№ files_lp_4_process_3_126879
File format: docx
Character count: 4910
File size: 45 KB
Technical change request to 3GPP TS 38.101-4 specifying additional minimum test requirements and parameters for PMI reporting with 64 CSI-RS ports using the eType II codebook in NR FDD configurations with 4-receiver user equipment.
Year:
2026
Location:
Gothenburg Metropolitan Area, Sweden
Meeting:
3GPP TSG-RAN4 Meeting #118
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG-RAN4
Specification:
3GPP TS 38.101-4
Current Specification Version:
19.1.0
Release:
Rel-19
Category:
B (addition of feature)
Work Item Code:
NR_MIMO_Ph5-Perf
Source Company:
Apple
Source to TSG:
R4
Date:
2026-01-29
Affected Clause:
6.3.3.1
Related Test Specification:
TS 38.521-4
Technical Topic:
NR MIMO performance and PMI reporting
Technology Domain:
5G NR radio access
Duplex Mode:
FDD
Antenna Configuration:
64Tx / 4Rx
Purpose of Change:
Introduction of PMI reporting requirements with 64 CSI-RS ports using eType II codebook
Summary of Change:
Addition of requirements for 64-TX eType II configuration for FDD with 4RX
Basis Document:
Endorsed draft Big CR R4-2521039
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.
The file will be delivered to the email address provided at checkout within 12 hours.
Don’t have cryptocurrency yet?
You can still complete your purchase in a few minutes:- Buy Crypto in a trusted app (Coinbase, Kraken, Cash App or any similar service).
- In the app, tap Send.
- Select network, paste our wallet address.
- Send the exact amount shown above.
The final amount may vary slightly depending on the payment method.
The file will be sent to the email address provided at checkout within 24 hours.
The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2026
Region / City:
Gothenburg Metropolitan Area, Sweden
Topic:
PMI Reporting Requirements
Document Type:
Change Request (CR)
Organization / Institution:
3GPP TSG-RAN4
Author:
Apple
Target Audience:
3GPP Working Groups
Period of Effect:
2026-02-09 to 2026-02-13
Approval Date:
2026-01-29
Modification Date:
N/A
Related Specifications:
TS 38.521-4
Affected Clauses:
6.3.3.1
Release:
Rel-19
Category:
B
Work Item Code:
NR_MIMO_Ph5-Perf
Year:
2023
Region / City:
Incheon, KR
Topic:
NR 3Tx 4Rx
Document Type:
Meeting Report
Source:
OPPO
Target Audience:
Technical engineers, network operators
Period of validity:
May 22 – May 26, 2023
Approval Date:
Not specified
Modification Date:
Not specified
Year:
2026
Region / City:
Gothenburg Metropolitan Area, Sweden
Topic:
PMI Reporting Requirements
Document Type:
Change Request (CR)
Organization / Institution:
3GPP TSG-RAN4
Author:
Apple
Target Audience:
3GPP Working Groups
Period of Effect:
2026-02-09 to 2026-02-13
Approval Date:
2026-01-29
Modification Date:
N/A
Related Specifications:
TS 38.521-4
Affected Clauses:
6.3.3.1
Release:
Rel-19
Category:
B
Work Item Code:
NR_MIMO_Ph5-Perf
Year:
2020
Region / City:
E-meeting
Theme:
Telecommunications
Document Type:
Technical Proposal
Author:
Huawei, HiSilicon
Target Audience:
Industry professionals in telecommunications
Period of validity:
August 17th – 28th, 2020
Approval Date:
Not specified
Modification Date:
Not specified
Note:
Context
Document Type:
Meeting Report
Organization:
3GPP TSG RAN WG1
Date:
August 17–28, 2020
Reference ID:
R1-200abcd
Scope:
CSI enhancements for MTRP and FR1 FDD reciprocity
Frequency Range:
FR1
Duplex Mode:
FDD
Scenario:
Dense Urban Macro
Antenna Configuration:
gNB 16–32 ports, UE 2–4 RX
Evaluation Metrics:
Throughput and CSI feedback overhead
MIMO Scheme:
SU-MIMO / MU-MIMO with rank adaptation
Channel Modeling:
