Investigation of a cross-layer link adaptation algorithm for IEEE 802.11n networks

Zuoyin Tang, Jianhua He, Yan Zhang, Zhong Fan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Link adaptation is a critical component of IEEE 802.11 systems, which adapts transmission rates to dynamic wireless channel conditions. In this paper we investigate a general cross-layer link adaptation algorithm which jointly considers the physical layer link quality and random channel access at the MAC layer. An analytic model is proposed for the link adaptation algorithm. The underlying wireless channel is modeled with a multiple state discrete time Markov chain. Compared with the pure link quality based link adaptation algorithm, the proposed cross-layer algorithm can achieve considerable performance gains of up to 20%.

Original languageEnglish
Title of host publicationIWCMC 2010 Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Place of PublicationNew York
PublisherAssociation for Computing Machinery (ACM)
Pages291-295
Number of pages5
ISBN (Print)9781450300629
DOIs
Publication statusPublished - 2010
Event6th International Wireless Communications and Mobile Computing Conference, IWCMC 2010 - Caen, France
Duration: 28 Jun 20102 Jul 2010

Conference

Conference6th International Wireless Communications and Mobile Computing Conference, IWCMC 2010
CountryFrance
CityCaen
Period28/06/102/07/10

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Keywords

  • IEEE 802.11
  • Link adaptation
  • Markov Chain
  • Medium Access Control
  • Performance mod-eling
  • Wireless Networks

Cite this

Tang, Z., He, J., Zhang, Y., & Fan, Z. (2010). Investigation of a cross-layer link adaptation algorithm for IEEE 802.11n networks. In IWCMC 2010 Proceedings of the 6th International Wireless Communications and Mobile Computing Conference (pp. 291-295). Association for Computing Machinery (ACM). https://doi.org/10.1145/1815396.1815464