Table 11. Summarizes the major properties of the TM models (only journal articles were considered).

Study	CA	Authentication	RSU	Experience	Swarm	Cluster	Opinion	Hopping	Special nodes	Fuzzy logic	Decentralized	Beaconing	Credit allocation	Node Initialization	Uncertainty
Ahmad, Franqueira & Adnane (2018)	yes	no	no	yes	no	no	no	no	yes	no	no	no	no	yes	no
Gazdar, Belghith & Abutair (2018)	no	no	no	yes	no	no	no	no	no	no	no	no	no	no	no
Soleymani et al. (2017)	no	yes	no	yes	no	no	no	no	no	yes	no	no	no	no	no
Ahmed, Al-Rubeaai & Tepe (2017)	no	yes	no	yes	no	no	yes	no	no	no	no	no	no	no	no
Wahab, Otrok & Mourad (2014)	no	no	no	no	no	no	no	no	no	no	no	no	yes	no	yes
Shaikh & Alzahrani (2014)	no	no	no	no	no	no	no	no	no	no	yes	no	no	no	no
Yang (2013)	no	no	no	yes	no	no	no	no	no	no	no	no	no	yes	no
Chen & Wei (2013)	yes	yes	no	no	no	no	yes	yes	no	no	no	no	no	no	yes
Zhang, Chen & Cohen (2013)	yes	no	no	no	no	no	yes	no	yes	no	no	no	no	no	no
Li et al. (2012)	no	yes	no	yes	no	no	yes	no	no	no	no	no	no	no	no
Sahoo et al. (2012)	no	no	no	yes	yes	yes	yes	no	no	no	no	no	no	yes	no
Mármol & Pérez (2012)	yes	no	no	yes	no	no	yes	no	no	yes	no	no	yes	no	no
Minhas et al. (2011)	no	no	no	yes	no	no	yes	no	no	no	yes	no	no	no	no