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UIT-R R23-WP4C

Utilización Eficaz de la Orbita y del Espectro para el SMS y el SRDS

Resultados :79 documentos
Resultados :  1 - 2  - Siguiente Next
Contribuciones  [ AI/Cuestión: AI1.11 ]   Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 711 ]  
 
Proposed modifications to working document towards draft CPM text for WRC-27 agenda item 1.11     China   AI1.11   2026-04-10
[ 710 ]  
 
Proposed modifications to the 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)     China   AI1.11   2026-04-10
[ 705 ]  
 
Coexistence of MSS space-to-space systems and other GSO and non-GSO MSS systems     Viasat, Inc.   AI1.11   2026-04-10
[ 678 ]  
 
Working document toward draft CPM text for WRC-27 agenda item 1.11     United States   AI1.11   2026-04-10
[ 677 ]  
 
Working document regarding WRC-27 agenda item 1.11     United States   AI1.11   2026-04-10
[ 661 ]  
 
Supporting material on the MSS protection criteria to be used in sharing and compatibility studies within the context of WRC-27 agenda item 1.11     France   AI1.11   2026-04-10
[ 660 ]  
 
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)     France   AI1.11   2026-04-10
[ 636 ]  
 
Proposed modification to the documents regarding WRC-27 agenda item 1.11     Japan   AI1.11   2026-04-10
[ 625 ]  
 
Sharing and compatibility study between an MSS system utilizing a space-to-space link transmissions and a victim MSS Earth-to-space system in the frequency bands 1 626.5-1 660 MHz     AST & Science SpaceMobile , Ligado NETWORKS LLC   AI1.11   2026-04-10
[ 608 ]  
 
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   2026-04-09
[ 596 ]  
 
Revisions to working document regarding WRC-27 agenda item 1.11 on coexistence with the MetSat service     European Conference of Postal and Telecommunications Administrations   AI1.11   2026-04-09
[ 594 ]  
 
Proposed revisions to working document towards draft CPM text for WRC-27 agenda item 1.11     United Kingdom   AI1.11   2026-04-09
[ 591 ]  
 
Updates to working document towards draft CPM text for WRC-27 agenda item 1.11     Globalstar, Inc.   AI1.11   2026-04-09
[ 590 ]  
 
Studies for protection of MSS (E-S) from satellite-to-satellite links in 1 610-1 626.5 MHz band     Globalstar, Inc.   AI1.11   2026-04-09
[ 578 ]  
 
Compatibility studies relating to space-to-space links in the frequency bands 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) and the Radio Astronomy Service (RAS) operating in the bands 1 610.6-1 613.8 MHz, 1 660-1 670 MHz and 4 990-5 000 MHz for WRC-27 agenda item 1.11     Committee on Radio Astronomy Frequencies   AI1.11   2026-04-09
[ 573 ]  
 
Enabler table for system characteristics and sharing studies for WRC-27 agenda item 1.11     India   AI1.11   2026-04-09
[ 558 ]  
 
Proposed changes to the working document towards draft CPM text for WRC-27 agenda item 1.11 in the frequency bands 1 525-1 544 MHz, 1 545-1 559 MHz and 1 626.5-1 645.5 MHz, 1 646.5-1 660 MHz     Russian Federation   AI1.11   2026-04-08
[ 557 ]  
 
Proposed updates to working document towards draft CPM text for WRC-27 agenda item 1.11 regarding frequency band 1 610-1 626.5 MHz     Russian Federation   AI1.11   2026-04-08
[ 556 ]  
 
Proposed updates to the working document regarding RDSS (section 5.2.2), ARNS (section 5.2.3), ARNSS (section 5.2.4) on WRC-27 agenda item 1.11     Russian Federation   AI1.11   2026-04-08
[ 545 ]  
 
Preliminary position on WRC-27 agenda     World Meteorological Organization   AI1.14, AI1.13, AI1.12, AI1.11   2026-02-18
[ 530 ]  
 
ICAO position for the ITU WRC-27     International Civil Aviation Organization   AI1.13, AI1.12, AI1.11   2025-10-15
[ 523 ]  
 
Proposed modifications to the working document regarding WRC-27 agenda item 1.11     France   AI1.11   2025-10-03
[ 502 ]  
 
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 States   AI1.11   2025-10-03
[ 501 ]  
 
Working document toward draft CPM text for WRC-27 agenda item 1.11     United States   AI1.11   2025-10-03
[ 494 ]  
 
Protection of existing mobile satellite services for consideration under WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     Samoa   AI1.14, AI1.13, AI1.12, AI1.11   2025-10-03
[ 490 ]  
 
Proposed modifications to the working document regarding WRC-27 agenda item 1.11     AST & Science SpaceMobile   AI1.11   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
[ 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
[ 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
[ 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
[ 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
[ 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
[ 392 ]  
 
Proposed modifications to the 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)     China   AI1.11   2025-09-29
[ 388 ]  
 
Reply liaison statement to ITU-R Working Party 4C regarding calculations on overlaps between WRC-27 agenda items 1.11/1.13 and 1.15 - WRC-27 agenda items 1.11, 1.13 and 1.15 sharing studies     WP 7B   AI1.15, AI1.13, AI1.11   2025-09-25
[ 369 ]  
 
Liaison statement to Working Party 4C (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     WP 3M   AI1.14, AI1.13, AI1.12, AI1.11   2025-06-10
[ 348 ]  
 
Proposed modifications to the working document regarding WRC-27 agenda item 1.11     Egypt   AI1.11   2025-04-11
[ 339 ]  
 
Incumbent RDSS system characteristics in the 2 483.5-2 500 MHz frequency band for sharing and compatibility studies in preparation for WRC-27 agenda item 1.11     India   AI1.11   2025-04-11
[ 331 ]  
 
Reply liaison statement to Working Party 5D on protection criterion for terrestrial IMT - WRC-27 agenda items 1.11, 1.12 and 1.14     France   AI1.14, AI1.12, AI1.11   2025-04-11
[ 317 ]  
 
Working document towards draft CPM text for WRC-27 agenda item 1.11     Russian Federation   AI1.11   2025-04-10
[ 316 ]  
 
Revisions to working document regarding WRC-27 agenda item 1.11 - Space-to-space links in Mobile-satellite service (MSS) allocations 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     Russian Federation   AI1.11   2025-04-10
[ 315 ]  
 
The possibility of using the L-band frequencies for non-GSO satellites on space-to-space links under WRC-27 agenda item 1.11     Russian Federation   AI1.11   2025-04-10
[ 307 ]  
 
Proposed updates to the working document regarding WRC-27 agenda item 1.11 - Space-to-space links in Mobile-satellite service (MSS) allocations 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     Russian Federation   AI1.11   2025-04-10
[ 295 ]  
 
Proposed revisions to working document regarding WRC-27 agenda item 1.11 - Space-to-space links in Mobile-satellite service (MSS) allocations 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     Korea (Rep. of)   AI1.11   2025-04-11
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