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In wireless sensor networks (WSNs), gathering sensed information, transforming the information data to the base station in an energy efficient manner, and lengthening the network lifetime are important issues. Clustering is an energy efficient way that divides sensor nodes into many clusters, each of which has a cluster-head. The routing from cluster-head sensor nodes to the base station, however,...
A wireless ad hoc network (WANET) is a collection of wireless terminals that communicate with each other without predetermined topology. Since WANET devices are power-limited, network protocols should be designed to prolong the battery lifetime of these devices. In this paper, we propose a cross-layer integration approach for power efficient routing protocol. The proposed cross-layer integration between...
Structured peer-to-peer networks overlay provide a substrate for the contribution of scalability, load balance, decentralization, and availability. However, new nodes are confronted with hijacking attacks on the peer-to-peer overlay with attackers. This paper proposes a model that the malicious nodes can not modify messages over the links and therefore can not control identifiers of correct nodes...
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