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 …

Structured compressive sensing-based spatio-temporal joint channel estimation for FDD massive MIMO

Z Gao, L Dai, W Dai, B Shim… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Massive MIMO is a promising technique for future 5G communications due to its high
spectrum and energy efficiency. To realize its potential performance gain, accurate channel …

Spatially common sparsity based adaptive channel estimation and feedback for FDD massive MIMO

Z Gao, L Dai, Z Wang, S Chen - IEEE transactions on signal …, 2015 - ieeexplore.ieee.org
This paper proposes a spatially common sparsity based adaptive channel estimation and
feedback scheme for frequency division duplex based massive multi-input multi-output …

Differential CSIT acquisition based on compressive sensing for FDD massive MIMO systems

W Shen, B Wang, J Feng, C Gao… - 2015 IEEE 81st Vehicular …, 2015 - ieeexplore.ieee.org
To fully exploit advantages of massive MIMO, channel state information at the transmitter
(CSIT) is essential to obtain the system performance gains. By far, both channel estimation …

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 …

Compressive sensing based channel estimation for massive MIMO communication systems

A Waseem, A Naveed, S Ali, M Arshad… - Wireless …, 2019 - Wiley Online Library
Massive multiple‐input multiple‐output (MIMO) is believed to be a key technology to get
1000x data rates in wireless communication systems. Massive MIMO occupies a large …

Massive MIMO channel estimation based on block iterative support detection

W Shen, L Dai, Y Shi, Z Gao… - 2016 IEEE wireless …, 2016 - ieeexplore.ieee.org
Massive MIMO has become a promising key technology for future 5G wireless
communications to increase the channel capacity and link reliability. However, with greatly …

Joint channel estimation algorithm based on structured compressed sensing for FDD multi-user massive MIMO

R Zhang, H Zhao, S Jia, C Shan - 2016 IEEE 13th International …, 2016 - ieeexplore.ieee.org
Accurate channel state information (CSI) at transmitter is of importance to sufficiently exploit
the merits of massive multiple input multiple output (MIMO). Because of the large amount of …

Modified CS-based downlink channel estimation with temporal correlation in FDD massive MIMO systems

X Bi, J Zhao, G Wang, Y Lu, L Zhou… - 2018 Wireless …, 2018 - ieeexplore.ieee.org
In order to fully utilize the spatial multiplexing gains and array gains of massive multiple-
input multiple-output (MIMO), it is essential to obtain accurate channel state information at …

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 …