Open AccessRelay Selection and Resource Allocation for SWIPT in Multi-User OFDMA Systems
Author(s) -
Sumit Gautam,
Eva Lagunas,
Symeon Chatzinotas,
Björn Ottersten
Publication year - 2019
Publication title -
ieee transactions on wireless communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.01
H-Index - 223
eISSN - 1558-2248
pISSN - 1536-1276
DOI - 10.1109/twc.2019.2904273
Subject(s) - relay , computer science , orthogonal frequency division multiple access , resource allocation , mathematical optimization , frequency division multiple access , heuristic , maximum power transfer theorem , computational complexity theory , wireless , computer network , optimization problem , selection (genetic algorithm) , orthogonal frequency division multiplexing , power (physics) , algorithm , telecommunications , channel (broadcasting) , mathematics , physics , quantum mechanics , artificial intelligence
We investigate the resource allocation and relay selection in a two-hop relay-assisted multi-user orthogonal frequency division multiple access (OFDMA) network, where the end-nodes support the simultaneous wireless information and power transfer (SWIPT) employing a power splitting (PS) technique. Our goal is to optimize the end-nodes' PS ratios as well as the relay, carrier, and power assignment s...
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