Which of the following Information Is not carried In the DCI of NR?
Answer(s): B
According to the official 3GPP specification, the DCI of NR does not carry PUSCH power control information. It carries scheduling information for the PUSCH and PDSCH and a PMI report.
https://www.3gpp.org/DynaReport/38-series.htm
Which of the following are the functions of SRSs In NR?
Answer(s): A,C,D
The functions of SRSs in NR include downlink beamforming weight calculation, obtaining the uplink channel quality, and uplink beam management. Uplink grants are not related to SRSs. https://www.sciencedirect.com/topics/engineering/extended-cyclic-prefix Extended Cyclic Prefix - an overview | ScienceDirect Topics https://www.sciencedirect.com/topics/engineering/extended-cyclic-prefix http://www.techplayon.com/5g-nr-numerology-subcarrier-spcaing-scs/ 5G NR Numerology - Subcarrier Spcaing (SCS) - Techplayon http://www.techplayon.com/5g-nr-numerology-subcarrier-spcaing-scs/ https://rfmw.em.keysight.com/wireless/helpfiles/89600B/WebHelp/Subsystems/wlan- ofdm/content/ofdm_basicprinciplesoverview.htmConcepts of Orthogonal Frequency Division Multiplexing (OFDM ... https://rfmw.em.keysight.com/wireless/helpfiles/89600B/WebHelp/Subsystems/wlan- ofdm/content/ofdm_basicprinciplesoverview.htm
Which of the following Information Is contained in a master Information block (MIB)?
Answer(s): A,B,C
In 5G NR, the master information block (MIB) is a control message that is transmitted by the base station on the Physical Broadcast Channel (PBCH). The MIB contains the following information:1. System frame number: The MIB contains the system frame number (SFN) which is used to identify the current frame in the system.2. PDCCH ConfigSIB1: The MIB contains the PDCCH (Physical Downlink Control Channel) configuration for the SIB1 (System Information Block 1) which is used to transmit system information to the UE.3. dmrs-TypeA-Position: The MIB contains the position of the dmrs-TypeA (Diversity and Multiplexing Configuration Reference Signal) which is used to transmit a reference signal for demodulation and channel estimation.
Which of the following statements about a self-contained slot is Incorrect?
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.docx3GPP TS 36.300https://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 3GPPhttps://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?
Answer(s): C
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 3GPPhttps://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.docx3GPP TS 36.300https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Dr aft_36300-fc0.docx
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