activity
20172026
most citedUplink Non-Orthogonal Multiple Access for 5G Wireless Networks

356 citations · 613 across the 44 of their papers we have counts for

collaborators
Showing 2022Show all

12 papers · 1 filter

cs.IT2022★ 3 cited

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…

cs.IT2022

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…

cs.IT2022★ 3 cited

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…

cs.IT2022

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…

cs.IT2022★ 6 cited

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…

cs.IT2022

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…

cs.IT2022

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…

eess.SP2022

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…

cs.IT2022★ 10 cited

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…

eess.SP2022★ 38 cited

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…

cs.IT2022

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…

cs.IT2022★ 1 cited

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…