Abstract
Energy consumption and delay incurred in packet delivery are the two important metrics for measuring the performance of geographic routing protocols for Wireless Adhoc and Sensor Networks (WASN). A protocol capable of ensuring both lesser energy consumption and experiencing lesser delay in packet delivery is thus suitable for networks which are delay sensitive and energy hungry at the same time. Thus a smart packet forwarding technique addressing both the issues is thus the one looked for by any geographic routing protocol. In the present paper we have proposed a Fermat point based forwarding technique which reduces the delay experienced during packet delivery as well as the energy consumed for transmission and reception of data packets.
Highlights
Geographic routing protocols are fast coming up in the arena of Wireless Adhoc and Sensor Networks (WASN) for obvious reasons
In this paper we have proposed an energy efficient routing protocol that works on the principle of Fermat point
The nodes are deployed in a pseudo-random fashion within that region.The performance metrics taken are i) total number of hops traveled by a packet via the Fermat point to different geocast regions and ii) energy consumed to move the packet to different geocast regions
Summary
Geographic routing protocols are fast coming up in the arena of Wireless Adhoc and Sensor Networks (WASN) for obvious reasons. In [4] a global minima based scheme was proposed by the authors to find the Fermat point for n geocast regions which out performed the geometry driven scheme discussed in [3] in terms of total distance traveled by a data packet and the energy consumed by the network in trafficking the packet from source to the destined geographic regions. As the proposed protocol is free from route looping, it further reduces the effective distance traveled and the total number of hops encountered by a packet. This way, the energy expenditure for the network gets reduced as well.
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