61 citations · 119 across the 27 of their papers we have counts for
16 papers · 1 filter
Average Achievable Rate Analysis of Cell-Free Massive MIMO in the Finite Blocklength Regime with Imperfect CSI
Kai Chen, Feng Ye, Jiamin Li +3
Acquiring perfect channel state information (CSI) introduces substantial challenges in cell-free massive MIMO (CF-mMIMO) systems, primarily due to the large dimensionality of chann…
Mini-Slot-Assisted Short Packet URLLC:Differential or Coherent Detection?
Canjian Zheng, Fu-Chun Zheng, Jingjing Luo +3
One of the primary challenges in short packet ultra-reliable and low-latency communications (URLLC) is to achieve reliable channel estimation and data detection while minimizing th…
Differential Modulation for Short Packet Transmission in URLLC
Canjian Zheng, Fu-Chun Zheng, Jingjing Luo +3
One key feature of ultra-reliable low-latency communications (URLLC) in 5G is to support short packet transmission (SPT). However, the pilot overhead in SPT for channel estimation…
Resource Allocation in Cell-Free MU-MIMO Multicarrier System with Finite and Infinite Blocklength
Jiafei Fu, Pengcheng Zhu, Bo Ai +2
The explosive growth of data results in more scarce spectrum resources. It is important to optimize the system performance under limited resources. In this paper, we investigate ho…
Grouping Method for mmWave Massive MIMO System: Exploitation of Angular Multiplexing Gain
Peng Jiang, Pengcheng Zhu, Jiamin Li +1
A future millimeter-wave (mmWave) massive multiple-input and multiple-output (MIMO) system may serve hundreds or thousands of users at the same time; thus, research on multiple acc…
Joint Precoding Design and Resource Allocation for C-RAN Wireless Fronthaul Systems
Peng Jiang, Jiafei Fu, Pengcheng Zhu +2
This paper investigates the resource allocation problem combined with fronthaul precoding and access link sparse precoding design in cloud radio access network (C-RAN) wireless fro…
Network-Assisted Full-Duplex Cell-Free mmWave Massive MIMO Systems with DAC Quantization and Fronthaul Compression
Jiamin Li, Qingrui Fan, Yu Zhang +4
In this paper, we investigate network-assisted full-duplex (NAFD) cell-free millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems with digital-to-analog co…
Spectral Efficiency and Scalability Analysis for Multi-Level Cooperative Cell-Free Massive MIMO Systems
Jiamin Li, Xiaoyu Sun, Pengcheng Zhu +2
This paper proposes a multi-level cooperative architecture to balance the spectral efficiency and scalability of cell-free massive multiple-input multiple-output (MIMO) systems. In…
Performance Analysis and Optimization of Network-Assisted Full-Duplex Systems under Low-Resolution ADCs
Xiangning Song, Zhenhao Ji, Jiamin Li +3
Network-assisted full-duplex (NAFD) distributed massive multiple input multiple output (M-MIMO) enables the in-band full-duplex with existing half-duplex devices at the network lev…
Closed-form Approximation for Performance Bound of Finite Blocklength Massive MIMO Transmission
Xiaohu You, Bin Sheng, Yongming Huang +5
Ultra-reliable low latency communications (uRLLC) is adopted in the fifth generation (5G) mobile networks to better support mission-critical applications that demand high level of…
Spectral Efficiency of Unicast and Multigroup Multicast Transmission in Cell-free Distributed Massive MIMO Systems
Jiamin Li, Qijun Pan, Zhenggang Wu +3
In this paper, we consider a joint unicast and multi-group multicast cell-free distributed massive multiple-input multiple-output (MIMO) system, while accounting for co-pilot assig…
Spectral Efficiency Analysis of Cell-free Distributed Massive MIMO Systems with Imperfect Covariance Matrix
Feng Ye, Jiamin Li, Pengcheng Zhu +2
In this paper, the impacts of imperfect channel covariance matrix on the spectral efficiency (SE) of cell-free distributed massive multiple-input multiple-output (MIMO) systems are…
On Performance Loss of DOA Measurement Using Massive MIMO Receiver with Mixed-ADCs
Baihua Shi, Lingling Zhu, Wenlong Cai +5
High hardware cost and high power consumption of massive multiple-input and multiple output (MIMO) are two challenges for the future wireless communications including beyond fifth…
Privacy-preserving Channel Estimation in Cell-free Hybrid Massive MIMO Systems
Jun Xu, Xiaodong Wang, Pengcheng Zhu +1
We consider a cell-free hybrid massive multiple-input multiple-output (MIMO) system with users and access points (APs), each with antennas and radio freque…
Joint Sparse Beamforming and Power Control for Large-scale DAS with Network-Assisted Full Duplex
Xinjiang Xia, Pengcheng Zhu, Jiamin Li +3
In this paper, we studied the joint sparse beamforming and power control for network-assisted full duplex (NAFD) in large-scale distributed antenna system (L-DAS), where the remote…
Performance of Network-Assisted Full-Duplex for Cell-Free Massive MIMO
Dongming Wang, Menghan Wang, Pengcheng Zhu +3
Network assisted full-duplex (NAFD) is a spatial-division duplex technique for future wireless networks with cell-free massive multiple-input multiple-output (CF massive MIMO) netw…