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Executive Summary

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Executive Summary of the WP1/11, WP2/11 and WP3/11 meetings
(Geneva, 7 December 2022)

Working Party 1/11 (Signalling requirements and protocols for emerging telecommunications networks), Working Party 2/11 (Control and management protocols for IMT-2020 and beyond) and Working Party 3/11 (Conformance and interoperability testing) meetings were held in Geneva on 7 December 2022. The meetings were attended by 69 delegates from 16 countries. The list of participants is made available in particular TDs posted for each particular WP as follows: SG11-TD3/WP1; SG11-TD3/WP2 and SG11-TD3/WP3 accordingly.

The meetings were preceded by SG11 interim Rapporteur Group meetings (RGM) of Questions 1, 2, 3, 4, 5, 6, 7, 8, 12, 13 and 14/11. The RGM were attended by 106 delegates from 17 countries. The list of participants is made available in DOC97-A1 stored on RGM SharePoint.

The opening remarks were delivered by Dr Chaesub Lee, Director, Telecommunication Standardization Bureau on 28 November 2022. It was recorded and it is available in the webcast archives​.

1     Consented Recommendations (ITU-T A.8)

WP1/11: consented the following Recommendations (see SG11-TD29/WP1)​

​#
​Q
​​Draft new/revised Rec. No.
Title
​Final TD
​A.5 justification
​1
​1/11
​ITU-T Q.5004
(ex. Q.LiteIMS-SA)
Signalling architecture of Lite IMS for IMT-2020 network and beyond
​SG11-TD51-R1/WP1
​-
​2
​2/11
​ITU-T Q.5005
(ex. Q.IMT2020-SAO)
​Requirement, framework and protocols for signalling network analyses and optimization in IMT-2020
​SG11-TD69/WP1
​-
​3
​3/11
​ITU-T Q.3647
(ex. Q.Sig_Req_ETS_IMS_roaming)
​Signalling requirements for emerg​ency service in IMS roaming environment
​SG11-TD44/WP1
​SG11-TD25/WP1​​

WP2/11: None at this meeting.

WP3/11 consented the following Recommendations (see SG11-TD16/WP3):​

# Q Draft new/revised Rec. No. Ti​tle Final TD A.5 justification
1.
14/11
ITU-T Q.4070
(ex Q. vbng-iop-ts)
Test suite for interoperability testing of virtualized broadband network gateway
SG11-​TD25/WP3
-


2     Supplements, Handbooks, Technical Papers, Guidelines and Corrigenda

2​.1 Supplements
No Supplements were approved at this meeting​.

2.2  Guidelines
No Guidelines were agreed at this meeting.

2.3  Handbooks
No Handbooks were approved at this meeting.

2.4  Technical Papers / Technical Reports
No Technical Papers/Technical Reports were approved at this meeting.

2.5  Corrigenda
No Corrigenda were approved at this meeting.​

3     Reports of Rapporteurs meetings
WP1/11, WP2/11 and WP3/11 approved the following reports of the Rapporteur Group meetings:​​​
  • The report of Q1/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD31/WP1
  • The report of Q2/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD32/WP1
  • The report of Q3/11 RGM (e-meeting, 13-14 September 2022): SG11-TD9/WP1
  • The report of Q3/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD33-R1/WP1
  • The report of Q4/11 RGM (e-meeting, 6-8 September 2022): SG11-TD7/WP1
  • The report of Q4/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD34/WP1
  • The report of Q5/11 RGM (e-meeting, 15-16 September 2022): SG11-TD12/WP1
  • The report of Q5/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD35/WP1
  • The report of Q6/11 RGM (e-meeting, 17-19 October 2022): SG11-TD27/WP2
  • The report of Q6/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD16-R1/WP2
  • The report of Q7/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD17-R1/WP2
  • The report of Q8/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD18/WP2
  • The report of Q12/11 RGM (e-meeting, 18-20 October 2022): SG11-TD23/WP3
  • The report of Q12/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD12-R2/WP3
  • The report of Q13/11 RGM (e-meeting, 22-23 September 2022): SG11-TD8/WP3
  • The report of Q13/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD13-R1/WP3
  • The report of Q14/11 RGM (e-meeting, 15-16 September 2022): SG11-TD5/WP3​
  • The report of Q14/11 RGM (Geneva, 28 November – 7 December 2022): SG11-TD14-R1/WP3​​
4     Reports of WP1/11, WP2/11 and WP3/11
The reports of the WP1, WP2/11 and WP3/11 will be made available on R-series, as follows:​
  • Report of WP1/11 – R6
  • Report of WP2/11 – R7
  • Report of WP3/11 – R8​​​
​5     Highlights of WP1/11, WP2/11 and WP3/11 meetings

