Contributions  |
|
Number
|
Title
|
Source
|
AI/Question
|
Date
|
|
[ 474 ]
|
Proposals on sharing studies under WRC-27 agenda item 1.12
|
Japan
|
AI1.12
|
2025-10-03 |
|
[ 473 ]
|
Proposed updates on studies for technical characteristics and operational objectives of emerging RNSS systems
|
Japan
|
|
2025-10-03 |
|
[ 472 ]
|
Proposed updates on working document on sharing and compatibility studies under WRC-27 agenda item 1.13
|
Japan
|
AI1.13
|
2025-10-03 |
|
[ 471 ]
|
Proposal for draft revision to Recommendation ITU-R M.1787 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz
|
Japan
|
Q288/4, Q217-2/4
|
2025-10-03 |
|
[ 470 ]
|
Sharing and compatibility studies between the incumbent MSS systems and the envisaged MSS systems for direct connectivity in the 2.5/2.6 GHz frequency bands
|
India
|
AI1.13
|
2025-10-03 |
|
[ 469 ]
|
Incumbent system characteristics of giant metrewave radio telescope in the working document regarding WRC-27 agenda item 1.12 and 1.13
|
India
|
AI1.13, AI1.12
|
2025-10-03 |
|
[ 468 ]
|
Incumbent system characteristics in the 2 483.5-2 500 MHz frequency bands for sharing and compatibility studies in preparation for WRC-27 agenda item 1.11
|
India
|
AI1.11
|
2025-10-03 |
|
[ 467 ]
|
Aggregate interference from DC-MSS-IMT to terrestrial IMT
|
India
|
|
2025-10-03 |
|
[ 466 ]
|
Liaison statement to ITU-R Working Parties 4B, 4C, 5A, 5D and 6A (copy to ITU-T Study Groups 5, 13 and 15 for information) - Request for feedback on the term "multiple-input and multiple-output (MIMO)" and its definition developed by ITU-R Working Party 5C and submitted to the CCT for validation
|
CCT
|
|
2025-10-03 |
|
[ 465 ]
|
WRC-27 agenda item 1.12 - Preliminary analysis of interference between LDR non-GSO MSS systems and GSO MSS systems in the band 1 645.5-1 646.5 MHz
|
Viasat, Inc.
|
AI1.12
|
2025-10-02 |
|
[ 464 ]
|
WRC-27 agenda item 1.11 - Coexistence of space-to-space links with existing services in the band 1 670-1 675 MHz
|
Viasat, Inc.
|
AI1.11
|
2025-10-02 |
|
[ 463 ]
|
Update to MSS system characteristics for studies related to WRC-27 agenda item 1.12
|
Australia
|
AI1.12
|
2025-10-03 |
|
[ 462 ]
|
Compatibility study under WRC-27 agenda item 1.11 - assessment of space-to-space link interference into the uplink of HIBLEO-X / HIBLEO-XL-1 / HIBLEO-4
|
Australia
|
AI1.11
|
2025-10-03 |
|
[ 461 ]
|
Proposed protection criteria based on Recommendation ITU-R M.1183 for the mobile satellite services (MSS) operating in band below 3 GHz - Protection criteria for WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14
|
African Telecommunications Union
|
AI1.14, AI1.13, AI1.12, AI1.11
|
2025-10-02 |
|
[ 460 ]
|
Proposed revisions to preliminary draft revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile-satellite service (MSS) and other services
|
Globalstar, Inc.
