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© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP 2009 3GPP The Training Course / Module 12 1 All you always wanted to know about.

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Presentation on theme: "© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP 2009 3GPP The Training Course / Module 12 1 All you always wanted to know about."— Presentation transcript:

1 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 1 All you always wanted to know about 3GPP … but were too afraid to ask. The 3GPP Seminar

2 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 2 The 3GPP Seminar Module 12 Change Requests

3 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 3 CHANGE REQUEST Once a 3GPP specification has come under change control, the Working Group and/or the specification official rapporteur … … no longer have the right to update the specification !

4 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 4 CHANGE REQUEST But it is still possible to develop the standard further, to add the missing parts, and to correct errors and/or omissions as the overall system becomes better defined. If the responsible Working Group wishes to make a change to the specification … … the working group must raise a Change Request.

5 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 5 CHANGE REQUEST The CR consists of a cover page … … and an extract from the specification under consideration showing, using revision marks, all additions and deletions. Several iterations of a CR may be required until the WG is happy with it... And the WG finally “agrees” upon the CR.

6 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 6 CHANGE REQUEST The CR front page

7 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 7 CHANGE REQUEST There are 22 “comments” on the front page ! For HELP on using this form look at the pop-up text over the  [H1] symbols. Comprehensive instructions on how to use this form can be found at [H1] For help on how to fill out a field, place the mouse pointer over the special symbol closest to the field in question.HELP [H1] Here are some examples : Document numbersDocument numbers are allocated by the Working Group Secretary. Use the format of document number specified by the 3GPP Working Procedures, e.g. S GPP Working Procedures Spec Number : enter the specification number in this box, e.g Spec Number Do not prefix the number with anything. i.e. do not use "TS", "GSM" or "3GPP" etc.

8 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 8 CHANGE REQUEST CR NumCR Num : enter the CR number here. This number is allocated by the 3GPP Support Team (MCC); it consists of four digits, padded with leading zeros if necessary, e.g rev rev : enter the revision number of the CR here, e.g. 1. If it is the first version of the CR, use a "-". Current version x.y.z : enter the version of the specification here. This number is the version of the specification to which the CR was written and (normally) to which it will be applied if it is approved, e.g x.y.z latest version Make sure that the latest version of the specification (of the relevant release) is used when creating the CR. If unsure what the latest version is, go to and look it up !http://www.3gpp.org/Specification-Numbering

9 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 9 CHANGE REQUEST Proposed change affectsProposed change affects : Mark one or more of the boxes with an X) :  UICC apps  : SIM / USIM / ISIM applications [H1][H1] ME [H2][H2] Radio Access NetworkCore Network [H1][H1] SIM / USIM / ISIM applications [H2][H2] TitleTitle : enter a concise description of the subject matter of the CR. It should be no longer than one line, but if this is not possible, do not enter hard new-line characters. Do not use redundant information such as "Change Request number xxx to 3GPP TS xx.xxx (Release x)". Source to WGSource to WG : One or more organizations (ALL must be 3GPP Individual Members) which drafted the CR and are presenting it to the Working Group, e.g. NOKIA Corporation, Telefon AB LM Ericsson, Research in Motion UK Limited.

10 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST Source to TSGSource to TSG : for CRs agreed at Working Group level, the identity of the WG. Use the format "xn" where x = "C" for TSG CT, "R" for TSG RAN, "S" for TSG SA, "G" for TSG GERAN; n = digit identifying the Working Group; for CRs drafted during the TSG meeting itself, use "P (Plenary)". Examples : "C4", "R5", "S4“, “GP". Work item codeWork item code : enter the acronym for the work item which is applicable to the change request. This field is mandatory (for Release 4 and later). A list of work item acronyms can be found in the 3GPP work plan. See and, specifically for the WI code list, Examples : “GPRS“, “MIMO“, “TEI8“.