WP1/11
WP1/11 consented three draft Recommendations, as follows (see SG11-TD29/WP1):​
  • ITU-T Q.5004 (ex. Q.LiteIMS-SA): Signalling architecture of Lite IMS for IMT-2020 network and beyond (Q1/11, baseline text: SG11-TD51-R1/WP1).
  • ITU-T Q.5005 (ex. Q.IMT2020-SAO): Requirement, framework and protocols for signalling network analyses and optimization in IMT-2020 (Q2/11, baseline text: SG11-TD69/WP1).
  • ITU-T Q.3647 (ex. Q.Sig_Req_ETS_IMS_roaming): Signalling requirements for emergency service in IMS roaming environment (Q3/11, baseline text: SG11-TD44/WP1).​
Note: ITU-T draft Recommendations Q.QKDN_profr, Q.QKDN_Ak, Q.QKDN_Kq-1, Q.QKDN_Ck, Q.QKDN_Kx, Q.CPN, Q.hns, Q.BNG-INC were planned to be consented at the WP1/11 plenary meeting (7 December 2022). However, as the baseline texts were not mature enough and required more improvement, the consenting plan has been postponed.

WP1/11 agreed to start eight new work items, as follows (see SG11-TD30/WP1):
  • Q.CPN-NC-SA: Signalling architecture of network control functions for CPN
    (Q1/11, baseline text: SG11-TD52/WP1).
  • Q.S-NICE-SA: Signalling architecture of S-NICE (Software-defined network intelligence capability enhancement) (Q1/11, baseline text: SG11-TD54/WP1).
  • Amendment to Recommendation ITU-T Q.1902.3 (Q2/11, baseline text: SG11-TD75/WP1)
  • Amendment to Recommendation ITU-T Q.763 (Q2/11, baseline text: SG11-TD76/WP1)
  • Amendment to Recommendation ITU-T Q.931 (Q2/11, baseline text: SG11-TD77/WP1)
  • Q.NCRP: Network coding protocol for network repeaters (Q2/11, baseline text: SG11-TD78/WP1)​
  • ​Q.cco-mec: Signalling requirements for orchestration supporting confidential computing in multi-access edge computing (Q4/11, baseline text: SG11-TD62/WP1)
  • Q.cpi: Signalling requirements for computing power identification of computing power network (Q4/11, baseline text: SG11-TD63/WP1)​
Also, WP1/11 achieved progress on 21 ongoing work items (see Annex D of WP1/11 report, SG11-TD36-R1/WP1). The Work programme of the WP1/11 will be updated accordingly.

There were some proposed new work items which were put in the living lists of Q2/11, Q3/11 and Q5/11 for further discussion in the future SG11 meeting (SG11-TD79/WP1, SG11-TD48/WP1, SG11-TD89/WP1).

WP1/11 sent out ten liaison statements. The lists of iLSs addressed to WP1/11 and oLSs of WP1/11 are available in SG11-TD28-R3/WP1 and SG11-TD38/WP1 accordingly.

More details are available in the WP1/11 report (SG11-TD36-R1/WP1​).​

WP2/11
There were no draft Recommendations consented by WP2/11 at this particular meeting.
Note: ITU-T draft Recommendation Q.IEC-PRO was planned to be consented at the WP2/11 plenary meeting (7 December 2022). However, as the baseline text was not mature enough and required more improvement, the consenting plan has been postponed.

