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Load aware traffic engineering for mesh networks Devu Manikantan Shila *, Tricha Anjali
 

Summary: Load aware traffic engineering for mesh networks
Devu Manikantan Shila *, Tricha Anjali
Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
Available online 26 January 2008
Abstract
Wireless Mesh Network (WMN) is a multi-hop mesh network that consists of mesh routers and mesh clients, where mesh routers are
static and form the backbone of the mesh network. The static nature of mesh nodes imposes requirements for designing routing metrics
that support high-throughput and low packet delay. This article considers the problem of Interference-Load Aware routing in multi-
channel Wireless Mesh Networks. We propose a new Interference-Load Aware routing metric, ILA, that finds paths with reduced
inter-flow and intra-flow interference. The aim of this metric is to route the traffic through congestion free areas and balance the load
amongst the network nodes. We incorporate this new metric in the well known AODV routing protocol and study the performance of
ILA through simulations. We show that the proposed metric is able to adapt to changes in interfering traffic better than existing link
metrics such as ETT, WCETT and MIC. We also demonstrate that our metric delivers high-throughput in multi-channel networks.
2008 Elsevier B.V. All rights reserved.
Keywords: Wireless Mesh Networks; Multi-channel; Intra-flow interference; Inter-flow interference; Load aware routing
1. Introduction
Wireless Mesh Networks (WMNs) [13] have emerged
recently as a promising technology for next-generation
wireless networking to provide better services. A WMN
consists of two types of nodes: mesh routers and mesh cli-

  

Source: Anjali, Tricha - Department of Electrical and Computer Engineering, Illinois Institute of Technology

 

Collections: Computer Technologies and Information Sciences; Engineering