Sabapathy, T. and Jusoh, M. and Ahmad, R. B. and Kamarudin, M. R. and Soh, P. J. (2016) A ground-plane-truncated, broadly steerable yagi-uda patch array antenna. IEEE Antennas and Wireless Propagation Letters, 15 . pp. 1069-1072. ISSN 1536-1225
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Abstract
A low-profile, broadly steerable, and reconfigurable array antenna with parasitic patches is proposed and investigated in this work. For patch-type antenna arrays, improvement of the beam-scanning range using parasitic patches is very limited. The typically achieved scanning range is between -30° and +30° from the broadside. Increasing the number of parasitic elements generally will only provide a mere 3°-5° improvement in terms of the beam-scanning range. In this work, the scanning range is improved by approximately 57% via a novel approach combining the additional parasitic elements and ground plane reduction techniques. Numerical and experimental results have validated that the array is capable of producing five different beam patterns directed towards -50°, -30°, 0°, +30°, and +50° steerable at the xz-plane using an optimized switching method and careful switch location selection on the parasitic elements.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Antenna grounds, Directional patterns (antenna), Directive antennas, Microstrip antennas, Numerical methods, Scanning, Scanning antennas, Slot antennas, Steerable antennas, Location selection, Multidirections, Parasitic patch, Patch array antennas, PiN diode, Reconfigurable array, Reduction techniques, Switching methods, Antenna arrays |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 74542 |
| Deposited By: | Fazli Masari |
| Deposited On: | 29 Nov 2017 23:58 |
| Last Modified: | 29 Nov 2017 23:58 |
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