Energy Aware and Link Quality Based Routing in Wireless Sensor Networks under TinyOS-2.x

Provided by: International Journal of Modern Engineering Research (IJMER)
Topic: Networking
Format: PDF
In WSN (Wireless Sensor Network) the size of sensor node is too small and in future it will become smaller and energy is one of the constraints in sensor node in WSN. In sensor node energy required to process data, transmitting data and receiving data. Communication requires more energy than processing data. Tiny OS is embedded operating system in sensor node. In Tiny OS 2.x there is routing protocol called collection tree protocol. Collection tree protocol finds the route according to link quality. But residual energy is key factor in sensor node. The proposed routing protocol improves routing mechanism in collection tree protocol by energy based routing. The proposed algorithm (ELR) was compared with CTP (Collection Tree Protocol) protocol in terms of Packet Reception Ratio (PRR) and number of nodes alive ratio of the network.

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