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Contribution to ITU-R Working Party 4A presenting proposed maximum on-axis EIRP spectral density limits for NGSO space station transmissions in specified Ka-band frequencies in the context of WRC-23 Agenda Item 1.17 and associated draft Resolution and CPM text.
Working Party:
ITU-R WP 4A
Document No:
USWP4A-36
Reference:
Agenda Item 1.17; Resolution 773 (WRC-19); Annex 20 to Working Party 4A Chairman’s Report Document WP4A/691
Date:
18 July 2022
Country:
United States of America
Language:
English only
Author:
Brennan Price
Organization:
Inmarsat
Email:
[email protected]
Source:
Document 4A/691 Annex 20
Subject:
Agenda Item 1.17; Resolution 773 (WRC-19)
Purpose/Objective:
To contribute to sharing study material concerning hard limits for interference protection purposes
Abstract:
Material to progress the study of hard limits on satellite-to-satellite links as a potential means of protection of higher-altitude NGSO systems
Frequency bands:
27.5-29.1 GHz; 29.5-30 GHz; 30/20 GHz band
Regulatory context:
Draft Resolution [A117] (WRC-23); Draft CPM Text
Technical parameters:
Proposed maximum on-axis EIRP spectral density limits of -15.0 dB(W/Hz), -17.5 dB(W/Hz), and -20 dB(W/Hz)
Communication links addressed:
NGSO-to-GSO; NGSO-to-NGSO; NGSO-to-HEO
Annexes:
Example static link budgets and comparison tables
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Year:
2024
Instructor:
Makeba Jones, Ph.D.
Email:
[email protected]
Office:
Sixth College, Social Sciences Public Engagement Bldg, 7th floor, rm 0706
Lecture Schedule:
Tue/Thur 11:00-12:20, Warren Lecture Hall, room 2005
Office Hours:
Wednesday, 2:00-3:00 or by appointment
Teaching Assistants:
Valerie Gomez, Annika Li, Marco Chacon
Reader:
Mari Amato
Course Type:
Hybrid
Course Description:
The purpose of this course is to enable you to think critically about education as a “social” institution, with a focus on cultural and social dimensions of teaching and learning, and the role of language.
Learning Outcomes:
Understand cultural and social factors in education, critique educational research on language and culture.
Principles of Community:
Open-mindedness, professional language, respect in discussions.
Course Format:
Primarily in-person lectures, some virtual meetings via Zoom.
Course Expectations:
Active participation, timely completion of assignments, engagement with real-world applications.
Campus Student Support Services:
Available for students struggling with academic work or personal challenges.
Accommodations:
Contact the professor if you need accommodations due to disability.
Academic Integrity:
Students are expected to complete assignments individually; plagiarism checks will be done.
Note:
Contextual Description
Note:
Year
Document Type:
Form
Subject:
Mental Health Aftercare
Governing Law:
Mental Health Act 1983, Section 117
Authoring Organization:
NHS / Mental Health Trust
Intended Audience:
Healthcare professionals and social care practitioners
Attendees:
Service User, Carer/Relative, Advocate, Responsible Clinician, CCG Representative, Social Care Practitioner, Care Coordinator, Ward Nurse
Year:
2025
Location:
Dallas, Texas, USA
Organization:
3GPP TSG-RAN4
Document type:
Working Document
Source:
vivo
Title:
WF on TRP_TRS_MIMO_OTA_Ph3
Topics:
Rel-19 OTA test methodologies, Rel-19 OTA requirements
Date of meeting:
November 17–21, 2025
Target audience:
3GPP members, network equipment manufacturers, device manufacturers
Agreements:
Adopt CTIA outcome on NB-IoT NTN TRP TRS test time reduction, handle Rel-19 measurement data pool, tentative requirements for TRP/TRS performance metrics
Proposals:
Ephemeris consistency check, HARQ feedback disabling, NR NTN OTA testing adjustments
Moderators:
MCC
Deadline for new device results:
December 31, 2025
Year:
2021
Region / City:
Virtual / Online Meeting
Topic:
Satellite-to-Satellite Communications
Document Type:
Working Party Report
Organization:
Asia-Pacific Telecommunity
Author:
APT Members
Target Audience:
ITU-R Members, Satellite Service Providers, Policy Makers
Period of Validity:
Until WRC-23
Approval Date:
23 April 2021
Date of Amendments:
None
Note:
Contextual Description
Year:
2019
Region / city:
N/A
Topic:
HACCP audit, milk pasteurisation, food safety
Document type:
Case study
Organization:
N/A
Author:
N/A
Target audience:
Auditors, food safety professionals
Period of validity:
N/A
Approval date:
N/A
Date of amendments:
N/A
Note:
Context description
Year:
2022
Region / City:
Massachusetts
Theme:
Medicaid, Personal Needs Allowance
Document Type:
Bulletin
Organization / Institution:
