Conference Papers

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    Energy efficient load sharing mechanism for multipath routing protocol in wireless sensor networks
    (2011) Prasanna, K.; Hegde, S.; Shiva, M.G.
    Many existing energy efficient routing protocols in wireless sensor networks attempt to reduce the energy usage in data routing from source to sink node. Energy efficient routing in wireless sensor network is a paramount requirement to prolong the lifetime of the network. To increase the network lifetime, effective distribution of the traffic from the source node is very much necessary. We would like to propose a novel energy efficient load sharing mechanism in multipath routing for wireless sensor networks. The load sharing mechanism improves the wireless sensor network effectively. © Springer-Verlag 2011.
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    Reliability analysis of route redundancy model for energy efficient node disjoint multipath routing in wireless sensor networks
    (Elsevier Ltd, 2012) Shiva Murthy, G.; D'Souza, R.J.; Varaprasad, G.
    The objective of every sensor node in a sensor network is to send the sensed data in the phenomena to the sink node. Many routing protocols select an optimal path to increase the network lifetime in sensor networks. The consumption by the nodes along this optimal path is high, thereby causing their early death. In the multipath routing, path reliability is high, because of the availability of alternate paths to the optimal paths. This work proposes a theoretical frame work to study the reliability analysis of route redundancy model for node disjoint multipath networks in wireless sensor networks. The reliability of route redundancy in single path and multiple paths with varied number of nodes and its probability values are discussed. © 2012 Published by Elsevier Ltd.
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    Optimized Termite: A bio-inspired routing algorithm for MANET's
    (2012) Hoolimath, P.K.G.; Manjappa, M.; Guddeti, G.
    A Mobile Adhoc Network (MANET) is a collection of mobile nodes connected by the Wireless medium and each mobile node is aware of only its neighbours. Due to mobility of these mobile nodes the topology changes dynamically. Such a dynamic network topology makes the task of routing a challenging one. Recently, a new class of routing algorithms based on Swarm Intelligence has emerged. These algorithms are inspired by nature's self-organizing systems like ant-colonies, bird-flocks, honey-bees, school of fish, spiders and fireflies. The characteristics of such algorithms are their capability of self-organization, adaptation to the changing conditions, self healing and local decision making. In this work, a routing protocol inspired by the termite activity in nature, called Optimized-Termite (Opt-Termite), is proposed. Opt-Termite uses concept of stigmergy for self-organization, thereby reducing the control packet overhead. Opt-Termite mainly concentrates on load balancing for optimization. With Opt-Termite, a route with less loaded mobile nodes in terms of traffic will be chosen to reach destination. The routing information at each node gets influenced by the movement of packets and the routing table will be updated accordingly. It also allows the use of multiple paths and each packet is routed randomly and independently. Opt-Termite is implemented in ns-2 and its performance is compared with traditional routing protocol AODV. Opt-Termite's performance has been promising. © 2012 IEEE.