1.8k citations · 9k across the 167 of their papers we have counts for
27 papers · 1 filter
Grant-Free Random Access in Machine-Type Communication: Approaches and Challenges
Jinho Choi, Jie Ding, Ngoc Phuc Le +1
Massive machine-type communication (MTC) is expected to play a key role in supporting Internet of Things (IoT) applications such as smart cities, smart factory, and connected vehic…
Covert Communication in Intelligent Reflecting Surface-Assisted NOMA Systems: Design, Analysis, and Optimization
Lu Lv, Qingqing Wu, Zan Li +3
In this paper, we investigate covert communication in an intelligent reflecting surface (IRS)-assisted non-orthogonal multiple access (NOMA) system, where a legitimate transmitter…
IRS-Assisted Massive MIMO-NOMA Networks: Exploiting Wave Polarization
Arthur S. de Sena, Pedro H. J. Nardelli, Daniel B. da Costa +5
A dual-polarized intelligent reflecting surface (IRS) can contribute to a better multiplexing of interfering wireless users. In this paper, we use this feature to improve the perfo…
Multiple Transmit Power Levels based NOMA for Massive Machine-type Communications
Wenqiang Yi, Wenjuan Yu, Yuanwei Liu +3
This paper proposes a tractable solution for integrating non-orthogonal multiple access (NOMA) into massive machine-type communications (mMTC) to increase the uplink connectivity.…
On the performance of downlink NOMA in underlay spectrum sharing
Vaibhav Kumar, Zhiguo Ding, Mark F. Flanagan
Non-orthogonal multiple access (NOMA) and spectrum sharing are two potential technologies for providing massive connectivity in beyond fifth-generation (B5G) networks. In this pape…
Semi-Grant-Free NOMA: Ergodic Rates Analysis with Random Deployed Users
Chao Zhang, Yuanwei Liu, Wenqiang Yi +2
Semi-grant-free (Semi-GF) non-orthogonal multiple access (NOMA) enables grant-free (GF) and grant-based (GB) users to share the same resource blocks, thereby balancing the connecti…