Quality of services support for IEEE 802.11 WLAN

Zong Kai Yang; Lin Zheng; Jianhua He; Zhen Fan; Wenqing Cheng

doi:10.1117/12.521335

Quality of services support for IEEE 802.11 WLAN

Zong Kai Yang, Lin Zheng, Jianhua He, Zhen Fan, Wenqing Cheng

Research output: Contribution to journal › Conference article

Abstract

As the channel is accessed randomly in IEEE 802.11 WLAN systems, it's difficult to support Quality of Services for real time applications. To solve the issue, there are already some approaches proposed in different network layers. However, when those QoS approaches are implemented in different network environments, the performance may vary significantly. In this paper, we will compare two major classes of QoS schemes for IEEE 802.11 WLAN in MAC layer and network layer respectively. The performances are compared in both one hop and multi-hop ad hoc network environments. It's observed that MAC layer QoS scheme is very efficient in one hop network environments, while network layer QoS schemes is only efficient for multi-hop ad hoc networks. Based on the observations, it's necessary to design a new hybrid scheme to efficiently support QoS in IEEE 802.11 WLAN system.

Original language	English
Pages (from-to)	198-204
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5284
DOIs	https://doi.org/10.1117/12.521335
Publication status	Published - 6 Jul 2004
Event	APOC 2003: Asia-Pacific Optical and Wireless Communications: Wireless Communications and Networks - Wuhan, China Duration: 4 Nov 2003 → 6 Nov 2003

Keywords

Ad hoc networks
Media access control
Quality of services
Queuing management
Wireless LAN

Access to Document

10.1117/12.521335

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Yang, Z. K., Zheng, L., He, J., Fan, Z., & Cheng, W. (2004). Quality of services support for IEEE 802.11 WLAN. Proceedings of SPIE - The International Society for Optical Engineering, 5284, 198-204. https://doi.org/10.1117/12.521335

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abstract = "As the channel is accessed randomly in IEEE 802.11 WLAN systems, it's difficult to support Quality of Services for real time applications. To solve the issue, there are already some approaches proposed in different network layers. However, when those QoS approaches are implemented in different network environments, the performance may vary significantly. In this paper, we will compare two major classes of QoS schemes for IEEE 802.11 WLAN in MAC layer and network layer respectively. The performances are compared in both one hop and multi-hop ad hoc network environments. It's observed that MAC layer QoS scheme is very efficient in one hop network environments, while network layer QoS schemes is only efficient for multi-hop ad hoc networks. Based on the observations, it's necessary to design a new hybrid scheme to efficiently support QoS in IEEE 802.11 WLAN system.",

keywords = "Ad hoc networks, Media access control, Quality of services, Queuing management, Wireless LAN",

author = "Yang, {Zong Kai} and Lin Zheng and Jianhua He and Zhen Fan and Wenqing Cheng",

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