Device-to-Device (D2D) allows devices to communicate with each other without requiring a network?
A . True.
B . False
Answer: A
Which of the following key technologies is used to improve data transmission reliability and reduce retransmission caused by data transmission errors, Thereby indirectly improving spectral efficiency? _SC
Which of the following key technologies is used to improve data transmission reliability and reduce retransmission caused by data transmission errors, Thereby indirectly improving spectral efficiency? _SC
A . F-OFDMA //
B . High-order modulation
C . Channel codding
D . Massive MIMO
Answer: C
In the IMT2020 vision, which of the following is correct ratio of 5G service delay to the 4G service delay?
In the IMT2020 vision, which of the following is correct ratio of 5G service delay to the 4G service delay?
A . 1/50
B . 1/10
C . 1/100
D . 1/20
Answer: A
Who is the applicant for the network slicing? -SC
Who is the applicant for the network slicing? -SC
A . Tenant
B . Subscribe
C . Proprietor
D . User
Answer: A
3GPP Release 15 protocols are divided into three stage : non standalone (NSA) networking, late drop
3GPP Release 15 protocols are divided into three stage : non standalone (NSA) networking, late drop
A . True.
B . False.
Answer: A
The first wave of communication 5G predominately targets eMBB services.
The first wave of communication 5G predominately targets eMBB services.
A . True
B . False
Answer: A
In the 5G era, services will shioft from 2C to emerging vertical industries, including 2B2C, @B, 2H. ..TF
In the 5G era, services will shioft from 2C to emerging vertical industries, including 2B2C, @B, 2H. ..TF
A . True
B . False
Answer: A
Sub-3 GHz spectrum resources can be dynamically shared with 5G spectrums by using the cloud AIR technology
Sub-3 GHz spectrum resources can be dynamically shared with 5G spectrums by using the cloud AIR technology
A . True
B . False
Answer: A
The 5G technology is a requirement for automated driving.
The 5G technology is a requirement for automated driving.
A . True
B . False
Answer: B
Which of the following is the main advantage of the using massive MIMO over traditional MIMO? SC
Which of the following is the main advantage of the using massive MIMO over traditional MIMO? SC
A . Multiplexing gain
B . Single-channel array gain
C . 3d beamforming gain
D . Diversity gain
Answer: C