5G RAN Interfaces

Description: This quiz will test your knowledge on the interfaces used in 5G RAN.
Number of Questions: 15
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Tags: 5g ran interfaces
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Which interface is used for communication between the gNB and the UE?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: A
Explanation:

The Uu interface is the air interface between the gNB and the UE.

Which interface is used for communication between the gNB and the core network?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for control plane signaling between the gNB and the core network.

Which interface is used for communication between the gNB and the other gNBs in the network?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: D
Explanation:

The Xn interface is used for communication between the gNBs in the network.

Which interface is used for communication between the UE and the core network?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: C
Explanation:

The U-plane interface is used for user plane data traffic between the UE and the core network.

What is the maximum bandwidth of the Uu interface?

  1. 100 MHz

  2. 200 MHz

  3. 400 MHz

  4. 800 MHz


Correct Option: D
Explanation:

The maximum bandwidth of the Uu interface is 800 MHz.

What is the maximum number of UEs that can be supported by a single gNB?

  1. 100

  2. 200

  3. 500

  4. 1000


Correct Option: D
Explanation:

The maximum number of UEs that can be supported by a single gNB is 1000.

What is the maximum data rate that can be achieved by a single UE on the Uu interface?

  1. 1 Gbps

  2. 2 Gbps

  3. 4 Gbps

  4. 8 Gbps


Correct Option: D
Explanation:

The maximum data rate that can be achieved by a single UE on the Uu interface is 8 Gbps.

Which modulation scheme is used on the Uu interface?

  1. QPSK

  2. 16QAM

  3. 64QAM

  4. 256QAM


Correct Option: D
Explanation:

The modulation scheme used on the Uu interface is 256QAM.

Which coding scheme is used on the Uu interface?

  1. Turbo code

  2. Polar code

  3. LDPC code

  4. BCH code


Correct Option: B
Explanation:

The coding scheme used on the Uu interface is Polar code.

What is the minimum latency of the Uu interface?

  1. 1 ms

  2. 10 ms

  3. 100 ms

  4. 1 s


Correct Option: A
Explanation:

The minimum latency of the Uu interface is 1 ms.

Which interface is used for communication between the gNB and the O-RAN controller?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for communication between the gNB and the O-RAN controller.

Which interface is used for communication between the gNB and the network management system?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for communication between the gNB and the network management system.

Which interface is used for communication between the gNB and the policy control function?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for communication between the gNB and the policy control function.

Which interface is used for communication between the gNB and the charging function?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for communication between the gNB and the charging function.

Which interface is used for communication between the gNB and the user equipment mobility management function?

  1. Uu interface

  2. C-plane interface

  3. U-plane interface

  4. Xn interface


Correct Option: B
Explanation:

The C-plane interface is used for communication between the gNB and the user equipment mobility management function.

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