When NOMA meets multiuser cognitive radio: Opportunistic cooperation and user scheduling

L Lv, L Yang, H Jiang, TH Luan… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… as well by NOMA signaling. And we focus on user scheduling to select one secondary user
to … • Novel framework: We propose a novel NOMA assisted cooperative spectrum sharing …

Cooperative mode switching-based cognitive NOMA with transmit antenna and user selection

A Mukherjee, P Chakraborty… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Selection (MTP-TAS), Best NU-Best FU (BNBF) selection, and optimal power allocation,
thereby also motivating NOMA … The selection mechanisms are designed in a way that additional …

Research on cognitive power allocation for secure millimeter-wave NOMA networks

Y Song, W Yang, Z Xiang, H Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
cognitive power allocation scheme to evaluate the reliability and secrecy performance of
secondary user in mmWave NOMAusers from different regions will be selected to implement …

Performance of adaptive multi-user underlay NOMA transmission with simple user selection

A Jee, K Janghel, S Prakriya - IEEE Transactions on Cognitive …, 2022 - ieeexplore.ieee.org
… [14]) that with careful user selection and switching between NOMA and OMA, it is possible …
CR networks using NOMA. In this paper, we demonstrate that a simple user selection scheme …

Joint sensing duration adaptation, user matching, and power allocation for cognitive OFDM-NOMA systems

W Xu, X Li, CH Lee, M Pan… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… Thus, in this section, we consider a simplified case that at most two users are selected to
utilize one subcarrier, namely, we let Kmax = 2. Due to the presence of CCI, the objective …

NOMA-based cognitive spectrum access for 5G-enabled Internet of Things

X Liu, B Lin, M Zhou, M Jia - IEEE Network, 2021 - ieeexplore.ieee.org
NOMA to solve the problems of uRLLC and mMTC in the 5G-enabled IoT. This article studies
NOMA-based cognitive … 3, the idle subcarriers are selected via spectrum sensing, and then …

Physical layer security analysis of cognitive NOMA Internet of Things networks

M Li, H Yuan, C Maple, W Cheng… - IEEE Systems …, 2022 - ieeexplore.ieee.org
… of cooperative NOMA cognitive wireless networks. Furthermore, a cognitive collaboration …
also consider a suboptimal cognitive user selection scheme for E-MCU-CR-NOMA system …

Antenna selection in MIMO cognitive radio-inspired NOMA systems

Y Yu, H Chen, Y Li, Z Ding… - IEEE Communications …, 2017 - ieeexplore.ieee.org
NOMA and CR, a cognitive radio-inspired NOMA (CR-NOMA) scheme was proposed and
studied in [3]. In CR-NOMA, the unlicensed secondary users … the licensed primary users (PU) is …

Error performance of NOMA-based cognitive radio networks with partial relay selection and interference power constraints

L Bariah, S Muhaidat, A Al-Dweik - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… data rate of NOMA users [28]–[30] … two users, which greatly simplifies the system analysis.
In this work, we consider partial relay selection [31] with L NOMA users, where the selection

Best relay selection schemes for NOMA based cognitive relay networks in underlay spectrum sharing

K Sultan - IEEE Access, 2020 - ieeexplore.ieee.org
selection in cognitive and non-cognitive cooperative NOMA networks. However, relay selection
in underlay NCRNs is still in its infancy and the aforementioned schemes [24]-[27] select