Multicell multiuser massive MIMO transmission with downlink training and pilot contamination precoding

J Zuo, J Zhang, C Yuen, W Jiang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we analyze the spectral efficiency of multicell massive multiple-input-multiple-
output (MIMO) systems with downlink training and a new pilot contamination precoding …

On performance analysis of LS and MMSE for channel estimation in VLC systems

YS Hussein, MY Alias… - 2016 IEEE 12th …, 2016 - ieeexplore.ieee.org
Channel estimation is a key feature for wireless optical communication systems. This paper
presents an evaluation of channel estimation techniques for indoor visible light …

Performance comparison of massive MIMO and conventional MIMO using channel parameters

M Pappa, C Ramesh, MN Kumar - … international conference on …, 2017 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) technology is becoming mature in wireless
communication systems. It has led to third and fourth generation wireless systems, which …

Comparative study of channel estimators for massive MIMO 5G NR systems

DF Carrera, C Vargas‐Rosales… - IET …, 2020 - Wiley Online Library
In this work, a comparative analysis is performed to study the bit error rate and error vector
magnitude achieved with the least‐squares (LS), the minimum mean squared error (MSE) …

Channel estimation using LS and MMSE channel estimation techniques for MIMO-OFDM systems

AS Ahmed, MM Hamdi, MS Abood… - … congress on human …, 2022 - ieeexplore.ieee.org
The conventional strategies utilized for channel assessment don't exploit the multipath lack.
In MIMO-OFDM frameworks, channel assessment is critical for computing framework …

Data aided channel estimation for MIMO-OFDM wireless systems using reliable carriers

I Khan, M Cheffena, MM Hasan - IEEE Access, 2023 - ieeexplore.ieee.org
Wireless channel estimation is one of the challenging problems in multiple input multiple
output orthogonal frequency division multiplexing (MIMO-OFDM) wireless systems. The …

Novel multilayer extreme learning machine as a massive MIMO receiver for millimeter wave communications

DF Carrera, C Vargas-Rosales, D Zabala-Blanco… - IEEE …, 2022 - ieeexplore.ieee.org
Wireless communication systems working in millimeter-wave (mmWave) frequency bands
offer higher bandwidths than traditional radio frequency schemes. This technology allows …

Estimation of room shape using radio propagation channel analysis

JY Lee, Y Kim, S Lee, W Cho, SC Kim - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
This study proposes a new method to estimate room shape using radio waves. Unlike
existing heuristic methods, the proposed method uses accumulated radio channel data and …

Performance Improvement Using Spline LS and MMSE DFT Channel Estimation Technique in MIMO OFDM Using Block-Type Pilot Structure

N Sharma, V Nandal, D Nandal - Data Analytics and Management …, 2021 - Springer
Multiple input multiple output (MIMO) is a very important and prominent key technology in
wireless system which is extensively used in 4G systems. However, accurate channel …

Evaluating Performance: A Study of Encrypted vs. Unencoded Signals in SISO-OFDM with LS and MMSE Estimations

MA Imran, YJ Harbi - BIO Web of Conferences, 2024 - bio-conferences.org
The continuous progress in digital communication has played a crucial role in meeting the
increasing need for faster data rates. Orthogonal Frequency Division Multiplexing (OFDM), a …