Call admission control based on adaptive physical rate for EDCA in IEEE 802.11e WLAN system

被引：0
|
作者：
Kim, Taekyu [1 ]
Lee, Seungbeom [1 ]
Park, Sin-Chong [1 ]
机构：
[1] Informat & Commun Univ, Taejon 305732, South Korea
来源：
2008 5TH IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE, VOLS 1-3 | 2008年
关键词：
D O I：
10.1109/ccnc08.2007.19
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
IEEE 802.11e Wireless LAN standard supports the call admission control(CAC) for the Quality of Service(QoS) traffic such as video and voice based on the Medium Time which means the bandwidth allocation normalized by the arrival time interval of corresponding traffic streams. IEEE 802.11e defines the Medium Time and its argument, MPDUExchangeTime which means the duration for the transmission of corresponding traffic stream. The task group (TGe) for 802.11e recommend the definition of MPDUExchangeTime by using the minimum transmission physical layer rate (PHY rate) without considering adaptive PHY rate to the wireless channel variations. In this paper, we propose new MPDUExchangeTime considering the adaptive PHY rate instead of fixed rate. The CAC with this proposed MPDUExchangeTime enhance the user capacity by about 45%, maintaining the guarantee of QoS.
引用
收藏
页码：59 / 61
页数：3
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