FDD DL/UL reciprocity, Options 1 and 2
Companies Participating:
19 companies including VIVO, Samsung, Ericsson, Nokia, Apple, Huawei/HiSi
Year:
2020
Region / city:
E-meeting
Topic:
CSI enhancements for MTRP and FR1 FDD reciprocity
Document Type:
Technical Report
Organization / institution:
Huawei, HiSilicon
Author:
Not specified
Target audience:
Industry professionals, technical experts
Period of validity:
Not specified
Approval date:
Not specified
Date of changes:
Not specified
Note:
Context
Year:
2020
Region / City:
E-meeting
Topic:
CSI enhancements, MTRP, FDD reciprocity
Document Type:
Technical Discussion Summary
Organization:
Huawei, HiSilicon
Author:
Not specified
Target Audience:
3GPP TSG RAN WG1 members
Effective Period:
August 17th – 28th, 2020
Approval Date:
Not specified
Modification Date:
Not specified
Evaluation Assumptions:
MTRP, FR1 FDD reciprocity, CSI reporting for DL multi-TRP/panel transmission
Frequency Range:
FR1, 2GHz, optional for 4GHz
Antenna Setup:
Various configurations for gNB and UE
Traffic Model:
FTP model 1, packet size 0.5 Mbytes
Simulation Bandwidth:
20 MHz for 15kHz
MIMO Scheme:
SU/MU-MIMO with rank adaptation
Feedback Assumption:
Periodic CSI feedback
Overhead Assumption:
DNL overhead for CSI
UE Distribution:
80% indoor, 20% outdoor
CSI Feedback Periodicity:
5ms
SRS Modeling:
5ms/10ms periodicity
Evaluation Metric:
Throughput and CSI feedback overhead
Baseline:
Rel-16 PS eTypeII Codebook
SRS Configuration:
Configuration details for different models
FDD DL/UL Calibration:
Ongoing discussions on error model
Channel Modeling:
Discussion on FDD reciprocity models
Context Description:
Technical discussion on CSI enhancements for FDD reciprocity, focusing on MTRP and FR1 with contributions from various companies.
Year:
2022
Region / City:
Global
Topic:
Wireless communication; CSI reporting enhancements
Document Type:
Meeting report / Technical specification proposal
Organization:
3GPP TSG RAN WG1
Author:
Huawei, HiSilicon (Moderator)
Audience:
RAN1 working group members and participating companies
Meeting Dates:
February 21 – March 3, 2022
Agenda Item:
8.1.4
Proposals:
Further enhancement, correction, editorial changes
Target Release:
Rel-17
Frequency Range:
FR1, FR2
Technologies:
MTRP, FDD, CSI-RS, Type II port selection
Companies Contributing:
Lenovo, Samsung, Vivo, CATT
Year:
2026
Region / City:
Gothenburg, Sweden
Theme:
Radio communication
Document type:
Working Draft
Organization:
Ericsson
Author:
Ericsson
Target audience:
RAN4 Working Group members
Approval date:
Not specified
Date of last changes:
Not specified
Period of applicability:
Not specified
Year:
2021
Region:
Global
Topic:
Telecommunications, 5G NR
Document Type:
Change Request
Organization:
3GPP TSG-RAN WG4
Author:
MediaTek
Target Audience:
Network equipment manufacturers, test engineers
Work Item Code:
NR_UE_pow_sav-Perf
Release:
Rel-16
Category:
B (addition of feature)
Date Submitted:
2021-01-15
Affected Sections:
5.3.2.1.3, 5.3.3.1.3
Related Specifications:
TS38.101-4, TS38.521-4
Change Purpose:
Define demodulation performance requirements for power saving UE
Revision History:
Revised from draft CR R4-2102086
Year:
2026
Region / City:
Gothenburg Metropolitan Area, Sweden
Topic:
PMI Reporting Requirements
Document Type:
Change Request (CR)
Organization / Institution:
3GPP TSG-RAN4
Author:
Apple
Target Audience:
3GPP Working Groups
Period of Effect:
2026-02-09 to 2026-02-13
Approval Date:
2026-01-29
Modification Date:
N/A
Related Specifications:
TS 38.521-4
Affected Clauses:
6.3.3.1
Release:
Rel-19
Category:
B
Work Item Code:
NR_MIMO_Ph5-Perf