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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...
Vehicle-induced turbulent airflow by the traffic in the highways is one of the sources of wind energy which can be harvested to supply the power to the highway lighting and telecommunication signaling. This work focuses on the assessment of potentiality of implementing small scale wind turbines along the highways in Malaysia. The study was started by conducting wind speed measurements adjacent to...
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;...
In wireless communication systems, interference becomes a major problem in limiting the quality of the transmitted and received signals. A common problem in wireless communications is to eliminate the interference signal that is mixed with the original signal. Thus, adaptive beamforming is proposed to eliminate the interference signal. This paper presents an adaptive antenna using a slotted patch...
This paper presents an evaluation of characteristic frequency features in healthy and diseased ECG via k-NN classifier. Initially, a total of 264 segment samples are obtained for healthy, bundle branch blocks, dysrhythmia cardiomyopathy conditions from the PTB Diagnostic ECG database. The signal is preprocessed to obtain the power spectral density. The characteristic frequency for each segment sample...
A reduction in physical size and multiband capability are important design requirements for antenna in future wireless devices. Designed process involved a mathematical analysis, numerical methods simulation and experimental measurement on fabricated antenna. The design and simulation process on purpose antenna was carried out using Microwave Office software. Then the proposed antenna was fabricated...
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