Received Signal Strength-Based Localization for Vehicle Distance Estimation in Vehicular Ad Hoc Networks (VANETs)

Table 1

Localization technique comparison.

Technique	Localization feature
	Synchronize	Infrastructure	Availability	Accuracy
Global position system [37]	Yes	Yes	No	No
Differential GPS [38]	Yes	Yes	No	Yes
Map matching	No	No	Yes	No
Dead reckoning [39].	No	No	Yes	No
Cellular localization [40]	Yes	Yes	No	No
Image/video localization [41]	No	Yes	No	Yes
Localization services [42]	No	Yes	No	Yes
Relative distributed ad hoc localization [43]	No	No	Yes	Yes