311 citations · 1.6k across the 76 of their papers we have counts for
77 papers
Joint Distributed Precoding and Beamforming for RIS-aided Cell-Free Massive MIMO Systems
Peng Zhang, Jiayi Zhang, Huahua Xiao +3
The amalgamation of cell-free networks and reconfigurable intelligent surface (RIS) has become a prospective technique for future sixth-generation wireless communication systems. I…
Channel Estimation for XL-MIMO Systems with Polar-Domain Multi-Scale Residual Dense Network
Hao Lei, Jiayi Zhang, Huahua Xiao +3
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technique to enable versatile applications for future wireless communications.To realize the huge pote…
Rate-Splitting for CF Massive MIMO Systems With Channel Aging
Jiakang Zheng, Jiayi Zhang, Hongyang Du +3
The cell-free (CF) massive multiple-input multiple-output (MIMO) system is considered a cutting-edge technology in next-generation mobile communication due to its ability to provid…
Flexible-Position MIMO for Wireless Communications: Fundamentals, Challenges, and Future Directions
Jiakang Zheng, Jiayi Zhang, Hongyang Du +4
The flexible-position multiple-input multiple-output (FLP-MIMO), such as fluid antennas and movable antennas, is a promising technology for future wireless communications. This is…
A Tutorial on Extremely Large-Scale MIMO for 6G: Fundamentals, Signal Processing, and Applications
Zhe Wang, Jiayi Zhang, Hongyang Du +6
Extremely large-scale multiple-input-multiple-output (XL-MIMO), which offers vast spatial degrees of freedom, has emerged as a potentially pivotal enabling technology for the sixth…
Cell-Free XL-MIMO Meets Multi-Agent Reinforcement Learning: Architectures, Challenges, and Future Directions
Zhilong Liu, Jiayi Zhang, Ziheng Liu +5
Cell-free massive multiple-input multiple-output (mMIMO) and extremely large-scale MIMO (XL-MIMO) are regarded as promising innovations for the forthcoming generation of wireless c…
Uplink Performance of RIS-aided Cell-Free Massive MIMO System with Electromagnetic Interference
Enyu Shi, Jiayi Zhang, Derrick Wing Kwan Ng +1
Cell-free (CF) massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surface (RIS) are two promising technologies for realizing future beyond-fifth generatio…
Jac-PCG Based Low-Complexity Precoding for Extremely Large-Scale MIMO Systems
Bokai Xu, Jiayi Zhang, Jiaxun Li +2
Extremely large-scale multiple-input-multipleoutput (XL-MIMO) has been reviewed as a promising technology for future sixth-generation (6G) networks to achieve higher performance. I…
Uplink Power Control for Extremely Large-Scale MIMO with Multi-Agent Reinforcement Learning and Fuzzy Logic
Ziheng Liu, Zhilong Liu, Jiayi Zhang +3
In this paper, we investigate the uplink transmit power optimization problem in cell-free (CF) extremely large-scale multiple-input multiple-output (XL-MIMO) systems. Instead of ap…
Uplink Performance of Cell-Free Extremely Large-Scale MIMO Systems
Hao Lei, Zhe Wang, Huahua Xiao +2
In this paper, we investigate the uplink performance of cell-free (CF) extremely large-scale multiple-input-multipleoutput (XL-MIMO) systems, which is a promising technique for fut…
Low-Complexity Precoding for Extremely Large-Scale MIMO Over Non-Stationary Channels
Bokai Xu, Zhe Wang, Huahua Xiao +3
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technology for the future sixth-generation (6G) networks to achieve higher performance. In practice, v…
Mobile Cell-Free Massive MIMO: Challenges, Solutions, and Future Directions
Jiakang Zheng, Jiayi Zhang, Hongyang Du +4
Cell-free (CF) massive multiple-input multiple-output (MIMO) systems, which exploit many geographically distributed access points to coherently serve user equipments via spatial mu…
Blockchain-aided Secure Semantic Communication for AI-Generated Content in Metaverse
Yijing Lin, Hongyang Du, Dusit Niyato +4
The construction of virtual transportation networks requires massive data to be transmitted from edge devices to Virtual Service Providers (VSP) to facilitate circulations between…
Uplink Precoding Design for Cell-Free Massive MIMO with Iteratively Weighted MMSE
Zhe Wang, Jiayi Zhang, Hien Quoc Ngo +2
In this paper, we investigate a cell-free massive multiple-input multiple-output system with both access points and user equipments equipped with multiple antennas over the Weichse…
Asynchronous Cell-Free Massive MIMO With Rate-Splitting
Jiakang Zheng, Jiayi Zhang, Julian Cheng +3
In practical cell-free (CF) massive multiple-input multiple-output (MIMO) networks with distributed and low-cost access points, the asynchronous arrival of signals at the user equi…
Improving Fairness for Cell-Free Massive MIMO Through Interference-Aware Massive Access
Shuaifei Chen, Jiayi Zhang, Emil Björnson +1
Cell-free massive multiple-input multiple-output (CF mMIMO) provides good interference management by coordinating many more access points (APs) than user equipments (UEs). It becom…
Federated Learning-Based Cell-Free Massive MIMO System for Privacy-Preserving
Jiayi Zhang, Jing Zhang, Derrick Wing Kwan Ng +1
Cell-free massive MIMO (CF mMIMO) is a promising next generation wireless architecture to realize federated learning (FL). However, sensitive information of user equipments (UEs) m…
Performance Analysis of Cell-Free Massive MIMO Systems with Asynchronous Reception
Jiakang Zheng, Zhuoyi Zhao, Jiayi Zhang +2
Cell-free (CF) massive multiple-input multiple-output (MIMO) is considered as a promising technology for achieving the ultimate performance limit. However, due to its distributed a…
Decentralized Coordinated Precoding Design in Cell-Free Massive MIMO Systems for URLLC
Enyu Shi, Jing Zhang, Jiayi Zhang +2
Cell-free massive multiple-input multiple-output (MIMO) is a promising network to offer huge improvement of the achievable rate compared with conventional cellular massive MIMO sys…
Uplink Performance of RIS-aided Cell-Free Massive MIMO System Over Spatially Correlated Channels
Enyu Shi, Jiayi Zhang, Zhe Wang +2
We consider a practical spatially correlated reconfigurable intelligent surface (RIS)-aided cell-free (CF) massive multiple-input-multiple-output (mMIMO) system with multi-antenna…
Extremely Large-Scale MIMO: Fundamentals, Challenges, Solutions, and Future Directions
Zhe Wang, Jiayi Zhang, Hongyang Du +4
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technology to empower the next-generation communications. However, XL-MIMO, which is still in its earl…
Energy-Efficient Cell-Free Massive MIMO Through Sparse Large-Scale Fading Processing
Shuaifei Chen, Jiayi Zhang, Emil Björnson +2
Cell-free massive multiple-input multiple-output (CF mMIMO) systems serve the user equipments (UEs) by geographically distributed access points (APs) by means of joint transmission…
Exploiting Deep Reinforcement Learning for Edge Caching in Cell-Free Massive MIMO Systems
Yu Zhang, Shuaifei Chen, Jiayi Zhang
Cell-free massive multiple-input-multiple-output is promising to meet the stringent quality-of-experience (QoE) requirements of railway wireless communications by coordinating many…
Cell-Free Massive MIMO with Multi-Antenna Users over Weichselberger Rician Channels
Xin Li, Jiayi Zhang, Zhe Wang +2
We consider a cell-free massive multiple-input multiple-output (MIMO) system with multi-antenna access points and user equipments (UEs) over Weichselberger Rician fading channels w…