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The design of routing protocols for opportunistic networks (OppNets) generally assume that some cooperation prevail between the nodes. But, in the presence of non-collaborative attacks such as supernova and hypernova, the routing operations become a challenge. This paper proposes a defense mechanism against the misbehavior of supernova and hypernova nodes in an OppNet running Epidemic and ProPHet...
The Mobile Ad-hoc network (MANET) uses the concept of Dynamic technology in the wireless network. The most important challenge in building of MANET is the power consumption by the nodes. According to the demand of present scenario different energy efficient routing protocol has come into existence that helps in increasing the life time of the battery. Emerging Trends in energy efficient routing protocols...
In many sensor network applications, messages are perciodically flooded through the network. Routing protocols also depend on such flooding for their functioning. Establishment of a connected dominating set (CDS) helps in reducing the cost of such operations. We propose a robust distributed algorithm for setting up a CDS and maintaining the CDS under a variety of node and link failures. We compare...
Wireless Sensor Network (WSN) is one of the emerging technological fields due to recent advancements and area of research. The WSN is collection small sensor nodes, which are battery driven and have very less power. Recent research area of WSN focuses on energy consumption, routing, QoS, bandwidth, packet loss etc. This paper focuses on comparative analysis among various existing routing protocols...
This paper presents an efficient and scalable framework called Reliable and Energy Efficient Framework (REEF) for reliable data collection in Wireless Sensor Networks. REEF employs a distributed scheme which enables it to scale to large networks. It partitions the network in to clusters where the node with highest residual energy in a neighborhood become the cluster head. REEF forms a virtual backbone...
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