Outage and error-rate analysis of NOMA-inspired multicarrier underlay cognitive radio system

P Shachi, T Sanjana, KR Sudhindra, MN Suma - IEEE Access, 2022 - ieeexplore.ieee.org
In this paper, the performance of a multicarrier underlay cognitive radio system is analyzed
considering that the successive interference cancellation (SIC) method is used for detection …

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 …

Outage analysis of cooperative noma based hybrid cognitive radio system with channel estimation errors

S Singh, M Bansal - Physical Communication, 2021 - Elsevier
This paper analyze a new cooperative hybrid underlay–overlay cognitive radio non-
orthogonal multiple access (CHCR-NOMA) system, where a secondary source and a …

On the performance of STBC-NOMA assisted overlay cognitive system under CEEs and imperfect SIC

S Singh, M Bansal - Vehicular Communications, 2023 - Elsevier
In future wireless networks, the synergy of non-orthogonal multiple access (NOMA) and
cognitive radio (CR) can provide higher spectral efficiency and increased data rate. In this …

Performance analysis of overlay cognitive NOMA systems with imperfect successive interference cancellation

L Luo, Q Li, J Cheng - IEEE Transactions on Communications, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are envisioned as
promising solutions to achieve high spectral efficiency for future wireless networks. This …

Cognitive NOMA with blind transmission-mode identification

H Yahya, E Alsusa, A Al-Dweik… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work presents a novel nonorthogonal multiple access (NOMA) cognitive radio (CR)
system where the base station (BS) opportunistically multiplexes the secondary user (SU) …

Joint impacts of imperfect CSI and imperfect SIC in cognitive radio-assisted NOMA-V2X communications

DT Do, TA Le, TN Nguyen, X Li, KM Rabie - IEEE Access, 2020 - ieeexplore.ieee.org
In this study, the performance of a secondary network in cognitive radio (CR) is studied in
the context of vehicle-to-everything (V2X). The non-orthogonal multiple access (NOMA) is …

Performance analysis of NOMA-based AF cooperative overlay system with imperfect CSI and SIC

S Singh, M Bansal - IEEE Access, 2021 - ieeexplore.ieee.org
This paper studies a new amplify-and-forward cooperative overlay cognitive radio (CR) non-
orthogonal multiple access (AFCO-NOMA) system, where a primary network shares its …

[PDF][PDF] Outage Capacity Analysis for Cognitive Non-Orthogonal Multiple Access Downlink Transmissions Systems in the Presence of Channel Estimation Error.

Y Zhang, Y Dong, L Wang, J Liu… - … , Materials & Continua, 2019 - cdn.techscience.cn
In this paper, we propose a downlink cognitive non-orthogonal multiple access (NOMA)
network, where the secondary users (SUs) operate in underlay mode. In the network …

Spectrum resource optimization for NOMA-based cognitive radio in 5G communications

X Liu, Y Wang, S Liu, J Meng - IEEE Access, 2018 - ieeexplore.ieee.org
In traditional cognitive radio (CR), secondary user (SU) can only access the idle spectrum
when primary user (PU) is absent, which has to vacate the spectrum when detecting the …