DESIGN OF 4×4 BUTLER MATRIX AND ITS PROCESS MODELING USING PETRI NETS FOR PHASE ARRAY SYSTEMS

An Extended $4 \times 4$ Butler Matrix With Enhanced Beam Controllability and Widened Spatial Coverage

Huy Nam Chu, Tzyh‐Ghuang Ma · IEEE Transactions on Microwave Theory and Techniques · 2017 · 89 citations

Engineering, Electrical Engineering, Antennas +16

A Novel Design of $4 \times 4$ Butler Matrix With Relatively Flexible Phase Differences

Han Ren, Bayaner Arigong, Mi Zhou et al. · IEEE Antennas and Wireless Propagation Letters · 2015 · 87 citations

Engineering, Electrical Engineering, Microelectronics +6

A New Approach to Design Circularly Polarized Beam-Steering Antenna Arrays Without Phase Shift Circuits

Ya-Li Yao, Fu‐Shun Zhang, Fan Zhang · IEEE Transactions on Antennas and Propagation · 2018 · 47 citations

Engineering, Electrical Engineering, Antennas +15

DESIGN AND IMPLEMENTATION OF A PLANAR 4x4 BUTLER MATRIX IN SIW TECHNOLOGY FOR WIDE BAND HIGH POWER APPLICATIONS

Tarek Djerafi, Nelson J. G. Fonseca, Ke Wu · Progress In Electromagnetics Research B · 2011 · 42 citations · Full text

Engineering, Electrical Engineering, Antennas +16

Printed Dual-Layer Three-Way Directional Coupler Utilized as 3<formula formulatype="inline"><tex Notation="TeX">$\,\times\,$</tex> </formula>3 Beamforming Network for Orthogonal Three-Beam Antenna Array

Kejia Ding, Xiaoxing Fang, Yazhou Wang et al. · IEEE Antennas and Wireless Propagation Letters · 2014 · 30 citations

Engineering, Electrical Engineering, Antennas +15