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Transport Protocol Performance over 4G Links: Emulation Methodology and Results
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. (Distributed Systems and Communication Research Group)ORCID iD: 0000-0003-0368-9221
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. (Distributed Systems and Communication Research Group)ORCID iD: 0000-0001-7311-9334
Signaler och System, Uppsala universitet.
2006 (English)In: Proceedings of the International Symposium on Wireless Communication Systems (ISWCS), IEEE Computer Society, 2006, p. 327-332Conference paper, Published paper (Refereed)
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.

Place, publisher, year, edition, pages
IEEE Computer Society, 2006. p. 327-332
National Category
Computer Systems
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-12183DOI: 10.1109/ISWCS.2006.4362313ISBN: 978-1-4244-0398-1 (print)OAI: oai:DiVA.org:kau-12183DiVA, id: diva2:509567
Conference
3rd International Symposium on Wireless Communication Systems (ISWCS), Valencia
Projects
Wireless IPAvailable from: 2012-03-13 Created: 2012-03-13 Last updated: 2018-06-04Bibliographically approved

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Alfredsson, StefanBrunstrom, Anna

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