Relay node selection with energy efficient routing using hidden Markov model in wireless sensor networks

摘要

Wireless sensor based routing is a challenging issue in the context of convergecast routing. In order to counter these issues the relay nodes share the burden of forwarding in multi-hop routing. In this research to counter the effect energy efficient relay node routing (ERNR) algorithm is proposed. ERNR relay nodes are found among the group of member nodes based on the residual energy of the node using Voronoi cells. The selected relay nodes with two hop neighbours form virtual subsets of cluster. The cluster head is then used to allocate the TDMA time slots to its neighbours based on the Hidden Markov prediction model. The proposed technique is evaluated with existing relay node based routing schemes and the performance of the ERNR algorithm yields significant improvements while considering energy related metrics.