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20172023
most citedSemi-Blind Cascaded Channel Estimation for Reconfigurable Intelligent Surface Aided Massive MIMO

9 citations · 27 across the 11 of their papers we have counts for

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8 papers · 1 filter

cs.IT2023

Differentially Private Over-the-Air Federated Learning Over MIMO Fading Channels

Hang Liu, Jia Yan, Ying-Jun Angela Zhang

Federated learning (FL) enables edge devices to collaboratively train machine learning models, with model communication replacing direct data uploading. While over-the-air model ag…

cs.IT2021

An Integrated Optimization-Learning Framework for Online Combinatorial Computation Offloading in MEC Networks

Xian Li, Liang Huang, Hui Wang +2

Mobile edge computing (MEC) is a promising paradigm to accommodate the increasingly prosperous delay-sensitive and computation-intensive applications in 5G systems. To achieve opti…

cs.IT20217 cited

Temporal-Structure-Assisted Gradient Aggregation for Over-the-Air Federated Edge Learning

Dian Fan, Xiaojun Yuan, Ying-Jun Angela Zhang

In this paper, we investigate over-the-air model aggregation in a federated edge learning (FEEL) system. We introduce a Markovian probability model to characterize the intrinsic te…

cs.IT20219 cited

Semi-Blind Cascaded Channel Estimation for Reconfigurable Intelligent Surface Aided Massive MIMO

Zhen-Qing He, Hang Liu, Xiaojun Yuan +2

Reconfigurable intelligent surface (RIS) is envisioned to be a promising green technology to reduce the energy consumption and improve the coverage and spectral efficiency of massi…

cs.IT2019

Matrix-Calibration-Based Cascaded Channel Estimation for Reconfigurable Intelligent Surface Assisted Multiuser MIMO

Hang Liu, Xiaojun Yuan, Ying-Jun Angela Zhang

Reconfigurable intelligent surface (RIS) is envisioned to be an essential component of the paradigm for beyond 5G networks as it can potentially provide similar or higher array gai…

cs.IT2018

CNN-Based Signal Detection for Banded Linear Systems

Congmin Fan, Xiaojun Yuan, Ying-Jun Angela Zhang

Banded linear systems arise in many communication scenarios, e.g., those involving inter-carrier interference and inter-symbol interference. Motivated by recent advances in deep le…