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Fast power control for cross-layer optimal resource allocation in DS-CDMA wireless networks
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
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2009 (English)In: 2009 IEEE International Conference on Communications, 2009, 4341-4346 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a novel cross-layer design for joint power and end-to-end rate control optimization in DS-CDMA wireless networks, along with a detailed implementation and evaluation in the network simulator ns-2. Starting with a network utility maximization formulation of the problem, we derive distributed power control, transport rate and queue management schemes that jointly achieve the optimal network operation. Our solution has several attractive features compared to alternatives: it adheres to the natural time-scale separation between rapid power control updates and slower end-to-end rate adjustments, and uses simplified power control mechanisms with reduced signalling requirements. We argue that these features are critical for a successful real-world implementation. To validate these claims, we present a detailed implementation of a crosslayer adapted networking stack for DS-CSMA ad-hoc networks in ns-2. We describe several critical issues that arise in the implementation, but are typically neglected in the theoretical protocol design, and evaluate the alternatives in extensive simulations.

Place, publisher, year, edition, pages
2009. 4341-4346 p.
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
Critical issues, Cross-layer, Cross-layer design, Distributed power control, DS-CDMA, Extensive simulations, Fast power control, Joint power, Natural time, Network simulator NS-2, Network utility maximization, Optimal networks, Optimal resource allocation, Protocol design, Queue management scheme, Rate adjustment, Rate controls, Real-world implementation, Transport rate, Code division multiple access, Dielectric relaxation, Optimization, Planning, Power control, Resource allocation, Telecommunication services, Wireless telecommunication systems, Ad hoc networks
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-28507DOI: 10.1109/ICC.2009.5199029ISI: 000280922202053Scopus ID: 2-s2.0-70449484618OAI: oai:DiVA.org:kth-28507DiVA: diva2:390767
Conference
IEEE International Conference on Communications (ICC 2009) Dresden, GERMANY, JUN 14-18, 2009
Note
QC 20110124Available from: 2011-01-24 Created: 2011-01-14 Last updated: 2011-01-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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