Robust Beamforming Design in a NOMA Cognitive Radio Network Relying on SWIPT
Author(s) -
Haijian Sun,
Fuhui Zhou,
Rose Qingyang Hu,
Lajos Hanzo
Publication year - 2018
Publication title -
ieee journal on selected areas in communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.986
H-Index - 236
eISSN - 1558-0008
pISSN - 0733-8716
DOI - 10.1109/jsac.2018.2872375
Subject(s) - computer science , channel state information , beamforming , cognitive radio , maximum power transfer theorem , transmitter power output , mathematical optimization , transmission (telecommunications) , relaxation (psychology) , base station , energy harvesting , wireless , algorithm , energy (signal processing) , power (physics) , channel (broadcasting) , telecommunications , transmitter , mathematics , statistics , psychology , social psychology , physics , quantum mechanics
This paper studies a multiple-input single-output non-orthogonal multiple access cognitive radio network relying on simultaneous wireless information and power transfer. A realistic non-linear energy harvesting model is applied and a power splitting architecture is adopted at each secondary user (SU). Since it is difficult to obtain perfect channel state information (CSI) in practice, instead eith...
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