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Free H35-480_V3.0 Exam Braindumps (page: 4)

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5G inherits the frame structure of 4G, but the slot length can be adjusted based on different SCSs.
Which of the following is not a 5G slot length?

  1. 0.5ms
  2. 10ms
  3. 0.25ms
  4. 1ms

Answer(s): B

Explanation:

5G inherits the frame structure of 4G, but the slot length can be adjusted based on different subcarrier spacings (SCSs). The 5G slot length can be adjusted from 0.25ms to 1ms, with each slot containing one or more symbols.
The shorter the slot length, the higher the frequency and the less the coverage, but it allows for more efficient use of resources and higher data rates. The longer the slot length, the lower the frequency, the better the coverage, but it's less efficient in terms of resource usage and data rate. So, the correct answer is B. 10ms, is not a 5G slot length. It's worth noting that the 5G standard defines several slot lengths, and the choice of slot length depends on the specific use case and the requirements of the service being supported.



Which of the following parameters is related to the frequency-domain position of PBCH DMRSs?

  1. Cell ID
  2. PCI
  3. SI-RNTI
  4. Bandwidth

Answer(s): B

Explanation:

PCI (Physical Cell Identity) is related to the frequency-domain position of PBCH DMRSs (Physical Broadcast Channel Demodulation Reference Signals)
The PBCH DMRSs are used to demodulate the Physical Broadcast Channel (PBCH) which contains system information such as the cell identity, system bandwidth, and the downlink carrier frequency. The PBCH DMRSs are transmitted in the frequency domain, and their position is determined by the Physical Cell Identity (PCI). The PCI is a unique identifier assigned to each cell in the network, and it's used to identify the cell and its system information.
So, the correct answer is B. PCI. It's worth noting that the other parameters you mentioned are also related to the 5G system information and the cell configuration. Cell ID is a unique identifier assigned to each cell, SI-RNTI (System Information RNTI) is a unique identifier assigned to the system information, and Bandwidth is the amount of frequency resources allocated to the cell.



SSB GSCN is the center frequency number of an NR cell.

  1. True
  2. False

Answer(s): A

Explanation:

SSB GSCN is the center frequency number of an NR cell. SSB GSCN stands for "SS block group-specific cell number" and is used to identify the center frequency of an NR cell. This value is used in combination with the operating bandwidth of the cell to determine the physical layer resource grid for the cell. As such, it is important for the correct SSB GSCN to be configured for the cell in order to ensure the correct channel coding.
https://www.qualcomm.com/content/dam/qcomm-martech/dm- assets/documents/powerpoint_presentation_-_making_5g_nr_a_reality_february_2020_web.pdf Making 5G NR a Commercial Reality A unified, more capable 5G air ... https://www.qualcomm.com/content/dam/qcomm-martech/dm- assets/documents/powerpoint_presentation_-_making_5g_nr_a_reality_february_2020_web.pdf https://www.gtigroup.org/d/file/Resources/rep/2019-07-

05/cbf7810256b4c312c460863fcb77bd58.pdf
GTI 5G Device Power Consumption White Paper https://www.gtigroup.org/d/file/Resources/rep/2019-07- 05/cbf7810256b4c312c460863fcb77bd58.pdf
In 5G NR, the SSB (Secondary Synchronization Signal Block) is used to provide the time and frequency synchronization information to the mobile devices. It is transmitted in the frequency domain and it consists of two parts: the SSB GSCN (Secondary Synchronization Signal Block - Group and Sequence Number) and the SSB MIB (Secondary Synchronization Signal Block - Master Information Block).
The SSB GSCN is a unique identifier that indicates the center frequency number of the cell. It is used to identify the cell and to determine the frequency offset of the cell with respect to the carrier frequency.
So, the statement is true, SSB GSCN is the center frequency number of an NR cell. It's worth noting that the SSB MIB contains other system information such as the system bandwidth, the transmission bandwidth configuration, and the number of symbols in a slot.



Which of the following NR slot configurations are defined in 3GPP specifications? (Choose All that Apply)

  1. Mixed slot, which contains at least one downlink/uplink symbol while other symbols can be flexibly configured
  2. Flexible-slot (all symbols are flexibly configured)
  3. Downlink-only slot (all symbols are dedicated for downlink)
  4. Uplink-only slot (all symbols are dedicated for uplink)

Answer(s): A,B,C,D

Explanation:

1. Mixed slot is a slot configuration in which at least one downlink/uplink symbol is present, while other symbols can be flexibly configured for downlink or uplink transmission. This allows for a more efficient use of resources and better support for different types of services. B. Flexible-slot is a slot configuration in which all symbols are flexibly configured for downlink or uplink transmission. This allows for a more efficient use of resources and better support for different types of services. C. Downlink-only slot is a slot configuration in which all symbols are dedicated for downlink transmission, This configuration is mainly used for downlink-centric services such as video streaming or software downloads. D. Uplink-only slot is a slot configuration in which all symbols are dedicated for uplink transmission, this configuration is mainly used for uplink-centric services such as voice calls or video conferencing.






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