RIS-aided mmWave MIMO channel estimation using deep learning and compressive sensing

A Abdallah, A Celik, MM Mansour… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) assisted wireless systems require accurate channel
state information (CSI) to control wireless channels and improve both the bandwidth and …

[HTML][HTML] Deep learning peephole LSTM neural network-based channel state estimators for OFDM 5G and beyond networks

MH Essai Ali, AR Abdellah, HA Atallah, GS Ahmed… - Mathematics, 2023 - mdpi.com
This study uses deep learning (DL) techniques for pilot-based channel estimation in
orthogonal frequency division multiplexing (OFDM). Conventional channel estimators in pilot …

Superimposed Pilot-based Channel Estimation for RIS-assisted IoT Systems Using Lightweight Network

C Qing, W Hu, L Wang, G Ling, Z Liu, X Cai… - Wireless Personal …, 2024 - Springer
Channel estimation (CE) in internet of things (IoT) systems faces challenges of low spectral
efficiency, high energy consumption, and blocked propagation paths. To address these …

A Variational Bayesian Approach for Channel Estimation in Pilot-Contaminated User-Centric C-RAN System

S Bera, VB Vinnakota, D Sen - IEEE Access, 2024 - ieeexplore.ieee.org
In fifth-generation and beyond (5GB) wireless communication systems, Cloud Radio Access
Network (C-RAN) is recognized as a vital technology. In this endeavor, User-Centric C-RAN …

Identification of widely linear systems using data-dependent superimposed training

IA Arriaga-Trejo, AG Orozco-Lugo… - IEEE Signal …, 2022 - ieeexplore.ieee.org
In this correspondence, we address the identification of widely linear (WL) systems using
data-dependent superimposed training (DDST). The analysis shows that the nonlinear …

Reduced Complexity Learning-Assisted Joint Channel Estimation and Detection of Compressed Sensing-Aided Multi-Dimensional Index Modulation

X Feng, ELH Mohammed, C Xu… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
Index Modulation (IM) is a flexible transmission scheme capable of striking a flexible
performance, throughput, diversity and complexity trade-off. The concept of Multi …

Cascaded ELM-based joint frame synchronization and channel estimation over Rician fading channel with hardware imperfections

Q Chaojin, R Chuangui, Y Na, T Shuhai… - China …, 2024 - ieeexplore.ieee.org
Due to the interdependency of frame synchronization (FS) and channel estimation (CE), joint
FS and CE (JFSCE) schemes are proposed to enhance their functionalities and therefore …

BRD_ESRNet and SRS‐Based Channel Estimation

R Yang, G Yao, Z Hu - Journal of Electrical and Computer …, 2023 - Wiley Online Library
In wireless communication, the channel function estimated commonly has errors due to the
influence of noise, so traditional channel estimation methods cannot accurately estimate the …

Adversarial Score-Based Generative Models for MMSE-Achieving AmBC Channel Estimation

F Rezaei, SM Marvasti-Zadeh… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
This letter presents a pioneering method that employs deep learning within a probabilistic
framework for the joint estimation of both direct and cascaded channels in an ambient …

[PDF][PDF] 差分编码与神经网络辅助的OFDM 系统信道估计方法

卿朝进, 凌国伟, 王莉, 胡文权, 陈金良 - 电子学报, 2023 - ejournal.org.cn
正交频分复用系统中, 用于信道估计的导引占用宝贵的传输资源且消耗用户设备发射机能量.
为应对这一困境, 提出差分检测与神经网络相结合的信道估计方法. 在发射端 …