A survey of energy efficient MAC protocols for IEEE 802.11 WLAN

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...

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Veröffentlicht in:	Computer communications 2011-01, Vol.34 (1), p.54-67
Hauptverfasser:	Tsao, Shiao-Li, Huang, Chung-Huei
Format:	Artikel
Sprache:	eng
Schlagworte:	Access control Applied sciences C (programming language) Computer science control theory systems Computer systems and distributed systems. User interface Consumption Energy consumption Energy efficiency Exact sciences and technology IEEE 802.11 Local area networks Mobile communication systems Multiple access Power management Protocol (computers) Software Wireless communication Wireless local area network (WLAN)
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Beschreibung
Zusammenfassung:	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.
ISSN:	0140-3664 1873-703X
DOI:	10.1016/j.comcom.2010.09.008