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TD 316 Rev.2 (GEN/19)

INTERNATIONAL TELECOMMUNICATION UNION / STUDY GROUP 19
TELECOMMUNICATION
STANDARDIZATION SECTOR
STUDY PERIOD 2005-2008 / TD 316 Rev.2(GEN/19)
English only
Original: English
Question(s): / ALL / Geneva, 23-27 January 2006
TEMPORARY DOCUMENT
Source: / SG 19 Chairman
Title: / Draft SG 19 Meeting Report

1.General

1.1The fourth meeting of ITU-T Study Group 19 “Mobile Telecommunication Networks” in the 2005-2008 study period, took place in Geneva, Switzerland, in the ITU Facilities from 23-27 January 2006. The meeting was convened by TSB Collective Letter 4/19 dated 1 November 2005 and was chaired by Mr John Visser (Nortel Networks, Canada), assisted by the following SG 19 Vice-Chairmen:

  • Mr Maurice Ghazal (MPT, Lebanon)
  • Mr Kiritkumar Lathia (Siemens Mobile Communications, Italy)
  • Mr Bruno Ramos (ANATEL, Brazil)
  • Mr Motoshi Tamura (NTT DoCoMo, Japan)
  • Mr Konstantin Trofimov (NIIR, Russia)

1.2One Vice-Chairman was not able to participate in this meeting, extended apologies for his absence, and designated a representative to take his place:

  • Mr Young Kyun Kim (Samsung Electronics, Korea) represented by Mr Kees den Hollander

1.3One Vice-Chairman was not able to participate in this meeting and extended apologies for his absence:

  • Mr Patrick Masambu (Communications Commission, Uganda)

1.4The Chairman opened the meeting at 09:30 on 23 January 2005 and welcomed the participants. The Chairman invited Dr Houlin Zhao, ITU TSB Director, to provide some opening remarks. DrZhao gave a warm welcome to the delegates, and then noted a number of points:

  • SG 19 is the only study group in ITU-T that addresses mobility. From discussions in 2005 on proposals on restructuring the study groups, it was clear that the membership for at least another year: there was no support for merging study groups and it was considered very important that Study Group 19 continue.
  • Noting the strong relationships of the work across study groups involved in the NGN-GSI, he was pleased to note that all involved were working closely together to ensure the work progressed as quickly as possible.
  • He also noted that there are a number of new initiatives and topics being worked, including networked RFIDs, Home Networking and IPTV. He encouraged participants to become involved in these areas, noting that ITU-T is holding a number of workshops on these and other topics

1.5The SG 19 Chairman provided his opening remarks and stated his overall objectives for the meeting. These are summarized here:

  • Continue to play an essential role in and actively contribute to the progress of the NGN-Global Standards Initiative by progressing our work on Mobility, and on Fixed Mobile Convergence, as essential aspects of the NGN-GSI initiative; in particular:
  • progress our work on Mobility Management in Q.2/19 towards completing the deliverable Q.TMR (Mobility Management Requirements for Systems Beyond IMT2000) at this meeting;
  • progress the work on Fixed Mobile Convergence, adding significant momentum to this activity; and
  • advance the work on requirements and architecture for IMT-2000 and systems beyond while also providing a better description of its positioning with respect to NGN;
  • Progress the work on the next iterations of Recommendations Q.1741 and Q.1742;
  • Advance the state of the next version of the Handbook for IMT-2000 and systems beyond, and consider where else we could usefully develop guidance documents for the benefit of developing countries and countries with economies in transition, and how we should go about doing so successfully;
  • Continue to assert and promote SG 19’s mandate and role in the NGN-GSI context, namely continue with our position that SG 19 should handle the approval of NGN-GSI deliverables that fall within its mandate, while ensuring that progress on defining the NGN is maintained in order to meet the needs of end users and operators; and
  • Consider future directions for effectively handling the topics and work areas allocated to SG 19 with the aim of seeing these progress rapidly and effectively in meeting the needs of the telecommunications industry.

2.Documentation for the meeting

2.1The agenda, as provided in TSB Collective Letter 4/19, is available as TD245 and has been attached to this report as Annex 1.It was accepted as proposed.

2.2The meeting considered thirteen contributions (D.29 through D.41). The meeting considered eighteenliaison statements, listed in TD 277. One series of Temporary Documents was assigned. A proposed document allocation was made available as TD 293. TDs generated during the meeting are not included in this allocation.

2.3The list of participants was distributed as TD317.

2.4All documents for the meeting may be downloaded from the SG 19 web page:

3.Approval of Draft Recommendation

3.1AAP Consent of Draft New Recommendation

3.1.1No draft new Recommendations were presented for consideration for AAP Consent.

4Next Generation Networks and SG 19’s Role

4.1The report and the draft output document “NGN Release 1 – Scope” of the finalmeeting of the Next Generation Networks Focus Group (Gatwick, UK, 14-1 November 2005) are found in
TD 263 and TD 264.

