413 citations · 796 across the 40 of their papers we have counts for
30 papers · 1 filter
Computationally Efficient Unsupervised Deep Learning for Robust Joint AP Clustering and Beamforming Design in Cell-Free Systems
Guanghui Chen, Zheng Wang, Hongxin Lin +2
In this paper, we consider robust joint access point (AP) clustering and beamforming design with imperfect channel state information (CSI) in cell-free systems. Specifically, we jo…
Interleaved Training for Massive MIMO Downlink via Exploring Spatial Correlation
Cheng Zhang, Chang Liu, Yindi Jing +2
Interleaved training has been studied for single-user and multi-user massive MIMO downlink with either fully-digital or hybrid beamforming. However, the impact of channel correlati…
Joint Port Selection Based Channel Acquisition for FDD Cell-Free Massive MIMO
Cheng Zhang, Pengguang Du, Minjie Ding +2
In frequency division duplexing (FDD) cell-free massive MIMO, the acquisition of the channel state information (CSI) is very challenging because of the large overhead required for…
Learning-Aided Beam Prediction in mmWave MU-MIMO Systems for High-Speed Railway
Fan Meng, Shengheng Liu, Yongming Huang +1
The problem of beam alignment and tracking in high mobility scenarios such as high-speed railway (HSR) becomes extremely challenging, since large overhead cost and significant time…
Energy Efficient Beamforming Optimization for Integrated Sensing and Communication
Zhenyao He, Wei Xu, Hong Shen +2
This paper investigates the optimization of beamforming design in a system with integrated sensing and communication (ISAC), where the base station (BS) sends signals for simultane…
Cross-Layer Optimization: Joint User Scheduling and Beamforming Design With QoS Support in Joint Transmission Networks
Shiwen He, Zhenyu An, Jianyue Zhu +3
User scheduling and beamforming design are two crucial yet coupled topics for wireless communication systems. They are usually optimized separately with conventional optimization m…
An Unsupervised Deep Unrolling Framework for Constrained Optimization Problems in Wireless Networks
Shiwen He, Shaowen Xiong, Zhenyu An +3
In wireless network, the optimization problems generally have complex constraints, and are usually solved via utilizing the traditional optimization methods that have high computat…
Spatiotemporal 2-D Channel Coding for Very Low Latency Reliable MIMO Transmission
Xiaohu You, Chuan Zhang, Bin Sheng +5
To fully support vertical industries, 5G and its corresponding channel coding are expected to meet requirements of different applications. However, for applications of 5G and beyon…
Maximizing the Set Cardinality of Users Scheduled for Ultra-dense uRLLC Networks
Shiwen He, Jun Yuan, Zhenyu An +2
Ultra-reliability and low latency communication has long been an important but challenging task in the fifth and sixth generation wireless communication systems. Scheduling as many…
Energy-Efficient Cooperative Secure Transmission in Multi-UAV Enabled Wireless Networks
Meng Hua, Yi Wang, Qingqing Wu +3
This paper investigates a multiple unmanned aerial vehicles (UAVs) enabled cooperative secure transmission scheme in the presence of multiple potential eavesdroppers. Specifically,…
Cloud-Edge Coordinated Processing: Low-Latency Multicasting Transmission
Shiwen He, Ju Ren, Jiaheng Wang +5
Recently, edge caching and multicasting arise as two promising technologies to support high-data-rate and low-latency delivery in wireless communication networks. In this paper, we…
Hybrid Precoder Design for Cache-enabled Millimeter Wave Radio Access Networks
Shiwen He, Yongpeng Wu, Ju Ren +3
In this paper, we study the design of a hybrid precoder, consisting of an analog and a digital precoder, for the delivery phase of downlink cache-enabled millimeter wave (mmWave) r…
Two-level Transmission Scheme for Cache-enabled Fog Radio Access Networks
Shiwen He, Chenhao Qi, Yongming Huang +2
In this paper, we investigate the downlink transmission for cache-enabled fog radio access networks aiming at maximizing the delivery rate under the constraints of fronthaul capaci…
Placement Delivery Array Design via Attention-Based Deep Neural Network
Zhengming Zhang, Meng Hua, Chunguo Li +2
A decentralized coded caching scheme has been proposed by Maddah-Ali and Niesen, and has been shown to alleviate the load of networks. Recently, placement delivery array (PDA) was…
Signal Processing for MIMO-NOMA: Present and Future Challenges
Yongming Huang, Cheng Zhang, Jiaheng Wang +3
Non-orthogonal multiple access (NOMA), as the newest member of the multiple access family, is envisioned to be an essential component of 5G mobile networks. The combination of NOMA…
Performance Analysis for Massive MIMO Downlink with Low Complexity Approximate Zero-Forcing Precoding
Cheng Zhang, Yindi Jing, Yongming Huang +1
Zero-forcing (ZF) precoding plays an important role for massive MIMO downlink due to its near optimal performance. However, the high computation cost of the involved matrix inversi…
Interleaved Training and Training-Based Transmission Design for Hybrid Massive Antenna Downlink
Cheng Zhang, Yindi Jing, Yongming Huang +1
In this paper, we study the beam-based training design jointly with the transmission design for hybrid massive antenna single-user (SU) and multiple-user (MU) systems where outage…
On Optimal Power Allocation for Downlink Non-Orthogonal Multiple Access Systems
Jianyue Zhu, Jiaheng Wang, Yongming Huang +3
Non-orthogonal multiple access (NOMA) enables power-domain multiplexing via successive interference cancellation (SIC) and has been viewed as a promising technology for 5G communic…
Codebook Based Hybrid Precoding for Millimeter Wave Multiuser Systems
Shiwen He, Jiaheng Wang, Yongming Huang +2
In millimeter wave (mmWave) systems, antenna architecture limitations make it difficult to apply conventional fully digital precoding techniques but call for low cost analog radio-…
Millimeter Wave Communications for Future Mobile Networks
Ming Xiao, Shahid Mumtaz, Yongming Huang +8
Millimeter wave (mmWave) communications have recently attracted large research interest, since the huge available bandwidth can potentially lead to rates of multiple Gbps (gigabit…
Energy Efficient Beamforming for Massive MIMO Public Channel
Cheng Zhang, Yongming Huang, Yindi Jing +1
For massive MIMO public channel with any sector size in either microwave or millimeter wave (mmwave) band, this paper studies the beamforming design to minimize the transmit power…
Performance Scaling Law for Multi-Cell Multi-User Massive MIMO
Cheng Zhang, Yindi Jing, Yongming Huang +1
This work provides a comprehensive scaling law based performance analysis for multi-cell multi-user massive multiple-input-multiple-output (MIMO) downlink systems. Imperfect channe…
Energy-Efficient Transceiver Design for Hybrid Sub-Array Architecture MIMO Systems
Shiwen He, Chenhao Qi, Yongpen Wu +1
Millimeter-wave (mmWave) communication operated in frequency bands between 30 and 300 GHz has attracted extensive attention due to the potential ability of offering orders of magni…
Distributed Optimization of Hierarchical Small Cell Networks: A GNEP Framework
Jiaheng Wang, Wei Guan, Yongming Huang +2
Deployment of small cell base stations (SBSs) overlaying the coverage area of a macrocell BS (MBS) results in a two-tier hierarchical small cell network. Cross-tier and inter-tier…