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arXiv · 2205.09378

Joint Relay Selection and Power Control that aims to Maximize Sum-Rate in Multi-Hop Networks

Shalanika Dayarathna·Rajitha Senanayake·Jamie Evans
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Abstract

Focusing on the joint relay selection and power control problem with a view to maximizing the sum-rate, we propose a novel sub-optimal algorithm that iterates between relay selection and power control. The relay selection is performed by maximizing the minimum signal-to-interference-plus-noise-ratio (as opposed to maximizing the sum-rate) and the power control is performed using a successive convex approximation. By comparing the proposed algorithm with existing solutions via extensive simulations, we show that the proposed algorithm results in significant sum-rate gains. Finally, we analyze the two-user multi-hop network and show that optimum transmit power of at least for two transmitting nodes can be found using binary power allocation.

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Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans. 2022-05-19. Joint Relay Selection and Power Control that aims to Maximize Sum-Rate in Multi-Hop Networks. https://arxiv.org/abs/2205.09378

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