WP2/11 agreed to start five new work items, as follows (see SG11-TD14/WP2):
  • Q.SPMA: Signalling and protocol management for multiple access types in IMT-2020 network and beyond (Q6/11, baseline text: SG11-TD41/WP2);
  • Q.UAMS-SRA: Signalling requirements and architecture for Urban Air Mobility (UAM) service environment (Q7/11, baseline text: SG11-TD32/WP2);
  • Q.HP2P-svcfrw: Hybrid peer-to-peer (P2P) communications: service framework (Q8/11, baseline text: SG11-TD48/WP2);
  • Amendment to Recommendation ITU-T Q.4102 (Q8/11, baseline text: SG11-TD46/WP2);
  • Amendment to Recommendation ITU-T Q.4103 (Q8/11, baseline text: SG11-TD47/WP2).​
Also, WP2/11 achieved progress on ten ongoing work items (see Annex D of WP2/11 report, SG11-TD19-R1/WP2). The Work programme of the WP2/11 will be updated accordingly.

There were some proposed new work items which were put in the living list of Q6/11 for further discussion in the future SG11 meeting (SG11-TD42/WP2​).

WP2/11 sent out six liaison statements. The lists of iLSs addressed to WP2/11 and oLSs of WP2/11 are available in SG11-TD12-R1/WP2 and SG11-TD28/WP2 accordingly.

More details are available in the WP2/11 report (SG11-TD19-R1/WP2​).​

WP3/11
WP3/11 consented one draft Recommendation, as follows:
  • ITU-T Q.4070 (ex Q. vbng-iop-ts): Test suite for interoperability testing of virtualized broadband network gateway (Q14/11, baseline text: SG11-TD25/WP3).
WP3/11 agreed to start two new work items, as follows (see SG11-TD17/WP3):
  • Q.UHD-T: The testing of 3D ultra high density IoT networks (Q12/11, baseline text: SG11-TD36/WP3);
  • Q.MMPS: Requirements and Reference Model of minimum monitoring parameter set generation of Multi-modality communication services in Digital Twin Network (Q13/11, baseline text: SG11-TD31/WP3).
Also, WP3/11 achieved progress on eight ongoing work items (see Annex D of WP3/11 report, SG11-TD15-R1/WP3). The Work programme of the WP3/11 will be updated accordingly.

WP3/11 sent out four liaison statements. The lists of iLSs addressed to WP3/11 and oLSs of WP3/11 are available in SG11-TD11/WP3 and SG11-TD24/WP3 accordingly.

More details are available in the WP3/11 report (SG11-TD15-R1/WP3​).​
6     Outgoing Liaison Statements​
The following table shows the list of outgoing liaison statements.​
 
