A novel Butler matrix feeding system for BST multi-band antennas

Rezvani, Masoumeh; Nikmehr, Saeid; Ghanbari, Leila

doi:10.1587/elex.10.20120606

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2019

2023

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Cited by 3 publications

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“…Because one-dimensional (1D) Butler beamforming techniques [1,2,3,4,5,6,7,8,9] have become inadequate for satisfying the requirements of modern communication systems. Research efforts have shifted to the design of twodimensional (2D) Butler beamforming systems [10,11,12,13,14,15,16,17,18].…”

Section: Introductionmentioning

confidence: 99%

Application of a two-dimensional Butler matrix antenna array for tile-based beamforming

Hsieh

Lin

Jhan

et al. 2019

IEICE Electron. Express

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This paper proposes a new two-dimensional (2D) Butler matrix antenna array with 16 switching beams for tile-based beamforming. This study fabricated and assembled a 3.5-GHz Butler switching antenna array using multilayer Rogers printed circuit board technology. It adopted a new design concept and layer-by-layer vertical connection architecture. This 2D Butler matrix antenna array does not require long coaxial cables to connect functional circuit interfaces, which is an improvement over the traditional Butler matrix beamforming network (BFN) antenna array and may facilitate considerable reductions in circuit volume and complexity.

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