356 citations · 613 across the 44 of their papers we have counts for
29 papers · 1 filter
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…
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…
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…
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…
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…
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…
Edge Cache-assisted Secure Low-Latency Millimeter Wave Transmission
Wanming Hao, Ming Zeng, Gangcan Sun +1
In this paper, we consider an edge cache-assisted millimeter wave cloud radio access network (C-RAN). Each remote radio head (RRH) in the C-RAN has a local cache, which can pre-fet…
Secure Millimeter Wave Cloud Radio Access Networks Relying on Microwave Multicast Fronthaul
Wanming Hao, Gangcan Sun, Jiankang Zhang +2
In this paper, we investigate the downlink secure beamforming (BF) design problem of cloud radio access networks (C-RANs) relying on multicast fronthaul, where millimeter-wave and…
Rate-Splitting for Multigroup Multicast Beamforming in Multicarrier Systems
Hongzhi Chen, De Mi, Zheng Chu +2
In this paper, we consider multigroup multicast transmissions with different types of service messages in an overloaded multicarrier system, where the number of transmitter antenna…
Power-Imbalanced Low-Density Signatures (LDS) From Eisenstein Numbers
Zilong Liu, Pei Xiao, Zeina Mheich
As a special case of sparse code multiple access (SCMA), low-density signatures based code-division multiple access (LDS-CDMA) was widely believed to have worse error rate performa…
Low-PAPR Preamble Design for FBMC Systems
Zilong Liu, Pei Xiao, Su Hu
This paper presents a family of training preambles for offset QAM (OQAM) based filter-bank multi-carrier (FBMC) modulations with low peak-to-average power ratio (PAPR) property. We…
A Survey on Resource Allocation in Vehicular Networks
Md. Noor-A-Rahim, Zilong Liu, Haeyoung Lee +3
Vehicular networks, an enabling technology for Intelligent Transportation System (ITS), smart cities, and autonomous driving, can deliver numerous on-board data services, e.g., roa…
Cross Z-Complementary Pairs for Optimal Training in Spatial Modulation over Frequency Selective Channels
Zilong Liu, Ping Yang, Yong Liang Guan +1
The contributions of this paper are twofold: Firstly, we introduce a novel class of sequence pairs, called "cross Z-complementary pairs (CZCPs)", each displaying zero-correlation z…