If the cell radius is 90 kilometers, which of the following should be used for the PRACH preamble format?
Answer : C
Which of the following factors does not need to be considered when dividing a Cluster?
Answer : D
Regarding the antennas used for LTE high-speed rail coverage, what are the errors in the following descriptions? (multiple choice)
Answer : C, D
Which of the following factors are the base station receiver sensitivity related to? (multiple choice)
Answer : A, C, D
The intermodulation interference of the system is usually mainly caused by second-order and third-order intermodulation, and the frequency of the second-order intermodulation product is F=2f1f2 or 2f2f1.
Answer : B
Which of the following is not included in the survey station preparation information?
Answer : E
Regarding the over-zone, overlapping coverage control, which of the following statements is wrong?
Answer : D