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Delay and Throughput in Random Access Wireless Mesh Networks

Summary: 1
Delay and Throughput in Random Access Wireless
Mesh Networks
Nabhendra Bisnik, Alhussein Abouzeid
Rensselaer Polytechnic Institute
Troy, NY 12180
bisnin@rpi.edu, abouzeid@ecse.rpi.edu
Abstract-- The wireless mesh networks (WMNs) are emerging
as a popular means of providing connectivity to communities
in both affluent and poor parts of the world. The presence of
backbone mesh routers and the use of multiple channels and
interfaces allow mesh networks to have better capacity than
infrastructure-less multihop ad hoc networks. In this paper we
characterize the average delay and capacity in random access
MAC based WMNs. We model residential area WMNs as open
G/G/1 queuing networks. The analytical model takes into account
the mesh client and router density, the random packet arrival
process, the degree of locality of traffic and the collision avoidance
mechanism of random access MAC. The diffusion approximation
method is used to obtain closed form expressions for end-to-end


Source: Abouzeid, Alhussein A. - Department of Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute


Collections: Engineering; Computer Technologies and Information Sciences