|
|
2025-10-02 |
|
[ 459 ]
|
Working document towards a preliminary draft CPM text for WRC-27 agenda item 1.14 - New frequency allocations to the mobile-satellite service in the frequency bands 2 010-2 025 MHz (Earth-to-space) and 2 160-2 170 MHz (space-to-Earth) in Regions 1 and 3 and 2 120-2 160 MHz (space-to-Earth) in all Regions
|
Saudi Arabia
|
AI1.14
|
2025-10-02 |
|
[ 458 ]
|
Proposed protection criteria based on Recommendation ITU-R M.1183 for the mobile satellite services (MSS) operating in band below 3 GHz - Protection criteria for WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14
|
Saudi Arabia
|
AI1.14, AI1.13, AI1.12, AI1.11
|
2025-10-02 |
|
[ 457 ]
|
Information on best practices study under WRC-27 agenda items 1.11,1.12,1.13 and 1.14
|
Chair, WP 4C
|
AI1.14, AI1.13, AI1.12, AI1.11
|
2025-10-03 |
|
[ 456 ]
|
Working document toward a preliminary draft revision of Recommendation ITU-R M.2031-1 - Characteristics and protection criteria of receiving earth stations and characteristics of transmitting space stations in the radionavigation-satellite service (space-to-Earth) operating in the band 5 010-5 030 MHz
|
Germany
|
|
2025-10-03 |
|
[ 455 ]
|
Proposed updates to working document in support of WRC-31 provisional agenda item 2.9
|
European Space Agency (ESA)
|
|
2025-10-02 |
|
[ 454 ]
|
Technical analysis related to the protection of EESS (passive) in the band 1 400-1 427 MHz from MSS LDR systems in the band 1 427-1 432 MHz
|
European Space Agency (ESA)
|
AI1.12
|
2025-10-02 |
|
[ 453 ]
|
Study scenarios for WRC-27 agenda item 1.13
|
Germany
,
Austria
,
Croatia
,
Luxembourg
,
Norway
,
Switzerland
|
AI1.13
|
2025-10-02 |
|
[ 452 ]
|
Proposed changes to working document regarding WRC-27 agenda item 1.14 - Sharing and compatibility studies of possible new allocations to the MSS
|
Germany
,
Latvia
,
Slovenia
,
Switzerland
|
AI1.14
|
2025-10-02 |
|
[ 451 ]
|
Proposed changes to working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service
|
Germany
,
Latvia
,
Slovenia
,
Switzerland
|
AI1.12
|
2025-10-02 |
|
[ 450 ]
|
Proposed interference criteria for the mobile satellite service for use in studies under WRC-27 agenda items 1.12, 1.13 and 1.14
|
United Kingdom
|
AI1.14, AI1.13, AI1.12
|
2025-10-02 |
|
[ 449 ]
|
Proposed revisions to working document towards draft CPM text for WRC-27 agenda item 1.11
|
United Kingdom
|
AI1.11
|
2025-10-02 |
|
[ 448 ]
|
Proposed revisions to working document regarding WRC-27 agenda item 1.11 - Space-to-space links in the frequency bands 1 518-1 544 MHz, 1 545-1 559 MHz, 1 610-1 645.5 MHz, 1 646.5-1 660 MHz, 1 670-1 675 MHz and 2 483.5-2 500 MHz allocated to the mobile-satellite service (MSS)
|
United Kingdom
|
AI1.11
|
2025-10-02 |
|
[ 447 ]
|
Studies in respect of potential interference from MSS (DC-MSS-IMT) to IMT under WRC-27 agenda item 1.13
|
Botswana
,
Comoros
,
Dem. Rep. of the Congo
,
Eswatini
,
Lesotho
,
Malawi
,
Mozambique
,
Namibia
,
South Africa
,
Zambia
|
AI1.13
|
2025-10-02 |
|
[ 446 ]
|
WRC-27 agenda item 1.13 - Frequency bands in use for terrestrial IMT
|
Mozambique
,
Namibia
,
South Africa
,
Tanzania
|
AI1.13
|
2025-10-02 |
|
[ 445 ]
|
Proposals to upgrade the status of the preliminary draft revision of Report ITU-R M.2305-0 and proposals for the draft liaison statement to Working Party 7C
|
Russian Federation
|
|
2025-10-02 |
|
[ 444 ]
|
Study of interference impact from MSS (space-to-Earth) to IMT UE in the 2 120-2 170 MHz frequency band
|
Russian Federation
|
AI1.14
|
2025-10-02 |
|
[ 443 ]
|
Compatibility analysis between frequency arrangements of DC-MSS-IMT 1 920-1 980 / 2 110-2 170 MHz and 1 850-1 920 / 1 930-2 000 MHz
|
Russian Federation
|
AI1.13
|