4.2SG 19 continues to assert its position on its role in NGN studies, especially with respect to mobility and fixed-mobile convergence, based on the mandate assigned to it at WTSA-2004, as further discussed in §8 below. At the same time, SG 19 is working closely with relevant Questions in SG 13 and other study groups to ensure that the technical work progresses expeditiously. One example is the coordinated and effective discussions involving Q.2 and 5.19 with Q.6/13 and Q.29/16 at this meeting.

5.Reports of Interim and Related Activities

5.1While an interim e-meeting of Q.1/19 was scheduled 8 - 22 November 2005, this meeting was cancelled due to lack of sufficient input documents to warrant proceeding.

5.2Notes on the discussions on the remaining general documents identified in the opening plenary may be found in Annex 2.

5.4Open Access to SG 19 Documentation

5.4.1The SG 19 Chairman noted the substantial increase in the proportion of contributions that have been designated as available for public access. The SG 19 Chairman is also requiredto report to TSAG on SG 19’s experience to date with respect to the conduct of a trial of making SG 19 documents publicly accessible. It is noted that ten of thirteen contributions (77%) and a number of TDs to this meeting are designated for public access. All the publicly accessible documents, including a public version of the previous meeting’s report, are available at

5.4.2No issues or concerns of any sort have arisen as a result of the open and public access to these documents to date. The SG 19 Chairman will so indicate to TSAG at the upcoming meeting,
3 - 7 July2006.

5.4.3The SG 19 Chairman encouraged participants to continue to strive for greater openness and public accessibility for their documents within the agreed guidelines in order to obtain the fullest possible experience in this area.

6Meeting Timetable and Appointment of Coordinators

6.1The SG 19 Management Team proposed a meeting timetable in the CollectiveLetter and this was provided in TD 246. This timetable includes joint sessions of various questions asreferenced above.

6.2There has been no change to the list of Rapporteurs included in the previous meeting’s report.

6.3The following table provides the updated list of SG 19 Coordinators.

Function / Coordinator
EDH / open (SG 19 Chairman by default)
IETF, IEEE 802 / Mr Young Kyun Kim (Samsung Electronics, Korea)
ITU-D Q.18/2 Liaison / Mr Maurice Ghazal (MPT, Lebanon)
ITU-R WP 8F Liaison / Mr Konstantin Trofimov (Russian Federation) assisted by Mr Kiritkumar Lathia (Siemens Mobile Communications, Italy)
Liaison / Mr Konstantin Trofimov (Russian Federation)
Meeting Scheduling / Mr Motoshi Tamura (NTT DoCoMo, Japan)
NGN / Mr. Leslie Graf (Australia)
OPs of 3GPP and 3GPP2 / Mr Ilkka Hyvärinen (Nokia, Finland; Q.3/19 Rapporteur)
Project Plan / Mr Bruno Ramos (ANATEL, Brazil)
Publicity / Mr John Visser (Nortel, Canada)
Security / open (SG 19 Chairman by default)
Seminars and Workshops / Mr Kiritkumar Lathia (Siemens Mobile Communications, Italy)

7.Approval of reports of individual Questions

7.1Q.1/19 “Service and network capability requirements and network architecture”

7.1.1The meeting reviewed and approved the report of Q1/19 in TD 310R1, attached as Annex 4. A public version of this TD has also been posted.

7.1.2The key results extracted from the report of Q1/19 are:

  • discussed how to progress the work on draft new Recommendation“Functional Network Architecture for Systems Beyond IMT-2000”(Q.FNAB); and
  • reviewed, and agreed to an updated work plan for Q.1/19, changing the timing for Q.FNAB from 3Q2006 to 1Q2007.

7.1.3Q.1/19 proposed oneoutgoing liaison statements as listed in §10 below.

7.1.4Proposed interim activities were approved and details are included in §9 below.

7.1.5A discussion on reinvigorating the work of Q.1/19 supported that the work should be more closely coupled with Q.3/13 (“Principles and functional architecture for NGN”) as indicated in the report and in the proposed liaison statement, and that this should be extended to include Q.2/13 (“Requirements and implementation scenarios for emerging services in NGN.”)

7.3Q.3/19 “Identification of existing and evolving IMT-2000 systems”

7.3.1The meeting reviewed and approved the report of Q.3/19 in TD 299R1, attached as Annex5.

7.3.2The key results extracted from the report of Q.3/19 are:

  • reviewed and approved inputs from ARIB and TTC for draft new Recommendation Q.1742.5“ANSI-41 evolved core network with cdma2000 access network” in preparation for anticipated submission for AAP Consent at the July 2006 meeting of SG 19.

7.3.3Q.3/19 proposed oneoutgoing liaison statements as listed in §10 below.

