13 citations · 26 across the 13 of their papers we have counts for
9 papers · 1 filter
Superimposed RIS-phase Modulation for MIMO Communications: A Novel Paradigm of Information Transfer
Jiacheng Yao, Jindan Xu, Wei Xu +2
Reconfigurable intelligent surface (RIS) is regarded as an important enabling technology for the sixth-generation (6G) network. Recently, modulating information in reflection patte…
Imperfect CSI: A Key Factor of Uncertainty to Over-the-Air Federated Learning
Jiacheng Yao, Zhaohui Yang, Wei Xu +2
Over-the-air computation (AirComp) has recently been identified as a prominent technique to enhance communication efficiency of wireless federated learning (FL). This letter invest…
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…
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…
Robust Beamforming Design for RIS-aided Cell-free Systems with CSI Uncertainties and Capacity-limited Backhaul
Jiacheng Yao, Jindan Xu, Wei Xu +3
In this paper, we consider the robust beamforming design in a reconfigurable intelligent surface (RIS)-aided cell-free (CF) system considering the channel state information (CSI) u…
Integrated sensing and full-duplex communication: Joint transceiver beamforming and power allocation
Zhenyao He, Wei Xu, Hong Shen +3
Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve…
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…
From ORAN to Cell-Free RAN: Architecture, Performance Analysis, Testbeds and Trials
Yang Cao, Ziyang Zhang, Xinjiang Xia +10
Open radio access network (ORAN) provides an open architecture to implement radio access network (RAN) of the fifth generation (5G) and beyond mobile communications. As a key techn…