A 28-GHz Switched-Beam Antenna with Integrated Butler Matrix and Switch for 5G Applications [PDF]
Sensors, 2021 This work presents a 28-GHz Butler matrix based switched-beam antenna for fifth-generation (5G) wireless applications. It integrates a 1 × 4 microstrip antenna, a 4 × 4 Butler matrix, and a single-pole four-throw (SP4T) absorptive switch in a single ...
Sujae Lee, Yongho Lee, Hyunchol Shin
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Design and Implementation of C-Band Large-Power Planar Butler Matrix in SRS [PDF]
SensorsIn satellite remote sensing (SRS), there is a demand for large-power microwave components. A Butler matrix is essential to a transmitting antenna array in SRS. This article illustrates the electrical and mechanical design, simulation, and test results of
Jinfeng Li +4 more
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A Low-Loss, 77 GHz, 8 × 8 Microstrip Butler Matrix on a High-Purity Fused-Silica (HPFS) Glass Substrate [PDF]
Sensors, 2023 A low-loss, compact, ultra-thin, passive, 77 GHz, 8 × 8 microstrip Butler matrix on a 200 μm thick high-purity fused-silica (HPFS) glass substrate embedded in 0.8 μm thick patterned gold conducting layers was developed for low power automotive radars ...
Ronak Sakhiya, Sazzadur Chowdhury
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A low-loss and compact single-layer butler matrix for a 5G base station antenna. [PDF]
PLoS ONE, 2019 Researchers are increasingly showing interest in the application of a Butler matrix for fifth-generation (5G) base station antennas. However, the design of the Butler matrix is challenging at millimeter wave because of the very small wavelength.
Intan Izafina Idrus +7 more
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mmWave Zero Order Resonant Antenna with Patch-Like Radiation Fed by a Butler Matrix for Passive Beamforming [PDF]
Sensors, 2023 A small zero-order resonant antenna based on the composite right-left-handed (CRLH) principle is designed and fabricated without metallic vias at 30 GHz to have patch-like radiation.
Manoj Prabhakar Mohan +3 more
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Butler Matrix Based on Substrate Integrated Waveguide Without Crossover and Phase Shifter for Millimeter Waves Applications [version 2; peer review: 1 approved, 2 approved with reservations] [PDF]
F1000ResearchBackground A novel low-loss 4 × 4 Butler Matrix structure for 26 GHz operation is designed in this study. The proposed 4 × 4 antenna Butler matrix comprises an inscribed structure, which makes it fundamentally different from traditional beam-forming ...
Zahriladha Zakaria +5 more
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Investigation on Beam Alignment of a Microstrip-Line Butler Matrix and an SIW Butler Matrix for 5G Beamforming Antennas through RF-to-RF Wireless Sensing and 64-QAM Tests [PDF]
Sensors, 2021 In this paper, an intuitive approach to assessing advantages of beamforming in 5G wireless communication is proposed as a novel try and practical demonstration of importance of alignment between the transmitter’s and receiver’s beams working in ...
Munsu Jeon +7 more
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Butler-Matrix Beamspace Front-Ends for Massive MIMO: Architecture, Loss Budget, and Capacity Impact [PDF]
SensorsMassive Multiple-Input Multiple-Output (MIMO) systems with hundreds or thousands of antenna elements are fundamental to next-generation wireless networks, promising unprecedented spectral efficiency through spatial multiplexing and beamforming.
Felipe Vico, Jose F. Monserrat, Yiqun Ge
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Compact 28 GHz Folded Butler Matrix Using Low-Temperature Co-fired Ceramics [PDF]
Journal of Electromagnetic Engineering and Science, 2022 This paper introduces a miniaturized Butler matrix design method using a folded structure. The Butler matrix was fabricated in multi-layers using low-temperature co-fired ceramics (LTCC) and designed to operate at 28 GHz.
Seunggoo Nam +3 more
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Implementasi Struktur Meander Line untuk Mereduksi Ukuran Butler Matrix 2 × 2
Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2021 Butler matrix adalah beamforming network yang umum digunakan pada antena multibeam karena memiliki struktur yang sederhana dan efisiensi yang tinggi. Namun, Butler matrix memiliki dimensi yang relatif besar.
Zulfi, Achmad Munir
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