Review paper on hardware of reconfigurable intelligent surfaces

B Rana, SS Cho, IP Hong - IEEE Access, 2023 - ieeexplore.ieee.org
Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can
create a smart wireless environment. Hence it can enhance the capacity and coverage of the …

Electronically steerable antennas for future heterogeneous communication networks: Review and perspectives

T Chaloun, L Boccia, E Arnieri… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Satellite, fifth generation (5G), and sixth generation (6G) mobile communication systems
operating at micro-and millimeter wave frequencies are an essential pillar in advanced …

The role of millimeter-wave technologies in 5G/6G wireless communications

W Hong, ZH Jiang, C Yu, D Hou… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Ever since the deployment of the first-generation of mobile telecommunications, wireless
communication technology has evolved at a dramatically fast pace over the past four …

Broadband circularly polarized magnetoelectric dipole antenna and array for K-band and Ka-band satellite communications

J Li, Y Hu, L Xiang, W Kong… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A circularly polarized (CP) magnetoelectric dipole (ME-dipole) antenna with a wide
impedance bandwidth and 3 dB axial ratio (AR) bandwidth is proposed. The antenna is fed …

Recent developments of butler matrix from components design evolution to system integration for 5g beamforming applications: A survey

AB Shallah, F Zubir, MKA Rahim, HA Majid… - IEEE …, 2022 - ieeexplore.ieee.org
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 …

Over-the-air array calibration of mmWave phased array in beam-steering mode based on measured complex signals

Z Wang, F Zhang, H Gao, O Franek… - … on Antennas and …, 2021 - ieeexplore.ieee.org
Accurate knowledge of initial complex excitation coefficients for phased-array elements is
essential to ensure accurate array performance. In the literature, many array calibration …

Prospects for high-efficiency silicon and lll-V power amplifiers and transmitters in 100-300 GHz bands

JF Buckwalter, MJW Rodwell, K Ning… - 2021 IEEE Custom …, 2021 - ieeexplore.ieee.org
Frequency bands between 100-300GHz, known as upper millimeterwave (UmmW), offer an
opportunity to converge communication and sensing systems to support future high …

[PDF][PDF] A review on massive MIMO antennas for 5G communication systems on challenges and limitations

MSJ Singh, WSW Saleh, AT Abed… - Jurnal …, 2023 - journalarticle.ukm.my
High data rate transfers, high-definition streaming, high-speed internet, and the expanding
of the infrastructure such as the ultra-broadband communication systems in wireless …

Spectral efficiency improvement of 5G massive MIMO systems for high-altitude platform stations by using triangular lattice arrays

FA Dicandia, S Genovesi - Sensors, 2021 - mdpi.com
The beneficial effects of adopting a triangular lattice on phased arrays with regular and
periodic grids for high-altitude platform station (HAPS) systems are presented in the …

Near-field Uniform Linear Array Calibration Based on Extrapolation of Measured Complex Signals

Y Tang, Z Wang, X Chen, TH Loh, W Fan… - … on Antennas and …, 2023 - ieeexplore.ieee.org
Rigorous phased array calibration is critical to ensure accurate array radiation performance.
This communication presents a novel phased array calibration method based on …