A Study on Wireless Sensor Networks Location

On the study of location system, a novel location estimation scheme for wireless sensor network was proposed. The location estimation scheme has two steps. In the first step unknown nodes estimate the initial positions for sensor nodes by obtaining location information from anchors, and in the second step unknown nodes refines estimated positions by exchange location information with their neighbors to implement refinement location. Moreover, in our simulation reasonable and accurate locations can be obtained and the average position error sharply decreased