A Wideband and Compact Circularly-Polarized Rectenna for Low Power Application

Abstract : This paper presents a wideband and compact circularly polarized rectenna composed by an Archimedean spiral antenna that covers the S and C frequency bands and a silicon Schottky diode. This rectenna (rectifier + antenna) is used for electromagnetic energy harvesting over a wide frequency band, in order to power autonomous wireless sensors used for satellite health monitoring. For low incident power densities (around 14 µW/cm²) the measured efficiency of at least 19% between 2GHz and 3.5GHz can be achieved using this rectenna. The efficiency may reach 37% at some frequencies in this wideband operating bandwidth.
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  • HAL Id : hal-01710172, version 1

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Abderrahim Okba, Alexandru Takacs, Hervé Aubert, Anthony Bellion, D Grenana. A Wideband and Compact Circularly-Polarized Rectenna for Low Power Application. IEEE Mediterranean Microwave Symposium (MMS), Nov 2017, Marseille, France. 4p. ⟨hal-01710172⟩

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