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Service Characterizations for Multi-Hop Multiaccess Wireless Networks
KTH, School of Electrical Engineering (EES), Communication Networks.ORCID iD: 0000-0002-0150-2489
2014 (English)In: 2014 IEEE CONFERENCE ON COMPUTER COMMUNICATIONS WORKSHOPS (INFOCOM WKSHPS), 2014, p. 807-812Conference paper, Published paper (Refereed)
Abstract [en]

The objective of a wireless multiaccess communication system is to distribute limited wireless channel resources efficiently and fairly among its users. Solutions for multiaccess communications have been approached with very different perspectives of the same problem, among them information-theoretic approaches at the physical layer, random access at the media access layer, and packet scheduling at the link or network layer. Different system models with sometimes incongruent assumptions make it difficult to compare or reconcile multiaccess solutions emerging from different areas. In this paper we address these difficulties by presenting system-theoretic characterizations of the available service in multiaccess networks for all three approaches. Using these characterizations we derive performance bounds of multiaccess systems that see bursty traffic. We take advantage of a recently proposed (min, x) network calculus, which enables the analysis of networks with time-variable traffic (in bits per second) in terms of the fading channels parameters, i.e., signal-to-noise ratio (in dB). For each of the multiaccess approaches considered, we are able to compute probabilistic performance bounds for multi-hop wireless channels. The numerical results shed light on fundamental tradeoffs offered by each of these approaches.

Place, publisher, year, edition, pages
2014. p. 807-812
Series
IEEE Conference on Computer Communications Workshops, ISSN 2159-4228
Keywords [en]
Communication systems, Fading channels, Network layers, Information-theoretic approach, Media access layers, Multi-access communications, Multi-access systems, Multiaccess networks, Numerical results, Performance bounds, Probabilistic performance
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-156141DOI: 10.1109/INFCOMW.2014.6849334ISI: 000343582700176Scopus ID: 2-s2.0-84904489218ISBN: 978-1-4799-3088-3 (print)OAI: oai:DiVA.org:kth-156141DiVA, id: diva2:769508
Conference
IEEE Conference on Computer Communications (INFOCOM), APR 27-MAY 02, 2014, Toronto, CANADA
Note

QC 20141209

Available from: 2014-12-08 Created: 2014-11-21 Last updated: 2014-12-08Bibliographically approved

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Al-Zubaidy, Hussein

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CiteExportLink to record
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Citation style
  • apa
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Output format
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