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Technical meeting contribution summarizing proposals and company positions discussed in the 3GPP RAN1 working group regarding expansion of orthogonal DMRS ports and related design options for MIMO operation in 5G NR Release-18.
Year:
2023
Event:
3GPP TSG RAN WG1 #112 Meeting
Location:
Athens, Greece
Meeting Dates:
February 27 – March 3, 2023
Organization:
3rd Generation Partnership Project (3GPP)
Working Group:
TSG RAN WG1
Source:
Moderator (NTT DOCOMO)
Agenda Item:
9.1.3.1
Document Identifier:
R1-2301774
Document Type:
Technical discussion and decision contribution
Topic:
MIMO and DMRS enhancements for 5G NR Rel-18
Technical Focus:
Downlink and uplink DMRS port expansion, MU-MIMO support, antenna port indication for PDSCH, S-TRP and M-TRP scenarios
Standardization Context:
5G NR Release 18 study and specification work
Participating Companies Mentioned:
NTT DOCOMO, Qualcomm, ZTE, vivo, Ericsson, Intel, Nokia, Samsung, OPPO, MediaTek, LG, Lenovo, CATT, CMCC, New H3C, Sharp
Subject Area:
Wireless communications standardization and physical layer design
Price: 8 / 10 USD
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Year:
2022
Region / city:
International
Topic:
MIMO, DMRS, MU-MIMO
Document type:
Meeting summary
Organization / institution:
3GPP TSG RAN WG1
Author:
Moderator (NTT DOCOMO)
Target audience:
Industry professionals in wireless communications
Period of validity:
May 9th – 20th, 2022
Approval date:
May 2022
Date of changes:
None indicated
Context:
This document provides a summary of proposals and discussions during the 109th meeting of 3GPP TSG RAN WG1, focusing on DMRS enhancements for MIMO and MU-MIMO configurations in the context of Rel.18 specifications.
Year:
2024
Location:
Maastricht, Netherlands
Meeting:
3GPP TSG-RAN WG4 #112
Agenda item:
8.1.3
Source:
Moderator (Samsung)
Document type:
Technical meeting summary
Subjects:
High Power UE (HPUE), Carrier Aggregation (CA), NR_ENDC, PC1.5, intra-band and inter-band UL CA, RF requirements
Contributors:
Apple, Samsung, Skyworks Solutions Inc., Meta Ireland, Ericsson, LG Electronics, Xiaomi, Nokia, vivo, Qualcomm, Huawei, ZTE Corporation, CHTTL, OPPO, NTT DOCOMO
Target audience:
3GPP participants and related technical stakeholders
Period:
19–23 August 2024
Date of creation:
2024-08-19
Meeting:
3GPP TSG RAN WG1 #112
Document number:
R1-2301247
Location:
Athens, Greece
Dates:
February 27 – March 3, 2022
Agenda item:
9.1.2
Source:
Moderator (Samsung)
Release:
3GPP Release 18
Scope:
NR Evolved MIMO CSI enhancements
Frequency range:
FR1
Technical focus:
CSI reporting, Type-II codebook refinement, Coherent-JT, multi-TRP
Assumptions:
Ideal backhaul and synchronization
Participating companies:
Samsung, Huawei, ZTE, Ericsson, Nokia/NSB, Apple, Qualcomm, MediaTek, Intel, vivo, OPPO, and others
Decision status:
Discussion and decision with partial agreements and open issues
Project Name:
Penn State
Project Number:
11191
Building Name:
X - Building Engineers Assistance Required
Work Area:
Electric Room
Facility Address:
1200 Normandy Pl, Philadelphia, PA
Requested Start:
11/05/16 11pm
Requested Work Window:
11/05/16 11pm – 11/06/16 5am
Completion Date:
11/06/16
Client:
Penn State
Contractor:
[Contractor Name]
Safety Measures:
LOTO, Arc Flash Suit, Temporary Generator
Impact:
Power shutdown approximately 6 hours affecting lighting and alarms
Document Type:
Method of Procedure (MOP)
Authorizations:
Contractor Project Manager, Owner Project Manager, Contractor Electrical Services
Subcontractor & Vendor Contacts:
Listed
Supporting Documentation:
Floor Plans, Flow Diagram, Three Line Diagram, Wiring Diagrams, Arc Flash Safety Policy, Lockout/Tagout Procedures, MSDS Sheets, Facility Standard Maintenance Procedure
Note:
Year
Topic:
Simple Machines
Document Type:
Practice Exercise
Target Audience:
Students / Learners
Year:
2024
Note:
Region / City
Theme:
Research
Document Type:
Consent Form
Target Audience:
Adults participating in research
Year:
2021
Region / City:
Charleston
Subject:
Evolution, Biology, Education
Document Type:
Syllabus
Organization:
College of Charleston
Author:
Dr. Jean Everett
Target Audience:
Students of BIOL 112
Period of Validity:
Spring 2021
Approval Date:
Not specified
Date of Changes:
Not specified
Subject:
Simple Machines
Type of Document:
Educational Worksheet
Activity Number:
1.1.2
Topics Covered:
Inclined Plane; Wedge; Lever; Wheel and Axle; Pulley System; Screw
Standards Referenced:
ADA ramp slope requirement (1:12)
Assumptions:
Ideal conditions; No friction loss
Measurement Units:
Feet; Inches; Pounds
Required Work:
Calculations; Formulas; Annotated sketches; Mechanical advantage determination
Note:
Year
Year:
2023
Region / City:
United States
Topic:
Environmental Protection, Air Quality, Hazardous Air Pollutants
Document Type:
Regulatory Proposal
Organization / Institution:
U.S. Environmental Protection Agency (EPA)
Author:
U.S. Environmental Protection Agency
Target Audience:
Regulated community, environmental stakeholders, policymakers
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2022
Region / City:
Geneseo, Illinois
Subject:
College Algebra
Document Type:
Course Syllabus
Institution:
Black Hawk College
Instructor:
Scott Christensen
Target Audience:
Students enrolled in Math 112, College Algebra
Start Date:
August 17, 2022
End Date:
December 22, 2022
Prerequisites:
Algebra II, teacher recommendation
Grading Scale:
A = (93-100%), B = (85-92%), C = (77-84%), D = (69-76%), F = (<68%)
Assessment Methods:
Homework, quizzes, tests, final exam
Course Format:
In-Person / Google Classroom
Course Location:
GHS #38
Office Hours:
6:30 a.m. – 7:00 a.m. and Math Lab 10:38 a.m. – 11:02 a.m.
