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Design of a Dual-band Rectenna for Small IoT Terminal

Abstract : This article presents the design of a dual-band rectenna with a 40 x 30 x 2 mm3 dimension. The proposed circuit operates at the 925 MHz and 2450 MHz bands in order to harvest the RF power from cellular and ISM communication system. This rectenna consists in 2 main parts such as the rectifier circuit and the metal rimmed antenna. By combining two resonance structures, the dimension of the rectifier part can be minimized while the efficiency always keeps up to 60% for all bands. Moreover, the metal rimmed antenna that is connected to the rectifier part provides a reflection coefficient of -10 dB for 925 MHz and 2450 MHz frequency bands. In addition, with the antenna, a total efficiency of 47% at 925 MHz and more than 80% at 2450 MHz is achieved, which confirm that the proposed rectenna is perfectly suitable for small IoT terminal.
Type de document :
Communication dans un congrès
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https://hal.archives-ouvertes.fr/hal-02306774
Contributeur : Sophie Gaffé-Clément <>
Soumis le : lundi 7 octobre 2019 - 09:10:34
Dernière modification le : jeudi 5 mars 2020 - 12:20:37

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  • HAL Id : hal-02306774, version 1

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Le Huy Trinh, Ha Vu Ngoc Anh, Viet Hoang Trinh, Dinh Duy Phan, Hong Nguyen Thi Khanh, et al.. Design of a Dual-band Rectenna for Small IoT Terminal. 2019 International Symposium on Electrical and Electronics Engineering (ISEE) - Communication Engineering and Systems, Oct 2019, Ho Chi Minh, Vietnam. pp.5. ⟨hal-02306774⟩

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