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TECHNICAL SPECIFICATION
5G;
NG-RAN;
F1 general aspects and principles
(3GPP TS 38.470 version 15.3.0 Release 15)
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3GPP TS 38.470 version 15.3.0 Release 15 1 ETSI TS 138 470 V15.3.0 (2018-09)
Reference
RTS/TSGR-0338470vf30
Keywords
5G
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3GPP TS 38.470 version 15.3.0 Release 15 2 ETSI TS 138 470 V15.3.0 (2018-09)
Intellectual Property Rights
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
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Modal verbs terminology
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3GPP TS 38.470 version 15.3.0 Release 15 3 ETSI TS 138 470 V15.3.0 (2018-09)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 4
1 Scope . 5
2 References . 5
3 Definitions and abbreviations . 5
3.1 Definitions . 5
3.3 Abbreviations . 6
4 General aspects . 6
4.1 F1 interface general principles . 6
4.2 F1 interface specification objectives . 6
4.3 F1 interface capabilities . 7
4.4 F1 interface characteristics . 7
5 Functions of the F1 interface . 7
5.1 General . 7
5.2 F1-C functions . 7
5.2.1 F1 interface management function . 7
5.2.2 System Information management function . 7
5.2.3 F1 UE context management function. 7
5.2.4 RRC message transfer function . 8
5.2.5 Paging function . 8
5.2.6 Warning messages information transfer function . 8
5.3 F1-U functions . 8
5.3.1 Transfer of user data . 8
5.3.2 Flow control function. 8
6 Procedures of the F1 interface . 8
6.1 Control plane procedures . 8
6.1.1 Interface Management procedures . 8
6.1.2 Context Management procedures . 9
6.1.3 RRC Message Transfer procedures . 9
6.1.3A Warning Message Transmission procedures . 9
6.1.4 System Information procedures . 9
6.1.5 Paging procedures . 9
6.1.6 Void . 9
6.2 User plane procedures . 10
7 F1 interface protocol structure . 10
7.1 F1 Control Plane Protocol (F1-C) . 10
7.2 F1 User Plane Protocol (F1-U) . 10
8 Other F1 interface specifications . 10
8.1 NG-RAN F1 interface: layer 1 (3GPP TS 38.471) . 11
8.2 NG-RAN F1 interface: signalling transport (3GPP TS 38.472) . 11
8.3 NG-RAN F1 interface: F1AP specification (3GPP TS 38.473) . 11
8.4 NG-RAN F1 interface: data transport and transport signalling (3GPP TS 38.474). 11
8.5 NG-RAN F1 interface: user plane protocol (3GPP TS 38.425) . 11
Annex A (informative): Change history . 12
History . 13
ETSI
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3GPP TS 38.470 version 15.3.0 Release 15 4 ETSI TS 138 470 V15.3.0 (2018-09)
Foreword
This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
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Version x.y.z
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3GPP TS 38.470 version 15.3.0 Release 15 5 ETSI TS 138 470 V15.3.0 (2018-09)
1 Scope
The present document is an introduction to the 3GPP TS 38.47x series of technical specifications that define the F1
interface. The F1 interface provides means for interconnecting a gNB-CU and a gNB-DU of a gNB within an NG-RAN,
or for interconnecting a gNB-CU and a gNB-DU of an en-gNB within an E-UTRAN.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including
a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same
Release as the present document.
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[2] 3GPP TS 38.401: "NG-RAN; Architecture Description".
[3] 3GPP TS 38.471: "NG-RAN; F1 layer 1".
[4] 3GPP TS 38.472: "NG-RAN; F1 signalling transport".
[5] 3GPP TS 38.473: "NG-RAN; F1 Application Protocol (FnAP)".
[6] 3GPP TS 38.474: "NG-RAN; F1 data trans
...