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Overview of 3GPP Series

The 3GPP (3rd Generation Partnership Project, created late 90's) is aimed towards the development of standards for the various generations of mobile networks, from 3G to 5G. The 3GPP is organized in 3 main domains or TSGs (Technical Specification Groups): Radio Access Networks (RAN), Service and Systems Aspects (SA), Core Networks and Terminals (CT). New Specifications, or new versions of a number of Specifications, are produced just after the quarterly plenary meetings for each domain. Afterwards the ETSI publishes the PDF versions for the releases that have been frozen (i.e. from June 2018, up to Rel‑15). The ETSI does not publish the PDF version for studies (8xx numbers, and sometimes 7xx numbers).
How initial GSM series have been split into 3GPP series
For a better overview of the contents of a specification or report, we reproduce the Table of Contents (ToC). A particularity of 3GPP standards development is that the original section numbers in a document are preserved. It can be extended, but a deleted section will appear as 'Void' and a section inserted between sections with consecutive numbers will be suffixed with a letter. We have taken advantage of this in order to highlight the number of the 3GPP Release number at which a section, and by the way a topic, has been taken into account during the evolution of a document.
The term 'sTR' has been introduced in order to identify those Technical Reports in the range 8, and sometimes the range 7. Technical Reports in this range are 3GPP internal working documents (of a given Release) for holding the interim results of feasibility studies about Technical Realization (Stage 2). Accordingly, the 3GPP documents, in the context of this site, are classified as follows:
"living" TS
"living" TR, or
sTR for Rel‑16 and after
"static" TS, i.e. upgraded unchanged with at least the last frozen release
"static" TR, i.e. upgraded unchanged with at least the last frozen release, or
sTR for Rel‑8 to Rel‑15
discontinued TS/TR, or
sTR before Rel‑8
Based on this classification, here are some statistics in regards to 3GPP-series.
TS TR sTR
Total
21 5 1 6 4 5 9 1 1 2 17
22 22 62 10 94 1 28 6 35 23 38 3 64 193
23 48 62 23 133 1 8 10 19 25 99 17 141 293
24 49 68 33 150 3 3 1 8 3 12 165
25 15 72 3 90 17 26 43 25 57 82 215
26 26 68 94 18 31 3 52 4 9 13 159
27 1 6 1 8 2 2 10
28 49 51 100 6 5 11 111
29 92 47 58 197 4 12 16 3 24 6 33 246
31 6 11 5 22 3 1 4 4 4 30
32 24 118 172 314 1 1 2 1 51 12 64 380
33 30 16 4 50 2 7 7 16 9 30 3 42 108
34 9 3 6 18 1 5 6 24
35 18 18 6 6 24
36 38 36 74 4 9 3 16 3 155 158 248
37 28 2 30 2 4 6 4 36 40 76
38 63 63 2 4 6 20 13 33 102
Total 505 640 316 1461 35 126 80 241 100 498 101 699 2401
TS TR sTR
Total
41 1 1 2 1 1 2 4
42 4 4 8 8
43 3 16 2 21 6 6 4 4 31
44 1 22 23 1 1 24
45 7 4 11 7 7 1 3 4 22
46 23 23 3 3 26
48 2 18 20 20
49 1 1 1 3 1 1 4
51 5 2 5 12 12
52 3 3 3
55 12 12 1 1 13
Total 19 106 13 138 20 1 21 1 7 8 167