A Low-Cost Direction Controller for Phased Array Antennas

Liu, Yao and McCarthy, Michael and O'Leary, Paul (2013) A Low-Cost Direction Controller for Phased Array Antennas. In: World Academy of Science, Engineering and Technology, APRIL 14-15, 2013, Venice, Italy.

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Direction control of continuous wave (CW) beams in phased array antennas is investigated in this work using Monolithic Microwave Integrated Circuit (MMIC) quadrature modulator control. The concept was simulated using Matlab and Agilent’s ADS and then implemented using off-the-shelf quadrature modulators, more usually used in the signal chain for digital communications. These components were used as they have been optimised to smoothly and accurately modify the phase of a local oscillator input, for subsequent transmission as a modulated communications carrier, which is similar to the beam steering requirements of a phased array antenna. The phase controlled signals fed four simple patch antennas and the subsequent beam control characterised and presented here.

Item Type: Conference or Workshop Item (Paper)
Departments or Groups: Flexible Wireless Research Group
Divisions: School of Engineering > Department of Engineering Technology
Depositing User: Paul O'Leary
Date Deposited: 14 Mar 2014 16:04
Last Modified: 22 Aug 2016 10:27
URI: http://repository-testing.wit.ie/id/eprint/2801

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