Skip to Main content Skip to Navigation
Conference papers

Ultra-Compact and High-Efficiency Rectenna for Wireless Sensing Applications in Concrete Structure

Abstract : This paper presents an ultra-compact and high efficiency rectenna which can power wireless sensing nodes fully embedded in a concrete structure. The innovative proposed design is optimized in term of efficiency and compactness for the targeted application. The rectenna is compact, which a volume of 56 mm x 32 mm x 10 mm, (0.0004) and can reach a maximum RF to dc conversion efficiency of 70% at 868 MHz for 10kΩ load and for an illuminating RF power density of 4μW/cm². The use of a metallic cavity increases the rectenna performances and limits the negative impact of the concrete material. Thus, the rectenna into the cavity harvest a dc voltage up to 1.15V when the rectenna is illuminated with a RF power density of 1 μW/cm². Experimental results of the rectenna embedded in the concrete beam confirms the feasibility of powering a wireless sensor by wireless power transmission.
Complete list of metadata

https://hal.laas.fr/hal-03014084
Contributor : Daniela Dragomirescu <>
Submitted on : Thursday, December 3, 2020 - 5:08:22 PM
Last modification on : Thursday, June 10, 2021 - 3:48:20 AM
Long-term archiving on: : Thursday, March 4, 2021 - 6:09:48 PM

File

Article IMS_Final Version.pdf
Files produced by the author(s)

Identifiers

Citation

Alassane Sidibe, Alexandru Takacs, Gael Loubet, Daniela Dragomirescu. Ultra-Compact and High-Efficiency Rectenna for Wireless Sensing Applications in Concrete Structure. 2020 IEEE/MTT-S International Microwave Symposium (IMS), Aug 2020, Los Angeles, United States. pp.988-991, ⟨10.1109/IMS30576.2020.9223813⟩. ⟨hal-03014084⟩

Share

Metrics

Record views

49

Files downloads

68