End-To-End Reliability of Satellite Communication Network Systems

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Satellite communication networks with onboard processing (OBP) satellites can provide high-speed data transmission rates and global service coverage with reduced propagation delays. This article proposes a means of analyzing the quantitative reliability of the satellite communication network systems. First, we identify the four major factors that affect the quality of network services: the OBP states, uplink channels, downlink channels, and uplink packet collision losses. Based on these four factors, a Markov model is derived to analyze the probability distributions of various network states. Analytic results show the network reliability with respect to the OBP structures and space radiation environments. The relationship between network reliability and throughput according to the packet traffic load is also quantitatively analyzed. Finally, based on the developed model, a method is suggested for iteratively updating the reliability distribution of network systems affected by changes in the four factors as well as network access time changes. The numerical results show an indication of the satellite network reliability to provide references whether adjusted elements of the four factors are eligible to sustain reliable end-to-end services.
Publisher
Institute of Electrical and Electronics Engineers
Issue Date
2021-03
Language
English
Citation

IEEE Systems Journal, v.15, no.1, pp.791 - 801

ISSN
1932-8184
DOI
10.1109/JSYST.2020.2980760
URI
http://hdl.handle.net/10203/281706
Appears in Collection
AE-Journal Papers(저널논문)
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