Figure 7From: Priority queueing models for cognitive radio networks with traffic differentiationOperating and interruption periods ( Y 2 and R 2 ) from the perspective of LP packets. (a) R2 is equal to one busy period of HP packets, (b) R2 is equal to R|R < A1, and (c) R2 is equal to A 1 |(R> A 1 )+ B R r .Back to article page