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View article: A Metasurface Based High Gain Patch Antenna for Future Multiband Wireless Communication
A Metasurface Based High Gain Patch Antenna for Future Multiband Wireless Communication Open
This paper presents a novel, compact, and high gain metasurface (MS) patch antenna. The antenna structure consists of a slotted square patch in a fractal shape, integrated with a metasurface layer stacked on Taconic RF-30 dielectric materi…
View article: Multi-Beam Metasurface Control Based on Fre-quency Reconfigurable Antenna
Multi-Beam Metasurface Control Based on Fre-quency Reconfigurable Antenna Open
This paper presents a new design and analysis of a reconfigurable antenna with a switchable slot held using PIN diodes for multifunction reconfiguration, including frequency multiplexing. The performance of the proposed antenna in terms of…
View article: Resonance Analysis and Gain Estimation Using CMA-Based Even Mode Combination Method for Flexible Wideband Antennas
Resonance Analysis and Gain Estimation Using CMA-Based Even Mode Combination Method for Flexible Wideband Antennas Open
This work presents an efficient design and optimization method based on characteristic mode analysis (CMA) to predict the resonance and gain of wideband antennas made from flexible materials. Known as the even mode combination (EMC) method…
View article: A Dimension Estimation Method for Rigid and Flexible Planar Antennas Based on Characteristic Mode Analysis
A Dimension Estimation Method for Rigid and Flexible Planar Antennas Based on Characteristic Mode Analysis Open
An empirical method for simplified dimension estimation of patch antennas is proposed in this work based on characteristic mode analysis (CMA). This method involves generating formulae to calculate substrate-independent antenna patch width…
View article: Bandwidth Optimization of a Textile PIFA with DGS Using Characteristic Mode Analysis
Bandwidth Optimization of a Textile PIFA with DGS Using Characteristic Mode Analysis Open
This work presents the design and optimization of an antenna with defected ground structure (DGS) using characteristic mode analysis (CMA) to enhance bandwidth. This DGS is integrated with a rectangular patch with circular meandered rings …
View article: A Review of Antenna Analysis Using Characteristic Modes
A Review of Antenna Analysis Using Characteristic Modes Open
Characteristic modes can be used to solve many radiation and scattering problems involving fully conducting structures. The basic concept is to use eigenvalues and eigenvectors of the characteristic mode equations of a certain topology, an…
View article: Gain Optimization of Low-Profile Textile Antennas Using CMA and Active Mode Subtraction Method
Gain Optimization of Low-Profile Textile Antennas Using CMA and Active Mode Subtraction Method Open
This paper presents an active mode subtraction method based on the characteristic mode analysis to estimate the forward directivity based on the difference in modal significance curves. This made the optimization of the antenna gain in the…
View article: A comparative analysis of an electronic exams versus paper exams between different gender of iraqi students
A comparative analysis of an electronic exams versus paper exams between different gender of iraqi students Open
When students believe they can get smarter, they understand that effort makes them stronger. Therefore, they put in extra time and effort, and that leads to higher achievement. Besides that, the arrangement of question papers and answer sh…
View article: Modified design of microstrip patch antenna for UWB applications
Modified design of microstrip patch antenna for UWB applications Open
Ultra-wideband (UWB) patch antenna for Ku/K band applications is presented. In this paper, a microstrip line feed has been modified to an elliptical gradient structure, and the conventional radiator patch has been developed through the use…
View article: Adaptive modulation approaches parameters effect on LTE uplink waveform
Adaptive modulation approaches parameters effect on LTE uplink waveform Open
The next generation are regarding radio applied sciences designed in conformity with increase the capability and velocity about cellular networks. LTE is the first science designed bluntly because the Next Generation Network NGN yet is emb…