Future 5G-oriented system for urban rail transit: Opportunities and challenges

J Zhao, J Liu, L Yang, B Ai, S Ni - China Communications, 2021 - ieeexplore.ieee.org
As a development direction of urban rail transit system, the train autonomous
circumambulate system (TACS) can operate in a safer, more efficient, and more economical …

Sparsity-aware channel estimation for mmWave massive MIMO: A deep CNN-based approach

S Liu, X Huang - China Communications, 2021 - ieeexplore.ieee.org
The deep convolutional neural network (CNN) is exploited in this work to conduct the
challenging channel estimation for mmWave massive multiple input multiple output (MIMO) …

Fully-decoupled radio access networks: A flexible downlink multi-connectivity and dynamic resource cooperation framework

K Yu, Q Yu, Z Tang, J Zhao, B Qian, Y Xu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
To enable flexible base stations (BS) association and dynamic resource management for
personalized user equipment (UE) download service provision in the next-generation …

[HTML][HTML] Channel estimation for high-speed railway wireless communications: A generative adversarial network approach

Q Zhang, H Dong, J Zhao - Electronics, 2023 - mdpi.com
In high-speed railways, the wireless channel and network topology change rapidly due to
the high-speed movement of trains and the constant change of the location of …

Data aided channel estimation for MIMO-OFDM wireless systems using reliable carriers

I Khan, M Cheffena, MM Hasan - IEEE Access, 2023 - ieeexplore.ieee.org
Wireless channel estimation is one of the challenging problems in multiple input multiple
output orthogonal frequency division multiplexing (MIMO-OFDM) wireless systems. The …

基于图信号处理的OFDM 系统导频设计和信道估计方法

何彬, 李国兵, 陈源, 张国梅 - 物联网学报, 2022 - infocomm-journal.com
正交频分复用(OFDM, orthogonal frequency division multiplexing) 是物联网的物理层关键技术
之一, 导频设计和信道估计是OFDM 系统的关键问题. 针对物联网通信场景复杂多样导致固定导 …

Performance trade-off for integrated communication and data-assisted positioning in MIMO-OFDM system

L Han, R Liu, Z Wang, Q Liu, Q Zhu… - China …, 2022 - ieeexplore.ieee.org
Communication and positioning, the two pillars of mobile communication systems, are
currently being integrated together. The development of communication technologies is the …

Coverage analysis for cell-free massive MIMO high-speed railway communication systems

SH Lin, Y Xu, JY Wang - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
In traditional cellular framework, the frequent handoff is one of the main factors that affect the
performance of high-speed railway (HSR) communication systems. The cell-free massive …

An Efficient Maximum Subcarrier Power Detection Scheme for OFDM-IM Systems

Y Lian, M Ying, S Wang, Y Wang - 2023 International Wireless …, 2023 - ieeexplore.ieee.org
As a promising technology, Orthogonal Frequency Division Multiplexing-Index Modulation
(OFDM-IM) has received significant attention in wireless communication systems. However …

A Spatial Delay Domain-Based Prony Channel Prediction Method for Massive MIMO LEO Communications

Z Liu, D Zhang, J Guo, TA Tsiftsis, Y Su… - IEEE Systems …, 2022 - ieeexplore.ieee.org
Massive multiple-input–multiple-output (massive MIMO)-based low Earth orbit (LEO)
intersatellite link communications is a promising research topic for the fifth generation (5G) …