Performance of simple cognitive personal area networks with finite buffers

We investigate the performance of simple cognitive personal area network (CPAN) with cooperative sensing. Nodes are equipped with small buffers of capacity K each, and each node is allowed to transmit a batch of up to μ packets in one transmission cycle. Upon transmission, each node must support the operation of the CPAN by performing sensing duty in the amount obtained by multiplying the number of packets sent in a batch by a variable penalty coefficient We model this system and show the relationship between packet blocking and carried load with respect to scheduling parameter μ, penalty coefficient, traffic load and piconet size.