Date:
June 11, 2024
Document Type:
Memorandum
Subject:
Redline/Strikeout for proposed amendments to remove remaining affirmative defense provisions from rules under Clean Air Act sections 111 and 112
Author:
Michelle Bergin
Author Title:
Physical Scientist
Organization:
U.S. Environmental Protection Agency
Docket ID:
EPA-HQ-OAR-2023-0509
Statutory Authority:
Clean Air Act sections 111 and 112
Regulatory Citation:
40 CFR Part 60 and Part 63
Affected Source Categories:
Kraft Pulp Mills; Electric Utility Steam Generating Units; Nitric Acid Plants; Steel Pickling; Pharmaceuticals Production; Shipbuilding and Ship Repair Surface Coating; Wood Furniture Surface Coating; Polymers & Resins IV; Printing and Publishing Surface Coating; Pesticide Active Ingredient Production; Chromium Electroplating; Polyether Polyols Production; Pulp and Paper Industry; Primary Lead Processing; Coal- and Oil-Fired Electric Utility Steam Generating Units; Chemical Manufacturing Area Sources; Secondary Lead Smelters; Marine Vessel Loading Operations
Number of Rules Addressed:
18
Nature of Amendments:
Removal of affirmative defense provisions for malfunction-related violations
Attachments:
Redline/strikeout regulatory text for specified subparts of 40 CFR Parts 60 and 63
Year:
2014
Region / City:
Not specified
Subject:
Biology
Document Type:
Educational material
Organization / Institution:
Oxford University Press
Author:
Andrew Allott
Target Audience:
Students studying biology
Period of Validity:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Note:
Year
Document Type:
Screening Assessment Form
Organization / Institution:
Local Planning Authority
Target Audience:
Property developers, local authorities
Contamination concerns:
Yes
Assessment method:
Screening
Adjacent land use:
Domestic, Agricultural, Commercial, Industrial
Soil importation:
Yes
Previous contamination reports:
Yes
Site description:
Detailed description and photographs of the land
Development type:
Small-scale residential development
Year:
2022
Region / City:
Somerset West and Taunton
Theme:
Local Government, Community Support, Public Services
Document Type:
Newsletter
Organization:
Somerset West and Taunton Council
Author:
Somerset West and Taunton Council Communications Team
Target Audience:
Local Councillors, Parish Councils, and Residents
Period of Action:
2022
Approval Date:
03/07/2022
Date of Changes:
None
Year:
2015/16 – 2016/17
Institution:
University of Ghana
Department:
Department of Information Studies
Course Level:
Undergraduate Level 100
Author:
Dr. Perpetua S. Dadzie
Acknowledgements:
Mr. Andy Adu Sarbeng, Teaching Assistant
Course Website:
http://sakai.ug.edu.gh/XXXXXXXXXXX
Support Contact:
School of Continuing and Distance Education, University of Ghana, Legon, Accra
Type of Document:
Study Guide
Teaching Method:
Problem-based learning
Delivery Format:
Online via Sakai LMS
Content Coverage:
Information concepts, communication, institutions of information management, information storage and retrieval, information technology
Assessment:
Individual assignments, group term paper, quizzes, tests
Target Audience:
Undergraduate students in Information Studies
Language:
English
Academic Year:
2015/16 – 2016/17
Year:
2025
Location:
Dallas, USA
Type of document:
Draft technical report
Organization:
3GPP TSG RAN WG1
Author:
Moderator (MediaTek)
Agenda item:
10.2.2
Purpose:
Discussion and decision on enhancing DL CSI acquisition
Target audience:
Companies participating in 3GPP RAN1 discussions
Related contributions:
38 company inputs summarized
Period:
November 17–21, 2025
Date of draft:
2025-11-17
Meeting:
3GPP TSG-SA5 Meeting #140-e
Document number:
S5-216134e
Date:
15–24 November 2021
Source organization:
China Unicom
Agenda item:
6.4.61
Document type:
Technical discussion paper
Intended action:
Approval and endorsement
Standardization body:
3GPP
Related specifications:
3GPP TS 28.552; 3GPP TS 38.314
Technology area:
5G NR network management and performance measurement
Subject:
MIMO PRB usage definition and measurement granularity
Scope:
Downlink and uplink PRB usage per NRCellDU
Period referenced:
October–November 2021
Year:
2025
Region / City:
Bengaluru, India
Theme:
NR MIMO Ph5 draft CR, Release 19
Document Type:
Meeting Summary
Organization:
3GPP TSG RAN WG1
Author:
Nokia
Target Audience:
3GPP Working Group Members, Industry Professionals
Period of validity:
Until September 10th, 2025
Approval Date:
N/A
Date of Changes:
05.09.2025
Note:
Contextual Description
Year:
2022
Region / City:
Global
Theme:
Telecommunications, 5G
Document Type:
Meeting Report
Organization:
3GPP TSG-RAN4
Author:
Not specified
Target Audience:
Technical experts, industry professionals
Period of Action:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified