Table 1: Terminology table.

NotationDescription

Number of spectral bands to be sensed
Number of sensing SUs in a given time epoch
Group SNR
Average probability of the detection of the group
Average probability of false alarm of the group
Network size (integer)
Probability of detection of fused data obtained by fusing inputs
Probability of false alarm of fused data obtained by fusing inputs
Size of majority, depends on average and of the group.
Observation interval as an integer number of time epochs
Risk factor
Minimal number of SUs required to maximize the network utility
Desired probability of sensing equal to
Average probability of sensing, averaged over time epochs
Network utility function with active (sensing) users
Network utility function with each SU sensing with probability
Resource efficiency
Certainty factor =
Weightage given to the accuracy and resource efficiency .
Average probability of detection of the of ith SU
Average probability of false alarm of the ith SU