2025-10-02 |
|
[ 442 ]
|
Sharing study between MSS and DC-MSS-IMT under WRC-27 agenda item 1.13
|
Russian Federation
|
AI1.13
|
2025-10-02 |
|
[ 441 ]
|
Proposed updates to the working document regarding RDSS (section 5.2.2), ARNS (section 5.2.3), ARNSS (section 5.2.4) and RNSS (section 5.5.1) on WRC-27 agenda item 1.11
|
Russian Federation
|
AI1.11
|
2025-10-02 |
|
[ 440 ]
|
Proposed updates to the working document regarding RDSS (section 4.2.4.1), ARNS (section 4.2.4.2) and ARNSS (section 4.2.4.3) on WRC-27 agenda item 1.11
|
Russian Federation
|
AI1.11
|
2025-10-02 |
|
[ 439 ]
|
Proposed revisions to the working document regarding WRC-27 agenda item 1.11
|
Russian Federation
|
AI1.11
|
2025-10-02 |
|
[ 438 ]
|
Analysis of existing study submitted under WRC-27 agenda item 1.11 and additional sharing study in the frequency bands 1 525-1 559 MHz and 1 625.5-1 660 MHz
|
Russian Federation
|
AI1.11
|
2025-10-02 |
|
[ 437 ]
|
Proposed revisions to the working document towards draft CPM text for WRC-27 agenda item 1.11
|
Russian Federation
|
AI1.11
|
2025-10-02 |
|
[ 436 ]
|
Working document towards a preliminary draft CPM text for WRC-27 agenda item 1.14
|
GSM Association
|
AI1.14
|
2025-10-01 |
|
[ 435 ]
|
Required studies for BSS protection in the 1.4 GHz and 2.5/2.6 GHz bands along with incumbent BSS characteristics in 2.5/2.6 GHz frequency bands to be considered for sharing and compatibility studies for WRC-27 agenda item 1.13
|
Iran (Islamic Republic of)
|
AI1.13
|
2025-10-01 |
|
[ 434 ]
|
Calculations of equivalent power flux density (epfd) limits for protection of terrestrial fixed service under WRC-27 agenda item 1.13
|
Iran (Islamic Republic of)
|
AI1.13
|
2025-10-01 |
|
[ 433 ]
|
Investigation of interference scenarios between the envisaged MSS systems for direct connectivity and terrestrial IMT networks - WRC-27 agenda item 1.13
|
Iran (Islamic Republic of)
|
AI1.13
|
2025-10-01 |
|
[ 432 ]
|
Updates to the working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment
|
Brazil
|
|
2025-10-01 |
|
[ 431 ]
|
WRC-27 agenda item 1.13 - Considerations on sharing study between IMT in the frequency bands 1 920-1 980 MHz (Uplink) and 2 110-2 170 MHz (Downlink) and DC-MSS-IMT operating in the frequency band 1 710-2 200 MHz (Downlink)
|
Brazil
|
AI1.13
|
2025-10-01 |
|
[ 430 ]
|
WRC-27 agenda item 1.13 - Considerations on compatibility study between IMT in the frequency bands 1 920-1 980 MHz (Uplink) and 2 110-2 170 MHz (Downlink) and DC-MSS-IMT operating in the frequency band 1 710-2 200 MHz (Downlink)
|
Brazil
|
AI1.13
|
2025-10-01 |
|
[ 429 ]
|
WRC-27 agenda item 1.13 - considerations on sharing study between FS in the frequency band 2 110-2 200 MHz and DC-MSS-IMT operating in the frequency band 1 710-2 200 MHz (Downlink)
|
Brazil
|
AI1.13
|
2025-10-01 |
|
[ 428 ]
|
WRC-27 agenda item 1.13 - Considerations on compatibility study between FS in the frequency band 2 200-2 290 MHz and DC-MSS-IMT operating in the frequency band 1 710-2 200 MHz (Downlink)
|
Brazil
|
AI1.13
|
2025-10-01 |
|
[ 427 ]
|
WRC-27 agenda item 1.13 - Considerations on compatibility study between EESS in the frequency band 2 200-2 290 MHz (s-E) and DC-MSS-IMT operating in the frequency band 2 110-2 200 MHz (Downlink)
|
Brazil
|
AI1.13
|
2025-10-01 |
|
[ 426 ]
|
Proposed modifications to working document on sharing and compatibility studies of possible new allocations to the MSS - WRC-27 agenda item 1.14 and agenda item 1.12
|
Omnispace UK Limited
|
AI1.14, AI1.12
|
2025-10-01 |
|
[ 425 ]
|
Study for inclusion in the working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14
|
Luxembourg
|
AI1.14
|
2025-09-30 |
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