NDLI: Adaptive timer selective repeat ARQ protocol for dynamic satellite constellations with intersatellite links

Content Provider	IEEE Xplore Digital Library
Author	Bin Fan Tafazolli, R. Evans, B.G.
Copyright Year	1999
Description	Author affiliation: Centre for Commun. Syst. Res., Surrey Univ., Guildford, UK (Bin Fan)
Abstract	Dynamic intersatellite links encapsulated in advanced satellite systems bring a new challenge for ARQ performance on a distance-varying end-to-end (DVE) connection routed in the sky. We address the impacts of DVE connections on the performance of selective repeat (SR) ARQ and propose an enhanced SR ARQ protocol named adaptive timer SR (ATSR) protocol, to work efficiently and robustly on dynamic DVE connections. By means of simulation, average packet transfer delay and link efficiency of the proposed protocol have been studied with respect to the data generation rate, window size, buffer size and retransmission (RT) timer. The results are discussed and compared to those of the SR protocol in both changing-distance and fixed-distance connections. Our investigation shows that the ATSR protocol can offer higher efficiency than the SR on DVE connections without much added complexity than the conventional SR ARQ protocol.
Starting Page	2174
Ending Page	2178
File Size	537817
Page Count	5
File Format	PDF
ISBN	0780355652
ISSN	10903038
DOI	10.1109/VETEC.1999.778441
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-05-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic repeat request Protocols Satellite constellations Strontium Robustness Throughput Routing Delay effects Degradation Low earth orbit satellites
Content Type	Text
Resource Type	Article

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