Multimedia services in IEEE 802.11e WLAN systems

Authors:
YuLong Fan;ChingYao Huang;YungLan Tseng
Affiliations:
National Chiao Tung University, HsinChu, Taiwan;National Chiao Tung University, HsinChu, Taiwan;National Chiao Tung University, HsinChu, Taiwan
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

Citing 2
Cited 0

Distributed mechanisms for quality of service in wireless LANs

IEEE Wireless Communications
Real-time voice over packet-switched networks

IEEE Network: The Magazine of Global Internetworking

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Abstract

With the increasing demands on real-time services in a Wireless LAN system, it is critical that the controls provided in WLAN are sufficient to ensure the required QoS. In this study, besides the EDCF and HCF control algorithms defined in the IEEE 802.11e, an enhanced timer-based control algorithm is proposed to effectively manage the delay budget. A simulation platform is developed to quantify the QoS performance and provides a frame work for developing new QoS control algorithms. The comparison between the proposed control algorithms and the traditional EDCF and HCF controls are also evaluated.