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In defense of wireless carrier sense

Published: 16 August 2009 Publication History

Abstract

Carrier sense is often used to regulate concurrency in wireless medium access control (MAC) protocols, balancing interference protection and spatial reuse. Carrier sense is known to be imperfect, and many improved techniques have been proposed. Is the search for a replacement justified? This paper presents a theoretical model for average case two-sender carrier sense based on radio propagation theory and Shannon capacity. Analysis using the model shows that carrier sense performance is surprisingly close to optimal for radios with adaptive bitrate. The model suggests that hidden and exposed terminals usually cause modest reductions in throughput rather than dramatic decreases. Finally, it is possible to choose a fixed sense threshold which performs well across a wide range of scenarios, in large part due to the role of the noise floor. Experimental results from an indoor 802.11 testbed support these claims.

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  • (2022)Evaluation of Received Signal Power Level and Throughput Depending on Distance to Transmitter in Testbed for Automotive WLAN IEEE 802.11ac Communication NetworkLatvian Journal of Physics and Technical Sciences10.2478/lpts-2022-000159:1(3-12)Online publication date: 2-Feb-2022
  • (2019)Damysus: A Practical IEEE 802.11ax BSS Color Aware Rate Control AlgorithmInternational Journal of Wireless Information Networks10.1007/s10776-019-00439-6Online publication date: 2-Jul-2019
  • (2017)On Carrier Sensing Accuracy and Range Scaling Laws in Nakagami Fading ChannelsWireless Communications & Mobile Computing10.1155/2017/71890902017Online publication date: 1-Jan-2017
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  1. In defense of wireless carrier sense

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      Published In

      cover image ACM SIGCOMM Computer Communication Review
      ACM SIGCOMM Computer Communication Review  Volume 39, Issue 4
      SIGCOMM '09
      October 2009
      325 pages
      ISSN:0146-4833
      DOI:10.1145/1594977
      Issue’s Table of Contents
      • cover image ACM Conferences
        SIGCOMM '09: Proceedings of the ACM SIGCOMM 2009 conference on Data communication
        August 2009
        340 pages
        ISBN:9781605585949
        DOI:10.1145/1592568
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      Published: 16 August 2009
      Published in SIGCOMM-CCR Volume 39, Issue 4

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      Author Tags

      1. CSMA
      2. analytical modeling
      3. carrier sense
      4. medium access control

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      Cited By

      View all
      • (2022)Evaluation of Received Signal Power Level and Throughput Depending on Distance to Transmitter in Testbed for Automotive WLAN IEEE 802.11ac Communication NetworkLatvian Journal of Physics and Technical Sciences10.2478/lpts-2022-000159:1(3-12)Online publication date: 2-Feb-2022
      • (2019)Damysus: A Practical IEEE 802.11ax BSS Color Aware Rate Control AlgorithmInternational Journal of Wireless Information Networks10.1007/s10776-019-00439-6Online publication date: 2-Jul-2019
      • (2017)On Carrier Sensing Accuracy and Range Scaling Laws in Nakagami Fading ChannelsWireless Communications & Mobile Computing10.1155/2017/71890902017Online publication date: 1-Jan-2017
      • (2016)Channel Selection Relying on Probabilistic Adjacent Channel Interference Analysis and Pattern RecognitionWireless Personal Communications: An International Journal10.1007/s11277-015-2992-z86:3(1333-1357)Online publication date: 1-Feb-2016
      • (2014)A split reliable transport protocol over the vehicular ad hoc network communication environmentWireless Communications and Mobile Computing10.1002/wcm.248615:18(2191-2205)Online publication date: 12-Jun-2014
      • (2013)Energy-efficient low power listening for wireless sensor networks in noisy environmentsProceedings of the 12th international conference on Information processing in sensor networks10.1145/2461381.2461415(277-288)Online publication date: 8-Apr-2013
      • (2013)On the efficiency of CSMA-CA scheduling in wireless multihop networksIEEE/ACM Transactions on Networking10.1109/TNET.2012.222584321:5(1392-1406)Online publication date: 1-Oct-2013
      • (2011)A Spatiotemporal Contention Resolution for Enhancing Spatial Reuse in Wireless NetworksIEEE Transactions on Vehicular Technology10.1109/TVT.2010.210162260:2(680-691)Online publication date: Feb-2011
      • (2011)A cross‐layer TCP for providing fairness in wireless mesh networksInternational Journal of Communication Systems10.1002/dac.123824:12(1611-1626)Online publication date: 11-May-2011
      • (2011)Integration of Opportunistic Routing and Network CodingMultihop Wireless Networks10.1002/9781119973607.ch7(133-192)Online publication date: 29-Jun-2011
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