Advanced Hybrid Beamforming Technique in MU-MIMO Systems
This paper proposes a high performance wireless commmunication technology in MU-MIMO systems. The millimeter wave (mmWave) communication technology was considered for the future wireless communication systems such as the fifth-generation new radio (5G NR)
Seong-Joon Shim +5 more
doaj +1 more source
Robust Beamforming for Ultrasonic Imaging using Wavelet-based Thresholding and Coherence Weighting [PDF]
The delay-and-sum (DS) beamforming and delay-weight-and-sum (DWS) beamforming are primary methods in ultrasonic imaging with phased arrays. Total focusing method (TFM) and Minimum Variance (MV) based adaptive beamforming are well-known methods within DS ...
Mozhgan Ehsani +2 more
doaj +1 more source
A novel joint transmit beamforming and receive time switching strategy for MISO SWIPT system
In multi-antenna simultaneous wireless information and power transfer (SWIPT) system, beamforming strategy has been widely analyzed due to the increasing signal strength.
Lin Ma +4 more
doaj +1 more source
Near-Field Beamforming Algorithms for UAVs
This study presents three distributed beamforming algorithms to address the challenges of positioning and signal phase errors in unmanned aerial vehicle (UAV) arrays that hinder effective beamforming.
Yinan Zhang +5 more
doaj +1 more source
Open-Loop Beamforming Technique for MIMO System and Its Practical Realization
The concept of close-loop beamforming for MIMO system was well known proposed the singular value decomposition on channel matrix. This technique can improve the capacity performance, but the cost of feedback channel and the complexity processing discard
Peerapong Uthansakul +2 more
doaj +1 more source
A Genetic Algorithm-based Beamforming Approach for Delay-constrained Networks [PDF]
In this paper, we study the performance of initial access beamforming schemes in the cases with large but finite number of transmit antennas and users. Particularly, we develop an efficient beamforming scheme using genetic algorithms.
Guo, Hao +2 more
core +2 more sources
New perspective on single-radiator multiple-port antennas for adaptive beamforming applications. [PDF]
One of the most challenging problems in recent antenna engineering fields is to achieve highly reliable beamforming capabilities in an extremely restricted space of small handheld devices.
Gangil Byun, Hosung Choo
doaj +1 more source
Hybrid Beamforming via the Kronecker Decomposition for the Millimeter-Wave Massive MIMO Systems [PDF]
Despite its promising performance gain, the realization of mmWave massive MIMO still faces several practical challenges. In particular, implementing massive MIMO in the digital domain requires hundreds of RF chains matching the number of antennas ...
Huang, Kaibin +5 more
core +3 more sources
Context Information Based Initial Cell Search for Millimeter Wave 5G Cellular Networks
Millimeter wave (mmWave) communication is envisioned as a cornerstone to fulfill the data rate requirements for fifth generation (5G) cellular networks.
Abbas, Waqas Bin, Zorzi, Michele
core +1 more source
An applicable 5.8 GHz wireless power transmission system with rough beamforming to Project Loon
In recent, Google proposed the Project Loon being developed with the mission of providing internet access to rural and remote areas using high-altitude balloons.
Chang-Jun Ahn
doaj +1 more source

