A low complexity burst channel estimation algorithm for FDD massive MIMO systems

N Nouri, MJ Azizipour - Physical Communication, 2022 - Elsevier
To fully attain array gains of massive multiple-input multiple-output (MIMO) and its energy
and spectral efficiency, deriving channel state information (CSI) at the base station (BS) side …

Channel estimation for FDD multi‐user massive MIMO systems: a greedy approach based on user clustering

MJ Azizipour, K Mohamed‐Pour - IET Signal Processing, 2019 - Wiley Online Library
Obtaining channel state information (CSI) at the transmitter side is essential to take
advantage of spectral and energy efficiency in massive multiple‐input multiple‐output …

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 …

A burst-form CSI estimation approach for FDD massive MIMO systems

MJ Azizipour, K Mohamed-Pour, AL Swindlehurst - Signal Processing, 2019 - Elsevier
Pilot and channel state information (CSI) feedback overhead in the downlink and uplink
paths are two major implementation challenges in frequency-division duplex (FDD) based …

Distributed compressed sensing aided sparse channel estimation in FDD massive MIMO system

R Zhang, H Zhao, J Zhang - IEEE Access, 2018 - ieeexplore.ieee.org
Massive multi-input multi-output (MIMO), which employs large number of antennas at the
base station, can significantly boost the spectral efficiency and multiplexing gain. To fully …

Joint channel estimation and feedback with low overhead for FDD massive MIMO systems

L Dai, Z Gao, Z Wang - 2015 IEEE/CIC International Conference …, 2015 - ieeexplore.ieee.org
Accurate channel state information (CSI) is essential to realize the potential advantages of
massive MIMO. However, the overhead required by conventional channel estimation and …

Sparse channel estimation for massive MIMO with 1-bit feedback per dimension

Z Zhou, X Chen, D Guo… - 2017 IEEE Wireless …, 2017 - ieeexplore.ieee.org
In massive multiple-input multiple-output (MIMO) systems, acquisition of the channel state
information at the transmitter side (CSIT) is crucial. In this paper, a practical CSIT estimation …

Compressed downlink channel acquisition based on burst support information in large‐scale MIMO systems

MJ Azizipour, K Mohamed‐Pour - Electronics Letters, 2019 - Wiley Online Library
In this Letter, a compressed channel estimation approach referred to as burst weighted‐
minimisation is proposed to alleviate the overwhelming pilot overhead in the downlink path …

Low-complexity compressed sensing downlink channel estimation for multi-antenna terminals in FDD massive MIMO systems

D Zhao, T Han - IEEE Access, 2020 - ieeexplore.ieee.org
In frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO)
systems, the overhead of downlink channel estimation is complex in terms of the pilot …

Compressive channel estimation exploiting block sparsity in multi-user massive MIMO systems

W Xu, T Shen, Y Tian, Y Wang… - 2017 IEEE Wireless …, 2017 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) is a promising technology that can enhance
the wireless communication capacity due to increased degrees of freedom. To fully utilize …