97 citations · 175 across the 25 of their papers we have counts for
16 papers · 1 filter
Flexible MIMO for Future Wireless Communications: Which Flexibilities are Possible?
Zhe Wang, Jiayi Zhang, Bokai Xu +3
In conventional multiple-input multiple-output (MIMO), static array configurations struggle in dynamic environments, and further antenna scaling is bounded by cost, energy, and foo…
Optimal Bilinear Equalizer Beamforming Design for Cell-Free Massive MIMO Networks with Arbitrary Channel Estimators
Zhe Wang, Jiayi Zhang, Hao Lei +2
This paper studies the distributed optimal bilinear equalizer (OBE) beamforming design for both the uplink and downlink cell-free massive multiple-input multiple-output networks. W…
Analytical Framework for Effective Degrees of Freedom in Near-Field XL-MIMO
Zhe Wang, Jiayi Zhang, Wenhui Yi +5
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is an emerging transceiver technology for enabling next-generation communication systems, due to its potential for su…
Resource Allocation for Near-Field Communications: Fundamentals, Tools, and Outlooks
Bokai Xu, Jiayi Zhang, Hongyang Du +5
Extremely large-scale multiple-input-multiple output (XL-MIMO) is a promising technology to achieve high spectral efficiency (SE) and energy efficiency (EE) in future wireless syst…
A Tutorial on Near-Field XL-MIMO Communications Towards 6G
Haiquan Lu, Yong Zeng, Changsheng You +9
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for the sixth-generation (6G) mobile communication networks. By significantly boosting the…
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 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…
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…
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…
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…
Iteratively Weighted MMSE Uplink Precoding for Cell-Free Massive MIMO
Zhe Wang, Jiayi Zhang, Hien Quoc Ngo +2
In this paper, we investigate a cell-free massive MIMO system with both access points and user equipments equipped with multiple antennas over the Weichselberger Rayleigh fading ch…
Uplink Performance of Cell-Free Massive MIMO Over Spatially Correlated Rician Fading Channels
Zhe Wang, Jiayi Zhang, Emil Björnson +1
We consider a practical cell-free massive multiple-input-multiple-output (MIMO) system with multi-antenna access points (APs) and spatially correlated Rician fading channels. The s…
Uplink Performance of Cell-Free Massive MIMO with Multi-Antenna Users Over Jointly-Correlated Rayleigh Fading Channels
Zhe Wang, Jiayi Zhang, Bo Ai +2
In this paper, we investigate a cell-free massive MIMO system with both access points (APs) and user equipments (UEs) equipped with multiple antennas over jointly-correlated Raylei…