Figure 1

Point-to-point communication of the considered spectrum sharing system with multiple PUs (solid line: communication from SU-Tx to SU-Rx; dashed line: interference from SU-Tx to surrounding PU-Rx).
Point-to-point communication of the considered spectrum sharing system with multiple PUs (solid line: communication from SU-Tx to SU-Rx; dashed line: interference from SU-Tx to surrounding PU-Rx).