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Overlay networks based on the P2P paradigm have been successfully employed to facilitate reliable data transport. They are used to improve the dependability of traffic flows between end-hosts without changing the underlying infrastructure. By observing connections between neighbours, the overlay can predict the statistical behaviour of the network and can thus select proper routes. In particular,...
Practical implementation of balanced data routing algorithms in WSNs is challenging because of the heterogeneity among nodes inherited from the physical world in forms of different amount of nodal traffic, residual energy, data transmission rate and bandwidth. As the main concern in sensor networks is preserving nodes' energy, such algorithms should balance energy depletion among nodes by carefully...
The rapid growth in micro-electronics technology and research in wireless sensor networks (WSNs) has made it possible to realize multimedia delivery on wireless multimedia sensor networks (WMSNs), consisting of tiny sensing devices. The volume and characteristics of multimedia data produced by WMSNs is quite different from the scalar data generated by conventional WSNs. This has raised the need to...
In this paper, we address the routing issue in a wireless mesh network, where each node is stationary and equipped with one or more radios. Specifically, we propose a new path metric called multi-hop effective bandwidth (MHEB), which provides a generic approach to calculate the achievable bandwidth along a path, taking the impacts of inter/intra-flow interference and space/channel diversity into account...
In sensor networks, both energy and bandwidth are scarce resources. In the past, the energy efficient routing problem has been vastly studied in order to maximize network lifetime, but link bandwidth has been optimistically assumed to be abundant. As energy constraint affects how data should be routed, link bandwidth also affects not just the routing topology but also the allowed data rate on each...
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