The SINR of each codeword can be obtained through the Probe drive test tool, and the higher the SINR, the better.

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.

Which of the following adjustment measures has the highest priority?

There are 503 PCI physical cell identifiers.

Regarding the antennas used for LTE high-speed rail coverage, what are the errors in the following descriptions? (multiple choice)