356 citations · 613 across the 44 of their papers we have counts for
46 papers
A Low-Complexity Message-Passing Receiver for FTN-WAFT under Nonlinear Distortion
Xianle Dai, Qu Luo, Jianguo Li +4
This letter proposes a faster-than-Nyquist (FTN) weighted affine Fourier transform (WAFT) transmission scheme, termed FTN-WAFT, which combines the peak-to-average power ratio (PAPR…
Sum Secrecy Rate Maximization for IRS-aided Multi-Cluster MIMO-NOMA Terahertz Systems
Jinlei Xu, Zhengyu Zhu, Zheng Chu +3
Intelligent reflecting surface (IRS) is a promising technique to extend the network coverage and improve spectral efficiency. This paper investigates an IRS-assisted terahertz (THz…
Quantum Sensing Based Joint 3D Beam Training for UAV-mounted STAR-RIS Aided TeraHertz Multi-user Massive MIMO Systems
Xufang Wang, Zihuai Lin, Feng Lin +1
Terahertz (THz) systems are capable of supporting ultra-high data rates thanks to large bandwidth, and the potential to harness high-gain beamforming to combat high pathloss. In th…
Performance Analysis for Reconfigurable Intelligent Surface Assisted MIMO Systems
Likun Sui, Zihuai Lin, Pei Xiao +1
This paper investigates the maximal achievable rate for a given average error probability and blocklength for the reconfigurable intelligent surface (RIS) assisted multiple-input a…
Intelligent Omni Surface-Assisted Self-Interference Cancellation for Full-Duplex MISO System
Sisai Fang, Gaojie Chen, Pei Xiao +2
The full-duplex (FD) communication can achieve higher spectrum efficiency than conventional half-duplex (HD) communication; however, self-interference (SI) is the key hurdle. This…
Massive Access in Extra Large-Scale MIMO with Mixed-ADC over Near Field Channels
Yikun Mei, Zhen Gao, De Mi +5
Massive connectivity for extra large-scale multi-input multi-output (XL-MIMO) systems is a challenging issue due to the near-field access channels and the prohibitive cost. In this…
Spectral-Efficiency of Cell-Free Massive MIMO with Multicarrier-Division Duplex
Bohan Li, Lie-Liang Yang, Robert G. Maunder +2
A multicarrier-division duplex (MDD)-based cell-free (CF) scheme, namely MDD-CF, is proposed, which enables downlink (DL) data and uplink (UL) data or pilots to be concurrently tra…
Low-Complexity Block Coordinate Descend Based Multiuser Detection for Uplink Grant-Free NOMA
Pengyu Gao, Zilong Liu, Pei Xiao +2
Grant-free non-orthogonal multiple access (NOMA) scheme is considered as a promising candidate for the enabling of massive connectivity and reduced signalling overhead for Internet…
A Novel K-Repetition Design for SCMA
Ke Lai, Zilong Liu, Jing Lei +3
This work presents a novel K-Repetition based HARQ scheme for LDPC coded uplink SCMA by employing a network coding (NC) principle to encode different packets, where K-Repetition is…
A Tutorial on Decoding Techniques of Sparse Code Multiple Access
Saumya Chaturvedi, Zilong Liu, Vivek Ashok Bohara +2
Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple access (NOMA) scheme to enable \color{black}future massive machine-type communication network…
Multicarrier-Division Duplex for Solving the Channel Aging Problem in Massive MIMO Systems
Bohan Li, Lie-Liang Yang, Robert G Maunder +2
The separation of training and data transmission as well as the frequent uplink/downlink (UL/DL) switching make time-division duplex (TDD)-based massive multiple-input multiple-out…
Heterogeneous graph neural network for power allocation in multicarrier-division duplex cell-free massive MIMO systems
Bohan Li, Lie-Liang Yang, Robert G Maunder +2
In-band full duplex cell-free (CF) systems suffer from severe self-interference and cross-link interference, especially when CF systems are operated in distributed way. To this end…
An Improved EPA based Receiver Design for Uplink LDPC Coded SCMA System
Lingyun Chai, Zilong Liu, Pei Xiao +2
Sparse code multiple access (SCMA) is an emerging paradigm for efficient enabling of massive connectivity in future machine-type communications (MTC). In this letter, we conceive t…
Performance Analysis of Multiple-Antenna Ambient Backscatter Systems at Finite Blocklengths
Likun Sui, Zihuai Lin, Pei Xiao +2
This paper analyzes the maximal achievable rate for a given blocklength and error probability over a multiple-antenna ambient backscatter channel with perfect channel state informa…
Designing Enhanced Multi-dimensional Constellations for Code-Domain NOMA
Haifeng Wen, Zilong Liu, Qu Luo +2
This paper presents an enhanced design of multi-dimensional (MD) constellations which play a pivotal role in many communication systems such as code-domain non-orthogonal multiple…
Simultaneous Transmission and Reflection Reconfigurable Intelligent Surface Assisted MIMO Systems
Hehao Niu, Zheng Chu, Fuhui Zhou +2
In this work, we investigate a novel simultaneous transmission and reflection reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output downlink system, wher…
A Tutorial to Sparse Code Multiple Access
Saumya Chaturvedi, Zilong Liu, Vivek Ashok Bohara +2
Sparse Code Multiple Access (SCMA) is an enabling code-domain non-orthogonal multiple access (NOMA)scheme for massive connectivity and ultra low-latency in future machine-type comm…
A Novel Transmission Policy for Intelligent Reflecting Surface Assisted Wireless Powered Sensor Networks
Zheng Chu, Pei Xiao, De Mi +3
This paper proposes a novel transmission policy for an intelligent reflecting surface (IRS) assisted wireless powered sensor network (WPSN). An IRS is deployed to enhance the perfo…
Sparse Code Multiple Access for 6G Wireless Communication Networks: Recent Advances and Future Directions
Lisu Yu, Zilong Liu, Miaowen Wen +4
As 5G networks rolling out in many different countries nowadays, the time has come to investigate how to upgrade and expand them towards 6G, where the latter is expected to realize…
Design of Power-Imbalanced SCMA Codebook
Xudong Li, Zhicheng Gao, Yiming Gui +3
Sparse code multiple access (SCMA) is a promising multiuser communication technique for the enabling of future massive machine-type networks. Unlike existing codebook design scheme…
Characterizing Inter-Numerology Interference in Mixed-Numerology OFDM Systems
Juquan Mao, Lei Zhang, Stephen McWade +2
The advent of mixed-numerology multi-carrier (MN-MC) techniques adds flexibilities in supporting heterogeneous services in fifth generation (5G) communication systems and beyond. H…
Robust Design for Intelligent Reflecting Surface Assisted MIMO-OFDMA Terahertz Communications
Wanming Hao, Gangcan Sun, Ming Zeng +4
Recently, terahertz (THz) communication has drawn considerable attention as one of the promising technologies for the future wireless communications owning to its ultra-wide bandwi…
5G NR-V2X: Towards Connected and Cooperative Autonomous Driving
Hamidreza Bagheri, Md Noor-A-Rahim, Zilong Liu +4
This paper is concerned with the key features and fundamental technology components for 5G New Radio (NR) for genuine realization of connected and cooperative autonomous driving. W…
Energy-Efficient Hybrid Precoding Design for Integrated Multicast-Unicast Millimeter Wave Communications with SWIPT
Wanming Hao, Gangcan Sun, Fuhui Zhou +4
In this paper, we investigate the energy-efficient hybrid precoding design for integrated multicast-unicast millimeter wave (mmWave) system, where the simultaneous wireless informa…