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
What are the wireless indicators that need to be paid attention to during the drive test? (multiple choices)
Answer : A, B, C
Which of the following statements about LTE tools is correct? (Multiple Choice)
Answer : A, B, C
The current frequency spectrum of China Mobile's F-band is 1880MHz to 1900MHz.
Answer : A
There are 503 PCI physical cell identifiers.
Answer : B
The single-site verification test only needs to verify whether the cell status is normal in the idle mode.
Answer : B
Before coverage analysis, it is necessary to obtain basic data such as the planning plan, site distribution, base station configuration, antenna feeder configuration, RS power and service load characteristics of the optimized target are
a. Then obtain the information of the existing network data, conduct a comparative analysis, and find out the areas where the coverage problem may exist.
Answer : A