I was referenced to a chapter about CQI report in LTE, and to the relevant 3GPP documentation.
After about a week I was tested about the topics and graphs in a 1.5 hour talk.
For me it was a very pleasant process.
Interview questions [1]
Question 1
1. What is the meaning of the CQI values?
2. What are the uses of it?
3. What type of values can it get?
5. What affects the CQI?