Microstrip antennas are widely used for WirelessPower Transfer applications both in medical and industrialenvironment, however, a trade-off between performance anddimensions must be set. This article proposes an hexagonalrectenna with enhanced radiation performance. The two-layerstructure accounts for an hexagonal ring antenna equipped withconcentric parasitic rings, fed by a microstrip line that coupleswith the antenna parasitic elements in order to achieve optimummatching conditions at 2.45 GHz. The second layer, made bymetallized FR-4, allows for enhancing the radiation performanceof the overall structure reaching for a 20 % and more thana +1.5 dBi increment in the radiation efficiency and antennagain respectively, while maintaining overall small dimensions.The rectenna is optimized by means of full-wave and nonlinearsimulations to also achieve good performance in theηRF−to−dcpower conversion efficiency.
Benassi F., Ur Rehman M., Jamshed M.A., Masotti D., Costanzo A. (2022). A novel Hexagonal Excitation for a Multi-Layer Wearable Miniaturized Antenna [10.1109/MMS55062.2022.9825615].
A novel Hexagonal Excitation for a Multi-Layer Wearable Miniaturized Antenna
Benassi F.;Masotti D.;Costanzo A.
2022
Abstract
Microstrip antennas are widely used for WirelessPower Transfer applications both in medical and industrialenvironment, however, a trade-off between performance anddimensions must be set. This article proposes an hexagonalrectenna with enhanced radiation performance. The two-layerstructure accounts for an hexagonal ring antenna equipped withconcentric parasitic rings, fed by a microstrip line that coupleswith the antenna parasitic elements in order to achieve optimummatching conditions at 2.45 GHz. The second layer, made bymetallized FR-4, allows for enhancing the radiation performanceof the overall structure reaching for a 20 % and more thana +1.5 dBi increment in the radiation efficiency and antennagain respectively, while maintaining overall small dimensions.The rectenna is optimized by means of full-wave and nonlinearsimulations to also achieve good performance in theηRF−to−dcpower conversion efficiency.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
