2021 7th International Conference on Engineering, Applied Sciences and Technology (ICEAST) 2021
DOI: 10.1109/iceast52143.2021.9426284
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Implementation of RF Energy Harvesting System with Efficiency Improvement by Using Metamaterials

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“…Since the 2010s, there has been an increasing demand for wireless radio frequency (RF) and microwave transmitting devices with superior bandwidth, beamwidth, and polarization insensitivity, leading to more attention being paid to wireless energy harvesting (WEH) based on metasurfaces. Generally, such systems can be categorized into two aspects: traditional rectennas used to receive RF and microwave energy, with metasurfaces introduced to further enhance performance [6,7], or direct reception of RF and microwave energy using EM metasurfaces without rectennas [8][9][10][11]. This concept is inspired by N I Landy's perfect metamaterial absorber (MA), proposed in 2008 [12], which can absorb EM wave energy with an absorptance of 96% at 11.5 GHz.…”
Section: Introductionmentioning
confidence: 99%
“…Since the 2010s, there has been an increasing demand for wireless radio frequency (RF) and microwave transmitting devices with superior bandwidth, beamwidth, and polarization insensitivity, leading to more attention being paid to wireless energy harvesting (WEH) based on metasurfaces. Generally, such systems can be categorized into two aspects: traditional rectennas used to receive RF and microwave energy, with metasurfaces introduced to further enhance performance [6,7], or direct reception of RF and microwave energy using EM metasurfaces without rectennas [8][9][10][11]. This concept is inspired by N I Landy's perfect metamaterial absorber (MA), proposed in 2008 [12], which can absorb EM wave energy with an absorptance of 96% at 11.5 GHz.…”
Section: Introductionmentioning
confidence: 99%