Cyber Times International Journal of Technology & Management

Wireless sensor networks (WSNs) consist of nodes with sensing, computation and wireless communication capabilities. The difference between the WSN and the traditional wireless networks is that sensors are sensitive to energy consumption. Many routing protocol have been proposed for sensor network where energy awareness is an essential consideration. In WSNs routing protocol may differ based on the application and network architecture. In this paper we give theoretical analysis of routing protocol for WSN by comparing their strengths and limitations. Three major categories explored in this survey are Data-centric approach, Location-based approach and multipath-based approach. Routing protocols are described under one of the aforementioned category.