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The NOMA-based NDR network model has been extended into the IoT network deployment scenario. The modified model considers randomly distributed relaying nodes between the source and the destination and studies the effect of RS on the overall sum rate. A proper relay selection scheme is used for selecting two relays at optimum locations to assess the end-to-end transmission process. Also, the impact of increasing the number of relays at either optimum or non-optimum relay locations is investigated. A practical design guideline of the optimum location-based relay selection for IoT-based networks is investigated. Finally, the analytical expressions for the sum rate of the considered system are derived under Rayleigh fading channels.
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IEEE/ICACT20220371 Slide.05
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