Time-varying channel estimation for millimeter wave multiuser MIMO systems

Q Qin, L Gui, P Cheng, B Gong - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Channel estimation for downlink millimeter wave (mmWave) multiuser multiple-input-
multiple-output (MU-MIMO) communications over a time-varying channel is demandingly …

Design and optimization on training sequence for mmWave communications: A new approach for sparse channel estimation in massive MIMO

X Ma, F Yang, S Liu, J Song… - IEEE Journal on Selected …, 2017 - ieeexplore.ieee.org
In the next generation of cellular networks, millimeter wave (mmWave) communications will
play an important role. With the utilization of mmWave communications, the massive multiple …

An improved pilot pattern design-based channel estimation in wireless communication using distribution ant colony optimization

S Dhanasekaran, S Ramalingam, PV Karthick… - … Modelling Practice and …, 2023 - Elsevier
Abstract Multiple-Input Multiple-Output (MIMO) communication System-Orthogonal
Frequency Division Multiplexing (OFDM) approach can produce reliable transmission of …

Sparse channel estimation for MIMO-OFDM systems in high-mobility situations

X Ma, F Yang, S Liu, J Song… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A new approach of channel estimation for multiantenna systems is put forward in this paper,
which can be adopted in high-mobility situations such as high speed trains. The channel …

Sparse channel estimation based on compressed sensing for massive MIMO systems

C Qi, Y Huang, S Jin, L Wu - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
The sparse channel estimation which sufficiently exploits the inherent sparsity of wireless
channels, is capable of improving the channel estimation performance with less pilot …

Channel estimation for delay alignment modulation

D Ding, Y Zeng, D Wang - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
Delay alignment modulation (DAM) is a promising communication technology to mitigate
inter-symbol interference (ISI) without relying on sophisticated channel equalization or multi …

An enhanced channel estimation method for millimeter wave systems with massive antenna arrays

Y Peng, Y Li, P Wang - IEEE Communications Letters, 2015 - ieeexplore.ieee.org
In this letter, we focus on the efficient channel estimation problem for millimeter wave (MMW)
systems with massive antenna arrays and RF constraints, aiming at achieving a fast and …

Beam-blocked channel estimation for FDD massive MIMO with compressed feedback

W Huang, Y Huang, W Xu, L Yang - IEEE Access, 2017 - ieeexplore.ieee.org
To fully exploit both multiplexing gain and array gain of massive multiple-input-
multipleoutput (MIMO), the channel state information must be obtained accurately at …

Downlink pilot reduction for massive MIMO systems via compressed sensing

JW Choi, B Shim, SH Chang - IEEE Communications Letters, 2015 - ieeexplore.ieee.org
This letter addresses a problem of downlink pilot allocation for massive multiple-input
multiple-output (MIMO) systems. When a massive MIMO is employed in frequency division …

Uplink channel estimation for massive MIMO systems exploring joint channel sparsity

C Qi, L Wu - Electronics Letters, 2014 - Wiley Online Library
The joint sparsity of uplink channels in massive multi‐input–multi‐output (MIMO) systems is
explored and a block sparse model is proposed for joint channel estimation. The block …