b'Jiayi Zhang'

research

∙ 09/12/2023

Modeling Cognitive-Affective Processes with Appraisal and Reinforcement Learning

Computational models can advance affective science by shedding light ont...

0 Jiayi Zhang, et al. ∙

research

∙ 09/05/2023

Generative AI-aided Joint Training-free Secure Semantic Communications via Multi-modal Prompts

Semantic communication (SemCom) holds promise for reducing network resou...

0 Hongyang Du, et al. ∙

research

∙ 08/31/2023

Channel Estimation for XL-MIMO Systems with Polar-Domain Multi-Scale Residual Dense Network

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a prom...

0 Hao Lei, et al. ∙

research

∙ 08/30/2023

Rate-Splitting for CF Massive MIMO Systems With Channel Aging

The cell-free (CF) massive multiple-input multiple-output (MIMO) system ...

0 Jiakang Zheng, et al. ∙

research

∙ 08/28/2023

Flexible-Position MIMO for Wireless Communications: Fundamentals, Challenges, and Future Directions

The flexible-position multiple-input multiple-output (MIMO), such as flu...

0 Jiakang Zheng, et al. ∙

research

∙ 07/14/2023

A Tutorial on Extremely Large-Scale MIMO for 6G: Fundamentals, Signal Processing, and Applications

Extremely large-scale multiple-input-multiple-output (XL-MIMO), which of...

0 Zhe Wang, et al. ∙

research

∙ 07/06/2023

Cell-Free XL-MIMO Meets Multi-Agent Reinforcement Learning: Architectures, Challenges, and Future Directions

Cell-free massive multiple-input multiple-output (mMIMO) and extremely l...

0 Zhilong Liu, et al. ∙

research

∙ 06/14/2023

Uplink Performance of RIS-aided Cell-Free Massive MIMO System with Electromagnetic Interference

Cell-free (CF) massive multiple-input multiple-output (MIMO) and reconfi...

0 Enyu Shi, et al. ∙

research

∙ 05/23/2023

Jac-PCG Based Low-Complexity Precoding for Extremely Large-Scale MIMO Systems

Extremely large-scale multiple-input-multipleoutput (XL-MIMO) has been r...

0 Bokai Xu, et al. ∙

research

∙ 04/10/2023

Finite element and integral equation methods to conical diffraction by imperfectly conducting gratings

In this paper we study the variational method and integral equation meth...

0 Guanghui Hu, et al. ∙

research

∙ 03/20/2023

Learning Audio-Visual Source Localization via False Negative Aware Contrastive Learning

Self-supervised audio-visual source localization aims to locate sound-so...

0 Weixuan Sun, et al. ∙

research

∙ 02/18/2023

Uplink Power Control for Extremely Large-Scale MIMO with Multi-Agent Reinforcement Learning and Fuzzy Logic

In this paper, we investigate the uplink transmit power optimization pro...

0 Ziheng Liu, et al. ∙

research

∙ 02/06/2023

Mobile Cell-Free Massive MIMO: Challenges, Solutions, and Future Directions

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems, wh...

0 Jiakang Zheng, et al. ∙

research

∙ 02/02/2023

Low-Complexity Precoding for Extremely Large-Scale MIMO Over Non-Stationary Channels

Extremely large-scale multiple-input-multiple-output (XL-MIMO) is a prom...

0 Bokai Xu, et al. ∙

research

∙ 01/28/2023

Uplink Performance of Cell-Free Extremely Large-Scale MIMO Systems

In this paper, we investigate the uplink performance of cell-free (CF) e...

0 Hao Lei, et al. ∙

research

∙ 01/25/2023

Blockchain-aided Secure Semantic Communication for AI-Generated Content in Metaverse

The construction of virtual transportation networks requires massive dat...

0 Yijing Lin, et al. ∙

research

∙ 01/06/2023

Uplink Precoding Design for Cell-Free Massive MIMO with Iteratively Weighted MMSE

In this paper, we investigate a cell-free massive multiple-input multipl...

