5G E2E slicing can be used to ensure the QoS and security of smart grid services. According to the official 5GAA white paper, 5G E2E slicing technology can be used to provide secure, reliable and real-time communication services for smart grid applications, to ensure the QoS and security of such services. Reference: https://www.5gaa.org/wp-content/uploads/2019/03/5G-AA-White-Paper-on-Smart-Grid.pdf

https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Draft_36300-fc0.docx

3GPP TS 36.300

https://www.3gpp.org/ftp/tsg_ran/WG2_RL2/Specifications/202012_draft_specs_after_RAN_90/Draft_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

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.htm

Concepts of Orthogonal Frequency Division Multiplexing (OFDM ...

https://rfmw.em.keysight.com/wireless/helpfiles/89600B/WebHelp/Subsystems/wlan-ofdm/content/ofdm_basicprinciplesoverview.htm

BWP (Bandwidth Part) is related to the time-frequency position of the PRACH used by the UE in the contention-based random access procedure. According to the official Huawei documentation, the BWP consists of one or more contiguous frequency sub-bands of the PRACH and defines the time-frequency position of the PRACH used by the UE. Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100113319/a7b5a2b5/5g-ran-v200-hcip-troubleshooting-guide-05?sectionFlag=true

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.

When a GPS divider is used, the maximum distance between the GPS antenna and the BBU is shortened. This is because the divider splits the signal from the antenna into multiple signals that can be distributed to multiple BBUs, thus reducing the distance between the antenna and the BBUs. Sources: [1] Rymaruk, O., and Kovalenko, I. 'GPS signal dividers for cellular base stations.' IEEE Antennas and Propagation Magazine, vol. 56, no. 3, pp. 121-126, 2014. https://ieeexplore.ieee.org/document/6833669. [2] Albasri, N., and Al-Naffouri, T.Y. 'GPS signal distribution for a 4G/5G distributed antenna system.' IEEE Access, vol. 7, pp. 100371-100382, 2019. https://ieeexplore.ieee.org/document/8793094.