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TS 21.201
Technical Specifications and Technical Reports
for an Evolved Packet System (EPS) based 3GPP system

V18.0.0 (PDF)  2024/03  9 p.
V17.1.1  2023/03  9 p.
V16.1.0  2023/03  9 p.
V15.1.0  2023/03  9 p.
V14.2.0  2023/03  9 p.
V13.0.0  2016/12  36 p.
V12.0.1  2016/12  27 p.
V11.2.0  2016/03  29 p.
V10.4.0  2014/06  28 p.
V9.2.0  2012/03  31 p.
V8.5.0  2012/03  30 p.
Dr. Scarrone, Enrico

Content for  TS 21.201  Word version:  17.1.1

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1  Scopep. 5

The present document identifies the 3GPP system specifications for Release 17. The specifications and reports of this Release have a major version number 17 (i.e. 17.x.y). The listed Specifications are required to build a system based on the Evolved Packet System.
The high-level architecture of such a system is defined in TS 23.002 (Figure 1b).

2  Referencesp. 5

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.
TR 21.905: "Vocabulary for 3GPP Specifications".
TS 23.002: "Network architecture".
TS 21.900: "Technical Specification Group working methods".

3  Definitions, symbols and abbreviationsp. 5

3.1  Definitionsp. 5

For the purposes of the present document, the terms and definitions given in TR 21.905 apply.

3.2  Symbolsp. 5


3.3  Abbreviationsp. 5

For the purposes of the present document, the abbreviations given in TR 21.905 apply.

4  Generalp. 5

The numbering scheme for specifications is described in TR 21.900.

5  Specifications and Reportsp. 6

The list of Technical Specifications and Technical Reports can be found at

$  Change historyp. 7

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