Table 3: Requirements of emergency CRAHNs.

Requirement parameterMet by the following design feature

AccuracyNetwork utility function
Resource efficiency
(energy consumed or bandwidth overhead)
Network utility function
Variation in number of SUsAdaptation
Variation in SNRAdaptation
Optimal number of sensing SUs in each time epoch Self-learning based or estimation [23]
Fairness with respect to energy consumptionAll SUs sense with the same probability
Low latencyProactive periodic quiet period sensing
Byzantine attack immunityLLRT-based data fusion [30]