Compact and Broadband 4×4 SIW Butler Matrix With Phase and Magnitude Error Reduction

Karamzadeh, Saeid and Rafii, Vahid and Kartal, Mesut and Virdee, Bal Singh (2015) Compact and Broadband 4×4 SIW Butler Matrix With Phase and Magnitude Error Reduction. Microwave and wireless components letters, 25 (12). pp. 772-774.

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Abstract

A novel two-layer 4 4 Butler matrix by feeding substrate integrated waveguide is designed and realized. The proposed Butler matrix has broadband operation frequency range of over 8.5 to 10.6 GHz with excellent phase and amplitude performance. The proposed design in this letter prevents the loss of amplitude and phase shifts in Butler matrix and decreases amplitude imbalance to less than 0.6 dB. This is achieved by reducing the size of Butler matrix and avoiding the use of a line length which causes a phase shift.

Item Type: Article
Uncontrolled Keywords: Beamforming feed network, Butler matrix, microwave component, substrate integrated waveguide
Subjects: 000 Computer science, information & general works
600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 08 Mar 2016 13:07
Last Modified: 10 Oct 2016 15:26
URI: http://repository.londonmet.ac.uk/id/eprint/928

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