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Photonic true-time delay unit for broadband adaptive nulling in antenna arrays

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3 Author(s)
Juswardy, B. ; Western Australia Centre for MicroPhotonic Syst., Edith Cowan Univ., Joondalup, WA, Australia ; Xiao Feng ; Alameh, K.

This paper describes an opto-VLSI-based tunable true-time delay generation unit used for adaptive null steering in phased array antennas. Arbitrary single or multiple true-time delays can simultaneously be synthesized for each antenna element to generate multiple broadband nulls. Simulated azimuth gain patterns for a 4-elements antenna arrays are presented. Experimental results, which demonstrate the principle of the true-time delay unit are also presented.

Published in:

Numerical Simulation of Optoelectronic Devices, 2009. NUSOD 2009. 9th International Conference on

Date of Conference:

14-17 Sept. 2009

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