Abstract
AbstractThe integration of cooperative nonorthogonal multiple access (CNOMA) and the improved hybrid simultaneous wireless information and power transfer (SWIPT) (IHS) protocol (termed the CNOMA‐IHS scheme) is proposed in this article. The proposed CNOMA‐IHS scheme performs the energy harvesting to energize the cooperative relay operation from cell center user to cell edge user and also convey information to the users as well. Moreover, the proposed scheme also conveys multiple different symbols to the users to improve the user channel capacities, ergodic sum capacity (ESC), and energy efficiency (EE). Finally, the analytical and simulation results illustrated the proposed scheme outperforms the existing CNOMA based SWIPT schemes as well as orthogonal multiple access based IHS scheme in terms of ESC and EE.
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