activity
20192023
most citedDeep Learning based Channel Estimation for Massive MIMO with Hybrid Transceivers

29 citations · 50 across the 12 of their papers we have counts for

collaborators

12 papers

cs.IT2023

Deep Unfolding-Based Channel Estimation for Wideband TeraHertz Near-Field Massive MIMO Systems

Jiabao Gao, Xiaoming Cheng, Geoffrey Ye Li

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems t…

cs.IT2023

AMP-SBL Unfolding for Wideband MmWave Massive MIMO Channel Estimation

Jiabao Gao, Caijun Zhong, Geoffrey Ye Li

In wideband millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, channel estimation is challenging due to the hybrid analog-digital architecture, which c…

cs.IT2022

Spatially Sparse Precoding in Wideband Hybrid Terahertz Massive MIMO Systems

Jiabao Gao, Caijun Zhong, Geoffrey Ye Li +2

In terahertz (THz) massive multiple-input multiple-output (MIMO) systems, the combination of huge bandwidth and massive antennas results in severe beam split, thus making the conve…

cs.IT2022

Learn to Adapt to New Environment from Past Experience and Few Pilot

Ouya Wang, Jiabao Gao, Geoffrey Ye Li

In recent years, deep learning has been widely applied in communications and achieved remarkable performance improvement. Most of the existing works are based on data-driven deep l…

cs.IT2022

A Deep Learning-Based Framework for Low Complexity Multi-User MIMO Precoding Design

Maojun Zhang, Jiabao Gao, Caijun Zhong

Using precoding to suppress multi-user interference is a well-known technique to improve spectra efficiency in multiuser multiple-input multiple-output (MU-MIMO) systems, and the p…

cs.IT2022★ 1 cited

Deep Learning-based Channel Estimation for Wideband Hybrid MmWave Massive MIMO

Jiabao Gao, Caijun Zhong, Geoffrey Ye Li +2

Hybrid analog-digital (HAD) architecture is widely adopted in practical millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems to reduce hardware cost and e…

cs.IT2022

Online Deep Neural Network for Optimization in Wireless Communications

Jiabao Gao, Caijun Zhong, Geoffrey Ye Li +1

Recently, deep neural network (DNN) has been widely adopted in the design of intelligent communication systems thanks to its strong learning ability and low testing complexity. How…

cs.IT2022★ 29 cited

Deep Learning based Channel Estimation for Massive MIMO with Hybrid Transceivers

Jiabao Gao, Caijun Zhong, Geoffrey Ye Li +1

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In…

cs.IT2021★ 6 cited

An Attention-Aided Deep Learning Framework for Massive MIMO Channel Estimation

Jiabao Gao, Mu Hu, Caijun Zhong +2

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL)…

cs.IT2020

Deep Reinforcement Learning for Joint Beamwidth and Power Optimization in mmWave Systems

Jiabao Gao, Caijun Zhong, Xiaoming Chen +2

This paper studies the joint beamwidth and transmit power optimization problem in millimeter wave communication systems. A deep reinforcement learning based approach is proposed. S…

cs.IT2020★ 14 cited

Unsupervised Learning for Passive Beamforming

Jiabao Gao, Caijun Zhong, Xiaoming Chen +2

Reconfigurable intelligent surface (RIS) has recently emerged as a promising candidate to improve the energy and spectral efficiency of wireless communication systems. However, the…

cs.IT2019

Deep Learning for Spectrum Sensing

Jiabao Gao, Xuemei Yi, Caijun Zhong +2

In cognitive radio systems, the ability to accurately detect primary user's signal is essential to secondary user in order to utilize idle licensed spectrum. Conventional energy de…