0 Zhe Wang, et al. ∙

research

∙ 12/06/2022

Asynchronous Cell-Free Massive MIMO With Rate-Splitting

In practical cell-free (CF) massive multiple-input multiple-output (MIMO...

0 Jiakang Zheng, et al. ∙

research

∙ 12/05/2022

Improving Fairness for Cell-Free Massive MIMO Through Interference-Aware Massive Access

Cell-free massive multiple-input multiple-output (CF mMIMO) provides goo...

0 Shuaifei Chen, et al. ∙

research

∙ 11/17/2022

Hard Exudate Segmentation Supplemented by Super-Resolution with Multi-scale Attention Fusion Module

Hard exudates (HE) is the most specific biomarker for retina edema. Prec...

0 Jiayi Zhang, et al. ∙

research

∙ 10/17/2022

Performance Analysis of Cell-Free Massive MIMO Systems with Asynchronous Reception

Cell-free (CF) massive multiple-input multiple-output (MIMO) is consider...

0 Jiakang Zheng, et al. ∙

research

∙ 09/28/2022

Uplink Performance of RIS-aided Cell-Free Massive MIMO System Over Spatially Correlated Channels

We consider a practical spatially correlated reconfigurable intelligent ...

0 Enyu Shi, et al. ∙

research

∙ 09/25/2022

Extremely Large-Scale MIMO: Fundamentals, Challenges, Solutions, and Future Directions

Extremely large-scale multiple-input-multiple-output (XL-MIMO) is a prom...

0 Zhe Wang, et al. ∙

research

∙ 08/26/2022

Exploiting Deep Reinforcement Learning for Edge Caching in Cell-Free Massive MIMO Systems

Cell-free massive multiple-input-multiple-output is promising to meet th...

0 Yu Zhang, et al. ∙

research

∙ 07/22/2022

Cell-Free Massive MIMO with Multi-Antenna Users over Weichselberger Rician Channels

We consider a cell-free massive multiple-input multiple-output (MIMO) sy...

0 Xin Li, et al. ∙

research

∙ 05/05/2022

Sparse Large-Scale Fading Decoding in Cell-Free Massive MIMO Systems

Cell-free massive multiple-input multiple-output (CF mMIMO) systems are ...

0 Shuaifei Chen, et al. ∙

research

∙ 04/06/2022

C3KG: A Chinese Commonsense Conversation Knowledge Graph

Existing commonsense knowledge bases often organize tuples in an isolate...

0 Dawei Li, et al. ∙

research

∙ 03/06/2022

A Survey for Solving Mixed Integer Programming via Machine Learning

This paper surveys the trend of leveraging machine learning to solve mix...

0 Jiayi Zhang, et al. ∙

research

∙ 03/05/2022

Reconfigurable Intelligent Surface-Aided Joint Radar and Covert Communications: Fundamentals, Optimization, and Challenges

Future wireless communication systems will evolve toward multi-functiona...

0 Hongyang Du, et al. ∙

research

∙ 03/02/2022

Cell-Free Massive MIMO-OFDM for High-Speed Train Communications

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems sho...

0 Jiakang Zheng, et al. ∙

research

∙ 02/15/2022

Treating Interference as Noise in Cell-Free Massive MIMO Networks

How to manage the interference introduced by the enormous wireless devic...

0 Shuaifei Chen, et al. ∙

research

∙ 01/27/2022

Wireless Energy Transfer in RIS-Aided Cell-Free Massive MIMO Systems: Opportunities and Challenges

In future sixth-generation (6G) mobile networks, the Internet-of-Everyth...

0 Enyu Shi, et al. ∙

research

∙ 01/27/2022

Iteratively Weighted MMSE Uplink Precoding for Cell-Free Massive MIMO

In this paper, we investigate a cell-free massive MIMO system with both ...

