-capacity communication network. In addition, we compose an effective channel coding scheme based on low-density generator matrix (LDGM) code suitable for that channel. Because the first successful optical satellite communication demonstrations are quite recent, no practical channel model has been introduced. We analyze the results of optical transmission experiments between ground station and the Optical Inter-orbit Communications Engineering Test Satellite (OICETS) performed by NICT and JAXA in 2008 and propose a new Markov-based practical channel model. Furthermore, using this model we design an effective long erasure code (LEC) based on LDGM to achieve high-quality wireless optical transmissions.

Publication
IEICE TRANSACTIONS on Communications Vol.E95-B No.1 pp.254-262
Publication Date
2012/01/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E95.B.254
Type of Manuscript
PAPER
Category
Satellite Communications

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Keyword

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