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سی و دومین کنفرانس بین المللی مهندسی برق
Radio frequency energy harvesting with multi band rectenna in GSM 1800, UMTS2100 and WiFi
نویسندگان :
Sahar Bayat
1
Zahra Bahrami
2
Asghar Keshtkar
3
1- دانشگاه بین‌المللی امام خمینی (ره)
2- دانشگاه بین‌المللی امام خمینی (ره)
3- دانشگاه بین‌المللی امام خمینی (ره)
کلمات کلیدی :
Rectenna،Rectifier،Power Conversion Efficiency
چکیده :
In this paper, we present a triple-band dual Circular Polarization (CP) rectenna designed for efficient ambient Radio Frequency (RF) energy harvesting across three prominent frequency bands: GSM 1800, UMTS 2100, and WiFi. To achieve this, we propose a broadband dual CP receiving antenna covering the frequency range from 1.8GHz to 4.9GHz, with an impressive Axial Ratio (AR) bandwidth extending from 1.8GHz to 6 GHz. The antenna exhibits a maximum gain of 6.5 dB, effectively encompassing the selected frequency bands. Simulation results of the proposed rectenna reveal a remarkable conversion efficiency of 70%, even at a low RF input power density of -3dB, with a load resistance of 2.908kΩ. our work leverages two widely respected commercial software tools, CST and ADS, to facilitate the design and analysis process. This research not only advances the field of RF energy harvesting, but also demonstrates the practical viability of our rectenna for harnessing ambient RF energy across multiple essential frequency bands.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
