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

V17.0.0 (PDF)  2022/03  9 p.
V16.0.0  2020/06  9 p.
V15.0.0  2018/06  9 p.
V14.1.0  2017/06  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:  17.0.0

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1  ScopeWord‑p. 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  ReferencesWord‑p. 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 abbreviationsWord‑p. 5

3.1  DefinitionsWord‑p. 5

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

3.2  SymbolsWord‑p. 5


3.3  AbbreviationsWord‑p. 5

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

4  GeneralWord‑p. 5

The numbering scheme for specifications is described in TR 21.900.

5  Specifications and ReportsWord‑p. 6

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

$  Change historyWord‑p. 7

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