activity
20202026
most citedCell-Free Massive MIMO with Channel Aging and Pilot Contamination

4 citations · 14 across the 19 of their papers we have counts for

collaborators

19 papers

eess.SP2026

Joint Beamforming Optimization and Dynamic Tracking in RIS-Enabled Secure ISAC Systems

Zhendong Li, Weichun Zhao, Zhou Su +5

This paper investigates a reconfigurable intelligent surface (RIS)-enabled secure integrated sensing and communication (ISAC) system, where the direct links between the base statio…

cs.IT2026

Low-Complexity Multi-Agent Continual Learning for Stacked Intelligent Metasurface-Assisted Secure Communications

Enyu Shi, Yiyang Zhu, Jiayi Zhang +6

Stacked intelligent metasurfaces (SIMs), composed of multiple layers of reconfigurable transmissive metasurfaces, are gaining prominence as a transformative technology for future w…

eess.SP2025

Rydberg Atomic Receivers for Wireless Communications: Fundamentals, Potential, Applications, and Challenges

Yin Zhang, Jiayi Zhang, Bokai Xu +10

Rydberg atomic receivers (RARs) leverage the quantum coherence of highly excited atoms to overcome the intrinsic physical limitations of conventional radio frequency receivers (RFR…

cs.IT2025

White-Box AI Model: Next Frontier of Wireless Communications

Jiayao Yang, Jiayi Zhang, Bokai Xu +7

White-box AI (WAI), or explainable AI (XAI) model, a novel tool to achieve the reasoning behind decisions and predictions made by the AI algorithms, makes it more understandable an…

eess.SP2025

Movable Cell-Free Massive MIMO For High-Speed Train Communications: A PPO-Based Antenna Position Optimization

Jie Dai, Yuchen Liu, Jiakang Zheng +3

In recent years, high-speed trains (HSTs) communications have developed rapidly to enhance the stability of train operations and improve passenger connectivity experiences. However…

cs.IT2025

Beamforming Design for Beyond Diagonal RIS-Aided Cell-Free Massive MIMO Systems

Yizhuo Li, Jiakang Zheng, Bokai Xu +4

Reconfigurable intelligent surface (RIS)-aided cell-free (CF) massive multiple-input multiple-output (mMIMO) is a promising technology for further improving spectral efficiency (SE…

cs.IT2024

Rate-Splitting for Cell-Free Massive MIMO: Performance Analysis and Generative AI Approach

Jiakang Zheng, Jiayi Zhang, Hongyang Du +4

Cell-free (CF) massive multiple-input multipleoutput (MIMO) provides a ubiquitous coverage to user equipments (UEs) but it is also susceptible to interference. Ratesplitting (RS) e…

cs.IT2023★ 1 cited

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…

cs.IT2023

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…

cs.IT2023★ 1 cited

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…

cs.IT2022★ 3 cited

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…

cs.IT2022★ 1 cited

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…

cs.IT2022

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

Jiakang Zheng, Jiayi Zhang, Emil Björnson +2

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems show great potentials in low-mobility scenarios, due to cell boundary disappearance and strong macro diversity.…

cs.IT2022

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

Enyu Shi, Jiayi Zhang, Shuaifei Chen +4

In future sixth-generation (6G) mobile networks, the Internet-of-Everything (IoE) is expected to provide extremely massive connectivity for small battery-powered devices. Indeed, m…

cs.IT2022

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

Jiakang Zheng, Jiayi Zhang, Enyu Shi +2

High-speed train (HST) communications with orthogonal frequency division multiplexing (OFDM) techniques have received significant attention in recent years. Besides, cell-free (CF)…

cs.IT2022

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

Jiakang Zheng, Jiayi Zhang, Bo Ai

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems are expected to implement advanced cooperative communication techniques to let geographically distributed acces…

cs.IT2021★ 3 cited

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

Jiakang Zheng, Jiayi Zhang, Bo Ai

Cell-free (CF) massive multiple-input multiple-output (MIMO) is a promising solution to provide uniform good performance for unmanned aerial vehicle (UAV) communications. In this p…

cs.IT2021★ 1 cited

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

Jiakang Zheng, Jiayi Zhang, Emil Björnson +1

In this paper, we investigate the impact of channel aging on the performance of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with both spatial correlation a…

cs.IT2020★ 4 cited

Cell-Free Massive MIMO with Channel Aging and Pilot Contamination

Jiakang Zheng, Jiayi Zhang, Emil Björnson +1

In this paper, we investigate the impact of channel aging on the performance of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with pilot contamination. To ta…