Energy Efficient Routing Protocol for Hierarchical Wireless Sensor Network

Computer Science and Engineering

There are numerous issues in wireless sensor network including node deployment, energy consumption without losing accuracy, data reporting model, node/link heterogeneity, node deployment, fault tolerance, network dynamics etc. Node deployment in WSNs is application dependent and affects the performance of the routing protocol. The deployment can be either deterministic or randomized. WSNs can use up their limited supply of energy performing and transmitting information in a wireless environment. As such, energy-conserving forms of communication and computation are essential. Data sensing and reporting in WSNs is dependent on the application and the time criticality of the data reporting. Data reporting can be categorized as either time – driven, event driven, or hybrid. Depending on the application a sensor node can have different role or capability. The failure of SNs should not affect the overall task of the sensor network. Routing messages from or to moving nodes is more challenging since rout stability becomes an important issue, in addition to energy, bandwidth etc. Here, the characteristics of Wireless Sensor Network are explored and a model for energy efficient Routing protocol is proposed and simulated.

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