Federated online deep learning for CSIT and CSIR estimation of FDD multi-user massive MIMO systems

X Zheng, V Lau - IEEE Transactions on Signal Processing, 2022 - ieeexplore.ieee.org
In this paper, we propose a federated online training framework for deep neural network
(DNN)-based channel estimation (CE) in frequency-division duplexing (FDD) multi-user …

[PDF][PDF] Massive MIMO in real propagation environments

X Gao, O Edfors, F Rusek… - IEEE Trans. Wireless …, 2014 - researchgate.net
Massive MIMO, also known as very-large MIMO or large-scale antenna systems, is a new
technique that potentially can offer large network capacities in multi-user scenarios. With a …

超大规模MIMO 信道测量建模研究综述.

丁瑞, 钱晓涵, 刘道华, 王珏, 高锐锋… - Telecommunication …, 2022 - search.ebscohost.com
超大规模多天线技术(Extra-large Scale Massive Multiple-Input Multiple-Output, XL-MIMO),
是5G 大规模MIMO 进一步向更高空间维度的扩展和延伸. 随天线数目大幅增加, XL-MIMO …

A 3-D nonstationary wideband V2V GBSM with UPAs for massive MIMO wireless communication systems

L Bai, Z Huang, H Du, X Cheng - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
This article proposes a novel 3-D nonstationary wideband vehicle-to-vehicle (V2V) geometry-
based stochastic model (GBSM) with uniform planar antenna arrays (UPAs) for massive …

A cluster-based channel model for massive MIMO communications in indoor hotspot scenarios

J Li, B Ai, R He, M Yang, Z Zhong… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Characterization and modeling of massive multiple-input multiple-output (MIMO) channel
has been one of the research hotspots in the field of wireless communications. One …

When does asymptotic orthogonality exist for very large arrays?

J Chen - 2013 IEEE Global Communications Conference …, 2013 - ieeexplore.ieee.org
In this paper, we address the question whether asymptotic orthogonality exists for very large
arrays in any geometrical configuration under all propagation conditions. We show that …

Wireless power transfer-based multi-pair two-way relaying with massive antennas

X Wang, J Liu, C Zhai - IEEE Transactions on Wireless …, 2017 - ieeexplore.ieee.org
In this paper, we study a multi-pair two-way relay network consisting of two groups of user
equipments (TIEs), who want to exchange information through a common relay equipped …

A 3.8 Gb/s large-scale MIMO detector for 3GPP LTE-Advanced

B Yin, M Wu, G Wang, C Dick… - … , Speech and Signal …, 2014 - ieeexplore.ieee.org
This paper proposes-to the best of our knowledge-the first ASIC design for high-throughput
data detection in single carrier frequency division multiple access (SC-FDMA)-based large …

Multiuser precoding scheme and achievable rate analysis for massive MIMO system

W Tan, W Huang, X Yang, Z Shi, W Liu… - EURASIP Journal on …, 2018 - Springer
We analyze the downlink multiuser precoding of massive multiple input multiple output
(MIMO) system, where the base station (BS) has ideal channel state information (CSI) and …

On 3D cluster-based channel modeling for large-scale array communications

J Li, B Ai, R He, M Yang, Z Zhong… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
With the rapid development of wireless communications, the understanding of three-
dimensional (3D) propagation channels becomes essential for design and testing of some …