(CEP)." IETF, RFC 4842, 2007. https://tools.ietf.org/html/rfc4842 Stein, Y., R. Shashoua, R. Insler, and M. Anavi. "Time Division Multiplexing over IP (TDMoIP)." IETF, RFC 5087, 2007. https://tools.ietf.org/html/rfc5087 Vainshtein, A. and Y. Stein. "Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)." IETF, RFC 4553, 2006. https://tools.ietf.org/html/rfc4553 Vainshtein, A., I. Sasson, E. Metz, T. Frost, and P. Pate. "Structure-Aware Time Division Multiplexed (TDM) Circuit Emulation Service over Packet Switched Network (CESoPSN)." IETF, RFC 5086, 2007. https://tools.ietf.org/html/rfc5086 ITU-T. "GSTR-GNSS: Considerations on the Use of GNSS as a Primary Time Reference in Telecommunications." ITU-T Technical Report, 2020. http://handle.itu.int/11.1002/pub/815052de-en Chapter 10 "Base Station (BS) radio transmission and reception (TDD)." 3GPP, 25.105, Release 1999. ps://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1155 "Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation." 3GPP, Release :://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=242 "NG-RAN; F1 general aspects and principles." 3GPP, 38.470, Release 16, 2020. tps://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3257 "NR; NR and NG-RAN Overall description; Stage-2." 3GPP, 38.300, Release 16 (16.2.0), 2020. https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3191 "Release 15." 3GPP, 2019. https://www.3gpp.org/release-15 "Study on Central Unit (CU) - Distributed Unit (DU) lower layer split for NR." 3GPP, 38.816, Release 15, 2017. tps://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3364 "Synchronisation in UTRAN Stage 2." 3GPP, 25.402, Release 1999. https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=118: "System Architecture for the 5G System (5GS)." 3GPP, 23