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TS 21.101
Technical Specifications and Technical Reports
for a UTRAN-based 3GPP System

V18.0.0 (PDF)2024/03  … p.
V17.1.0  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  46 p.
V12.0.2  2016/12  45 p.
V11.2.0  2016/03  44 p.
V10.4.0  2014/06  41 p.
V9.2.0  2012/03  42 p.
V8.4.0  2012/03  42 p.
V7.5.0  2009/12  37 p.
V6.10.0  2009/12  32 p.
V5.14.0  2009/12  26 p.
V4.15.0  2009/12  23 p.
V3.18.0  2009/12  21 p.
Dr. Kim, Dongwook

Content for  TS 21.101  Word version:  18.0.0

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1  Scopep. 5

The present document identifies the 3GPP system specifications for Release 18. The specifications and reports of this Release have a major version number 18 (i.e. 1[.x.y). The listed Specifications are required to build a system based on UTRAN radio technology.

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".
TR 21.900: "Technical Specification Group working methods".

3  Abbreviationsp. 5

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

4  Generalp. 5

The numbering scheme for specifications is described in TR 21.900.

5  Specifications and Reportsp. 5

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

$  Change historyp. 6

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