Title :
Local failure localization in large sensor networks
Author :
Couillet, Romain ; Hachem, Walid
Author_Institution :
Dept. of Syst. Sci., Supelec, Gif-sur-Yvette, France
Abstract :
The joint fluctuations of the extreme eigenvalues and eigenvectors of large sample covariance matrices of the spiked-model type are analyzed. This result is used to develop an original framework for the diagnosis of local failures in sensor networks, corroborated by simulations.
Keywords :
covariance matrices; eigenvalues and eigenfunctions; failure analysis; wireless sensor networks; covariance matrices; eigenvalues; eigenvectors; joint fluctuations; large sensor networks; local failure localization; spiked-model; Context; Covariance matrix; Eigenvalues and eigenfunctions; Indexes; Joints; Limiting; Vectors;
Conference_Titel :
Signals, Systems and Computers (ASILOMAR), 2011 Conference Record of the Forty Fifth Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
978-1-4673-0321-7
DOI :
10.1109/ACSSC.2011.6190369