Pilot-assisted time-varying channel estimation for OFDM systems

Z Tang, RC Cannizzaro, G Leus… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
In this paper, we deal with channel estimation for orthogonal frequency-division multiplexing
(OFDM) systems. The channels are assumed to be time-varying (TV) and approximated by a …

A low complexity learning-based channel estimation for OFDM systems with online training

K Mei, J Liu, X Zhang, K Cao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we devise a highly efficient machine learning-based channel estimation for
orthogonal frequency division multiplexing (OFDM) systems, in which the training of the …

Adaptive OFDM systems with imperfect channel state information

S Ye, RS Blum, LJ Cimini - IEEE Transactions on Wireless …, 2006 - ieeexplore.ieee.org
Adaptive modulation has been shown to have significant benefits for high-speed wireless
data transmission when orthogonal frequency division multiplexing (OFDM) is employed …

Nondata-aided joint channel estimation and equalization for OFDM systems in very rapidly varying mobile channels

H Senol, E Panayirci, HV Poor - IEEE transactions on signal …, 2012 - ieeexplore.ieee.org
This paper is concerned with the challenging and timely problem of joint channel estimation
and equalization for orthogonal frequency division multiplexing (OFDM) systems in the …

Efficient non-pilot-aided channel length estimation for digital broadcasting receivers

X Wang, HC Wu, SY Chang, Y Wu… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Channel estimation and equalization techniques are crucial for the ubiquitous broadcasting
systems. Conventional receivers for most broadcasting or wireless standards preset the …

A maximum likelihood fine timing estimation for wireless OFDM systems

H Zhou, YF Huang - IEEE Transactions on Broadcasting, 2009 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing (OFDM) systems are more sensitive to timing
synchronization than single carrier systems. This paper presents a fine timing …

Channel Estimation for Underwater Acoustic Communications in Impulsive Noise Environments: A Sparse, Robust, and Efficient Alternating Direction Method of …

T Tian, K Yang, FY Wu, Y Zhang - Remote Sensing, 2024 - mdpi.com
Channel estimation in Underwater Acoustic Communication (UAC) faces significant
challenges due to the non-Gaussian, impulsive noise in ocean environments and the …

LMMSE channel estimation for OFDM systems with channel correlation function selection

K Mei, J Liu, X Liu, J **ong, X Zhang… - IET …, 2021 - Wiley Online Library
In the linear minimum mean square error (LMMSE) estimation for orthogonal frequency
division multiplexing (OFDM) systems, the channel correlation function (CCF) is required …

Channel estimation using optimized pilot placement in OFDM system

GB Jency, SJ Gladwin - 2014 International Conference on …, 2014 - ieeexplore.ieee.org
Orthogonal Frequency Division Multiplexing has the advantage of transmitting large amount
of data by splitting it into several parallel data streams that are transmitted simultaneously at …

Sparse/dense channel estimation with non‐zero tap detection for 60‐GHz beam training

B Gao, Z **ao, C Zhang, D **, L Zeng - IET Communications, 2014 - Wiley Online Library
Estimation of the multipath channel in 60‐GHz communications is challenging, because the
channel may be sparse or dense during beam training. Specifically, because of the variation …