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Conference Papers Year : 2020

Nonlinear Negative Resistance-based Harmonic Backscatter

Abstract

Backscattering communication is a key feature that will enable the true IoT/5G revolution towards massive use. However, the specification pressure it puts on the reader/gateway is a major drag on their deployment. In fact, self-jamming resulting from backscattering operation is highly problematic. Harmonic Backscattering Communication comes as a great solution to improve the dynamic range of the backscattered signal that can be received/analysed, thus increasing communication distance. We propose here a harmonic backscattering front-end based on nonlinear negative resistance device that also operates like usual backscatter tag with legacy reader. The circuit provides above +20dB conversion gain and reflection gain, and operates with a supply voltage below 200mV, which is a critical improvement over transistor technology

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Electronics
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Dates and versions

hal-04559977 , version 1 (26-04-2024)

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Karan Gumber, Francesco Amato, Corinne Dejous, Simon Hemour. Nonlinear Negative Resistance-based Harmonic Backscatter. 2020 IEEE/MTT-S International Microwave Symposium (IMS 2020), Aug 2020, Los Angeles, CA, United States. pp.603-606, ⟨10.1109/IMS30576.2020.9223877⟩. ⟨hal-04559977⟩
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