Enhanced MAC architecture for differentiated services in IEEE 802.11 WLAN

Author

Shang, Yanlei ; Guo, Wei ; Cheng, Shiduan ; Ren, Biao ; Wang, Fei

Author_Institution

State Key Lab of Networking & Switching, Beijing Univ. of Posts & Telecommun., China

fYear

2004

fDate

11-13 Oct. 2004

Firstpage

214

Lastpage

218

Abstract

In this paper we propose a novel MAC architecture to support differentiated services in IEEE 802.11 WLAN. By limiting the number of the contending STAs and distributing different priorities to the traffic classes with particular QoS requirements, the resulting MAC can provide prioritized services with different delays and collision probabilities. For this QoS-enabled MAC scheme, we give analytical results of the collision probability and successful transmit probability. We also evaluate the performance by using the ns-2 simulator.

Keywords

DiffServ networks; access protocols; delays; probability; telecommunication traffic; wireless LAN; IEEE 802.11 WLAN; MAC architecture; QoS requirements; collision probabilities; delays; differentiated services; ns-2 simulator; prioritized services; traffic classes; Collision avoidance; Delay; Media Access Protocol; Multiaccess communication; Road accidents; Telecommunication switching; Telecommunication traffic; Traffic control; Wireless LAN; Wireless sensor networks; DCF; Qos-enabled MAC; differentiated services;

fLanguage

English

Publisher

ieee

Conference_Titel

IP Operations and Management, 2004. Proceedings IEEE Workshop on

Print_ISBN

0-7803-8836-4

Type

conf

DOI

10.1109/IPOM.2004.1547619

Filename

1547619