drive test tools in telecom

What is a drive test in Telecom?
What is GSM drive test?
What is SSV in Telecom?
What is the role of drive test engineer?
What is a drive test in Telecom?
RF Drive testing is a method of measuring and assessing the coverage, capacity and Quality of Service (QoS) of a mobile radio network. … This ensures measurements are realistic and comparable to actual user experiences.