[HTML][HTML] Task assignment algorithms for unmanned aerial vehicle networks: A comprehensive survey
Unmanned aerial vehicles (UAVs) have significant prospects in a plethora of public and civic
spheres. Recently, UAVs have focused primarily on applications where human presence is …
spheres. Recently, UAVs have focused primarily on applications where human presence is …
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 …
A 28-GHz switched-beam antenna with integrated Butler matrix and switch for 5G applications
S Lee, Y Lee, H Shin - Sensors, 2021 - mdpi.com
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 …
generation (5G) wireless applications. It integrates a 1× 4 microstrip antenna, a 4× 4 Butler …
High power handling GaAs SP4T Switch-based Beam-Switching planar antenna module for 5G New-Radio FR2 applications
In this paper, a beam-switching antenna module for 5G New-Radio (NR) frequency range 2
(FR2) applications is proposed. The module is constructed with a single-pole-quadruple …
(FR2) applications is proposed. The module is constructed with a single-pole-quadruple …
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 …
[HTML][HTML] Miniaturized 4× 4 switched-beam Butler Matrix with bandwidth enhancement for 5G communication system
NSM Suhaimi, NM Mahyuddin, W Ismail… - Alexandria Engineering …, 2022 - Elsevier
Abstract A 4× 4 Butler Matrix (BM) without phase shifter is proposed to provide bandwidth
enhancement and size reduction by removing a conventional 0 dB/90° crossover, two 0° …
enhancement and size reduction by removing a conventional 0 dB/90° crossover, two 0° …
Insertion loss and phase compensation using a circular slot via-hole in a compact 5G millimeter wave (mmWave) Butler matrix at 28 GHz
Fifth generation (5G) technology aims to provide high peak data rates, increased bandwidth,
and supports a 1 millisecond roundtrip latency at millimeter wave (mmWave). However …
and supports a 1 millisecond roundtrip latency at millimeter wave (mmWave). However …
Widebeam Coverage Antenna Solution for Low-Complexity mmWave Indoor IoT Network
JW Kim, WH Lim, HL Lee - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
This article proposes a widebeam coverage antenna solution for a low-complexity millimeter-
wave (mmWave) indoor Internet of Things (IoT) network. The proposed switched …
wave (mmWave) indoor Internet of Things (IoT) network. The proposed switched …
Direction of Arrival (DOA) Estimation using Switched Beam Antenna with Butler Matrix at mm-Wave Frequency
This paper presents a butler matrix-based microstrip hexagonal patch antenna with a
direction of arrival (DOA) estimation approach for mm-wave application. The hexagonal …
direction of arrival (DOA) estimation approach for mm-wave application. The hexagonal …
Multi-band array antenna sharing a common aperture with heterogeneous array elements
S Wang, H Kim, D Kim, H Choo - Applied Sciences, 2022 - mdpi.com
This paper proposes a multi-band array antenna that shares a common aperture with
heterogenous array elements. The multi-band array antenna includes one printed dipole …
heterogenous array elements. The multi-band array antenna includes one printed dipole …