# Q​WP

 For: To: Title Reference
1
1/11

WP1
I
ITU-T Study Group 2,
ITU-T Study Group 13,
ITU-T Study Group 17
LS/o on initiation of new work item Q.CPN-NC-SA "Signalling architecture of network control functions for CPN" [to ITU-T SG2, SG13, SG17]
SG11-TD53/WP1
2
1/11
WP1
I
ITU-T Study Group 13
LS/o on the new work item Q.S-NICE-SA "Signalling architecture of S-NICE (Software-defined network intelligence capability enhancement)" [to ITU-T SG13]
SG11-TD55/WP1
​​3
2/11
WP1
I
ITU-T Study Group 2
LS/o on new work items of amendments to ITU-T Q.1902.3/Q.763/Q.931 [to ITU-T SG2]
SG11-TD80/WP1
​4
2/11
WP1​
I
ITU-R SG5
IRTF NWCRG
LS/o on new work item Q.NCRP "Network coding protocol for network repeaters" [to ITU-R SG5, IRTF NWCRG]
SG11-TD81/WP1
​5
2/11
WP1
I
ITU-T Study Group 17
​LS/o/r on Coordination for Identity Management (SG17-LS25) [to ITU-T SG17]
SG11-TD82/WP1
​6
3/11
WP1
I
ITU-T Study Group 2
3GPP SA6
LS/o on the consent of draft new Recommendation ITU-T Q.3647 "Signalling requirements for emergency service in IMS roaming environment" [to ITU-T SG2, 3GPP SA6]
SG11-TD45/WP1
​7
​3/11
​WP1
​A
​ITU-T Study Group 2
3GPP CT4
​LS/o on proposed new draft Recommendation "Signalling requirements and procedures for bypassing network elements of IMS" [to ITU-T SG2, 3GPP CT4]
​SG11-TD46/WP1
​8
​3/11
​WP1
​I
​ITU-T Study Group 2
ITU-T Study Group 16
3GPP
GSMA
​LS/o on proposed new draft Recommendation "Requirements and framework of disaster mitigation and personnel rescue for sudden natural disasters in network" [to ITU-T SG2, SG16, 3GPP, GSMA]
​SG11-TD47/WP1
9
​4/11
​WP1
​I
​ITU-T Study Group 13
ITU-T Study Group 16
ITU-T Study Group 17
ETSI ISG MEC
​LS/o on initiation of new work item Q.cco-mec "Signalling requirements for orchestration supporting confidential computing in multi-access edge computing" [to ITU-T SG13, SG16, SG17 ETSI ISG MEC]
​SG11-TD64/WP1
​10
​4/11
​WP1
​I
​ITU-T Study Group 13
​LS/o/r on CPN and CNC related work progress in SG11 (SG13-LS19, SG13-LS38) [to ITU-T SG13]
​SG11-TD65/WP1
​11
​6/11
​WP2
​A
​ITU-T Study Group 13
ITU-T Study Group 5
​LS/o on consideration of a new work item on Q.PMEE“ Protocol for managing energy efficiency with AI-assisted analysis in IMT-2020 networks and beyond”
​SG11-TD43/WP2
12​
​7/11
​WP2
​I
​FG-AI4A
​LS/o/r on invitation to provide inputs to the roadmap of AI and IoT activities for digital agriculture (FG-AI4A-LS4) [to FG-AI4A]
​SG11-TD33/WP2
​13
​7/11
​WP2
​I
​ITU-T Study Group 16
ITU-T Study Group 17
ITU-T Study Group 20
ICAO
​LS/o on initiation of new work item Q.UAMS-SRA [to ITU-T SG16, SG17, SG20, ICAO]
​SG11-TD34/WP2​
14
​8/11
​WP2
​A
​ITU-T Study Group 16
​LS/o/r on the clarification of draft Recommendation ITU-T Q.HP2P-fvsigreq (SG16-LS44) [to ITU-T SG16]
​SG11-TD44/WP2
15​
​6/11
7/11
8/11
​WP2
​A
​ITU JCA IMT-2020
​LS/o/r on invitation to update the information in the IMT-2020 and beyond roadmap (JCA-IMT2020-LS12) [to JCA-IMT2020]
​SG11-TD51/WP2
​16
​8/11
​WP2
​I
​ITU-T Study Group 16
ISO/IEC JTC1/SC6
​LS/o on initiation of new work item ITU-T Q.HP2P-svcfrw [to ITU-T SG16, ISO/IEC JTC1/SC6]
​SG11-TD52/WP2
17
​12/11
​WP3
​I
​ITU-T Study Group 20
​LS/o on new work item Q.UHD-T “The testing of 3D ultra high density IoT networks” [to ITU-T SG20]
​SG11-TD37/WP3
​18
​13/11
WP3​​I
​ITU-T Study Group 13
​LS/o on the related developments of recent monitoring parameter set generation method based on digital twin network in Q13/11: one new draft Recommendation [to ITU-T SG13]
​SG11-TD32/WP3
19​
​13/11
14/11
​WP3
​I
​ITU-T Study Group 16
​LS/o/r on checking for possible duplication of work on conformity assessment test specification for software-defined cameras (SG16-LS65) [to ITU-T SG16]
​SG11-TD33/WP3
​20
​14/11
WP3​I​​ITU-T Study Group 13
ETSI ISG NFV
​LS/o on the consent of draft Recommendation ITU-T Q.4070 (ex. Q.vbng-iop-ts) “Test suite for interoperability testing of virtualized broadband network gateway” [to ITU-T SG13, ETSI ISG NFV]​
​SG11-TD34/WP3​​


7     Approved new work items
The following table shows 15 new work items approved by WP1/11, WP2/11 and WP3/11 on 7 December 2022 (SG11-TD30/WP1, SG11-TD14/WP2, SG11-TD17/WP3).

