Overview of precoding techniques for massive MIMO

MA Albreem, AH Al Habbash, AM Abu-Hudrouss… - IEEE …, 2021 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) is playing a crucial role in the fifth generation
(5G) and beyond 5G (B5G) communication systems. Unfortunately, the complexity of …

A combined power activation function based convergent factor-variable ZNN model for solving dynamic matrix inversion

J Zhu, J Jin, W Chen, J Gong - Mathematics and Computers in Simulation, 2022 - Elsevier
The application of zeroing neural network (ZNN) to solve multifarious time-varying problems,
especially the dynamic matrix inversion (DMI), is widely used in recent years. As the core …

Fast-converging and low-complexity linear massive MIMO detection with L-BFGS method

L Li, J Hu - IEEE Transactions on Vehicular Technology, 2022 - ieeexplore.ieee.org
In massive multiple-input multiple-output (MIMO) uplink, linear minimum mean square error
(MMSE) detection achieves near-optimal performance but suffers from undesirable …

An efficient linear detection scheme based on L-BFGS method for massive MIMO systems

L Li, J Hu - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
For massive multiple-input multiple-output (MIMO) systems, minimum mean square error
(MMSE) detection is near-optimal, but requires high-complexity matrix inversion. To avoid …

Iterative photonic processor for fast complex-valued matrix inversion

M Chen, Q Cheng, M Ayata, M Holm, R Penty - Photonics Research, 2022 - opg.optica.org
An N× N iterative photonic processor is proposed for the first time, we believe, for fast
computation of complex-valued matrix inversion, a fundamental but computationally …

Likelihood ascent search‐aided low complexity improved performance massive MIMO detection in perfect and imperfect channel state information

S Chakraborty, NB Sinha, M Mitra - International Journal of …, 2022 - Wiley Online Library
Massive multiple‐input multiple‐output (MIMO) systems improve spectral efficiency and link
reliability. Linear minimum mean‐squared error (MMSE) detectors can achieve optimal …

Power control and beamforming in passive phased array radars for low probability of interception

MK Rad, SMH Andargoli - Digital Signal Processing, 2021 - Elsevier
In this paper, we investigate low probability interception (LPI) in passive phased array
radars. Power control and transmit beamforming (BF) are used to minimize the received …

I/O-efficient iterative matrix inversion with photonic integrated circuits

M Chen, Y Wang, C Yao, A Wonfor, S Yang… - Nature …, 2024 - nature.com
Photonic integrated circuits have been extensively explored for optical processing with the
aim of breaking the speed and energy efficiency bottlenecks of digital electronics. However …

Robust symbol detection in large-scale overloaded NOMA systems

H Iimori, GTF De Abreu, T Hara… - IEEE Open Journal …, 2021 - ieeexplore.ieee.org
We a framework for the design of low-complexity and high-performance receivers for
multidimensional overloaded non-orthogonal multiple access (NOMA) systems. The …

Improved iterative inverse matrix approximation algorithm for zero forcing precoding in large antenna arrays

AE Zorkun, MA Salas-Natera… - IEEE Access, 2022 - ieeexplore.ieee.org
Precoding algorithms are used in massive multiple-input multiple-output (mMIMO)
communication systems to ensure effective signal transmission. The zero-forcing (ZF) is one …