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An Improved Multipath Energy Saving Routing Process in Wireless Sensor Network

Publication Date : 24/06/2015

Author(s) :

Chetana N , K. Nagadurga.

Volume/Issue :
Volume 2
Issue 6
(06 - 2015)

Abstract :

Wireless sensor networks consist of sensor nodes connected wirelessly which constantly monitors a physical environment and a sink node or a centralized base station is present which collects the data gathered by the sensor nodes for processing and analyzing the data and detect changes in the environment and alerts the end user. As the sensor nodes communicate with each other through wireless links there is no definite topology in the network this result in interference and path loss periodically which in turn reduces efficiency and decrease the energy levels of the sensor nodes. To achieve efficiency and reduce energy consumption duty-cycled wireless sensor networks control the active and sleep state of the sensor nodes. But this mechanism leads to variation of routing link costs in the network constantly as they are time-dependent and it leads to transmission delay along with reduced efficiency and energy. Hence in this thesis a distributed algorithm for construction of shortest routing paths in a network is proposed called Fastest Time Shortest Path algorithm. In earlier methods, the routing paths in a network are computed in multiple executions, where as in the proposed algorithm it computes in a single execution. It provides loop free routing paths with maintenance of the shortest paths in the network. The performance of the proposed algorithm with defining network parameters is analyzed and validated through NS2 simulations. 

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An Improved Multipath Energy Saving Routing Process in Wireless Sensor Network

June 19, 2015