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the design of rectenna for wireless energy harvesting is presented in this paper. The rectenna design consists of a microstrip patch antenna and a rectifier circuit, in which both of them resonate at 2.45 GHz. CST software was used as the simulation tool of the proposed microstrip patch antenna. Then, the designed antenna was fabricated and assembled together, and tested using network Analyzer. The...
This paper presents the design of rectenna for RF energy harvesting system. The resonance frequency of the different parts of the rectenna such as the antenna and rectifier circuit is 2.45 GHz. The Microstrip patch antenna was designed using commercially available CST software. The patch antenna was then fabricated and tested using Network Analyzer. In order to achieve for DC output voltage-boosting;...
One of the important properties of Archimedean spiral antenna (ASA) is its unidirectional radiation pattern properties. This property is mainly achieved by using ground plane placed behind the spiral antenna. This paper presents the effects of air cavity ground plane on the design of two arms ASA. The GP is placed at λ/4 for the selected design frequencies. The GP deteriorates the antenna's performance...
This paper presents the design of the Archimedean Spiral Antennas (ASA) backed by a metal plate. The dimension of the spiral arm was designed to operate between 3.1 – 10.6 GHz and different permittivity of the dielectric substrate was employed between the spiral arm and the backing plate with specified electrical thickness of λg/4 at the lowest frequency range. The CST simulated results shows that...
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