Nodes Location Method Based on Correlation Analysis in WSN

Automatic nodes location is a key supporting technology in WSN, and gains much more attention with the development of the modern network technology and wireless communication technology. In this paper, a novel locating method based on correlation analysis is presented. First, in order to get the accurate and valid data, the normalization procedure is applied on the original wireless information. Then, the statistical histogram, which can decrease the dimension and weaken the effect of abnormal values for the normalized data, is adopted to summarize the detailed information and to represent the signal information. Finally, a novel nodes location method based on correlation analysis is proposed to evaluate the positions of the unknown nodes. The experiments tested on the public Intel Lab Data demonstrate the feasibility and validity of the proposed locating method for WSN.