Enhancement of QoS differentiation over IEEE 802.11 WLAN

被引：27
|
作者：
Zhao, LQ [1 ]
Fan, CX
机构：
[1] Xidian Univ, Informat & Sci Inst, Xian 710071, Shaanxi, Peoples R China
[2] Xidian Univ, State Key Lab ISN, Xian 710071, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2004年 / 8卷 / 08期
关键词：
distributed coordination function (DCF); enhanced DCF (EDCF); IEEE; 802.11; quality of service (QoS); WLAN;
D O I：
10.1109/LCOMM.2004.833787
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
IQD, a distributed coordination function (DCF) with integrated quality of service (QoS) differentiation, is proposed in this letter to enhance QoS over IEEE 802.11 WLAN. DCF does not support any QoS differentiation. Enhanced DCF (EDCF) only supports delay differentiation. IQD can achieve both delay and packet-loss-rate differentiation by differentiating the initial window size and the retry limit. Simulation results show that IQD performs better than DCF and EDCF in enhancing QoS, and the proposed analytical model is valid.
引用
收藏
页码：494 / 496
页数：3
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