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Mobile Ad hoc networks are self-organizing and self-configuring multi hop wireless networks where, the structure of the network changes dynamically. Since a destination node might be out of range of a source node, a routing procedure is always needed to find a path, so as to forward the packets appropriately between the source and the destination. This paper proposes a new approach to evolve a suitable...
Mobile Ad Hoc Network (MANET) consists of a collection of wireless mobile hosts without the required intervention of any existing infrastructure or centralized access point such as base station. The dynamic topology of MANET allows nodes to join and leave the network at any point of time. Wireless MANET is particularly vulnerable due to its fundamental characteristics such as open medium, dynamic...
Wireless networks will carry various multimedia applications such as voice, video and data in the future. In order to provide service quality for delay sensitive applications such as voice and video, it is necessary that mobile ad hoc networks (MANETs) support quality of service (QoS) routing in terms of bandwidth and delay. Content-based communication is a competent candidate for such dynamic networks...
In wireless ad-hoc networks, there are several characteristics different with wired networks. The differences are changing of network topology, limited resources like bandwidth and energy and so on. In these days as the energy issue becomes more important, it is required to research about the efficient resource allocation methods optimized in wireless networks. In the paper, we improve LAR (Location-Aided...
In this paper, firstly we have proposed the free charged local community network service system with ad hoc networking technology and secondly then presented the performance evaluation model of the service with multi agent systems by using the prospect theory, and finally evaluated the service system. The proposed method is expected to contribute to the application of ubiquitous network and the optimum...
The base station (BS) deployment planning is become more complex for the next-generation wireless networks, which is an architecture with multi-tier topology. The multiple coexist networks are deployed to serve different kinds of mobile users that their traffic requirements and moving speeds are different. Thus, in this paper, we discuss how to deploy the heterogenous BSs that support different service...
A mobile ad hoc network (MANET) is a infrastructure less network comprising of mobile nodes which dynamically form a network without the help of any centralized administration. Frequently changing network topology needs efficient dynamic routing protocols. We compare the performance of two on-demand routing protocols for mobile ad hoc networks dynamic source routing (DSR) and ad hoc on-demand distance...
In this work, the connectivity of a static wireless network is studied in the presence of overlaying mobile nodes. The impact of topology changes on the connectivity of an ad hoc wireless network is investigated, where topology changes occur due to node failures. To this end, first, the failure pattern of the static nodes is modeled, then the benefit of having self-organizing capabilities in a wireless...
With the emergence of computer worms that can spread over air interfaces, wireless ad hoc and sensor networks can be vulnerable to node compromises even if the deployed network is not connected to the backbone. Depending on the physical topology of the wireless network, even a single infected node can compromise the whole network. In this work, epidemic (e.g. worm) propagation in a static wireless...
The physical topology of a wireless ad hoc network has a great impact on not only the performance of the algorithms developed for such networks, but also on the robustness (i.e., vulnerability to attacks or node failures) of the network. In this work, an empirical study on the impact of mobility on the epidemic (e.g., worm) propagation is provided, where topology-dependent and independent mobility...
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