Figure 4
From: Bandwidth and power allocation for cooperative relay in cognitive radio networks

Minimum transmit power of the CR network versus R under P th = 0 dBW and I th = −20 dBW.
From: Bandwidth and power allocation for cooperative relay in cognitive radio networks
Minimum transmit power of the CR network versus R under P th = 0 dBW and I th = −20 dBW.