Results 11 to 20 of about 4,393 (215)
Partially-Connected Hybrid Beamforming for Multi-User Massive MIMO Systems [PDF]
IEEE Access, 2020 Due to the high power consumption and hardware cost of radio frequency (RF) chains, the conventional fully-digital beamforming will be impractical for large-scale antenna systems (LSAS).
Guangda Zang +4 more
doaj +2 more sources
Analog Beamformer Design for Interference Exploitation Based Hybrid Beamforming [PDF]
2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM), 2018 Hybrid analog-digital beamforming has been shown to reduce hardware cost and power consumption in massive MIMO systems, at the expense of increased radiated power for given performance targets. To alleviate the above shortfall, in this paper we exploit the concept of constructive interference (CI) that has been shown to offer significant radiated power
Ganapati Hegde +2 more
openaire +4 more sources
Electromagnetic Hybrid Beamforming for Holographic Communications [PDF]
CoRR14 ...
Ran Ji +8 more
openaire +3 more sources
Radio-frequency chain selection for energy and spectral efficiency maximization in hybrid beamforming under hardware imperfections. [PDF]
Proc Math Phys Eng Sci, 2020 This dataset contains MATLAB functions to plot the main results for the following paper: Evangelos Vlachos, John Thompson, Aryan Kaushik and Christos Masouros,"Radio frequency-chain selection for energy and spectral efficiency maximization in hybrid ...
Vlachos E +3 more
europepmc +2 more sources
Efficient Neural Network DPD architecture for Hybrid Beamforming mMIMO [PDF]
, 2023 This paper presents several different Neural Network based DPD architectures for hybrid beamforming (HBF) mMIMO applications. They are formulated, tested and compared based on their ability to compensate nonlinear distortion of power amplifiers in a ...
Budimir, D.
core +1 more source
AI-Empowered Hybrid MIMO Beamforming
CoRR, 2023 Hybrid multiple-input multiple-output (MIMO) is an attractive technology for realizing extreme massive MIMO systems envisioned for future wireless communications in a scalable and power-efficient manner. However, the fact that hybrid MIMO systems implement part of their beamforming in analog and part in digital makes the optimization of their ...
Nir Shlezinger +5 more
openaire +2 more sources
IEEE Access, 2021 In this paper, we consider the decode-and-forward (DF) relay system in millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems, and propose a hybrid beamforming design method for the mixed structure, which contains the fully ...
Meng Han +5 more
doaj +1 more source
Hybrid Precoding Technique With Iterative Algorithm for MIMO-OFDM System
IEEE Access, 2020 This paper proposes a hybrid precoding technique based on multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system to improve bit error rate (BER) performance in hybrid beamforming system.
Seulgi Lee +4 more
doaj +1 more source
Joint Phase-Time Arrays: A Paradigm for Frequency-Dependent Analog Beamforming in 6G
IEEE Access, 2022 Hybrid beamforming is an attractive solution to build cost-effective and energy-efficient transceivers for millimeter-wave and terahertz systems. However, conventional hybrid beamforming techniques rely on analog components that generate a frequency flat
Vishnu V. Ratnam +5 more
doaj +1 more source
Hybrid beamforming and steering with reconfigurable arrays [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2010 Reconfigurable arrays offer an advantage over traditional ultrasound arrays because of their flexibility in channel selection. To improve ultrasound beamforming and coverage through beam steering, we propose a hybrid beamforming technique to elongate the depth of focus of transmit beams and a method of element selection that improves steering ...
Fong Ming, Hooi +3 more
openaire +2 more sources