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20232026
most citedTowards Unified AI Models for MU-MIMO Communications: A Tensor Equivariance Framework

13 citations · 13 across the 15 of their papers we have counts for

collaborators

16 papers

cs.IT2026

Surrogate-Enhanced Fractional Programming for MIMO Device-to-Device Interference Networks

Zihan Jiao, Xinping Yi, Shi Jin +1

Interference management in multi-stream multi-input multi-output (MIMO) device-to-device (D2D) networks often leads to weighted sum-rate maximization with sum-log-determinant invol…

eess.SP2026

Rethinking Fractional Programming for Joint Uplink Scheduling and Power Control in Multicell Wireless Networks

Zihan Jiao, Xinping Yi, Shi Jin +1

This paper investigates the joint uplink scheduling and power control problem in a coordinated multicell wireless network, where at most one single-antenna user is allowed to acces…

cs.LG2026

PAC-Bayesian Adversarially Robust Generalization for Message Passing Graph Neural Networks: A Sensitivity Analysis

Ziling Liang, Xinping Yi, Qingsong Wen +1

Whilst the vulnerability of graph neural networks (GNNs) to adversarial attacks poses a critical threat to graph representation learning, the understanding of the robust generaliza…

eess.SP2026

Foundation Models for Wireless Communications: From PHY Intelligence to Network Autonomy

Le Liang, Jiajia Guo, Jun Zhang +6

6G networks will introduce unprecedented complexity, which calls for a paradigm shift in network optimization and management. Artificial intelligence (AI)-based solutions, especial…

stat.ML2026

Towards A Unified PAC-Bayesian Framework for Norm-based Generalization Bounds

Xinping Yi, Gaojie Jin, Xiaowei Huang +1

Understanding the generalization behavior of deep neural networks remains a fundamental challenge in modern statistical learning theory. Among existing approaches, PAC-Bayesian nor…

eess.SP2026

Learning to Unfold Fractional Programming for Multi-Cell MU-MIMO Beamforming with Graph Neural Networks

Zihan Jiao, Xinping Yi, Shi Jin

In the multi-cell multiuser multi-input multi-output (MU-MIMO) systems, fractional programming (FP) has demonstrated considerable effectiveness in optimizing beamforming vectors, y…

eess.SP2025

Unlocking Symbol-Level Precoding Efficiency Through Tensor Equivariant Neural Network

Jinshuo Zhang, Yafei Wang, Xinping Yi +4

Although symbol-level precoding (SLP) based on constructive interference (CI) exploitation offers performance gains, its high complexity remains a bottleneck. This paper addresses…

cs.IT2025

Revisiting Topological Interference Management: A Learning-to-Code on Graphs Perspective

Zhiwei Shan, Xinping Yi, Han Yu +2

The advance of topological interference management (TIM) has been one of the driving forces of recent developments in network information theory. However, state-of-the-art coding s…

eess.SP2024

A Tensor-Structured Approach to Dynamic Channel Prediction for Massive MIMO Systems with Temporal Non-Stationarity

Hongwei Hou, Yafei Wang, Yiming Zhu +4

In moderate- to high-mobility scenarios, CSI varies rapidly and becomes temporally non-stationary, leading to severe performance degradation in the massive MIMO transmissions. To a…

cs.IT2024

Joint User Scheduling and Precoding for RIS-Aided MU-MISO Systems: A MADRL Approach

Yangjing Wang, Xiao Li, Xinping Yi +1

With the increasing demand for spectrum efficiency and energy efficiency, reconfigurable intelligent surfaces (RISs) have attracted massive attention due to its low-cost and capabi…

cs.NI2024

GRLinQ: An Intelligent Spectrum Sharing Mechanism for Device-to-Device Communications with Graph Reinforcement Learning

Zhiwei Shan, Xinping Yi, Le Liang +2

Device-to-device (D2D) spectrum sharing in wireless communications is a challenging non-convex combinatorial optimization problem, involving entangled link scheduling and power con…

cs.LG2024

Continuous Geometry-Aware Graph Diffusion via Hyperbolic Neural PDE

Jiaxu Liu, Xinping Yi, Sihao Wu +4

While Hyperbolic Graph Neural Network (HGNN) has recently emerged as a powerful tool dealing with hierarchical graph data, the limitations of scalability and efficiency hinder itse…

eess.SP2024★ 13 cited

Towards Unified AI Models for MU-MIMO Communications: A Tensor Equivariance Framework

Yafei Wang, Hongwei Hou, Xinping Yi +2

In this paper, we propose a unified framework based on equivariance for the design of artificial intelligence (AI)-assisted technologies in multi-user multiple-input-multiple-outpu…

eess.SP2024

Robust Symbol-Level Precoding for Massive MIMO Communication Under Channel Aging

Yafei Wang, Xinping Yi, Hongwei Hou +2

This paper investigates the robust design of symbol-level precoding (SLP) for multiuser multiple-input multiple-output (MIMO) downlink transmission with imperfect channel state inf…

eess.SP2023

Beam-Delay Domain Channel Estimation for mmWave XL-MIMO Systems

Hongwei Hou, Xuan He, Tianhao Fang +3

This paper investigates the uplink channel estimation of the millimeter-wave (mmWave) extremely large-scale multiple-input-multiple-output (XL-MIMO) communication system in the bea…

eess.SP2023

Soft Demodulator for Symbol-Level Precoding in Coded Multiuser MISO Systems

Yafei Wang, Hongwei Hou, Wenjin Wang +2

In this paper, we consider symbol-level precoding (SLP) in channel-coded multiuser multi-input single-output (MISO) systems. It is observed that the received SLP signals do not alw…