Virtual Contention Window Based Scheme for Service Differentiation Over IEEE 802.11 Wireless LAN

Yanyi Xu; Wang Shu-zong

doi:10.1109/wicom.2006.343

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Virtual Contention Window Based Scheme for Service Differentiation Over IEEE 802.11 Wireless LAN

Yanyi Xu Wang Shu-zong

Year: 2006 Vol: e87 b Pages: 1-5

DOI: 10.1109/wicom.2006.343

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Abstract

This paper proposes a simple but effective scheme for supporting quality of service (QoS) in IEEE 802.11 WLAN. A station will initiate a virtual contention process before every data packet from network layer being delivered to the 802.11 MAC layer. Service differentiation can be achieved by using different virtual contention windows. An analytical model is then presented for performance evaluation. Simulation results validate the analytical model. Our scheme requires no modifications at 802.11 MAC layer

Keywords:

Computer network Computer science IEEE 802.11e-2005 IEEE 802.1X Network packet Quality of service Inter-Access Point Protocol IEEE 802.11 Scheme (mathematics) Window (computing) Wireless lan Service set Distributed coordination function IEEE 802.11s Simple (philosophy) Network allocation vector Wireless network Wireless Wi-Fi Wi-Fi array Wireless mesh network Operating system

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Wireless Networks and Protocols

Physical Sciences → Computer Science → Computer Networks and Communications

Mobile Ad Hoc Networks

Physical Sciences → Computer Science → Computer Networks and Communications

Cooperative Communication and Network Coding

Physical Sciences → Computer Science → Computer Networks and Communications

Virtual Contention Window Based Scheme for Service Differentiation Over IEEE 802.11 Wireless LAN

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