Butler matrix based beamforming networks for phased array antenna systems: A comprehensive review and future directions for 5G applications
Due to the rapid development of wireless communication technologies, the number of
wireless users are radically increasing. Currently,~ 23 billion wireless devices are …
wireless users are radically increasing. Currently,~ 23 billion wireless devices are …
Recent developments of butler matrix from components design evolution to system integration for 5g beamforming applications: A survey
Beamforming networks for multiple beam antennas are believed to be in the vanguard of
technological developments in mmWave for 5G wireless applications. The basic idea of …
technological developments in mmWave for 5G wireless applications. The basic idea of …
Recent developments and challenges on beam steering characteristics of reconfigurable transmitarray antennas
Q Ali, W Shahzad, I Ahmad, S Safiq, X Bin, SM Abbas… - Electronics, 2022 - mdpi.com
This paper highlights recent developments and challenges on beam steering characteristics
of reconfigurable transmitarray antennas. It introduces the operating principle of beam …
of reconfigurable transmitarray antennas. It introduces the operating principle of beam …
Compact Metamaterial Based Butler Matrix With Improved Bandwidth for 5G Applications
This paper proposes a novel compact 4× 4 butler matrix (BM) with improved bandwidth
based on open-circuit coupled-lines and interdigital capacitor unit-cell to develop composite …
based on open-circuit coupled-lines and interdigital capacitor unit-cell to develop composite …
A Miniaturized Metamaterial-Loaded Switched-Beam Antenna Array System With Enhanced Bandwidth for 5G Applications
In this research study, a metamaterial (MTM) based linear antenna array is designed with an
integrated butler matrix (BM) beamforming network (BFN) to execute the switched-beam …
integrated butler matrix (BM) beamforming network (BFN) to execute the switched-beam …
[PDF][PDF] A novel wideband beamforming antenna for 5G applications by eliminating the phase shifters and crossovers from the Butler matrix
In this study, a novel Switched Beam Antenna (SBA) system is proposed and experimentally
validated for C-band applications. The system is made up of a 4× 4 Butler matrix, whose …
validated for C-band applications. The system is made up of a 4× 4 Butler matrix, whose …
A Miniaturized Metamaterial-Based Dual-Band 4× 4 Butler Matrix With Enhanced Frequency Ratio for Sub-6 GHz 5G Applications
This paper introduces an innovative dual-band Butler matrix (BM) characterized by
compactness and an enhanced frequency ratio (K). The design employs meandered lines …
compactness and an enhanced frequency ratio (K). The design employs meandered lines …
Dual-circularly polarized 60 GHZ beam-steerable antenna array with 8× 8 butler matrix
Y Park, J Bang, J Choi - Applied Sciences, 2020 - mdpi.com
A beam-steerable dual-circularly polarized 60 GHz antenna array is proposed. A 1× 4 dual-
fed stacked patch antenna array is integrated with an 8× 8 Butler matrix. By utilizing the 8× 8 …
fed stacked patch antenna array is integrated with an 8× 8 Butler matrix. By utilizing the 8× 8 …
Towards engineered hydrochars: Application of artificial neural networks in the hydrothermal carbonization of sewage sludge
Sewage sludge hydrochars (SSHs), which are produced by hydrothermal carbonization
(HTC), offer a high calorific value to be applied as a biofuel. However, HTC is a complex …
(HTC), offer a high calorific value to be applied as a biofuel. However, HTC is a complex …
Synthesis of novel 8× 8 beam‐forming network for broadband multibeam antenna array
I Fanyaev, I Faniayeu - … Journal of RF and Microwave Computer …, 2022 - Wiley Online Library
Synthesis of a novel 8× 8 beam‐forming network (BFN) for broadband multi‐beam antenna
arrays in the X‐band has been proposed. The synthesized BFN has 6 less path crossings …
arrays in the X‐band has been proposed. The synthesized BFN has 6 less path crossings …