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Performance evaluation and parameterization of the IEEE 802.16 contention-based CDMA bandwidth request mechanism for the OFDMA physical layer
University of Würzburg Institute of Computer Science, Chair of Distributed Systems Würzburg, Germany.
University of Würzburg Institute of Computer Science, Chair of Distributed Systems Würzburg, Germany.
Saint-Petersburg Institute for Informatics and Automation, Russian Academy of Sciences St. Petersburg, Russia.ORCID iD: 0000-0003-4894-4134
NEC Network Laboratories Europe Heidelberg, Germany.
2009 (English)In: MSWiM '09: Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems, New York: Association for Computing Machinery (ACM), 2009, 374-383 p.Conference paper, Published paper (Refereed)
Abstract [en]

The IEEE 802.16 standard specifies two contention-based mechanisms for the OFDMA physical layer to transmit bandwidth requests from subscriber station to base station: the standard mechanism is based on Slotted Aloha with a truncated binary exponential backoff; the alternative one is based on CDMA. This paper describes the CDMA-based contention mechanism and presents an analytic model to compute its performance in terms of delay and consumed resources. The tunable parameters for the CDMA-based random access procedure are the number of ranging subchannels, the number of codes per ranging subchannels, and the detection threshold. An optimal configuration is derived for a given load in terms of the request arrival rate.

Place, publisher, year, edition, pages
New York: Association for Computing Machinery (ACM), 2009. 374-383 p.
Keyword [en]
CDMA, Dimensioning, IEEE 802.16, Performance evaluation, Random access, WiMAX
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:hh:diva-21000DOI: 10.1145/1641804.1641868ISI: 000281753300051Scopus ID: 2-s2.0-74049132726ISBN: 978-1-60558-616-8 OAI: oai:DiVA.org:hh-21000DiVA: diva2:587609
Conference
12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems, Tenerife, SPAIN, OCT 26-29, 2009
Available from: 2013-01-14 Created: 2013-01-14 Last updated: 2015-09-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
  • Other style
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Language
  • de-DE
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Output format
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