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 …

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 …

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 …

Approximate message passing for downlink sparse channel estimation in FDD massive MIMO

N Dandanov, K Tonchev, V Poulkov… - … and Signal Processing …, 2019 - ieeexplore.ieee.org
An important challenge in massive multiple-input multiple-output (MIMO) systems operating
with frequency-division duplexing (FDD) is to accurately estimate the channel response with …

Block compressive channel estimation and feedback for FDD massive MIMO

Z Gao, L Dai, W Dai, Z Wang - 2015 IEEE Conference on …, 2015 - ieeexplore.ieee.org
Channel state information (CSI) at the base station (BS) is required to fully exploit the
advantages of massive MIMO. However, due to massive BS antennas, the estimation and …

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 …

Low-overhead cyclic reference signals for channel estimation in FDD massive MIMO

R Apelfröjd, W Zirwas, M Sternad - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) transmission and coordinated multipoint
transmission are candidate technologies for increasing data throughput in evolving 5G …

Information-theoretic pilot design for downlink channel estimation in FDD massive MIMO systems

Y Gu, YD Zhang - IEEE Transactions on Signal Processing, 2019 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) is one of the most promising techniques for
next generation wireless communications due to its superior capability to provide high …

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 …

Channel estimation for FDD massive MIMO system by exploiting the sparse structures in angular domain

Y Wang, X Xia, K Xu, W Xie, M Wang - EURASIP Journal on Wireless …, 2019 - Springer
Massive multiple-input multiple-output (MIMO) is a powerful supporting technology to meet
the energy/spectral efficiency and reliability requirement of Internet of Things (IoT) network …