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Mobile Ad hoc Networks (MANETs) are self configuring and self healing networks that do not require any existing infrastructure. As the nodes constituting the network are mobile, the network topology can be very dynamic. Hence, special routing protocols are designed to cater to the dynamic nature of MANETs. Optimized Link State Routing (OLSR) is once such protocol that has proven to be a potent routing...
Wireless mesh networks (WMNs) are multihop wireless networks with self-healing and self-configuring capabilities. These features, plus the ability to provide wireless broadband connectivity at a comparatively low cost, make WMNs a promising technology for a wide range of applications. While discussing the suitability of WMN technology for public safety and crisis management communication, this article...
Ad-hoc networks generally comprise of mobile wireless nodes having limited communication and computation resources. These nodes execute special routing protocols, which help to establish multi-hop communication despite a dynamic topology. The greedy perimeter stateless routing (GPSR) protocol is one such routing protocol that is frequently used to establish routes in an ad-hoc or sensor network. However,...
Multi-radio Wireless Mesh Networks (WMN) are gaining lot of popularity owing to their increased application to community and public safety networks. WMNs form a static wireless backhaul to provide connectivity to mobile clients. The wireless medium, being shared and contended for, creates a number of hurdles including congestion, interference and noise. Multi-radio nodes can take advantage of the...
Wireless mesh networks have recently gained a lot of popularity due to their rapid deployment and instant communication capabilities. These networks comprise of somewhat static multi-radio Mesh Routers, which essentially provide connectivity between the mobile single-radio mesh clients. Special routing protocols are employed, which facilitate routing between the mesh routers as well as between the...
Ad-hoc networks, due to their improvised nature, are frequently established in insecure environments, which makes them susceptible to attacks. These attacks are launched by participating malicious nodes against different network services. Routing protocols, which act as the binding force in these networks, are a common target of these nodes. Ad-hoc on-demand distance vector (AODV) is one of the widely...
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