A survey of energy efficient MAC protocols for IEEE 802.11 WLAN

Shiao-Li Tsao*, Chung Huei Huang

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

96 Scopus citations


In recent years, IEEE 802.11 wireless local area networks (WLANs) have been widely deployed, and more and more mobile devices have built-in WLAN interfaces. However, WLAN employs the carrier sense multiple access with collision avoidance (CSMA/CA) medium access control (MAC) protocol, which consumes a significant portion of the energy resources of a mobile device. Hence, minimizing the energy consumption of the WLAN interface in mobile devices has recently attracted considerable interest in both academia and industry. This article provides a survey and an experimental study of the energy consumption issues and energy-efficient technologies of the MAC protocol in IEEE 802.11 WLAN.

Original languageEnglish
Pages (from-to)54-67
Number of pages14
JournalComputer Communications
Issue number1
StatePublished - 15 Jan 2011


  • Energy efficiency
  • IEEE 802.11
  • Power management
  • Wireless local area network (WLAN)

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