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Congestion Control in a High Speed Radio Environment
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datorteknik. (Core)
2004 (English)In: roceedings of the International Conference on Wireless Networks, 2004Conference paper, Published paper (Other scientific)
Abstract [en]

This paper explores interactions

between congestion control mechanisms at the

transport layer and scheduling algorithms at

the physical layer in the High-Speed Down-link

Packet Access extension to WCDMA. Two different

approaches to congestion control – TCP

SACK and TFRC – are studied. We find that

TCP SACK and TFRC in most respects perform

the same way. SIR scheduling give a higher

system throughput for both protocols than RR

scheduling, but introduces delay variations that

lead to spurious timeouts. The no feedback timeout

of TFRC was shown to exhibit a similar sensitivity

to delay spikes as the retransmit timeout

in TCP SACK.

Place, publisher, year, edition, pages
2004.
Identifiers
URN: urn:nbn:se:uu:diva-70787OAI: oai:DiVA.org:uu-70787DiVA: diva2:98698
Available from: 2005-05-13 Created: 2005-05-13

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http://www.sm.luth.se/csee/csn/publications/icwnfinal.pdf

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Larzon, Lars-Åke

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