In the LTE system, which of the following criteria is used for cell selection?
LTE cell search is performed when the mobile phone is turned on and connected to the network, based on the primary synchronization signal and the secondary synchronization signal.
At this stage, which of the following can trigger a handover in the LTE system?
Regarding the description of TA, which of the following options is wrong?
Antenna feed adjustment refers to the adjustment of antenna azimuth and downtilt angle. The most commonly used method is to eliminate cross-area coverage, weak coverage, and PCI mode 3 conflicting cells.
Regarding the demodulation reference signal, which of the following statements are correct? (multiple choice)
In order to improve the efficiency of importing and analyzing data, Assistant supports drive test log filtering. What types of filtering methods are divided into? (multiple choice)
Which of the following channels can change the modulation mode during the scheduling process? (multiple choice)
Which of the following scenarios should use the RIM process? (multiple choice)
Which layer of the LTE air interface performs the functions of encryption and integrity protection?
TESTED 13 Sep 2025