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Free H35-481_V2.0 Exam Braindumps (page: 4)

Page 3 of 16
PDF with 60 Questions

Which of the following statements about a self-contained slot is Incorrect?

  1. Faster downlink hybrid automatic repeat request (HARQ) feedback and UL data scheduling to reduce the RTT.
  2. Increased GP overhead due to frequent uplink-downlink switching.
  3. High requirements on latency of terminal hardware processing.
  4. Prolonged sounding reference signal (SRS) transmission period to track fast channel changes and Improve MIMO performance.

Answer(s): B

Explanation:

Increased GP overhead due to frequent uplink-downlink switching. Self-contained slots are designed to reduce the round-trip time (RTT) by providing faster downlink hybrid automatic repeat request (HARQ) feedback and UL data scheduling, as well as prolonged sounding reference signal (SRS) transmission periods to track fast channel changes and improve MIMO performance. However, they do not involve increased GP overhead due to frequent uplink-downlink switching. High requirements on latency of terminal hardware processing may be involved, depending on the implementation. https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Dr aft_36300-fc0.docx
3GPP TS 36.300
https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Dr aft_36300-fc0.docx https://www.etsi.org/deliver/etsi_tr/121900_121999/121915/15.00.00_60/tr_121915v150000p.pdf TR 121 915 - V15.0.0 - Digital cellular telecommunications system ...

https://www.etsi.org/deliver/etsi_tr/121900_121999/121915/15.00.00_60/tr_121915v150000p.pdf https://www.atis.org/wp-content/uploads/3gpp-documents/Rel16/ATIS.3GPP.38.473.V1620.pdf ATIS 3GPP
https://www.atis.org/wp-content/uploads/3gpp-documents/Rel16/ATIS.3GPP.38.473.V1620.pdf



Which of the following channels is not involved in NR random access of a UE?

  1. PDCCH
  2. PRACH
  3. PUSCH
  4. PUCCH

Answer(s): C

Explanation:

In 5G NR, the random access procedure is used by a UE to establish a connection with the base station. The channels involved in the NR random access of a UE are:
1. PDCCH (Physical Downlink Control Channel): The PDCCH is used by the base station to transmit control information to the UE, such as scheduling assignments and uplink grants.
2. PRACH (Physical Random Access Channel): The PRACH is used by the UE to transmit the random access preamble to the base station.
3. PUCCH (Physical Uplink Control Channel): The PUCCH is used by the UE to transmit control information to the base station, such as uplink scheduling requests and HARQ feedback.
4. PUSCH (Physical Uplink Shared Channel) is not involved in NR random access of a UE, it is a shared channel used to transmit the uplink data and control information. https://www.atis.org/wp-content/uploads/3gpp-documents/Rel16/ATIS.3GPP.38.401.V1620.pdf ATIS 3GPP
https://www.atis.org/wp-content/uploads/3gpp-documents/Rel16/ATIS.3GPP.38.401.V1620.pdf https://www.etsi.org/deliver/etsi_ts/138300_138399/138300/16.04.00_60/ts_138300v160400p.pdf TS 138 300 - V16.4.0 - 5G; NR; NR and NG-RAN Overall description ... https://www.etsi.org/deliver/etsi_ts/138300_138399/138300/16.04.00_60/ts_138300v160400p.pdf https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Dr aft_36300-fc0.docx

3GPP TS 36.300
https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Dr aft_36300-fc0.docx



Which of the following parameters In the NR MIB message indicates the time-domain position of CORESET 0?

  1. System frame number
  2. Most significant four bits of PDCCH-configSIBl
  3. SSB-subcarrier offset
  4. Least significant four bits of PDCCH-configSIBl

Answer(s): D

Explanation:

In 5G NR, the Master Information Block (MIB) message is transmitted on the Physical Broadcast Channel (PBCH) and contains information that is used by the UEs to synchronize to the cell and obtain basic system information. The parameters in the NR MIB message that indicate the time- domain position of CORESET 0 are the least significant four bits of PDCCH-configSIBl.



Which of the following synchronization rasters can be used by a UE during a cell search?

  1. 17.28MHz
  2. 1200kHz
  3. 1.44MHz
  4. 100kHz

Answer(s): A,B,C

Explanation:

During a cell search, a UE uses synchronization signals to synchronize to a cell and obtain basic system information. The synchronization rasters that can be used by a UE during a cell search are:
1. 17.28MHz: This is the synchronization raster that is used for the primary synchronization signal (PSS) and the secondary synchronization signal (SSS) in 5G NR.
2. 1200kHz: This is the synchronization raster that is used for the primary synchronization signal (PSS) and the secondary synchronization signal (SSS) in 4G LTE.
3. 1.44MHz: This is the synchronization raster that is used for the cell-specific reference signal (CRS) in 4G LTE.






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