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Wireless Mesh Network (WMN) is a self-configuring, self-organizing and self-healing communications network in a mesh topology. Every node collaborates on establishing routing path to communicate with each other or use the Internet services. Even though WMN increases reliability and provides high bandwidth, selfish or malicious nodes may disrupt the network-wide collaboration and abuse the available...
In a wireless mesh network (WMN), mesh clients (MCs) access the Internet through the wireless backbone formed by the Internet Gateways (IGWs) and Mesh Routers (MRs). An IGW as the traffic center may easily become the congestion center in a WMN. The load balancing between IGWs will reduce the traffic congestion thereby improving the network performance and providing a better quality of service (QoS)...
In a wireless mesh network (WMN) connected to the outer infrastructure such as the Internet, one or more gateways to connect to the outer network as well as surrounding nodes may frequently be congested by concentration of traffic from mobile stations. To resolve the congestion, we propose a new congestion control scheme for layer 3 WMNs. In the proposed scheme, nodes composing WMN backbone (MNs:...
In wireless mesh networks (WMNs) traffic is routed from mobile clients through a multihop wireless backbone to and from Internet gateways (IGWs). Because of their limited number, IGWs become the major traffic bottlenecks. The purpose of this work is to explore the benefits of introducing load-dependent routing metrics to increase WMN capacity and performance. We use weighted shortest path routing...
Wireless mesh network (WMN) is one of emerging technology of the next generation networks, and it is going to address the internet provision to users at low cost anytime from anywhere. Being a broadband wireless network of the future, still it is facing a lot of technical and critical issues which are prohibiting it from the world wide deployment and acceptance. The multi-hop nature and the ad hoc...
Wireless mesh networks have received considerable attention recently. If these networks were to reach their projected potential, some practical problems experienced in the first-generation deployments need to be addressed. One such problem is assuring that clients can share the (somewhat scarce) bandwidth fairly and that no client is forced to starve for bandwidth. We propose to make use of an aggregate...
In this paper, we propose an adaptive pacing scheme at the link layer for IEEE 802.11 based multihop wireless networks. Our objective is to improve the performance of higher layer protocols without any modifications to them. Our adaptive pacing scheme estimates the four-hop transmission delay in the network path without incurring any additional overheads, and accordingly paces the packets to reduce...
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