CK Singh, PK Upadhyay - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
Energy harvesting with cognitive radio and nonorthogonal multiple access (NOMA) techniques offer a promising solution to enhance the spectral and energy efficiency in …
V Singh, PK Upadhyay - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
In this paper, we consider an underlay cognitive hybridsatellite-terrestrial network (CHSTN) which constitutes a primary satellite source communicating with its multiple terrestrial …
P Yan, X Ji, Y Zou, B Li - IEEE Transactions on Cognitive …, 2023 - ieeexplore.ieee.org
We investigate physical-layer security for a multiuser underlay cognitive system with hardware impairments (HIs) and channel estimation errors (CEEs), which comprises …
Ambient backscatter communication (AmBC) is an emerging technology that has the potential to offer spectral-and energy-efficient solutions for the next generation wireless …
AK Shukla, J Sharanya, K Yadav… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
This article proposes a simultaneous wireless information and power transfer (SWIPT)- enabled Internet of Things (IoT)-based cognitive nonorthogonal multiple access (NOMA) …
This work presents a novel nonorthogonal multiple access (NOMA) cognitive radio (CR) system where the base station (BS) opportunistically multiplexes the secondary user (SU) …
In this paper, we investigate the effectiveness of an overlay cognitive radio (OCR) coupled with non-orthogonal multiple access (NOMA) system using a full-duplex (FD) cooperative …
The residual hardware impairments originating from transceiver hardware such as phase noise, amplifier non-linearity, in-phase, and quadrature imbalances create distortion noises …
S Thakur, A Singh, S Majhi - IEEE Transactions on Cognitive …, 2023 - ieeexplore.ieee.org
The presence of correlated and imperfect channel state information (CSI) affects the secrecy performance of cognitive radio networks (CRN). In this paper, we propose a physical layer …