0 Zhe Wang, et al. ∙

research

∙ 01/24/2022

Uplink Performance of High-Mobility Cell-Free Massive MIMO-OFDM Systems

High-speed train (HST) communications with orthogonal frequency division...

0 Jiakang Zheng, et al. ∙

research

∙ 01/24/2022

Team-Optimal MMSE Combining for Cell-Free Massive MIMO Systems

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems are...

0 Jiakang Zheng, et al. ∙

research

∙ 01/22/2022

Reconfigurable Intelligent Surfaces with Outdated Channel State Information: Centralized vs. Distributed Deployments

In this paper, we investigate the performance of an RIS-aided wireless c...

0 Yan Zhang, et al. ∙

research

∙ 12/09/2021

Multiple Residual Dense Networks for Reconfigurable Intelligent Surfaces Cascaded Channel Estimation

Reconfigurable intelligent surface (RIS) constitutes an essential and pr...

0 Yu Jin, et al. ∙

research

∙ 10/18/2021

Deep Learning-Based Power Control for Uplink Cell-Free Massive MIMO Systems

In this paper, a general framework for deep learning-based power control...

5 Yongshun Zhang, et al. ∙

research

∙ 10/12/2021

Uplink Performance of Cell-Free Massive MIMO Over Spatially Correlated Rician Fading Channels

We consider a practical cell-free massive multiple-input-multiple-output...

0 Zhe Wang, et al. ∙

research

∙ 10/11/2021

Uplink Performance of Cell-Free Massive MIMO with Multi-Antenna Users Over Jointly-Correlated Rayleigh Fading Channels

In this paper, we investigate a cell-free massive MIMO system with both ...

0 Zhe Wang, et al. ∙

research

∙ 06/09/2021

A Bi-Level Framework for Learning to Solve Combinatorial Optimization on Graphs

Combinatorial Optimization (CO) has been a long-standing challenging res...

0 Runzhong Wang, et al. ∙

research

∙ 04/28/2021

A Survey on User-Centric Cell-Free Massive MIMO Systems

The mobile data traffic has been exponentially growing during the last d...

0 Shuaifei Chen, et al. ∙

research

∙ 04/23/2021

UAV Communications with WPT-aided Cell-Free Massive MIMO Systems

Cell-free (CF) massive multiple-input multiple-output (MIMO) is a promis...

0 Jiakang Zheng, et al. ∙

research

∙ 04/23/2021

Impact of Channel Aging on Cell-Free Massive MIMO Over Spatially Correlated Channels

In this paper, we investigate the impact of channel aging on the perform...

0 Jiakang Zheng, et al. ∙

research

∙ 03/17/2021

RIS-Aided Next-Generation High-Speed Train Communications: Challenges, Solutions, and Future Directions

High-speed train (HST) communication is a very challenging scenario in w...

0 Heng Liu, et al. ∙

research

∙ 12/15/2020

Writing Polishment with Simile: Task, Dataset and A Neural Approach

A simile is a figure of speech that directly makes a comparison, showing...

0 Jiayi Zhang, et al. ∙

research

∙ 12/01/2020

Physical Layer Security Enhancement with Reconfigurable Intelligent Surface-Aided Networks

Reconfigurable intelligent surface (RIS)-assisted wireless communication...

0 Jiayi Zhang, et al. ∙

research

∙ 12/01/2020

Secrecy Performance of Body-Centric Communications over Alternate Rician Shadowed Fading Channels

In this paper, we investigate the physical layer security over the Alter...

0 Xiaoqi Wang, et al. ∙

research

∙ 12/01/2020

Reconfigurable Intelligent Surface Aided TeraHertz Communications Under Misalignment and Hardware Impairments

TeraHertz (THz) communications are envisioned to help satisfy the ever h...

0 Hongyang Du, et al. ∙

research

∙ 09/25/2020

Focus-Constrained Attention Mechanism for CVAE-based Response Generation

To model diverse responses for a given post, one promising way is to int...

0 Zhi Cui, et al. ∙

Jiayi Zhang

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