A Reconfigurable Aperture Coupled Microstrip Patch Antenna with Beam Steering Capability on Silicon

Reddy, S P (2012) A Reconfigurable Aperture Coupled Microstrip Patch Antenna with Beam Steering Capability on Silicon. Masters thesis, Indian Institute of Technology Hyderabad.

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First reconfigurable antenna came into existence in early 1980s. Reconfigurable antennas provide various functions in operating frequency, polarization & radiation patterns since it can be used to avoid noise sources, improve system gain & security [1]. Reconfiguring the Frequency is the major issue & lot of recent work has been done on frequency reconfigurability A Barium Strontium Titanate (BST) based reconfigurable Aperture-coupled patch antenna on high resistivity silicon substrates with beam steering capability using PIN doides has been proposed in this paper. For low dielectric constant region in silicon substrate, Micromachined technique is used. Varying voltage across BST layer changes its permittivity thereby tunable frequency is achieved and switching p-i-n diodes will steer the beam. A Novel structure is proposed which gives high directivity (> 6 dB), Good gain (> 5 dB), low VSWR (<1.5), low control voltages (<80V) & 60° HPBWs & also The proposed reconfigurable aperture coupled microstrip patch antenna array with beam scanning capability has almost 40 degree scanning angle and BST based reconfiguring frequency is achieved with good gain and directivity

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: TD54
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 11 Nov 2014 06:45
Last Modified: 16 Nov 2015 06:57
URI: http://raiith.iith.ac.in/id/eprint/704
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