NDLI: Performance Analysis of IEEE802.11 Wireless Mesh Networks

Content Provider	IEEE Xplore Digital Library
Author	Ye Yan Hua Cai Seung-Woo Seo
Copyright Year	2008
Description	Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul (Ye Yan; Hua Cai; Seung-Woo Seo)
Abstract	The wireless mesh network is emerging as a promising technology in providing economical and scalable broadband Internet accesses to communities. The backbone of the wireless mesh network consists of mesh routers, which connect each other in an ad hoc manner via wireless links. The presence of backbone mesh routers and utilization of multiple channels and interfaces allow the wireless mesh network to have better capacity than that of the infrastructure-free ad hoc network formed by mesh clients directly. A special type of the mesh routers, referred to as gateway nodes, is capable of Internet connection, and other mesh routers and associated terminal clients have to access the Internet through the gateway nodes. In this paper, we present the analytically traceable stochastic models to characterize the average delay and throughput performance in wireless mesh networks. We model the forwarding mesh routers as an open queuing network. The analytical model takes into account the mesh router density, the random packet arrival process, the degree of locality of traffic and the collision avoidance mechanism of the IEEE802.11 DCF random access MAC. Our simulation results suggest that the analytical results are quite accurate, which can provide valuable insights in system performance and an effective guideline for the scalable design and optimization in wireless mesh networks.
Starting Page	2547
Ending Page	2551
File Size	193151
Page Count	5
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.482
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Wireless mesh networks Spine Internet Analytical models IP networks Ad hoc networks Stochastic processes Throughput Telecommunication traffic
Content Type	Text
Resource Type	Article

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