11 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST DateDate : Enter the date on which the CR was last revised. Format to be interpretable by English version of MS Windows ® applications, e.g. 19/08/2009. CategoryCategory : Enter a single letter corresponding to the most appropriate category listed, e.g. “F”. For more detailed help on interpreting these categories, see Technical Report "TSG working methods" Use one of the following categories: F (correction) A (corresponds to a correction in an earlier release – ie a “mirror” CR) B (addition of new functionality) C (modification of existing functionality) D (pure editorial, having no technical impact) ReleaseRelease : Use one of the following releases: R99(Release 1999) Rel-4(Release 4) Rel-5(Release 5) Rel-6(Release 6) Rel-7(Release 7) Rel-8(Release 8) Rel-9(Release 9) Rel-10(Release 10) All earlier Releases are closed; no maintenance is carried out on those Releases’ specs.

12 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST Reason for changeReason for change : enter text which explains why the change is necessary. Summary of changeSummary of change : enter text which describes the most important components of the change, i.e. How the change is made. Consequences if not approvedConsequences if not approved : enter here the consequences if this CR were to be rejected. It is mandatory to complete this section only if the CR is of category "F" (i.e. correction), though it is useful for other categories. Clauses affectedClauses affected : enter the number of each clause which contains changes. Be as specific as possible (i. e. list each sub-clause, not just the umbrella clause), e.g , new Annex “X”.

13 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST Other specs affectedOther specs affected :  Other core specifications  Test specifications  O&M Specifications Tick "yes" box if any other specifications are affected by this change. Else tick "no". You MUST fill in one or the other. List here the specifications which are affected or the CRs which are linked. Other comments Other comments :  Enter any other information which may be needed by the group being requested to approve the CR. This could include special conditions for its approval which are not listed anywhere else above.

14 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST For example, a CR to TS may be revised twice during the course of discussions in the WG before it is agreed; the wording “Revision of Tdoc S2-09xxxx” should appear under the (new) Tdoc number of the revised CR. CR 4 to CR 4 rev 1 to CR 4 rev 2 to

15 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST Prior to each TSG plenary, all CRs against a given specification, or a given work item, are gathered together by the Secretary of the WG responsible for the spec. In case, the Secretary cleans the front page, e.g. accepts all revision marks, and checks that the fields are correctly filled in. A single Tdoc is created, with a cover page introducing each individual CR (it is suggested to group no more than ~20 CRs per Tdoc). CR 4 rev 2 to CR 5 rev 1 to CR 6 to

16 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST The CRs are presented to the plenary TSG for approval. Presentation is the responsibility of the WG Chairman, assisted by the Secretary (if attending the Plenary). CR 4 rev 2 to CR 5 rev 1 to CR 6 to

17 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE REQUEST The TSG examines each CR and approves (or rejects, or postpones) each. Some CRs may be revised during the TSG meeting and re-presented (with a new revision number). A CR may be “withdrawn” as well. CR 4 rev 2 to CR 5 rev 1 to CR 6 to

18 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL CR 4 rev 2 to CR 5 rev 1 to v9.0.0v9.1.0 The Support Team (MCC) incorporates the approved CRs into the base specification …

19 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL The new specification version is then made available on the file server - for delegates to propose more changes! v9.1.0

20 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL Established practice allows MCC a set period of time for all revised specs to be made available following approval of CRs. JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA Specs controlled by TSGs GERAN, CT and SA to be available at the end of the week following the SA meeting Specs controlled by TSGs RAN have one week more

21 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL Established practice allows MCC a set period of time for all revised specs to be made available following approval of CRs. JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA A further week’s grace is allowed for particularly complex updates or ambiguous CRs where consultation between MCC and rapporteur may be required.

22 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL Established practice allows MCC a set period of time for all revised specs to be made available following approval of CRs. JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA CT, RAN and SA WGs respect a no-meetings period of one week before and after plenary periods. But can and do meet during the remaining weeks.

23 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL Established practice allows MCC a set period of time for all revised specs to be made available following approval of CRs. JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA TSG GERAN TSG RAN TSG CT TSG SA Which may significantly advance the spec-availability deadline !

24 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module 12 24

25 © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP GPP The Training Course / Module CHANGE CONTROL MCC provides regular updates on CR implementation to each TSG SA meeting.


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