Relaying network Energy harvesting Energy harvesting (EH) Monte carlo simulation Outage probability Intercept probability CPW-LEDs CQS CRI Co-channel interference Double rayleigh fading channel Energy storage Full-duplex Full-duplex (FD) Half-Duplex (HD) Half-duplex Half-duplex (HD) Linear programming problem Monte Carlo Monte Carlo simulation NOMA Optical properties Optimization Physical-layer security Red-Emitting phosphor Secrecy outage probability Simplex-method Success probability (SP) Underlay cognitive radio