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Authors: Annika Wennström 1 ; Anna Brunstrom 1 ; Juan Rendón 2 and Jan H. Gustafsson 3

Affiliations: 1 Karlstad University, Sweden ; 2 Pompeu Fabra University, Spain ; 3 Telia Mobile AB, Sweden

Keyword(s): Wireless Internet, TCP, GPRS, preemption.

Abstract: GPRS extends the widely deployed GSM system with a more efficient wireless Internet access. In this paper we investigate how a TCP transmission over GPRS is affected when it loses all its resources due to preemption by circuit-switched calls with higher priority. The results indicate that TCP performance is degraded more than necessary, as buffered data is flushed immediately when the GPRS traffic is preempted. The time required for error recovery is considerable also for very short preemption periods. The situation would improve if data was buffered during preemption and if the data was transmitted immediately as GPRS resources become available again.

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Paper citation in several formats:
Wennström, A.; Brunstrom, A.; Rendón, J. and H. Gustafsson, J. (2004). THE IMPACT OF PREEMPTIVE PRIORITY IN GPRS ON TCP PERFORMANCE: A MEASUREMENT STUDY. In Proceedings of the First International Conference on E-Business and Telecommunication Networks (ICETE 2004) - Volume 1: TCPMAC; ISBN 972-8865-15-5; ISSN 2184-3236, SciTePress, pages 430-436. DOI: 10.5220/0001404804300436

@conference{tcpmac04,
author={Annika Wennström. and Anna Brunstrom. and Juan Rendón. and Jan {H. Gustafsson}.},
title={THE IMPACT OF PREEMPTIVE PRIORITY IN GPRS ON TCP PERFORMANCE: A MEASUREMENT STUDY},
booktitle={Proceedings of the First International Conference on E-Business and Telecommunication Networks (ICETE 2004) - Volume 1: TCPMAC},
year={2004},
pages={430-436},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001404804300436},
isbn={972-8865-15-5},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the First International Conference on E-Business and Telecommunication Networks (ICETE 2004) - Volume 1: TCPMAC
TI - THE IMPACT OF PREEMPTIVE PRIORITY IN GPRS ON TCP PERFORMANCE: A MEASUREMENT STUDY
SN - 972-8865-15-5
IS - 2184-3236
AU - Wennström, A.
AU - Brunstrom, A.
AU - Rendón, J.
AU - H. Gustafsson, J.
PY - 2004
SP - 430
EP - 436
DO - 10.5220/0001404804300436
PB - SciTePress

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