Title :
Analysis of IEEE 802.11e for QoS support in wireless LANs
Author :
Mangold, Stefan ; Choi, Sunghyun ; Hiertz, Guido R. ; Klein, Ole ; Walke, Bernhard
Author_Institution :
Philips Res., Aachen, Germany
Abstract :
The IEEE 802.11e medium access control protocol is an emerging standard for wireless local area networks providing quality of service. An overview of this standard based on the current draft is presented on this article. We analyze the enhancements in 802.11 standard. The new hybrid coordination function of the IEEE 802.11e with its contention-based and contention-free (controlled) medium access control schemes is evaluated. The capability to provide QoS support is discussed by means of simulations.
Keywords :
access protocols; quality of service; wireless LAN; IEEE 802.11e standard; MAC protocol; QoS support; contention-based medium access; contention-free medium access; hybrid coordination function; medium access control; quality of service; wireless LANs; wireless local area networks; Access protocols; Frequency diversity; Intelligent networks; Local area networks; Media Access Protocol; Quality of service; Robust control; Spread spectrum communication; Wireless LAN; Wireless application protocol;
Journal_Title :
Wireless Communications, IEEE
DOI :
10.1109/MWC.2003.1265851