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Clustering means partitioning nodes into groups called clusters, providing the network with a hierarchical organization. A self-stabilizing protocol, regardless of the initial system state, automatically converges to a set of states that satisfy the problem specification without external intervention. Due to this property, self-stabilizing protocols are adapted to highly dynamic networks as ad hoc...
Recent studies have revealed that on-chip interconnects neither is wire plentiful nor is bandwidth cheap. Based on the results of these studies, in physical design of multiprocessor system-on-chip (MPSoCs), both the wiring density constraint and routing of wires are controversial issues, and there is a trade-off between the network bandwidth and wiring limitations. Therefore, in this paper, we introduce...
So far, many analytical models have been proposed in the literature to evaluate the performance of networks with different topologies such as hypercube,torus, mesh, hypermesh, Cartesian product networks, star graph, and k-ary n-cube; however, to the best of our knowledge, no mathematical model has been presented for irregular networks. Therefore, as an effort to fill this gap, this paper presents...
The Suburban Ad Hoc Network (SAHN) is a cooperative ad hoc wireless mesh network. Nodes are owned and operated by end-users without reliance on central infrastructure. It provides symmetrical bandwidth allowing peer-to-peer services and distributed servers. We minimize the use of scarce unlicensed RF spectrum supported by Smart Antenna technology. RF interference in such networks and techniques and...
Tele-conference system is used for audio and video communication among people located far apart. Tele-conference system provides the users with a virtual conference space to give the users the impression that they are in the same place, even though in reality they are in different places. Tele-conference system makes use of the network technology to make this happen. The bandwidth feasibility test...
We propose a general clustering algorithm for dynamic sensor networks, that makes localized decisions (1-hop neighbourhood) and produces disjoint clusters. The purpose is to extract and emphasise the essential clustering mechanisms common for a set of state-of-the-art algorithms, which allows for a better understanding of these algorithms and facilitates the definition and demonstration of common...
Wireless ad hoc networks are self-configurable distributed systems. One of the major problems in traditional wireless ad hoc networks is interference. The interference could be reduced using smart directional antennas. In this study, multibeam smart antennas have been used. When using this type of antenna, two nodes can communicate when both the sending and receiving beams are pointing towards each...
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