#​ Q​WP

 Work item
(Draft Recs)		 Title Editors Timing Reference
1
1/11
WP1
Q.CPN-NC-SA
Signalling architecture of network control functions for CPN
Qianying Zhao, China Telecom, China
zhaoqy50[at]chinatelecom.cn

Yunpeng Xie, China Telecom, China
xieyp6[at]chinatelecom.cn

Huan Deng, China Telecom, China
denghuan[at]chinatelecom.cn

Shuai Zhang, China Unicom, China
zhangs366[at]chinaunicom.cn

Xing Zhang
hszhang[at]bupt.edu.cn
2025 Q1
SG11-TD52/WP1
​​2
1/11
WP1
Q.S-NICE-SA
Signalling architecture of S-NICE (Software-defined network intelligence capability enhancement)
Wang Luman, China Telecom, China
wanglm6[at]chinatelecom.cn

Jianyin Zhang, China Mobile, China
zhangjianyin[at]chinamobile.com

Huan Deng, China Telecom, China
denghuan[at]chinatelecom.cn
2024 Q4
SG11-​TD54/WP1​
​3
2/11
WP1
Q.1902.3.amd
Amendment to Recommendation ITU-T Q.1902.3
"Bearer Independent Call Control protocol (Capability Set 2) and Signalling System No. 7 ISDN user part: Formats and codes"
Shi Minrui, China Telecom, China
shimr[at]chinatelecom.cn
2023-12
SG11-TD75/WP1
​4
2/11
WP1
Q.763.amd
Amendment to Recommendation ITU-T Q.763
"Signalling System No. 7 – ISDN User Part formats and codes"
Shi Minrui, China Telecom, China
shimr[at]chinatelecom.cn
2023-12
SG11-TD76/WP1
​5
2/11
WP1
Q.931.amd
Amendment to Recommendation ITU-T Q.931 "ISDN user-network interface layer 3 specification for basic call control"
Shi Minrui, China Telecom, China
shimr[at]chinatelecom.cn
2023-12
SG11-TD77/WP1​
​6
2/11
WP1
Q.NCRP
Network coding protocol for network repeaters
Andrey Kucheryavy, SPbSUT/NIIR, Russian Federation
akouch[at]mail.ru

Evgeny Tonkikh, NIIR, Russian Federation
et[at]niir.ru

Sergey Vladimirov, SPbSUT, Russian Federation
vladimirov.opds[at]gmail.com

Anastasia Vybornova, SPbSUT, Russian Federation
a.vybornova[at]spbgut.ru
2024-12​
SG11-TD78/WP1​
​7
​4/11
WP1​​Q.cco-mec
​Signalling requirements for orchestration supporting confidential computing in multi-access edge computing
​Jie Ren
Miao Xue
Huan Deng
Yuemin​g Lu
​2025-03
​SG11-TD62/WP1​
​8
​4/11
​WP1
​Q.cpi
​Signalling requirements for computing power identification of computing power network
​Wenjuan Xing
Jing Tang
Ying Cheng
Ying Liu
Wei Quan
​2025-03
​SG11-TD63/WP1
​9
​6/11
​WP2
​Q.SPMA
​Signalling and protocol management for multiple access types in IMT-2020 network and beyond
​Tangqing Liu
Dan Xu
Aipeng Guo
Nanxiang Shi
Lu Lu
​2024-12
​SG11-TD41/WP2
​10
​7/11
​WP2
​Q.UAMS-SRA
​Signalling requirements and architecture for urban air mobility (UAM) service environment
​Jongmin Lee
Yangjung Kim
Kwihoon Kim​​
​2024 Q1
​SG11-TD32/WP2
​11
​8/11
​WP2
​Q.HP2P-svcfrw
​Hybrid peer-to-peer (P2P) communications: service framework
​Wook Hyun
Miyoung Huh
Yingjun Ye
​2024 Q2
​SG11-TD48/WP2
​12
​8/11
​WP2
​Q.4102 Amd.1
​Hybrid peer-to-peer (P2P) communications: Peer protocol
​Changkyu Lee
Wook Hyun
​2024 Q2
​SG11-TD46/WP2
​13
​8/11
WP2​​Q.4103 Amd.1
​Hybrid peer-to-peer (P2P) communications: Overlay management protocol
​Miyoung Huh
Wook Hyun
​2024 Q2
​SG11-TD47/WP2
​14
​12/11
​WP3
​Q.UHD-T
​The testing of 3D ultra high density IoT networks
​Roman Dunaytsev
roman.dunautsev[at]mail.ru

