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Performance Evaluation of Multi-Radio Transmission Diversity for TCP Flows
KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikation: Infrastruktur och tjänster, Kommunikationssystem, CoS.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikation: Infrastruktur och tjänster, Kommunikationssystem, CoS.
2009 (engelsk)Inngår i: 2009 IEEE VEHICULAR TECHNOLOGY CONFERENCE, 2009, s. 2728-2732Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The effect of the TCP congestion control mechanism over rapidly fluctuating wireless links is a deterioration of the TCP performance. The utilization of multi-radio accesses in future networks by means of packet scheduling and dynamic access selection enriches the arsenal of solutions that mitigate radio channel variations. Packet scheduling over multiple radio accesses at link level provides a novel diversity scheme referred to as Multi-Radio Transmission Diversity (MRTD). This work evaluates, through simulations, the effects of different MRTD schemes for TCP flows over heterogeneous radio links. Results indicate that MRTD schemes provide substantial gains in terms of goodput and show a significant reduction in file download times. These gains are due to the diversity obtained and the suppression of the unwanted duplicate acknowledgements that frequently cause degradation in TCP performance over a radio channel.

sted, utgiver, år, opplag, sider
2009. s. 2728-2732
Serie
IEEE Vehicular Technology Conference, ISSN 1550-2252
Emneord [en]
QoS, communication networks beyond 3G, multi-radio transmission diversity, multi-radio access networks, TCP
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-30643DOI: 10.1109/VETECS.2009.5073790ISI: 000273169201161Scopus ID: 2-s2.0-70349694197ISBN: 978-1-4244-2516-7 (tryckt)OAI: oai:DiVA.org:kth-30643DiVA, id: diva2:401441
Konferanse
69th IEEE Vehicular Technology Conference, Barcelona, SPAIN, APR 26-29, 2009
Merknad
QC 20110302Tilgjengelig fra: 2011-03-02 Laget: 2011-03-02 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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