Executive Office of Health and Human Services, Office of Medicaid
Author:
Amanda Cassel Kraft, Assistant Secretary for MassHealth
Target Audience:
Nursing Facilities, Chronic Disease and Rehabilitation Inpatient Hospitals, MassHealth Providers
Period of Action:
Annual
Approval Date:
May 2022
Date of Last Update:
N/A
Meeting:
3GPP TSG-RAN WG4 Meeting #117
Working Group:
TSG-RAN WG4
Document Number:
R4-2522206
Agenda Item:
10.1.3
Source:
Moderator (Ericsson)
Title:
Topic summary for [117][333] BSRF_Maintenance_Legacy
Location:
Dallas, TX, USA
Dates:
November 17–21, 2025
Document For:
Information
Scope:
Up to Rel-18 maintenance for LTE and NR and TEI; BS RF requirements and BS conformance testing (other than NTN); Rel-16/17 TEI and others (EMC, OTA, TRP/TRS)
Related Specifications:
TS 38.104; TS 37.104; TS 37.141; TS 37.145-1; TS 37.145-2; TS 36.104; TS 36.141; TS 38.115-1; TS 38.115-2; TS 38.176-2; TS 37.113; TS 38.101-4; TS 25.105; TS 25.142
Contributing Companies:
CATT; Ericsson; Keysight Technologies UK Ltd; Huawei; HiSilicon; Nokia
Topics Covered:
NB-IoT reference sensitivity requirements; removal of UTRA TDD from MSR BS specifications; RDN definition for OTA AAS BS; corrections to delay profiles and throughput descriptions; operating band unwanted emissions; repeater and IAB clarifications; removal of LTE Band 47
Change Requests:
Multiple CRs submitted and revised for 3GPP specifications across NR, LTE, TEI, and MSR BS domains
Year:
2024
Region / city:
Geneva
Topic:
Tyre regulation, wet grip performance
Document type:
Proposal
Organization / institution:
United Nations Economic Commission for Europe, Inland Transport Committee
Author:
Informal Working Group on Wet Grip Performance for Tyres in a Worn State
Target audience:
Contracting parties applying UN Regulation No. 117
Period of validity:
Until 6 July 2026
Approval date:
17 June 2024
Amendment date:
17 June 2024
Year:
2022
Region / City:
United States of America
Topic:
Radiocommunications
Document Type:
Working Document
Organization / Institution:
ITU-R WP 4A
Author:
Wayne Whyte, Giadira Leon, David Franc, Daniel Bishop, Kedar Abhyankar, Daryl Hunter, Ryan Henry, Brandon Mitchell, Sergio Marquez
Target Audience:
Technical experts in radiocommunications and satellite communication
Period of Validity:
Ongoing
Approval Date:
24 June 2022
Modification Date:
Not specified
Note:
Contextual Description
Year:
2020
Region / City:
South Sudan
Subject:
In-Flight Connectivity and Frequency Band Harmonization
Document Type:
Meeting Report
Organization:
EACO (East African Communications Organization)
Author:
Not specified
Target Audience:
Communication industry professionals, governmental organizations, aviation and maritime sectors
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2025
Event:
3GPP TSG-RAN WG4 Meeting #117
Location:
Dallas, USA
Dates:
17–21 November 2025
Agenda item:
8.1
Document ID:
R4-2522436
Source:
CMCC
Document for:
Approval
Organization:
3GPP TSG-RAN Working Group 4 (RAN4)
Technical domain:
5G–6G radio access and spectrum sharing
Topic:
Multi-Radio Spectrum Sharing (MRSS) between NR and 6G
Sub-topics:
General aspects of MRSS; Technical aspects facilitating MRSS
Key technologies mentioned:
NR, 6GR, NTN, NB-IoT, eMTC, CP-OFDM, DFT-s-OFDM
Frequency ranges discussed:
FR1, FR2-1, sub-6 GHz, 24.25–52 GHz
Participating companies:
Samsung, Ericsson, OPPO, Xiaomi, ZTE, Sony, Apple, Nokia, Huawei, CMCC, CATT, KDDI, Tejas Networks, LGE, Spreadtrum, UNISOC, ISSDU, NTU
Type of document:
Technical meeting contribution and agreement summary
Subject:
Study framework and technical considerations for 5G–6G spectrum sharing
Status:
Agreements and open issues for further discussion
Year:
2025
City:
Dallas
Country:
United States
Event:
3GPP TSG-RAN4 Meeting #117
Agenda item:
4.1.3
Document type:
Meeting minutes / topic summary
Organization:
3rd Generation Partnership Project (3GPP) TSG-RAN4
Source:
Moderator (Eutelsat Group)
Author / moderator:
Eutelsat Group
Technical domain:
5G NR NTN Ku-band maintenance
Topics covered:
System parameters, UE RF requirements, SAN RF requirements
Technical references:
3GPP TS 38.101-5, 3GPP TS 38.108
Frequency band:
Ku band
Agenda sections:
4.2.7.1, 4.2.7.2, 4.2.7.3
Content type:
Summary of proposals, change requests (CRs), and moderator recommendations
Participants referenced:
Ericsson, LG Electronics, MediaTek, ZTE Corporation, Huawei, Qualcomm, Thales, CATT, Keysight, SGS Wireless
Discussion status:
Combination of approved items, discussion items, and not discussed items
Year:
1917
Jurisdiction:
New York, USA
Type of Document:
Court opinion
Court:
New York Court of Appeals
Judge:
Cardozo, J.
