Hardware and interference limited cooperative CR-NOMA networks under imperfect SIC and CSI

S Arzykulov, G Nauryzbayev, A Celik… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
The conflation of cognitive radio (CR) and non-orthogonal multiple access (NOMA) concepts
is a promising approach to fulfill the massive connectivity goals of future networks given the …

Outage performance of cooperative underlay CR-NOMA with imperfect CSI

S Arzykulov, TA Tsiftsis, G Nauryzbayev… - IEEE …, 2018 - ieeexplore.ieee.org
In this letter, a decode-and-forward cooperative underlay cognitive radio (CR) non-
orthogonal multiple access (NOMA) network is studied. Exact closed-form expressions for …

Two-stage adaptive relay selection and power allocation strategy for cooperative CR-NOMA networks in underlay spectrum sharing

S Li, W Liang, V Pla, N Yang, S Yang - Applied Sciences, 2021 - mdpi.com
In this paper, we consider a novel cooperative underlay cognitive radio network based on
non-orthogonal multiple access (CR-NOMA) with adaptive relay selection and power …

Spectrum sharing in cognitive-radio-inspired NOMA systems under imperfect SIC and cochannel interference

BM ElHalawany, AAA El-Banna, QV Pham… - IEEE Systems …, 2021 - ieeexplore.ieee.org
In this article, we investigate the performance of spectrum sharing inunderlay cognitive radio
(CR)-inspired nonorthogonal multiple access (NOMA) systems, at which a primary …

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
Non-orthogonal multiple access (NOMA)-based cognitive radio (CR) networks have recently
emerged as a promising solution to enhance the spectral efficiency and massive …

NOMA in cooperative underlay cognitive radio networks under imperfect SIC

DT Do, AT Le, BM Lee - IEEE Access, 2020 - ieeexplore.ieee.org
In conventional cognitive radio (CR), the users in secondary network (SN) can only access
the idle spectrum when users in primary network (PN) are absent. This novel strategy …

On performance analysis of underlay cognitive radio-aware hybrid OMA/NOMA networks with imperfect CSI

DT Do, AT Le, BM Lee - Electronics, 2019 - mdpi.com
This study considers the outage and throughput performance of downlink in the secondary
network of cognitive radio assisted non-orthogonal multiple access (NOMA) systems. Both …

Rate-splitting multiple access-based cognitive radio network with ipSIC and CEEs

X Gao, X Li, C Han, M Zeng, H Liu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this paper, we study the outage and ergodic rate performance of a rate-splitting multiple
access (RSMA)-based cognitive radio (CR) system, where the secondary transmitter aims to …

Outage performance of partial relay selection in underlay CR-NOMA networks

C Li, D Guo, K Guo, Y Qin, R Xu - 2019 28th Wireless and …, 2019 - ieeexplore.ieee.org
This paper investigates the impact of partial relay selection scheme (PRSS) on cooperative
underlay cognitive radio (CR) non-orthogonal multiple access (NOMA) networks. Decode …

Overlay CR-NOMA Assisted Intelligent Transportation System Networks with Imperfect SIC and CEEs

L Xingwang, G Xuesong, L Yingting… - Chinese Journal of …, 2023 - ieeexplore.ieee.org
With the development of the mobile communication and intelligent information technologies,
the intelligent transportation systems driven by the sixth generation (6G) has many …