Estimation of packet losses due to propagation impairments: Application to TCP performance over satellite

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dc.contributor.author Drougas, AE en
dc.contributor.author Panagopoulos, AD en
dc.contributor.author Cottis, PG en
dc.date.accessioned 2014-03-01T01:28:17Z
dc.date.available 2014-03-01T01:28:17Z
dc.date.issued 2008 en
dc.identifier.issn 1542-0973 en
dc.identifier.uri http://hdl.handle.net/123456789/18800
dc.subject Adaptive FEC en
dc.subject Ku band and above en
dc.subject Packet loss rate en
dc.subject Propagation impairments en
dc.subject Satellite communications en
dc.subject TCP en
dc.subject.classification Engineering, Aerospace en
dc.subject.classification Telecommunications en
dc.subject.other Adaptive systems en
dc.subject.other Data communication systems en
dc.subject.other Fading channels en
dc.subject.other Optical correlation en
dc.subject.other Satellite communication systems en
dc.subject.other Transmission control protocol en
dc.subject.other Correlated packet losses en
dc.subject.other Fading mechanisms en
dc.subject.other Packet loss rate en
dc.subject.other Packet-error models en
dc.subject.other Propagation impairments en
dc.subject.other Packet loss en
dc.title Estimation of packet losses due to propagation impairments: Application to TCP performance over satellite en
heal.type journalArticle en
heal.identifier.primary 10.1002/sat.897 en
heal.identifier.secondary http://dx.doi.org/10.1002/sat.897 en
heal.language English en
heal.publicationDate 2008 en
heal.abstract The transmission control protocol (TCP) is widely used to provide reliable data transmission due to its congestion and flow control mechanisms that provide reliable error recovery in higher layers. In satellite links, various atmospheric phenomena may lead to high packet loss rate (PLR) degrading the TCP throughput. Modem satellite systems operate at frequencies above 10 GHz, where rainfall is the dominant fading mechanism leading to high bit error ratio and correlated packet losses. In this paper, a mathematical analysis is presented to accurately describe the statistical properties of the packet-error process in a dynamically varying satellite channel. The proposed method is extended to provide PLR estimations when block forward error correction (FEC) is employed. A new Markov-based method, based on the previous analysis and adapted to the rain-faded satellite channel, is also presented for the estimation of TCP SACK throughput and tested against simulation results. Based on the information provided by the packet-error model, a study between the TCP performance under various FEC schemes and a proposed adaptive FEC scheme has provided indications about the superiority of the proposed model. Copyright (c) 2007 John Wiley & Sons, Ltd. en
heal.publisher JOHN WILEY & SONS LTD en
heal.journalName International Journal of Satellite Communications and Networking en
dc.identifier.doi 10.1002/sat.897 en
dc.identifier.isi ISI:000252519300004 en
dc.identifier.volume 26 en
dc.identifier.issue 1 en
dc.identifier.spage 57 en
dc.identifier.epage 81 en

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