Performance of cooperative NOMA systems with cognitive user relay

NS Kim - The Journal of the Institute of Internet, Broadcasting …, 2018 - koreascience.kr
user under the limited interference. Hence, we consider the combination of NOMA and cognitive
… For the cooperation, a relay is selected among near users, and the selection combining …

Secure transmission for NOMA-based cognitive radio networks with imperfect CSI

Z Shang, T Zhang, G Hu, Y Cai… - IEEE Communications …, 2021 - ieeexplore.ieee.org
… exists the security issue in building effective cognitive NOMA in practice. Responding to
this, … can use [12], where the BS adapts its power such that the PUs can maintain a pre-selected

Energy-efficient D2D-assisted computation offloading in NOMA-enabled cognitive networks

Y Cheng, C Liang, Q Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
… energy minimization problem for computation offloading in cognitive radio networks (CRNs). …
“Error performance of NOMA-based cognitive radio networks with partial relay selection and …

Interplay between NOMA and other emerging technologies: A survey

M Vaezi, GAA Baduge, Y Liu, A Arafa… - … on Cognitive …, 2019 - ieeexplore.ieee.org
… Three user selection schemes are proposed based on the user distances from the base
station. Although cooperative NOMA is capable of enhancing the performance of poor user’s, it …

Power allocation technique with soft performance guarantees in hybrid ofdma–noma cognitive radio systems: Modeling and simulation

HB Salameh, R Tashtoush, H Al-Obiedollah… - … Modelling Practice and …, 2021 - Elsevier
… Therefore, prior to allocating the available resources, we discuss later in this paper the
grouping strategy that is utilized to select the users in each cluster. In fact, The K CR …

Secure 5G downlink NOMA cognitive relay network: joint the impact of imperfect spectrum sensing and outdated CSI

M Zhang, X Wang, E Li, G Yang, X Wang - Wireless Networks, 2024 - Springer
… relay selection method is used by considering two users of … performance for two NOMA
cognitive secondary users, eg, … (CSI), imperfect spectrum sensing, NOMA power allocation and …

Outage performance of NOMA in cooperative cognitive radio networks with SWIPT

Y Yu, Z Yang, Y Wu, JA Hussein, WK Jia… - IEEE Access, 2019 - ieeexplore.ieee.org
users’ quality of service (QoS), some two-stage relay selection strategies for the cooperative
NOMA … Two studies [12], [13] have considered cooperative cognitive radio (CR) NOMA

Resource allocation in heterogeneous cognitive radio network with non-orthogonal multiple access

W Xu, R Qiu, XQ Jiang - IEEE Access, 2019 - ieeexplore.ieee.org
… a joint antenna selection problem in MIMO CR-inspired NOMAcognitive NOMAOFDM system.
In [15], the security of CR … • In multiple NOMA users scenario, we formulate a novel NOMA

… for Multihop Cognitive DF and AF Relaying Protocols under Joint Impact of Interference and Hardware Noises: NOMA for Primary Network and Best‐Path Selection for …

TT Duy, PTD Ngoc, PT Tran - Wireless Communications and …, 2021 - Wiley Online Library
… We also propose an uplink NOMA method to increase the data rate for the primary … NOMA
to enhance the system throughput. Unlike [34, 35], this paper concerns with path selection

Enhancing security of primary user in underlay cognitive radio networks with secondary user selection

M Qin, S Yang, H Deng, MH Lee - IEEE Access, 2018 - ieeexplore.ieee.org
… Inspired by non-orthogonal multiple access (NOMA) strategy, we then propose a maximal
jamming rate based scheme, where the secondary with maximal interference channel is …