323 citations · 980 across the 16 of their papers we have counts for
17 papers
Integrated Communications and Localization for Massive MIMO LEO Satellite Systems
Li You, Xiaoyu Qiang, Yongxiang Zhu +6
Integrated communications and localization (ICAL) will play an important part in future sixth generation (6G) networks for the realization of Internet of Everything (IoE) to suppor…
Joint Active User Detection, Channel Estimation, and Data Detection for Massive Grant-Free Transmission in Cell-Free Systems
Gangle Sun, Mengyao Cao, Wenjin Wang +2
Cell-free communication has the potential to significantly improve grant-free transmission in massive machine-type communication, wherein multiple access points jointly serve a lar…
Rate-Splitting Multiple Access for Uplink Massive MIMO With Electromagnetic Exposure Constraints
Hanyu Jiang, Li You, Ahmed Elzanaty +4
Over the past few years, the prevalence of wireless devices has become one of the essential sources of electromagnetic (EM) radiation to the public. Facing with the swift developme…
Weighted MMSE Precoding for Constructive Interference Region
Yafei Wang, Wenjin Wang, Li You +2
In this paper, we propose a symbol-level precoding (SLP) design that aims to minimize the weighted mean square error between the received signal and the constellation point located…
Hybrid Analog/Digital Precoding for Downlink Massive MIMO LEO Satellite Communications
Li You, Xiaoyu Qiang, Ke-Xin Li +4
Massive multiple-input multiple-output (MIMO) is promising for low earth orbit (LEO) satellite communications due to the potential in enhancing the spectral efficiency. However, th…
Spatial Covariance Matrix Reconstruction for DOA Estimation in Hybrid Massive MIMO Systems with Multiple Radio Frequency Chains
Yinsheng Liu, Yiwei Yan, Li You +2
Multiple signal classification (MUSIC) has been widely applied in multiple-input multiple-output (MIMO) receivers for direction-of-arrival (DOA) estimation. To reduce the cost of r…
Energy-Efficient Precoding in Electromagnetic Exposure-Constrained Uplink Multiuser MIMO
Jiayuan Xiong, Li You, Derrick Wing Kwan Ng +2
User electromagnetic (EM) exposure is continuously being exacerbated by the evolution of multi-antenna portable devices. To mitigate the effects of EM radiation, portable devices m…
Energy Efficiency Optimization for Multi-cell Massive MIMO: Centralized and Distributed Power Allocation Algorithms
Li You, Yufei Huang, Di Zhang +3
This paper investigates the energy efficiency (EE) optimization in downlink multi-cell massive multiple-input multiple-output (MIMO). In our research, the statistical channel state…
Deterministic Pilot Design and Channel Estimation for Downlink Massive MIMO-OTFS Systems in Presence of the Fractional Doppler
Ding Shi, Wenjin Wang, Li You +4
Although the combination of the orthogonal time frequency space (OTFS) modulation and the massive multiple-input multiple-output (MIMO) technology can make communication systems pe…
Location-Based Timing Advance Estimation for 5G Integrated LEO Satellite Communications
Wenjin Wang, Tingting Chen, Rui Ding +3
Integrated satellite-terrestrial communications networks aim to exploit both the satellite and the ground mobile communications, thus providing genuine ubiquitous coverage. For 5G…
Energy Efficiency and Spectral Efficiency Tradeoff in RIS-Aided Multiuser MIMO Uplink Transmission
Li You, Jiayuan Xiong, Derrick Wing Kwan Ng +3
The emergence of reconfigurable intelligent surfaces (RISs) enables us to establish programmable radio wave propagation that caters for wireless communications, via employing low-c…
Robust Precoding in Massive MIMO: A Deep Learning Approach
Junchao Shi, Wenjin Wang, Xinping Yi +2
In this paper, we consider massive multiple-input-multiple-output (MIMO) communication systems with a uniform planar array (UPA) at the base station (BS) and investigate the downli…
Network Massive MIMO Transmission Over Millimeter-Wave and Terahertz Bands: Mobility Enhancement and Blockage Mitigation
Li You, Xu Chen, Xiaohang Song +4
Mobility and blockage are two critical challenges in wireless transmission over millimeter-wave (mmWave) and Terahertz (THz) bands. In this paper, we investigate network massive mu…
Spectral Efficiency and Energy Efficiency Tradeoff in Massive MIMO Downlink Transmission with Statistical CSIT
Li You, Jiayuan Xiong, Alessio Zappone +2
As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), a…
Reconfigurable Intelligent Surfaces-Assisted Multiuser MIMO Uplink Transmission with Partial CSI
Li You, Jiayuan Xiong, Yufei Huang +4
This paper considers the application of reconfigurable intelligent surfaces (RISs) (a.k.a. intelligent reflecting surfaces (IRSs)) to assist multiuser multiple-input multiple-outpu…
Energy Efficiency Optimization for Downlink Massive MIMO With Statistical CSIT
Li You, Jiayuan Xiong, Xinping Yi +3
We investigate energy efficiency (EE) optimization for single-cell massive multiple-input multiple-output (MIMO) downlink transmission with only statistical channel state informati…
Unifying Message Passing Algorithms Under the Framework of Constrained Bethe Free Energy Minimization
Dan Zhang, Xiaohang Song, Wenjin Wang +2
Variational message passing (VMP), belief propagation (BP) and expectation propagation (EP) have found their wide applications in complex statistical signal processing problems. In…