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WWB15: Backscatter Demodulation

Posted on January 9, 2019 Written by Gregory Durgin



This lecture discusses the receiver architecture of a backscatter reader, explaining the nature of coherent detection and direct down-conversion.  The nature of these receivers introduces interesting behavior in terms of noise, sensitivity, and dynamic range.  A discussion of the “orange noise” model for these receivers is included.

WWB15:  Backscatter Demodulation

Paper:  G.D. Durgin, C.R. Valenta, M.B. Akbar, M.M. Morys, B.R. Marshall, Y. Lu. “Modulation and Sensitivity Limits for Backscatter Receivers.” IEEE RFID Conference, Orlando, FL. May 2013.

Filed Under: Backscatter Radio

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