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cooperative NOMA

Joint Robust Beamforming and Power Splitting Ratio Design in SWIPT Based Cooperative NOMA Systems With CSI Uncertainty

Joint Robust Beamforming and Power Splitting Ratio Design in SWIPT Based Cooperative NOMA Systems With CSI Uncertainty

... the cooperative NOMA scheme in [12], [14], [20]–[22] is based on the assumption that channel state information (CSI) between the transmitter and all users is perfectly known by the ...conventional ...

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Secrecy analysis for cooperative NOMA networks with multi antenna full duplex relay

Secrecy analysis for cooperative NOMA networks with multi antenna full duplex relay

... For NOMA, only a few works have studied its security problem from the perspective of PLS ...the NOMA system with the hybrid multicast- unicast ...a NOMA system with secrecy outage constraint ...

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Robust Transmit Beamforming for SWIPT Enabled Cooperative NOMA with Channel Uncertainties

Robust Transmit Beamforming for SWIPT Enabled Cooperative NOMA with Channel Uncertainties

... robust cooperative NOMA scheme becomes more significant since the gap between the proposed model and the other two schemes becomes ...two NOMA schemes illustrated in this figure yield better ...

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Outage Constrained Robust Beamforming Design for SWIPT Enabled Cooperative NOMA System

Outage Constrained Robust Beamforming Design for SWIPT Enabled Cooperative NOMA System

... the cooperative non-orthogonal multiple access (NOMA) protocol ...novel cooperative NOMA scheme is proposed, where a strong user with better channel conditions adopts power splitting (PS) ...

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Performance Analysis of User Ordering Schemes in Cooperative Power Domain Non Orthogonal Multiple Access Network

Performance Analysis of User Ordering Schemes in Cooperative Power Domain Non Orthogonal Multiple Access Network

... analyze cooperative NOMA systems, some key issues may still remain, and one of which is the user ...of NOMA depends critically on SIC strategy which requires appropriate user ordering ...in ...

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Enhancing Physical Layer Security for Cooperative Non-Orthogonal Multiple Access Networks with Artificial Noise

Enhancing Physical Layer Security for Cooperative Non-Orthogonal Multiple Access Networks with Artificial Noise

... in NOMA system, in which the better channel condition helps the users decode the message from ...The NOMA cooperative relaying system is studied in the work [9] which also suggested the most suitable ...

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Privacy preservation via beamforming for NOMA

Privacy preservation via beamforming for NOMA

... power-domain NOMA, the users’ signals are superposed through power multiplexing based on their channel ...power-domain NOMA for cellular radio access was studied by Saito et ...downlink NOMA with SIC ...

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Multi-Points Cooperative Relay in NOMA System with N-1 DF Relaying Nodes in HD/FD mode for N User Equipments with Energy Harvesting

Multi-Points Cooperative Relay in NOMA System with N-1 DF Relaying Nodes in HD/FD mode for N User Equipments with Energy Harvesting

... of cooperative NOMA on the performance system ...best cooperative mechanism (BCM) for wireless energy harvesting and spectrum sharing in 5G ...that cooperative NOMA system over Rayleigh ...

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A hybrid TIM-NOMA scheme for the Broadcast Channel

A hybrid TIM-NOMA scheme for the Broadcast Channel

... the NOMA scheme, multiple users are superimposed in the power domain and Successful Interference Cancellation (SIC) reception is performed at the decoding stage, ultimately improving the capacity and throughput ...

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A novel spectrum sharing scheme assisted by secondary NOMA relay

A novel spectrum sharing scheme assisted by secondary NOMA relay

... Recently, NOMA has attracted a lot of interest from both academia and industry, due to its superiority in improving throughput, reducing latency and achieving massive connectiv- ity ...of NOMA, when the ...

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On the performance of an enhanced transmission scheme for cooperative relay networks with NOMA

On the performance of an enhanced transmission scheme for cooperative relay networks with NOMA

... a NOMA wireless net- work with a one-way orthogonal frequency division mul- tiplexing (OFDM) AF relay in order to optimize sub- channel assignment and power ...the NOMA-based cooperative AF relaying ...

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Effects of residual hardware impairments on secure NOMA based cooperative systems

Effects of residual hardware impairments on secure NOMA based cooperative systems

... of NOMA, recently a few works considering the impact of hardware impairments on NOMA systems have emerged such as [36] where the effects of common RF impairments on NOMA are ...multi-carrier ...

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Uplink precoding optimization for NOMA cellular connected UAV networks

Uplink precoding optimization for NOMA cellular connected UAV networks

... In NOMA schemes, successive interference cancellation (SIC) is applied at receivers to cancel the multi-user interference with PA at ...to NOMA systems, Ding et ...[25]. NOMA can also be exploited in ...

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Systematic analysis and strategic review of MIMO NOMA systems

Systematic analysis and strategic review of MIMO NOMA systems

... MIMO- NOMA model [52], designed for downlink and uplink transmission failed to consider CSI while designing MIMO-NOMA ...optimal NOMA transmission schemes of multi-cell networks and the optimization ...

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On Short Term Fairness and Throughput of User Clustering for Downlink Non Orthogonal Multiple Access System

On Short Term Fairness and Throughput of User Clustering for Downlink Non Orthogonal Multiple Access System

... downlink NOMA with zero forcing beamforming (PF-NOMA-ZFBF) in order to improve the throughput-fairness trade-off for NOMA ...of NOMA system. Simulation results show that the proposed ...

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NOMA enhanced computation over multi access channels

NOMA enhanced computation over multi access channels

... from NOMA for information transmission, NOMA-based CoMAC (NOMA-CoMAC) su- perposes multiple functions instead of different bit sequences from different nodes in each ...conventional NOMA to ...

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Placement and power allocation for NOMA UAV networks

Placement and power allocation for NOMA UAV networks

... First, the locations of the UAV and mobile users are shown in Fig. 1, where 6 users are randomly deployed in the horizontal dimension, which are marked by blue circles. Meanwhile, three locations are selected for the ...

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On the application of quasi degradation to MISO NOMA downlink

On the application of quasi degradation to MISO NOMA downlink

... by NOMA for the special case of two ...Hybrid NOMA (H- NOMA) precoding algorithm with closed-form expressions is presented, and a sequential user pairing algorithm (SUPA) is proposed, which is used ...

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On the optimal user grouping in NOMA system technology

On the optimal user grouping in NOMA system technology

... As regards the P-NOMA, the performance of these systems strongly depend on the adopted power allo- cation scheme. Indeed, based on users’ channel con- ditions, the transmitter needs to carefully choose the proper ...

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Secure transmission via beamforming optimization for NOMA Networks

Secure transmission via beamforming optimization for NOMA Networks

... multi-antenna NOMA systems owing to the advantage of prominent array gains and system ...(MISO) NOMA system through optimizing linear precoding ...(MIMO) NOMA networks, and the idea of signal ...

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