Abstract
An adaptive energy harvesting relay based Non-Orthogonal Multiple Access (NOMA) network is investigated where three schemes of energy harvesting adaptations utilizing power splitting relaying (PSR) are proposed. A comparative study of proposed adaptive PSR schemes, employing partial relay selection in NOMA relaying network is carried out. The proposed adaptive energy harvesting schemes outperform fixed PSR based energy harvesting in NOMA network as per priority of signals. It is observed that the imperfection of successive interference cancellation can significantly degrade the performance of strong signal (x 2 ). The statistics of power splitting coefficients in proposed adaptive energy harvesting is also presented. A closed-form expressions on outage performance of two users NOMA network is developed which is verified by MATLAB based simulation.
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