Title :
Short-range radio-telemetry for electronic identification, using modulated RF backscatter
Author :
Koelle, Alfred R. ; Depp, Steven W. ; Freyman, Robert W.
Author_Institution :
University of California, Los Alamos, N.Mex.
Abstract :
An electronic identification system which uses modulated backscatter from an RF beam-powered tag is described. A subcarrier is used in the return signal format to allow separation from the background clutter and to allow use of a novel method to avoid RF phase problems.
Keywords :
Amplitude modulation; Backscatter; Circuits; Optical modulation; RF signals; Radio frequency; Radiofrequency identification; Scattering; Telemetry; Transponders;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1975.9928
