Michael V Mccarron

US Patent:

8478319, Jul 2, 2013

Filed:

May 12, 2010

Appl. No.:

12/778206

Inventors:

Mahmood R. Azimi-Sadjadi - Fort Collins CO, US
SaravanaKumar Srinivasan - Fort Collins CO, US
Michael V. McCarron - Livermore CO, US

Assignee:

Information System Technologies, Inc. - Fort Collins CO

International Classification:

H04B 17/00
H04W 24/00
G08B 1/08
G08B 23/00
G01S 3/80
H04J 11/00
H04L 27/28
H04L 27/06
G06F 15/16

US Classification:

455507, 455 6711, 4554561, 34053919, 34053922, 3405731, 367124, 367127, 367128, 370208, 370210, 375260, 375341, 709229

Abstract:

A distributed sensor network has a base station and clusters of sensor nodes. In a method of locating and classifying signal sources, at each node divides a received signal into blocks, performs Fourier-based transform on the blocks, selects peaks from the transformed blocks, selects subbands with features of interest based on the frequency of occurrence of the peaks across the blocks, collaborates with other nodes in the cluster to make a final selection of the subbands, encodes the subband features of the signal, and transmits the subband features to the base station. The base station processes the received subband features to locate and classify the signal sources.