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Transport Protocol Performance over 4G Links: Emulation Methodology and Results
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (Distributed Systems and Communication Research Group)ORCID-id: 0000-0003-0368-9221
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (Distributed Systems and Communication Research Group)ORCID-id: 0000-0001-7311-9334
Signaler och System, Uppsala universitet.
2006 (engelsk)Inngår i: Proceedings of the International Symposium on Wireless Communication Systems (ISWCS), IEEE Computer Society, 2006, s. 327-332Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper presents a wireless link and network emulator for the "Wireless IP" 4G system proposal from Uppsala University and partners. In wireless fading downlinks (base to terminals) link-level frames are scheduled and the transmission is adapted on a fast time scale. With fast link adaptation and fast link level retransmission, the fading properties of wireless links can to a large extent be counteracted at the physical and link layers. The emulator has been used to experimentally investigate the resulting interaction between the transport layer and the physical/link layer in such a downlink. The paper introduces the Wireless IP system, describes the emulator design and implementation, and presents experimental results with TCP in combination with various physical/link layer parameters. The impact of link layer ARQ persistency, adaptive modulation, prediction errors and simple scheduling are all considered.

sted, utgiver, år, opplag, sider
IEEE Computer Society, 2006. s. 327-332
HSV kategori
Forskningsprogram
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-12183DOI: 10.1109/ISWCS.2006.4362313ISBN: 978-1-4244-0398-1 (tryckt)OAI: oai:DiVA.org:kau-12183DiVA, id: diva2:509567
Konferanse
3rd International Symposium on Wireless Communication Systems (ISWCS), Valencia
Prosjekter
Wireless IPTilgjengelig fra: 2012-03-13 Laget: 2012-03-13 Sist oppdatert: 2018-06-04bibliografisk kontrollert

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Alfredsson, StefanBrunstrom, Anna

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