3GPP TSG-RAN WG1 Meeting #121	R1-2503264
St Julian’s, Malta, May 19 – 23, 2025

Agenda Item:	9.15.3
Source:	Huawei, HiSilicon
Title:	UE features for evolution of NR duplex operation
Document for:	Discussion and Decision

Conclusions
In this contribution, the following are proposed:
Proposal 1: Include the following additional components into FG 60-1
Support of separate UL power control for PUSCH/PUCCH/SRS transmissions in SBFD symbols and non-SBFD symbols 
Support of separate SRS configurations in SBFD symbols and non-SBFD symbols
Proposal 2: The support of UL transmission in one UL subband and DL reception in two non-contiguous DL subbands is defined as a separate FG including the following components
CSI processing timeline in SBFD symbols for the support of one contiguous CSI-RS resource allocation across two DL subbands
Maximum number of supported partial PRGs in SBFD symbols for the support of PDSCH reception across two DL subbands
Proposal 3: The support of UL transmissions or DL receptions across SBFD symbols and non-SBFD symbols (Configuration 2) is defined as a single FG separate from the basic FG.
Proposal 4: The support of RACH configuration Option 1 and Option 2 are defined as separate FGs, i.e., no default option.
Proposal 5: The support of Msg3 repetition in SBFD symbols is not defined as a separate FG.
Proposal 6: For both FG 60-7 and FG 60-7a, UE supports different UL resource muting for DG/Type 2 CG PUSCH and Type 1 CG PUSCH.
Proposal 7: The support of semi-persistent L1 L1-RSSI measurement resource and aperiodic reporting is defined as a separate UE capability.
Proposal 8: The table in Annex 1 is taken as the starting point for further UE feature discussion on Rel-19 SBFD.

3GPP TSG RAN WG1 #121			R1-2503333
St Julian’s, Malta, May 19th – 23th, 2025

Source:	ZTE
Title:	Discussion on UE features for Rel-19 SBFD
Agenda item:	9.15.3
Document for:	Discussion and Decision

Conclusion
In this section, our proposals on UE features for SBFD operation in Rel-19 are summarized.
Proposal 1: Support the following revision on the basic FG for SBFD operation. 

Proposal 2: Support the following revision on FG 60-2. 

Proposal 3: For FG 60-3 and FG 60-4, FG 60-3 is the prerequisite FG of FG 60-4, and down-select from the following two alternatives. 
Regarding whether to add additional components, down-select from the following two alternatives.
Alt 1: 
Add the following components in FG 60-3.
Support of reinterpretation of frequency offset of lowest RO
Support of separate power control parameters in additional-RO
Support of separate mapping of SSB and additional ROs, and separate determination of the association period and association pattern period.
Add the following components in FG 60-4.
Support of valid RO across SBFD and non-SBFD symbols
Alt 2: Keep FG 60-3 and FG 60-4 concise as it is.  Neither add any additional components nor any additional separate FGs. 
Note: If legacy FGs, e.g., Msg1 repetition, is reported together with FG 60-3/60-4, the conjunction of Msg1 repetition and SBFD is supported.  

Proposal 4: For UL resource muting, support the following for FG 60-7 and 60-7a. 
Support different UL muting patterns between DG/Type 2 CG PUSCH and Type 1 CG PUSCH
NOT to add FG 60-1 as the prerequisite
Reporting granularity: per band

Proposal 5: Support the following revisions on L1-based UE-UE measurement and reporting related FGs. 

3GPP TSG-RAN WG1 Meeting #121																		R1-2503387
St Julian's, Malta, 19 - 23 May, 2025

Source:	vivo
Title:	Discussion on UE features for evolution of NR duplex operation: SBFD
Agenda Item:	9.15.3
Document for:	Discussion and Decision

Conclusion
The FGs for SBFD are summarized as follows.

SBFD operation



SBFD RACH


CLI handling

3GPP TSG RAN WG1 #121	R1- 2503401
St Julian’s, Malta, 19 – 23 May 2025

Agenda item:		9.15.3
Source:	Nokia
Title:	Views on UE features for the evolution of NR duplex operation
Document for:		Discussion and Decision

TDoc file conclusion not found

3GPP TSG RAN WG1 Meeting #121                                                                                                                                                     R1-2503444
St Julian’s, Malta, May 19th – 23rd, 2025 
Agenda item:		9.15.3
Source:	MediaTek Inc.
Title:	Discussion on UE features for evolution of NR duplex operation
Document for:		Discussion and Decision

Conclusion
In this contribution, we provided our views on UE feature groups for supporting gNB SBFD operation.
UE Features for SBFD Operation


UE Features for SBFD Random Access Operation


UE Features for UL Resource Muting for PUSCH in SBFD symbols
Support of separate UL muting patterns for DG/Type 2 CG PUSCH and Type 1 CG PUSCH is added to FG 60-7 and FG 60-7a

UE Features for L1 UE-UE CLI Measurement and Reporting

3GPP TSG RAN WG1 #121			  R1-2503533
St Julian’s, Malta, May 19th – 23th, 2025

Agenda item:	9.15.3
Source: 	Spreadtrum, UNISOC
Title: 	Discussion on UE features for evolution of NR duplex operation SBFD
Document for:	Discussion and decision

Conclusion
In this contribution, we made the following observation and proposals.
Proposal 1. Support FGs in Table 1 for SBFD-aware UE TX/RX/measurement behaviour and procedures.
Proposal 2. Support FGs in Table 2 for SBFD random access operation.
Proposal 3. Support FGs in Table 3 for UL resource muting, L1-CLI-RSSI measurement and L1-SRS-RSRP measurement.

3GPP TSG RAN WG1 #121				     R1-2503593
St Julian’s, Malta, May 19th – 23rd, 2025

Agenda Item:	9.15.3
Source:	Samsung
Title:	UE features for Rel-19 Duplex Evolution for NR
Document for:	Discussion
1. 

Conclusions
In this contribution, we make the following proposals.

(UE features for SBFD operation but excluding Random Access or CLI)

Proposal 1. Support the following for basic FG 60-1

Proposal 2. Support the following FG 60-2 for SBFD to support configuration 2.

Proposal 3. Support the following FG for SBFD to support DL reception across two DL subbands in SBFD symbol

Proposal 4. Support the following FG for SBFD to take into account counting of non-contiguous CSI-RS across two DL subbands in SBFD symbol

Proposal 5. Support the following FG for SBFD to take into account rate-matching of PDSCH reception within DL subband(s) in SBFD symbol

(Random Access related)

Proposal 6. Support the (new) Alt. 4 “UE supporting SBFD random access supports Option 1 and Option 2”.

Proposal 7. For proposal 3-3 (PRACH repetition) support Alt.2: separate FGs for RACH configuration Option 1 and Option 2 are necessary.

Proposal 8. Support/introduce the FG as by proposal 3-4 (PUSCH msg.3 repetition).

(UL resource muting for PUSCH in SBFD symbols)

Proposal 9: For FGs 60-7/60-7a and FFS: Whether this FG only support one common pattern of UL muting for DG/Type 2 CG PUSCH and Type 1 CG PUSCH
Support one common pattern of UL muting for DG and one common pattern for Type 2 CG PUSCH and Type 1 CG PUSCH.

Proposal 10: For FG 60-7/60-7A, add component “Support 1 or 2 UL muting symbols on PUSCH > 7 symbols for PUSCH mapping type A”.

Proposal 11: For FG 60-7/60-7A, add component “For PUSCH mapping type A, support 1 UL muting symbol before the first FL DMRS and 1 UL muting symbol after the first FL DMRS”
Proposal 12: For FG 60-7/60-7A, add component “For PUSCH mapping type B, support 1 UL muting symbol”.

Proposal 13: For FG 60-7/60-7A, add the additional restriction that UL resource muting is not applied to a PUSCH which only carries a UCI payload but no data payload.

(L1 UE-UE CLI measurement and report)

Proposal 14: For FG 60-8, support component 1 “Aperiodic L1 CLI-RSSI reporting on PUSCH and periodic L1 CLI-RSSI reporting on PUCCH, and component 3 Periodic and aperiodic CLI-RSSI measurement resource.

Proposal 15: For FG 60-9, support component 1 “Aperiodic L1 SRS-RSRP reporting on PUSCH, and periodic and aperiodic SRS-RSRP measurement resource.

3GPP TSG RAN WG1 #121	R1-2503742
St Julian’s, Malta, May 19th – May 23th, 2025

Agenda item:		9.15.3
Source:		Ofinno
Title:			Discussion on Rel-19 UE feature for evolution of NR duplex
Document for:	Discussion and Decision

Conclusion
This contribution has discussed the remaining issues related to UE feature on SBFD. The following are our proposals: 

Proposal 1. Update 60-1 basic FG to include power control, PUCCH resource, and to limit 60-1 to one DL subband.
Proposal 2. Support of PDSCH reception in two non-contiguous DL subbands should be a separate FG, as in table in Annex A.
Proposal 3. Support to introduce a new FG for rate matching of PDSCH reception within DL subband(s) in SBFD symbols, as in the table in Annex A.
Proposal 4. Update 60-3 and 60-4 random access features to include CFRA initiated by PDCCH order and introduce new features, as in table in Annex A.
Proposal 5. Adopt Alt 1 for SBFD random access. 
Proposal 6. Update 60-9a to include PRS as a DL signals/channels.

Annex A. Update for UE features for evolution of NR duplex operation

3GPP TSG RAN WG1 #121		R1-2503783
Wuhan, China, April 7th – 11th, 2025

Source:	CATT
Title:	UE features for SBFD 
Agenda Item:	9.15.3
Document for:	Discussion and Decision

Conclusion
In this contribution, we provided CATT views regarding RAN1 UE features for supporting Rel-19 SBFD with following proposed UE capabilities.
Proposal 1: Support the following basic FG for SBFD.

Proposal 2: Support the following FG for partial PRG.

Proposal 3: Support the following FG for SBFD operation configuration 2.

Proposal 4: Support the following FGs for SBFD operation configuration 2.

Proposal 5: Support the following FGs for SBFD random access operation

Proposal 6: Support the following FGs for UL resource muting.

Proposal 7: Separate FGs are defined for aperiodic L1 CLI-RSSI reporting on PUSCH and periodic L1 CLI-RSSI reporting on PUCCH.
Proposal 8:  Support the following FGs for L1-CLI-RSSI measurement.

Proposal 9: Define a separate FG for semi-persistent L1 CLI-RSSI measurement resource and aperiodic reporting.

Proposal 10:  Support the following FG for L1 SRS-RSRP measurement.

3GPP TSG RAN WG1 #121			                          R1-2503852
St Julian’s, Malta, May 19th – 23th, 2025

Source: 	CMCC
Title:	Discussion on UE features for evolution of NR duplex operation: SBFD
Agenda item:	9.15.3
Document for:	Discussion & Decision
1	

Conclusions
In this contribution, we discuss the Rel-19 UE feature for SBFD and propose the following FGs for NR duplex evolution.
Proposal 1: Take the following UE FGs for NR duplex evolution:

4 

3GPP TSG RAN1 #121			R1-2503902
St Julian’s, Malta, May 19th – 23rd,  2025

Source: 	     Xiaomi
Title:                  UE feature for SBFD
Agenda item:    9.15.3
Document for:  Decision 

Conclusion 
In this contribution, we discussed remaining issues on UE features for SBFD operation, with the following proposals.
Proposal 1: For FG 60-1, include two DL subband support for PDSCH in component 2. CSI-RS reception across two DL subband is defined as a separate FG.
Proposal 2: For FG 60-1, agree the following two notes as in the previous agreement:
Note: Only UL transmissions are allowed within UL subband and only DL receptions (except for CLI measurement) are allowed within DL subband(s)
Note: The maximum number of UL subbands for SBFD operation in an SBFD symbol within a TDD carrier is one.
Proposal 3: For FG 60-1, include the following components:
Support of separate UL power control parameters based on unified TCI framework in SBFD symbols and non-SBFD symbols
Support of separate SRS resource set configuration in SBFD symbols and non-SBFD symbols
Proposal 4: Support of UL transmission across SBFD symbols and non-SBFD symbols (Configuration 2) is defined as a separate FG from FG 60-2.
Adopt “Per band” type for the separate FG.
Proposal 5: Adopt “Per band” type for FG 60-2.
Proposal 6: The following UE features are proposed for SBFD random access operation.
Proposal 7: Adopt “Per band” type for FG 60-9, 60-9a, 60-8, 60-9b, 60-7 and 60-7a.

3GPP TSG RAN WG1 #121		R1-2504212
St Julian’s, Malta, May 19th – 23rd, 2025

Source:	OPPO
Title:	   Discussion on UE features for Rel-19 NR Duplex
Agenda Item:	9.15.3
Document for:	Discussion and Decision

Conclusion
This contribution concludes with following proposals:
Proposal 1:  The component 2 of FG 60-1 contains the support of two DL subbands  
Proposal 2: FG 60-1 contains the component 7 for Support of separate UL power control parameters based on unified TCI framework in SBFD symbols and non-SBFD symbols.
Proposal 3: FG 60-1 contains the component 9 for Support of separate SRS resource set configuration in SBFD symbols and non-SBFD symbols.
Proposal 4: Split FG 60-2 into two FG’s, one or DL reception and another for UL transmission. 
Both split FGs have FG 60-1 as the prerequisite. 
Proposal 5: Treat SBFD random access Option 1 as the default, i.e., FG 60-4 takes {60-1,60-3} as prerequisite.
Proposal 6: Both FG 60-7 and FG 60-7a only support one common pattern of UL muting for DG/Type 2 CG PUSCH and Type 1 CG PUSCH. 
Proposal 7: FG 60-8 is split into two FG3, one for periodic reporting on PUCCH, another for aperiodic reporting on PUSCH.    
Proposal 8: FG 60-9 component 1 contains both periodic and aperiodic SRS-RSRP measurement resources. 

3GPP TSG RAN WG1 #121		                                                                                                                                                                                                 	R1- 2504354
St Julian’s, Malta, May 19th – 23th, 2025

Agenda item:	9.15.3
Source: 	Apple Inc.
Title: 	Views on UE features for Rel-19 SBFD
Document for:	Discussion/Decision

Views on UE features for Rel-19 NR duplex operation: SBFD
In this contribution, we present our high-level views on UE features for Rel-19 SBFD, based on the progress achieved in previous meeting. The FGs are organized in the following way to handle different objectives/agendas in NR Rel-19 NR SBFD. 
FG 60-1x covers SBFD TX/RX/measurement procedures
FG 60-2x covers SBFD random access operation
FG 60-3x covers CLI handling
SBFD TX/RX/measurement procedures
Discussion

Proposal 1: For the Basic feature for SBFD-aware UE, the following components shall be included
Support of DUD and/or DU
Candidate values can be {DUD, DU, both}
Additional transient time from non-SBFD symbol to SBFD symbol for DL reception  
Candidate values can be {1, 2, 3} symbols in TDD SCS
A starting symbol index for SBFD symbols
Candidate values can be {0, 2, 7} 

SBFD random access operation

CLI handling 

TDoc file conclusion not found

3GPP TSG RAN WG1 #121			   									 R1-2504421
St Julian’s, Malta, May 19th – 23rd, 2025
Agenda item:	9.15.3
Source: 	Qualcomm Incorporated
Title: 	UE features for evolution of NR duplex operation
Document for:	Discussion/Decision

Summary#2 of discussion on Rel-19 NR UE features for SBFD, NTT DOCOMO, INC
R1-2502977, Updated RAN1 UE features list for Rel-19 NR after RAN1 #120bis, Moderators (AT&T, NTT DOCOMO, INC.)

3GPP TSG RAN WG1 #121		                                                              	R1-2504525
St Julian’s, Malta, May 19th – 23th, 2025

Source:	NTT DOCOMO, INC.
Title:	Discussion on UE features for evolution of NR duplex operation
Agenda Item:	9.15.3
Document for: 	Discussion and Decision

Conclusion
In this contribution, we discussed UE features for Rel-19 duplex evolution enhancements. We have following proposals:
Proposal 1: For support of separate UL configurations for SBFD and non-SBFD symbols:
Separate UL power control parameters in SBFD symbols and non-SBFD symbols are supported if UE reports support of both FG 23-1-1 (unified TCI framework) and FG 60-1.
“Support of separate SRS resource set configuration in SBFD symbols and non-SBFD symbols” should be part of FG 60-1.
Proposal 2: “Support of DL reception in two non-contiguous DL subbands” should be part of FG 60-1 at least for PDSCH.
Maximum number of supported partial PRGs in SBFD symbols should be reported as part of FG 60-1.
Candidate values: {2, 4}

Proposal 3: “Support of CSI-RS reception in two non-contiguous DL subbands” should be part of FG 60-1.
Whether UE supports legacy CSI processing timeline or scaled CSI processing timeline for one contiguous CSI-RS resource allocation across two DL subbands should be reported.

Proposal 4: Configuration 2 for transmission and reception should be defined in a single FG.
Proposal 5: For FG 60-3 and FG 60-4 for SBFD random access operation:
UE supporting SBFD random access needs to support at least Option 1, i.e. 60-3 should be prerequisite of 60-4.
Support of valid RO across SBFD and non-SBFD symbols should be part of FG 60-4.

Proposal 6: Support of PRACH repetition in additional ROs should be single separate FG (e.g., as FG 60-5), without further separation between RACH configuration option 1 and option 2.
Proposal 7: Regarding Msg.3 repetition in SBFD symbols, clarify in FG 60-3/4 Note column that “Note: When a UE supports this FG and FG 30-6, the UE also support Msg.3 repetition in SBFD symbol”.
Proposal 8: For FG 60-7 and FG 60-7a:
Separate configurations of UL muting pattern for DG/Type 2 CG PUSCH and Type 1 CG PUSCH should be part of FG 60-7 and FG 60-7a.
Separate configurations of UL muting pattern for per Type-1 CG PUSCH should be part of FG 60-7 and FG 60-7a.
Reporting type is per band.

Proposal 9: For L1 CLI-RSSI measurement and reporting,
Periodic L1 CLI-RSSI reporting on PUCCH should be included as part of FG 60-8.
Periodic L1 CLI-RSSI measurement resource should be part of FG 60-8.
Supported maximum number of configured L1 CLI-RSSI measurement resources (sum of periodic/semi-persistent/aperiodic) across all CCs should be part of FG 60-8.
Define a separate FG for support of semi-persistent L1 CLI-RSSI measurement resource for aperiodic L1 CLI-RSSI reporting.

Proposal 10: For L1 SRS-RSRP measurement and reporting,
Periodic L1 SRS-RSRP measurement resource should be part of FG 60-9.
Supported maximum number of configured L1 SRS-RSRP measurement resources (sum of periodic/semi-persistent/aperiodic) across all CCs should be part of FG 60-9.

3GPP TSG RAN WG1 Meeting #121	R1-2504614
St Julian’s, Malta, May 19th – 23rd, 2025

Agenda Item:	9.15.3
Source:	Ericsson
Title:	UE-features for SBFD
Document for:	Discussion, Decision

Conclusion
In the previous sections we made the following observations: 
Observation 1	Using the same component names or descriptions for contradictory capabilities in different FGs opens for ambiguous interpretations and should be avoided.
Observation 2	RAN1 agreements clearly states that Configuration 1 is used for Msg3 repetitions.
Observation 3	Option 1 and Option 2 target different UE types and therefore, per agreement, a UE is not expected to support both options.
Observation 4	Support for ROs across both SBFD and non-SBFD symbols is a network configuration but should not be a separate UE-capability to avoid capability mismatch.

Based on the discussion in the previous sections we propose the following:
Proposal 1	RAN1 to strive to keep the number of UE-features small for SBFD.
Proposal 2	Include support for DL reception in two non-contiguous DL subbands in component 2 of basic FG 60-1.
Proposal 3	Include support for determination of link direction, i.e., component 2 of basic FG 60-1.
Proposal 4	Include support for separate CSI reports for SBFD and non-SBFD symbols, including the determination of subbands for CSI reporting, in basic FG 60-1.
Proposal 5	Include support for separate UL power control parameters based on unified TCI framework for SBFD and non-SBFD symbols in basic FG 60-1.
Proposal 6	Include support for separate SRS resource set configuration in SBFD and non-SBFD symbols in basic FG 60-1.
Proposal 7	Include support for Configuration 1, including determination of valid symbol type, in the basic FG 60-1.
Proposal 8	Include support for DL partial PRG in basic FG 60-1.
Proposal 9	Include support for determination of transport block size of PDSCH/PUSCH subject to valid symbol type, FDRA in DCI and SBFD configuration, in basic FG 60-1.
Proposal 10	Include support for transmissions and receptions across SBFD and non-SBFD symbols in a single FG for both UL transmission and DL reception in FG 60-2.
Proposal 11	For FG 60-1, change Component name to ‘4. Support of UL transmissions or DL receptions in either SBFD symbols or non-SBFD symbols in different slots’.
Proposal 12	For FG 60-2, change Component names to ‘1. Support of PDSCH reception in both SBFD symbols and non-SBFD symbols in different slots’ and ‘2. Support of UL transmissions in both SBFD symbols and non-SBFD symbols in different slots’.
Proposal 13	For FG 60-2, change consequence description to ‘Transmission and reception in both SBFD symbols and non-SBFD symbols in different slots is not supported’.
Proposal 14	Configurations 1 and 2 does not apply to PRACH or RAR.
Proposal 15	A UE supporting the single RACH configuration needs to support at least Configuration 1 (Alt. 1).
Proposal 16	Support separate FGs for the single and additional RACH configurations.
Proposal 17	Support of a valid RO across SBFD and non-SBFD symbols is a component of the FG for SBFD random access based on the additional RACH configurations (Option 2) (Alt. 1).
Proposal 18	PRACH preamble repetitions and Msg3 repetitions for both the single and additional RACH configurations are determined by the corresponding legacy UE-features for PRACH preamble and Msg3 repetitions.
Proposal 19	FGs 60-8 and 60-9 contain only aperiodic reporting. Periodic reporting is moved to separate (new) FGs.
Proposal 20	Support “Per band” type for all FGs related to UL resource muting and CLI measurement.
Proposal 21	For FG 60-8 delete component 2 “Support of CLI-RSSI measurement resource configured in one UL subband only, in one DL subband only, or across two DL subbands only” according to the latest agreement from RAN1 #120bis.
Proposal 22	FGs 60-8 and 60-9 are not defined with pre-requisite FGs.

3GPP TSG RAN WG1 #121		                                         R1-2504657
St Julian’s, Malta, May 19th – 23th, 2025

Agenda item:	9.15.3
Source: 	Moderator (NTT DOCOMO, INC.)
Title: 	Summary of discussion on Rel-19 NR UE features for SBFD
Document for:	Discussion and Decision

Conclusions
TBD

TDoc file reading error

3GPP TSG RAN WG1 #121		                                         R1-2504801
St Julian’s, Malta, May 19th – 23th, 2025

Agenda item:	9.15.3
Source: 	Moderator (NTT DOCOMO, INC.)
Title: 	Summary#2 of discussion on Rel-19 NR UE features for SBFD
Document for:	Discussion and Decision

Conclusions
TBD

3GPP TSG RAN WG1 #121		                                         R1-2504840
St Julian’s, Malta, May 19th – 23th, 2025

Agenda item:	9.15.3
Source: 	Moderator (NTT DOCOMO, INC.)
Title: 	Summary#3 of discussion on Rel-19 NR UE features for SBFD
Document for:	Discussion and Decision

Conclusions
TBD