Question 21
If the cell radius is 90 kilometers, which of the following should be used for the PRACH preamble format?
Question 22
Which layer of the LTE air interface performs the functions of encryption and integrity protection?
Question 23
Which of the following values is not the user SRS bandwidth?
Question 24
Which of these physical channels and signals are fixedly occupied 6 RB in the frequency domain? (Multiple Choice)
Question 25
For the frame structure type 2, the PSS will be mapped onto the 7th OFDM symbol of subframe 1 and subframe 6.