Browsing by Author "Ahdi Rezaeieh, S."
Now showing items 1-6 of 6
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Conference Object
Broadband UHF antenna for heart failure detection system
Ahdi Rezaeieh, S.; Abbosh, A. M.; Antoniades, Marcos A. (2013)A three-dimensional cavity backed coplanar waveguide fed ultra-high frequency (UHF) antenna is presented. The antenna is designed to operate in microwave system for heart failure detection. A parasitic cavity is used to ...
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Article
Compact cpw-fed planar monopole antenna with wide circular polarization bandwidth
Ahdi Rezaeieh, S.; Abbosh, A. M.; Antoniades, Marcos A. (2013)The design and implementation of a coplanar waveguide-fed planar monopole antenna with circular polarization and broadband operation is presented. The antenna operates in the Industrial, Scientific, and Medical (ISM) and ...
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Article
Compact Wideband Loop Antenna Partially Loaded With Mu-Negative Metamaterial Unit Cells for Directivity Enhancement
Ahdi Rezaeieh, S.; Antoniades, Marcos A.; Abbosh, A. M. (2016)A wideband and unidirectional loop antenna partially loaded with mu-negative (MNG) metamaterial unit cells is presented. To reduce the electrical size of the antenna, its first resonance is formed by capacitively loading ...
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Conference Object
Equivalent circuit model for finding the optimum frequency range for the detection of heart failure using microwave systems
Ahdi Rezaeieh, S.; Tan, Y. -Q; Abbosh, A. M.; Antoniades, Marcos A. (2013)A circuit model is used to estimate the useful frequency bands that can be used in a microwave system designed for heart failure detection. That detection is realized by monitoring the accumulation of fluids in lungs ...
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Article
Gain Enhancement of Wideband Metamaterial-Loaded Loop Antenna with Tightly Coupled Arc-Shaped Directors
Ahdi Rezaeieh, S.; Antoniades, Marcos A.; Abbosh, A. M. (2017)A wideband and unidirectional loop antenna with enhanced and stable gain is presented. To reduce the size of the antenna, the loop is loaded with three mu-negative (MNG) metamaterial unit-cells. The proposed unit-cells ...
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Article
Miniaturization of Planar Yagi Antennas Using Mu-Negative Metamaterial-Loaded Reflector
Ahdi Rezaeieh, S.; Antoniades, Marcos A.; Abbosh, A. M. (2017)A technique to reduce the size and enhance the operating bandwidth (BW) of planar Yagi antennas, while maintaining their unidirectional radiation characteristics, is proposed in this paper. In this technique, the reflector ...