7.3.4No interim activities were proposed.

7.4Q.4/19 “Preparation of a handbook on IMT-2000”

7.4.1The meeting reviewed and approved the report of Q.4/19 in TD 311R1, attached as Annex6.

7.3.2The key results extracted from the report of Q.4/19 are:

  • a new chapter on safety and security issues for IMT-2000 was reviewed and adopted subject to revision as might be suggested by ITU-T Study Group 17 in response to a liaison being sent to this study group; and
  • material for a new chapter on FMC was proposed to the editor.

7.3.3The review of the report identified that recent ITU-BDT workshops in Damascus and Nairobi might also be used as a source of material for the Handbook, similar to the material identified in TD 311R1 for recent events in Kyiv and Tunis:

ITU/BDT Regional Workshop for the Arab Region on Guidelines on the Smooth Transition of Existing Mobile Networks to IMT-2000 for Developing Countries, Damascus, Syria, 13-15 June 2005

ITU/BDT Regional Seminar for Africa on Fixed Mobile Convergence and Guidelines on the smooth transition of existing mobile networks to IMT-2000 for Developing Countries, Nairobi, Kenya, 9-12 May 2005

Information in these events may be found at

7.3.3Q.4/19 proposed four outgoing liaison statements as listed in §10 below. One of these was not approved as indicated in §7.3.6 below.

7.3.4No interim activities were proposed.

7.3.5The review of the report identified that recent ITU-BDT workshops in Damascus and Nairobi might also be used as a source of material for the Handbook, similar to the material identified in TD 311R1 for recent events in Kyiv and Tunis:

  • ITU/BDT Regional Workshop for the Arab Region on Guidelines on the Smooth Transition of Existing Mobile Networks to IMT-2000 for Developing Countries, Damascus, Syria, 13-15 June 2005
  • ITU/BDT Regional Seminar for Africa on Fixed Mobile Convergence and Guidelines on the smooth transition of existing mobile networks to IMT-2000 for Developing Countries, Nairobi, Kenya, 9-12 May 2005

Information in these events may be found at

7.3.6The proposed liaison statement in TD 305R1 was discussed. It was clarified that what is being requested is a only a brief description of the ITU-D Q.18/2 MTG document. Considering that the WTDC-06 will occur in March 2006, that no meetings of ITU-D Q.18/2 are scheduled before then, and that the outcome of WTDC-06 may alter the structure and content of the ITU-D Questions, it was considered not appropriate to send this proposed liaison statement. Mr. Kirit Lathia kindly volunteered to draft text to meet the need expressed by Q.4/19. It was therefore agreed that this liaison statement was not needed and hence it was not approved.

7.2Joint Q.2/19, Q.5/19, Q.6/13 and Q.29/16

7.2.1Questions Q.2/19, Q.5/19, Q.6/13 and Q.29/16 met jointly. The titles of these Questions are:

  • Q.2/19Mobility management
  • Q.5/10Convergence of evolving IMT-2000 networks with evolving fixed networks
  • Q.6/13NGN mobility and fixed-mobile convergence
  • Q.19/16Mobility for Multimedia Systems and Services

7.2.1The meeting reviewed and approved with editorial corrections the report of the joint meetings in TD302 as reflected in TD 302R1, attached as Annex 7. Note that this review and approval does not include that part of the report dealing with Q.6/13 specific aspects, specifically §2 of TD302R1, which is to be handled by SG 13.

7.2.2Key results extracted from the report of the joint meeting are:

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Joint:

  • agreed to propose that circuit switched services (i.e., voice services) of 2G and 3G mobile networks are emulated/simulated in NGN in the earliest Release possible in order to be able to use 2G/3G access networks in conjunction with NGN.

Mobility Management (MM):

  • agreed to combine SG 19’s draft Q.MMR[1] and draft Q.MMF[2], and SG 13’s draft Y.NGN-MOB in order to create a common Stage 1 (MMF) and common three-volume Stage 2 (MMF, LMF[3], and HMF[4]) Mobility Management Recommendations across the Study Groups.
  • Q.MMR was updated (D.30) resulting in TD119 (WP2/13) and TD312 (GEN/19)
  • Additional description of ‘Local’ and ‘Home’ Location Manager and MM Scenarios were added to Q.MMF resulting in TD120 (WP2/13) and TD313 (GEN/19).

