Global ETD Search
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Showing 1 to 13 of 13 for “"Rectenna"”.
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Design rectenna for wireless energy harvesting
… an increasing interest in energy harvesting. The rectenna, which is a combination of a rectifier and an antenna, is a device to harvest wireless energy in the air. This thesis is concentrated on the analysis, design and measurement of compact rectennas for Wi-Fi (RF) wireless energy harvesting …
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Broadband PIFA Rectenna Design for a Multi-Source Energy Harvesting Device
Combining different energy harvesting devices to optimize output power is crucial to the achievement of sustainable energy. This thesis focuses on the design, simulation and fabrication of a broadband Planar Inverted-F Antenna (PIFA) constructed for energy harvesting and its integration with a …
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Microstrip patch array rectenna with harmonic suppression capability for energy harvesting application
This research proposes a microstrip patch array rectenna for Radio Frequency (RF) energy harvesting at 2.45 GHz. Energy harvesting is a process where energy is derived from external sources which is captured and converted into power supply. External source being used in this research is RF energy. …
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Distribution power level by GSM900 base station for RF energy harvesting
… equipment operating at microwave frequency. Rectenna is a high gain antenna receiver that's good in rectifiers able to converse radio frequency (RF) energy to DC (direct current) power is an evidence of achievement in the field of electronic microwave. With the rapid development in the field …
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Wireless transmission of power for sensors in context aware spaces
… characterizing an element commonly known as a Rectenna, which consists of an antenna and an associated rectification circuitry. The rectenna is fully characterized in this dissertation and it is used for powering electronic lights, sounds, transmitters, and different types of sensors as well. …
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Wireless communication system for data transfer and wireless power transmission
… The proposed communication system functions as a rectenna when the difference in power of the received signals is appreciable or as data transfer system when the received power is negligible. The WRCS system is also capable of harvesting energy that impinges the communication system. The size of …
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Multi-source energy harvesting for lightweight applications
… charge pump to impedance-match to a rectenna with greater than 94% matching. The parasitic models developed for the RF harvester show errors less than 1.4% in the measured system.
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Electron beam lithography for nano-antenna fabrication
… for fabricating the small complex facets of rectenna such as fabrication of metal-insulator-metal (MIM) diodes.
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Studies on Optically Induced DC-Voltage in Thin Film Structures
… photovoltages. Further investigations on rectenna configurations and nonlinear optical rectification process showed promising results for photovoltage generation in a broadband scheme. A photodetector that combines polarization sensitivity and circularly polarized light sensitivity in the …
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Two-dimensional crystals : spectroscopy and electronic applications
… this rectifier with an antenna, the MoS₂-enabled rectenna successfully demonstrates direct energy harvesting of electromagnetic (EM) radiation in the Wi-Fi band and lights up a commercial light-emitting diode (LED) with zero external bias (battery-free). Moreover, our MoS₂ rectifier also realizes …
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A self-powered single-chip wireless sensor platform
"Internet of things” require a large array of low-cost sensor nodes, wireless connectivity, low power operation and system intelligence. On the other hand, wireless biomedical implants demand additional specifications including small form factor, a choice of wireless operating frequencies within …
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Incorporating Wireless Power Transfer in an LED Lighting Application
<p>There are various situations in which electrical energy is desired but cannot by conveniently supplied. Since the days of Hienrich Hertz and Nikola Tesla, scientists have tried to solve this problem using different methods of wireless power transfer. Today, wireless power transfer has only been …
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Demonstrační zařízení pro sklízení energie
Tato semestrální práce se zabývá problematikou sklizně elektromagnetické energie. Popisuje jednotlivé části řetězce, které jsou podstatné pro zpracování vysokofrekvenční energie. Rozebírá možnosti řešení a jejich vlastnosti. Cílem této práce je návrh vhodné antény s pomocnými obvody pro komerčně …