Review: A survey of energy efficient MAC protocols for IEEE 802.11 WLAN

  • Authors:
  • Shiao-Li Tsao;Chung-Huei Huang

  • Affiliations:
  • Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan, ROC;Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan, ROC

  • Venue:
  • Computer Communications
  • Year:
  • 2011

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Abstract

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.