Exploiting Deep Learning in the Performance Evaluation of EH-Based Coordinated Direct and Relay Transmission System With Cognitive NOMA

This letter investigates an energy harvesting (EH)-assisted coordinated direct and relay transmission in an overlay cognitive non-orthogonal multiple access (NOMA) system assuming perfect and imperfect successive interference cancellation. Specifically, we derive analytical expressions of the outage...

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Bibliographic Details
Published in:IEEE communications letters 2023-06, Vol.27 (6), p.1501-1505
Main Authors: Shukla, Alok Kumar, Yadav, Kajal, Upadhyay, Prabhat Kumar, Moualeu, Jules M.
Format: Article
Language:English
Subjects:
Cognitive radio
coordinated direct and relay transmission
Deep learning
Energy harvesting
Exact solutions
Infinite series
Interference cancellation
Mathematical analysis
NOMA
Nonorthogonal multiple access
Performance evaluation
Relay
Relays
Signal to noise ratio
SWIPT
Throughput
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Summary:This letter investigates an energy harvesting (EH)-assisted coordinated direct and relay transmission in an overlay cognitive non-orthogonal multiple access (NOMA) system assuming perfect and imperfect successive interference cancellation. Specifically, we derive analytical expressions of the outage probability (OP) which include an infinite series, system throughput, and energy efficiency. Moreover, an asymptotic analysis of the OP in the high signal-to-noise ratio is carried out. Closed-form expressions of the exact OP and the ergodic sum capacity (ESC) are intractable owing to the complexity of the proposed scheme. To tackle this problem, we propose a deep learning (DL) framework to predict both the OP and ESC performances. The predicted results through the DL framework are shown to be consistent with the numerical results.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2023.3258665