When analyzing the indoor coverage effect, the loss of the building is a part that must be considered. Which of the following about the loss of the building is incorrect?
A. The average penetration loss of buildings located in urban areas is greater than that of suburban and remote areas.
B. The aluminum wall bracket has less loss than the non-aluminum bracket.
C. The area loss of the window is generally smaller than that of the windowless area.
D. The open loss in the building is less than the loss in the wall area with the corridor
正解:B
質問 2:
In the process of increasing the antenna downtilt angle, ESC antenna's antenna pattern remains basically unchanged. While in the process pf increasing the downtilt angle of the antenna, the mechanical antenna's antenna pattern will change to some extent with the increase of the downtilt angle.
A. False
B. True
正解:B
質問 3:
When using BCCH+SDCCH to share a channel mode, what is the CCCH configuration that needs to modify the system message?
A. A combined CCCH
B. Two non-combined CCCH
C. Three non-combined CCCH
D. A non-combined CCCH
正解:A
質問 4:
What parameters are related to the calculation of the C1 value? (Multiple Choice)
A. Maximum transmit power level that can be used when the mobile station accesses the system
B. Average level of reception by the mobile station
C. Minimum reception level that allows mobile station access
D. Cell reselection bias
E. Switching threshold E, switching tolerance
F. Maximum transmit power of the mobile station
正解:A,B,C,F
質問 5:
The front-to-back ratio of the antenna refers to the ratio of the maximum power of the front and rear lobes of the antenna.
A. False
B. True
正解:B
質問 6:
A paging block (four consecutive CCCH slots) can carry 2 IMSI pages or 4 TMSI pages.
A. False
B. True
正解:B
Miyamoto -
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