Lightweight Privacy Preservation for Securing Large-Scale Database-Driven Cognitive Radio Networks with Location Verification

Table 5

Comparison of existing privacy-preserving and location verification protocols in CRNs.

Protocol	Technique	Privacy protection	Location verification	Collusion resistant
Gao et al. [20]	PIR
Troja et al. [12]	PIR
Grissa et al. [21]	Cuckoo Filter
Petrov et al. [13]	k-anonymity
Xin et al. [16]	PIR and APs-based
Li et al. [4]	Cryptography and APs-based
Our protocol	Cryptography and distributed