Improving the Security and Spectrum Efficiency in Overlay Cognitive Full-Duplex Wireless Networks
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2918617
Abstract: In this paper, we design a new collaboration interference (CI) transmission scheme for overlay cognitive full-duplex wireless wiretap networks, where a full-duplex secondary user utilizes the licensed spectrum to transmit the secondary information and uses… read more here.
Keywords: full duplex; overlay cognitive; cognitive full; transmission ... See more keywords
Overlay Cognitive Radio Networks Enabled Energy Harvesting With Random AF Relays
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3216308
Abstract: In this paper, we investigate an overlay cognitive radio network (CRN) in which one user is selected among multiple secondary users (SUs) to harvest energy from primary transmissions using a time-switching protocol. Based on a… read more here.
Keywords: networks enabled; radio networks; energy; overlay cognitive ... See more keywords
Performance Analysis of Hardware-Impaired Overlay Cognitive Satellite–Terrestrial Networks With Adaptive Relaying Protocol
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DOI: 10.1109/jsyst.2020.2967836
Abstract: In this article, we consider an overlay cognitive hybrid satellite–terrestrial network consisting of a primary satellite source–receiver pair and a secondary transmitter–receiver pair on the ground while taking into account the practical hardware impairments (HIs)… read more here.
Keywords: overlay cognitive; satellite; performance; hardware ... See more keywords
Energy Harvesting in Overlay Cognitive NOMA Systems With Hardware Impairments
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3082552
Abstract: Combining energy harvesting with cognitive radio and nonorthogonal multiple access (NOMA) techniques will be a notable candidate for improving both energy and spectral efficiency of wireless systems. In this article, we appraise the performance of… read more here.
Keywords: energy harvesting; cognitive noma; energy; overlay cognitive ... See more keywords
Optimal Cooperative Transmission for Overlay Cognitive Satellite Terrestrial Networks
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DOI: 10.1109/lcomm.2021.3131599
Abstract: In this letter, we investigate an overlay cognitive satellite terrestrial network, where the secondary terrestrial network cooperates with the primary satellite network for spectrum access in a time splitting manner. To maximize the spectrum efficiency… read more here.
Keywords: cognitive satellite; transmission; overlay cognitive; satellite terrestrial ... See more keywords
NOMA-Based Overlay Cognitive Integrated Satellite-Terrestrial Relay Networks With Secondary Network Selection
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2021.3122029
Abstract: In this paper, we investigate the performance of non-orthogonal multiple access (NOMA)-based overlay cognitive integrated satellite-terrestrial relay network with secondary network selection, where the selected secondary network accesses the licensed spectrum by assisting the communication… read more here.
Keywords: network; noma based; based overlay; overlay cognitive ... See more keywords
Overlay Cognitive Radio NOMA Networks with Selected Relay and Direct Link
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Intelligent Engineering and Systems"
DOI: 10.22266/ijies2020.0229.17
Abstract: In this paper, we propose an overlay cognitive radio (CR) non-orthogonal multiple access (NOMA) network to improve the performance of the primary receiver (PR) as well as the secondary receiver (SR). To accomplish the purpose,… read more here.
Keywords: selected relay; overlay cognitive; performance; cognitive radio ... See more keywords