23 NR SRVCC to UTRAN
25.3003GPPGeneral descriptionRelease 17Stage 2TSUniversal Terrestrial Radio Access Network (UTRAN)
The feature NR SRVCC to UTRAN enables a UE to perform a SRVCC procedure from NR only to UTRAN FDD. The SRVCC architecture and signalling flow have been defined in TS 23.216 [15]. In TS 38.300 [16], inter-RAT mobility procedure on NR SRVCC to UTRAN FDD has been defined. The UE receives in the handover to UTRAN command security information which is used to derive both ciphering and integrity protection keys for operation in UTRAN, as specified in TS 38.300 [16]. During the handover, as specfied in TS 25.413 [17], the target RNC node receives the SRVCC source RAT indication from the source NR node. After the UE completes the IMS voice service in UTRAN FDD, the security mode control procedure is performed to activate the integrity protection for the voice service in the CS domain. When and how to perform the return procedure from UTRAN to NR after the UE completes the voice service depends on UE implementation.
Annex A (informative):
Change history
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Change history |
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Date |
TSG # |
TSG Doc. |
CR |
Rev |
Cat |
Subject/Comment |
New |
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02/2014 |
R2-85 |
R2-140618 |
– |
– |
Initial Skeleton Document |
0.0.1 |
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|
02/2014 |
R2-85 |
R2-140860 |
– |
– |
Updates after review. Removal of section 4, updated wording of the scope |
0.0.2 |
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02/2014 |
R2-85 |
R2-140895 |
– |
– |
TS version 0.1.0 as agreed |
0.1.0 |
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05/2014 |
R2-86 |
R2-142782 |
– |
– |
Incorporating the Hetnet stage 2 description |
0.1.1 |
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R2-86 |
R2-142925 |
– |
– |
TS version 0.2.0 as agreed by email discussion [86#11] after RAN2 #86 |
0.2.0 |
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R2-86 |
R2-142926 |
– |
– |
TS version 1.0.0 as agreed by email discussion [86#11] after RAN2 #86 |
1.0.0 |
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06/2014 |
RP-64 |
RP-140844 |
– |
– |
TS version 1.0.0 submitted to RAN#64 for 1-step approval Approved as 12.0.0 at RAN#64 and MCC clean-up |
12.0.0 |
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|
RP-64 |
RP-140882 |
0001 |
– |
Stage 2 description of Power Saving Mode feature for UMTS |
12.1.0 |
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09/2014 |
RP-65 |
RP-141504 |
0002 |
– |
Stage-2 details of WLAN/3GPP Radio Interworking for UMTS |
12.2.0 |
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RP-65 |
RP-141503 |
0008 |
1 |
Introduction of DSAC and PPAC update in CELL_DCH |
12.2.0 |
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RP-65 |
RP-141500 |
0007 |
1 |
Introduction of DCH Enhancements |
12.2.0 |
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RP-65 |
RP-141503 |
0003 |
1 |
Introduction of Further EUL enhancements |
12.2.0 |
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RP-65 |
RP-141502 |
0006 |
2 |
Introduction of a second broadcast channel |
12.2.0 |
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RP-65 |
RP-141501 |
0005 |
– |
CR to 25.300 on the introduction of Heterogeneous Networks Enhancements |
12.2.0 |
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12/2014 |
RP-66 |
RP-142127 |
0009 |
– |
Cleanup corrections for Access group mechanism |
12.3.0 |
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RP-66 |
RP-142122 |
0011 |
– |
Clarification on handling of dedicated parameters upon cell selection&reselection |
12.3.0 |
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RP-66 |
RP-142126 |
0010 |
1 |
CR to 25.300 on the correction of Second Broadcast Channel |
12.3.0 |
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RP-66 |
RP-142128 |
0013 |
1 |
Introduction of increased UE carrier monitoring |
12.3.0 |
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06/2015 |
RP-68 |
RP-150919 |
0014 |
– |
Clarification for Access Group based access control |
12.4.0 |
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12/2015 |
RP-70 |
RP-152064 |
0032 |
– |
Introduction of NAICS for UMTS |
13.0.0 |
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RP-70 |
RP-152060 |
0031 |
1 |
CR to 25.300 on the introduction of Downlink TPC enhancements for UMTS |
13.0.0 |
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RP-70 |
RP-152061 |
0025 |
1 |
Introduction of retrievable configurations |
13.0.0 |
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RP-70 |
RP-152061 |
0026 |
1 |
Introduction of URA_PCH with seamless transition |
13.0.0 |
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RP-70 |
RP-152061 |
0027 |
1 |
Introduction of improved synchronized RRC procedures |
13.0.0 |
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RP-70 |
RP-152061 |
0030 |
1 |
Introduction of blind HARQ retransmissions for HSDPA |
13.0.0 |
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RP-70 |
RP-152062 |
0029 |
1 |
Introduction of enhanced state transition |
13.0.0 |
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RP-70 |
RP-152061 |
0028 |
1 |
Introduction of optimization from IDLE to CONNECTED state |
13.0.0 |
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RP-70 |
RP-152063 |
0022 |
1 |
Introduction of extended DRX in Idle mode |
13.0.0 |
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RP-70 |
RP-152066 |
0033 |
1 |
Introduction of Application specific Congestion control for Data Communication (ACDC) in UTRAN |
13.0.0 |
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03/2016 |
RP-71 |
RP-160466 |
0035 |
2 |
Correction on signalling transmission control due to access group blocking of DTCH |
13.1.0 |
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06/2016 |
RP-72 |
R2-164343 |
0040 |
1 |
Correction on DCH enhancements |
13.2.0 |
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09/2016 |
RP-73 |
RP-161748 |
0045 |
1 |
Introduction of RRC events for UPH reporting |
14.0.0 |
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RP-73 |
RP-161748 |
0046 |
1 |
Introduction of simultaneous setup and release of RABs and RBs |
14.0.0 |
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12/2016 |
RP-74 |
RP-162330 |
0047 |
1 |
Introduction of HS-SCCH DRX operation in CELL_FACH state |
14.1.0 |
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|
RP-74 |
RP-162331 |
0048 |
1 |
Introduction of Dual Cell E-DCH operation enhancements |
14.1.0 |
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03/2017 |
RP-75 |
RP-170654 |
0053 |
– |
A |
Correction for traffic steering granularity for RAN assisted WLAN interworking |
14.2.0 |
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03/2017 |
RP-75 |
RP-170648 |
0054 |
1 |
B |
Introduction of QoE Measurement Collection for streaming services |
14.2.0 |
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06/2017 |
RP-76 |
RP-171240 |
0056 |
2 |
B |
Introduction of DL interference mitigation |
14.3.0 |
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09/2017 |
RP-77 |
RP-171591 |
0058 |
1 |
F |
Corrections for DL Interference Mitigation |
14.4.0 |
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09/2017 |
RP-77 |
RP-171592 |
0057 |
– |
B |
Introduction of Simplified HS-SCCH type 1 operation for UMTS |
15.0.0 |
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03/2018 |
RP-79 |
RP-180067 |
0059 |
1 |
C |
Introduction of QoE Measurement Collection for MTSI services |
15.1.0 |
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03/2020 |
RP-87e |
RP-200051 |
0060 |
2 |
B |
Introduction of NR SRVCC to UTRAN |
16.0.0 |
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07/2020 |
RP-88e |
RP-200573 |
0061 |
– |
F |
Correction on ciphering for NR SRVCC to UTRAN |
16.1.0 |
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03/2022 |
RP-95e |
– |
– |
– |
– |
Upgrade to Rel-17 version without technical change |
17.0.0 |