Which description is correct about the frequency range of 5G spectrum FR1? (single-choice question, 2 points)
Answer(s): A
FR1: Sub6G frequency band, which is what we call the low frequency frequency band, is the main frequency band of 5G; the frequency below 3GHz is called sub3G, and the other frequency bands are called C-band. FR2: Millimeter wave, which is what we call the high frequency band, is the extended frequency band of 5G and has abundant spectrum resources.
In the process of uplink and downlink decoupling, what determines whether the uplink uses high frequency or low frequency for signal transmission? (single-choice question, 2 points)
Answer(s): B
In the process of uplink and downlink decoupling, whether the uplink uses high frequency or low frequency for signal transmission is determined by gNB.
Which of the following is somewhat wrong about D2D technology? (single-choice question, 2 points)
Answer(s): C
D2D communication (Device to Device), the base station allocates spectrum for the direct interconnection of terminals and terminals, which reduces the transmission delay and increases the capacity of the base station. It is characterized by long transmission distance, small transmission delay and high spectral efficiency.
Which of the following intelligent manufacturing scenarios belongs to the mMTC business scenario? (single-choice question, 2 points)
Question analysis: There are 6 major scenarios in intelligent manufacturing: motion control, C2C inter-machine control, mobile panel, and mobile robot belong to the uRLLC business scenario, large- scale connection is the mMTC business scenario, and industrial AR and monitoring are the eMBB business scenarios.
Which of the following intelligent manufacturing scenarios belongs to the eMBB business scenario? (single-choice question, 2 points)
Answer(s): D
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