Alexander Paramonov
alex-in-spb[at]yandex.ru

Andrey Koucheryavy
akouch[at]mail.ru

Evgeny Tonkikh
et[at]niir.ru

Alexey Borodin
borodin.msk[at]mail.ru
​2024-03
​SG11-TD36/WP3
​15
​13/11
​WP3
​Q.MMPS
​Requirements and Reference Model of minimum monitoring parameter set generation of Multi-modality communication services in Digital Twin Network
​Cancan Huang, China Telecom
huangcanc[at]chinatelecom.cn

Weihao Yu, China Telecom
yuwh3[at]chinatelecom.cn

Minrui Shi, China Telecom
shimr[at]chinatelecom.cn

Yongsheng Liu, China Unicom
liuys170[at]chinaunicom.cn

Zhiruo Liu, CAICT MIIT
liuzhiruo[at]caict.ac.cn
​2024 Q3
​SG11-TD31/WP3​​

8     Future meetings and next Study Group 11 meeting
8.1  Interim Rapporteur Group e-meetings (RGM)
Five interim Rapporteur Group e-meetings will be held before the next meeting of SG11 (Geneva, 10-19 May 2023).​

Q​WP
 Date Place / Host Terms of reference Contact
​Email reflector
4/11​​
 WP1​7-9 February 2023
e-meeting
  • ​​Progress Q.CPN and Q.hns to be ready for consent in May 2023 meeting
  • But not limited to
chengying10[at]chinaunicom.cn
t22sg11q4[at]lists.itu.int​
​​6/11
WP2​
6-8 March 2023
e-meeting
Including not limited to:
  • Progress Q.IITSN, Q.DIVS-IMT2020 and Q.IMT2020-PFW for consent
  • Progress other ongoing work items.
Dan XU
Q6/11 Rapporteur,
xudan6[at]chinatelecom.cn
t22sg11q6[at]lists.itu.int​
​12/11
​WP3
15-16 February 2023​​e-meeting
  • ​Progress on-going work items
  • But not limited to
Ruslan KIRICHEK
kirichek[at]sut.ru​		t22sg11q12[at]lists.itu.int​
12/11​
WP3​​12-13 April 2023

​e-meeting
  • ​Progress on-going work items
  • But not limited to
Ruslan KIRICHEK
kirichek[at]sut.ru​​
t22sg11q12[at]lists.itu.int​​
13/11​​
​WP3
27-28 February 2023 (Tentative)​e-meeting​
  • ​Progress ongoing work items
  • discuss any new work item proposals, iLS
  • but are not limited to​
Minrui Shi shimr[at]chinatelecom.cn​
t22sg11q13[at]lists.itu.int​​​

8.2     Next SG11 meeting
The next SG11 meeting is scheduled to take place in Geneva, from 10 to 19 May 2023 (see SG11 web page at: https://itu.int/go/tsg11​).

9     Liaison officers and Rapporteurs
The list of WP1/11 Rapporteurs is contained in SG11-TD27/WP1.
The list of WP2/11 Rapporteurs is contained in SG11-TD11/WP2.
The list of WP3/11 Rapporteurs is contained in SG11-TD10/WP3.

No changes were made to the list of liaison officers.

The list of Rapporteurs and Associate Rapporteurs can be found here. 
The list of liaison officers can be found here.

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