Fixed-Mobile Convergence (FMC):

  • agreed to narrow the scope of Q.FMC stage 2 to a stage 2 recommendation on IMS based FMC and to clarify this in the working title by changing it to Rec.FMC-IMS[5]. Material in the output draft from this meeting that is outside the new scope will be transferred at the next meeting to another FMC recommendation or a living list. A draft containing a substantial amount of new stage 2 material can be found in TD303R1(GEN/19) / TD118R1(WP2/13)
  • agreed to start a new recommendation on an FMC scenario using PSTN as the fixed access network for a UMTS network with working title Rec.FMC-PAU[6]. A first working draft was produced and can be found in TD304 (GEN/19) / TD117(WP2/13)
  • Rec.FMC-REQ[7] sections on high level requirements and capabilities were considerably enhanced including a new definition of FMC that makes it clear that FMC is an aspect of NGN, but not limited to NGN. It can be found in TD308(GEN/19) / TD116R1 (WP2/13)

7.2.3Mr. Li Mo of ZTE kindly volunteered to replace Mr. David McFarlane as editor for Rec.FMC-IMS. Mr. Minrui Shi of China Telecom kindly volunteered to take on the editorship for the new draft recommendation Rec.FMC-PAU. The appointment of these editors was approved.

7.2.43The joint meeting proposed ____ one outgoing liaison statements as listed in §10 below.

7.2.54Proposed interim activities were approved and details are included in §9 below.

7.2.6In TD302 §5.5.3, a definition of FMC was noted. The Rapporteurs are encouraged to ensure this definition is coordinated with the work on definitions in the NGN-GSI.

7.2.7It was observed that the joint meetings benefited from the involvement if a number of participants who were not registered for SG 19. (It is estimated that twenty-one participants in the joint Questions discussions were not registered for SG 19.) All participants are kindly requested to consider registering for SG 19 in addition to other study groups in the NGNGSI. Noting that associate members might be financially impacted if they are required to register for multiple study groups, it was made clear that this request to also register for SG 19 is desirable but optional, and that registering for any one of the involved study groups is sufficient to participate in a joint meeting.

7.2.8It was noted by the SG 19 Chairman that the Rapporteurs for the four Questions making up this joint activity had worked together very well in the best spirit of resolving differences in points of view and in moving the work forward. An indication of appreciation was suggested and the meeting responded promptly with a substantial round of applause.

8.Allocation of NGN deliverable responsibilities

8.1SG 13 TD 137 (PLEN) provides a listing of draft Recommendations and deliverables and their evolution as the work of the FGNGN has transitioned into the regular study groups structure. For SG 19, the deliverables FRMOB “Mobility management capability requirements for NGN” and FGNGN-IFN “IMS for Next Generation Networks” remain marked as target study group “13/19*” with the asterisk referring to a note at the end of the table that indicates: “The allocation of responsibilities is under review.”

SG 19 continues to be of the view that these two deliverables fall within its purview per WTSA-2004 discussions and decisions as captured in WTSA document 118 and Resolution 2, and as “endorsed by a meeting between the TSB Director and Heads of Delegation on 7 September and form the basis of the ongoing coordination, planning and management of the NGN work.” (TD240, previous SG 19 meeting.) At the same time, SG 19 has every intention of progressing the approval process for these deliverables expeditiously in order that SG 19’s involvement in the NGN-GSI be positive and constructive in delivering timely results to meet the needs of all parties involved.

9.Future meetings

9.1The next meeting of SG 19 is scheduled to take place 24-28 July 2006 in Geneva per TSB Circular 40 dated 25 July 2005, during the same period as SGs 13 and 11. Further details will be provided by Collective Letter and will be posted on the SG 19 web site in the usual manner.

9.2There was discussion of how to better schedule the activities of the three study groups making up the core of the NGN-GSI. To this end, SG 19 considered whether the current schedule was appropriate or whetherabetter allocationof time slots over the two week period 17 - 28 July 2006 might be defined. As a result of these discussions, it was agreed that the meeting plan provided at Annex 9 would meet the needs of the technical discussions.

9.2The SG 19 Meeting Schedule Coordinator, Mr Motoshi Tamura, presented TD 284which provides information on the schedule for selected meetings of other groups relevant to the SG. This provides an excellent overview of meetings of interest to SG 19 and will also be used by the SG leadership and Rapporteurs in planning meeting schedules as noted above. An update reflecting SG electronic meetings and Rapporteurs’ meetings, etc., will be provided after the meeting as TD284R1. Mr Tamura’s efforts are much appreciated.

9.3Interim meetings were proposed and approved as listed below. Electronic meetings will take place using the electronic discussion board facilities at supplemented by meeting document access on TIES. Guidelines for the conduct of electronic meetings may be found at

•Q1/19:

•Electronic: 23 May - 6 June 2006

•Terms of Reference: To progress the work on Q.FNAB

•Joint Q2/19, Q.5/19, Q.6/13, Q.29/16:

•Rapporteurs: (22 - 27 April 2006; Kobe, Japan)

•Terms of Reference:

Mobility Management:

  • to combine SG19’s Q.MMR, Q.MMF, and SG13’s Y.NGN-MOB in order to create a Stage 1 (MMF) and three Stage 2 (MMF, LMF, and HMF) Mobility Management Recommendations.

FMC: