№ lp_2_1_16154
File format: docx Character count: 4372 File size: 65 KB
The document defines a change request for the sequence generation in uplink DM-RS in a RACH-less LTM switch under TS 38.211, specifying how the nSCID value is determined for pseudo-random sequence generation.
Year: 2025
Region / City: Dallas, USA
Topic: 5G Network, Uplink DM-RS, RACH-less LTM
Document Type: Change Request
Organization / Institution: 3GPP TSG-RAN WG1
Author: Ofinno
Target Audience: Technical experts, network engineers, RAN professionals
Period of validity: November 17th – 21st, 2025
Approval Date: 2025-11-19
Modification Date: N/A
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3GPP TS 38.211 V16.2.0 (2020-06) Technical Specification 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Physical channels and modulation (Release 16)
Year: 2020
Region / City: Sophia Antipolis, France
Topic: Radio Access Network, Physical Channels, Modulation
Document Type: Technical Specification
Organization / Institution: 3GPP
Author: 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC)
Target Audience: Telecommunications professionals, network engineers
Period of validity: Not specified
Approval Date: Not specified
Date of Changes: Not specified
3GPP TS 38.211 V15.6.0 (2019-06) Technical Specification
Year: 2019
Region / City: Global
Topic: NR Physical Channels and Modulation
Document Type: Technical Specification
Organization / Institution: 3GPP
Author: 3GPP Technical Specification Group Radio Access Network
Target Audience: Industry professionals in telecommunications and wireless networking
Validity Period: Ongoing
Approval Date: 2019-06
Modification Date: N/A
Discussion on how to reply to RAN2 LS on RACH-less handover
Year: 2023
Region / city: Toulouse, France
Theme: NTN RACH-less handover, RAN1 and RAN2 discussions
Document type: Discussion document
Author: Samsung
Target audience: RAN1 and RAN2 groups
Period of validity: August 21st – August 25th, 2023
Approval date: August 25th, 2023
Date of changes: N/A
Note: Context description
Misc RRC corrections for RACH-less HO [RACH-lessHO]
Year: 2024
Region / City: Maastricht, Netherlands
Topic: 5G, RACH-less Handover, Network
Document Type: Change Request
Organization / Institution: 3GPP TSG-RAN WG2
Author: Ericsson
Target Audience: Technical Working Group, 3GPP Members
Period of Validity: 2024-08-09 to 2024-08-23
Approval Date: 2024-08-09
Amendment Date: Not specified
Release: Rel-18
Work Item Code: NR_mobile_IAB-Core, NR_NTN_enh-Core, TEI18
Category: F
Impact Analysis: NR SA, NG EN-DC, NE-DC, NR-DC
Affected Functionality: RACH-less Handover
Interoperability: Network and UE Compatibility
Clauses Affected: 6.3.2
Other Specs Affected: TS 38.321 CR 1881
Test Specifications: Not specified
O&M Specifications: Not specified
Other Comments: Not specified
[Draft] Reply LS on UE RACH-less handover for mobile IAB
Year: 2023
Region / City: Chicago, IL, USA
Topic: Mobile IAB, RACH-less handover
Document Type: Liaison Statement
Organization: Qualcomm
Author: Georg Hampel
Target Audience: RAN2 group
Action Date: February 26 - March 1, 2024
Next Action Date: April 15 - 19, 2024
Date Approved: November 13-17, 2023
Date of Changes: None
Overall Description: A Liaison Statement from RAN3 to RAN2 addressing issues related to UE RACH-less handover during DU migration in mobile IAB.
Topics: DM-RS 38211 RACH-less