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Table 1 Important notation in the paper

From: Power control for cognitive relay networks with sensing uncertainties

Symbol Specification
\({P_{p}^{n}}\) Transmit power of the pth PU-T on the subcarrier n
\(P_{l,1}^{n}\) Transmit power of the lth SU-T on the subcarrier n
\(P_{l,2}^{n}\) Transmit power of the lth relay on the subcarrier n
\(h_{l,1}^{n}\) Channel gain of the first-hop of the lth link on the subcarrier n
\(h_{l,2}^{n}\) Channel gain of the second-hop of the lth link on the subcarrier n
\(h_{l,p,1}^{n}\) Channel gain of the lth SU-T to the pth PU-R on the subcarrier n
\(h_{l,p,2}^{n}\) Channel gain of the lth relay to the pth PU-R on the subcarrier n
\(g_{p,l,1}^{n}\) Channel gain of the pth PU-T to the lth relay on the subcarrier n
\(g_{p,l,2}^{n}\) Channel gain of the pth PU-T to the lth SU-R on the subcarrier n
\(z_{p,l}^{n}\) Sensing channel gain of the pth PU-T to the lth SU-T on the subcarrier n