Comparative Analysis of Ergodic Sum Capacity of Cooperative NOMA Aided with Spatial Modulation
Sign Up to like & getrecommendations! Published in 2022 at "Wireless Personal Communications"
DOI: 10.1007/s11277-021-09313-2
Abstract: Non-Orthogonal Multiple Access (NOMA) is one of the upsurging various access techniques for beyond 5G networks due to its high spectral efficiency. Combining Multiple-Input and Multiple-Output (MIMO) and NOMA provides significantly effective multiple access with… read more here.
Keywords: cooperative noma; sum capacity; spatial modulation; noma ... See more keywords
Secrecy analysis of a cooperative NOMA network using an EH untrusted relay
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Electronics"
DOI: 10.1080/00207217.2019.1570554
Abstract: ABSTRACT In this paper, a down-link non-orthogonal multiple access (NOMA) system with imperfect successive interference cancellation (SIC) using Energy-Harvesting untrusted relays is investigated. These relaying nodes use in this study use a power-switching architecture to… read more here.
Keywords: analysis cooperative; system; relay; secrecy analysis ... See more keywords
Optimized Power Allocation for a Cooperative NOMA System with SWIPT and an Energy-Harvesting User
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DOI: 10.1080/00207217.2020.1756432
Abstract: ABSTRACT This paper investigates the solution to an optimisation problem to minimise the total transmission power at the transmitter in a cooperative non-orthogonal multiple access (NOMA) system with simultaneous wireless information and power transfer (SWIPT)… read more here.
Keywords: noma system; power; energy harvesting; problem ... See more keywords
Full-duplex cooperative NOMA system under impacts of residual SI and MAI
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Electronics"
DOI: 10.1080/00207217.2020.1818844
Abstract: ABSTRACT In this paper, we investigate the performance of a downlink cooperative non-orthogonal multiple access (C-NOMA) system with full-duplex decode-and-forward relaying, where a NOMA user with better channel operates as a full-duplex (FD) relay to… read more here.
Keywords: system; cooperative noma; impacts residual; noma ... See more keywords
Secrecy Outage Performance Analysis for Cooperative NOMA Over Nakagami- $m$ Channel
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2923450
Abstract: In this paper, we investigate the secrecy outage performance of a typical cooperative downlink non-orthogonal multiple access (NOMA) system over Nakagami-m fading channel, in which the base station transmits a superimposed signal to two users… read more here.
Keywords: performance; cooperative noma; secrecy outage; outage performance ... See more keywords
A Unified Performance Analysis of Cooperative NOMA With Practical Constraints: Hardware Impairment, Imperfect SIC and CSI
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3230650
Abstract: Non-orthogonal multiple access (NOMA) has been a strong candidate to support massive connectivity in future wireless networks. In this regard, its implementation into cooperative relaying, named cooperative-NOMA (CNOMA), has received tremendous attention from researchers. However,… read more here.
Keywords: cooperative noma; practical constraints; noma practical; cnoma schemes ... See more keywords
Design and Evaluation of Buffer-Aided Cooperative NOMA With Direct Transmission in IoT
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2020.3042505
Abstract: The high spectrum efficiency of nonorthogonal multiple access (NOMA) is attractive to solve the massive number of connections in the Internet of Things (IoT). This article investigates a buffer-aided cooperative NOMA (C-NOMA) system in the… read more here.
Keywords: aided cooperative; buffer aided; noma; transmission ... See more keywords
Outage Performance for Cooperative NOMA Transmission with an AF Relay
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DOI: 10.1109/lcomm.2017.2681661
Abstract: This letter studies the outage performance of cooperative non-orthogonal multiple access (NOMA) network by adopting an amplify-and-forward relay. An accurate approximation for the outage probability is derived and then the asymptotic behaviors are investigated. It… read more here.
Keywords: performance cooperative; outage performance; cooperative noma; relay ... See more keywords
Energy Efficiency–Delay Tradeoff for a Cooperative NOMA System
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DOI: 10.1109/lcomm.2019.2900320
Abstract: The tradeoff between the energy efficiency (EE) and delay problem in the cooperative relaying system is studied by using non-orthogonal multiple access (NOMA) in this letter. To obtain an efficiency tradeoff between EE and delay,… read more here.
Keywords: energy efficiency; system; cooperative noma; noma system ... See more keywords
Cooperative NOMA-MEC With Helper Scheduling
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DOI: 10.1109/lcomm.2022.3165847
Abstract: This letter investigates the cooperative computing in a non-orthogonal multiple access (NOMA)-enabled mobile edge computing (MEC) system consisting of one edge server, one user equipment (UE) and $M$ full-duplex helpers. For this system, we design… read more here.
Keywords: helper scheduling; mec helper; cooperative noma; noma mec ... See more keywords
On the Achievable Capacity of Cooperative NOMA Networks: RIS or Relay?
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3169806
Abstract: In this letter, a novel reconfigurable intelligent surface (RIS)- and relay-assisted cooperative network with non-orthogonal multiple access (NOMA) is proposed, where the line-of-sight (LoS) and non-LoS (NLoS) scenarios are both considered for different locations of… read more here.
Keywords: relay; achievable capacity; cooperative noma; ris relay ... See more keywords