Parties:
Joseph Schweizer, Ernestine Teresa Schweizer, Blanche Josephine Schweizer, Count Oberto Giacomo Giovanni Francesco Maria Gulinelli
Legal Topic:
Contract law, consideration, marriage agreements
Case Citation:
117 N.E. 807
Date of Agreement:
January 16, 1902
Date of Marriage:
January 20, 1902
Disputed Matter:
Enforceability of a promised annuity as consideration for a marriage
Decision:
Judgment affirmed in favor of the plaintiff
Year:
2025
Location:
Dallas, USA
Organization:
3GPP TSG-RAN WG4
Document type:
Meeting report / Technical summary
Topic:
NR duplex evolution and SBFD maintenance for Release 19
Source:
Moderator (Huawei)
Contributors:
Nokia, Ericsson, Huawei, HiSilicon, ZTE Corporation, Sanechips, Qualcomm Incorporated, Interdigital, Samsung
Agenda items:
4.19.1, 4.19.2
Target audience:
3GPP members, RAN4 engineers
Proposals included:
In-band blocking requirements, in-channel adjacent subband leakage, multi-carrier SBFD operation, FR2-1 specifications
Technical references:
TS 38.141-2, TS 38.104
Session type:
Working Group 4 meeting
Document purpose:
Summary of contributions and proposals for NR duplex evolution and SBFD maintenance
Year:
2022
Region / City:
Bangkok, Thailand
Subject:
Satellite Services, Frequency Band Allocation
Document Type:
Working Paper
Organization / Institution:
Asia-Pacific Telecommunity
Author:
APT Members
Target Audience:
ITU-R Sector, Satellite Service Providers
Validity Period:
Until WRC-23
Approval Date:
20 August 2022
Amendment Date:
Not specified
Note:
Contextual Description
Year:
2023
Region / City:
Busan, Republic of Korea
Theme:
Telecommunication, Frequency Protection
Document Type:
Meeting Report
Organization:
Asia-Pacific Telecommunity
Author:
Working Party 1
Target Audience:
Telecommunications experts, government representatives, international bodies
Period of validity:
20-25 February 2023
Approval Date:
24 February 2023
Date of revisions:
None
Context:
The document is a summary of the fifth meeting of the APT Conference Preparatory Group for WRC-23, focusing on discussions regarding protection measures for aeronautical and maritime mobile services in the 4,800-4,990 MHz frequency band.
Year:
2021
Region / City:
Virtual/Online
Theme:
Telecommunications, Frequency Bands, International Mobile Telecommunications (IMT)
Document Type:
Meeting Report
Organization / Institution:
Asia-Pacific Telecommunity (APT)
Author:
APT Working Party 1
Target Audience:
APT Members, Telecommunications Stakeholders
Validity Period:
2021-2023
Approval Date:
13 November 2021
Date of Amendments:
None
Note:
Contextual Description
Year:
2023
Region / City:
Brisbane, Australia
Topic:
WRC-23 Agenda Items
Document Type:
Template
Organization / Institution:
Asia-Pacific Telecommunity (APT)
Author:
Chair, APG Conference Preparatory Group for WRC-23
Target Audience:
APT Members, APG Working Parties Chairs, Drafting Groups Chairs
Period of Validity:
14 – 19 August 2023
Approval Date:
16 August 2023
Date of Modifications:
N/A
Context:
Template for the preparation of APT views and proposals on WRC-23 agenda items for the APG23-6 meeting.
Year:
2023
Region / City:
Brisbane, Australia
Subject:
Radiocommunications
Document Type:
Meeting Report
Organization:
Asia-Pacific Telecommunity (APT)
Author:
Chair, RA-23 Preparation Group
Target Audience:
Participants of RA-23 and ITU-R meetings
Period of Action:
14-19 August 2023
Approval Date:
15 August 2023
Date of Changes:
N/A