A Minimum Energy Consumption Routing Algorithm Based on Geographical Location Information for Wireless Sensor Networks

High energy efficiency is one of the most important requirements for Wireless Sensor Network (WSN) design, and energy efficient routing is an important measure to achieve this goal. In this paper, a routing algorithm is proposed for WSN, GLB-DMECR, which adopts the Minimum Energy Consumption (MEC) as the metric. Comparing with other algorithms, GLB-DMECR has three obvious features: Firstly, GLB-DMECR adopts a novel routing idea, that is, the ideal MEC path is used to guide the routing procedure to find a practical MEC path. Secondly, GLB-DMECR adopts a decentralized and localized routing decision mechanism, which makes it more stable and scalable. Finally, GLB-DMECR exploits the utility of nodes Geographic Location Information (GLI) in routing and it adds little burden to the network. The implementation of GLB-DMECR is relatively simple, and it has been verified by simulation that the MEC performance of GLB-DMECR is better than or equivalent to that of present other typical MEC algorithms under wide network circumstances.