Related 3GPP Specifications

This is a list of specifications in the scope of 5G Multicast Broadcast Services.

MBS User Services

• 3GPP TS 26.502 - 5G Multicast-Broadcast Services; User service architecture
• 3GPP TS 26.517 - 5G Multicast-Broadcast User Services; Protocols and Formats
• 3GPP TS 29.580 - 5G System; Multicast/Broadcast Service Function services; Stage 3
• 3GPP TS 29.581 - 5G System; Multicast/Broadcast Service Transport Services; Stage 3

5G Core Network specifications

MBS architecture

• 3GPP TS 23.247 - Architectural enhancements for 5G multicast-broadcast services

Network Function services

• 3GPP TS 29.532 - 5G System; 5G Multicast-Broadcast Session Management Services; Stage 3
• 3GPP TS 29.537 - 5G System; Multicast/Broadcast Policy Control services; Stage 3

  Protocols

• 3GPP TS 29.244 - Interface between the Control Plane and the User Plane nodes
• 3GPP TS 38.413 - NG-RAN; NG Application Protocol (NGAP)
• 3GPP TS 24.501 - Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
• 3GPP TS 29.281 - General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)

Control plane

• PFCP (29.244)
• NGAP (38.413)
• NAS (24.501)

User plane

• GTPU (29.281)

NR and NG-RAN specifications

• 3GPP TS 38.300 - NR; NR and NG-RAN Overall Description
• 3GPP TS 38.401 - NG-RAN; Architecture description

NR

• 3GPP TS 38.331 - NR; Radio Resource Control (RRC) Protocol Specification
• 3GPP TS 38.321 - NR; Medium Access Control (MAC) Protocol Specification
• 3GPP TS 38.322 - NR; Radio Link Control (RLC) Protocol Specification
• 3GPP TS 38.323 - NR; Packed Data Convergence Protocol (PDCP) Specification
• 3GPP TS 37.324 - E-UTRA and NR; Service Data Adaptation Protocol (SDAP) Specification
• 3GPP TS 38.211 - NR; Physical channels and modulation
• 3GPP TS 38.212 - NR; Multiplexing and channel coding
• 3GPP TS 38.213 - NR; Physical layer procedures for control
• 3GPP TS 38.214 - NR; Physical layer procedures for data

Control plane (PSS/SSS/PBCH(MIB), PDCCH, PDSCH(SIB20/SIB21/MCCH)):

• RRC (38.331)
• PDCP (38.323)
• RLC (38.322)
• MAC (38.321)
• PHY (38.211, 38.212, 38.213, 38.214)

User plane (PDSCH (MTCH)):

• SDAP (37.324)
• PDCP (38.323)
• RLC (38.322)
• MAC (38.321)
• PHY (38.211, 38.212, 38.213, 38.214)

NG-RAN

• 3GPP TS 38.420 - NG-RAN; Xn general aspects and principles
• 3GPP TS 38.423 - NG-RAN; Xn Application Protocol (XnAP)
• 3GPP TS 38.410 - NG-RAN; NG general aspects and principles
• 3GPP TS 38.413 - NG-RAN; NG Application Protocol (NGAP)
• 3GPP TS 38.470 - NG-RAN; F1 general aspects and principles
• 3GPP TS 38.473 - NG-RAN; F1 application protocol (F1AP)
• 3GPP TS 38.460 - NG-RAN; E1 general aspects and principles
• 3GPP TS 38.463 - NG-RAN; E1 application protocol (E1AP)
• 3GPP TS 38.415 - NG-RAN; PDU Session User Plane Protocol
• 3GPP TS 38.425 - NG-RAN; NR user plane protocol

Interfaces

• Xn (38.420,38.423): Connect two gNBs
• NG (38.410,38.413): NG-c = N2 (AMF); NG-u = N3 (UPF)
• F1 (38.470,38.473): F1-c (PDCP-c to RLC); F1-u (PDCP-u to RLC)
• E1 (38.460,38.463): CU-CP (RRC + PDCP-c) to CU-UP (SDAP + PDCP-u)