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UIT-R R23-WP4C

Utilisation Efficace de l´Orbite/Spectre pour le SMS et le SRRS

Resultats:28 documents
Contributions  [ Source: China ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 294 ]  
 
Proposal on the parameters of MSS system towards WRC-27 agenda item 1.7     China   AI1.7   2025-04-10
[ 293 ]  
 
Proposed modifications 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     China   AI1.11   2025-04-10
[ 292 ]  
 
Revisions to 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     China     2025-04-10
[ 291 ]  
 
Considerations on protection criterion related to interference to GSO MSS in the frequency range 1 980-2 010 MHz (Earth-to-space) and 2 170-2 200 MHz (space-to-Earth) for sharing studies for WRC-27     China   AI1.14, AI1.13   2025-04-10
[ 290 ]  
 
Proposal for sharing and compatibility studies in the frequency bands 1 710-2 025 MHz and 2 110-2 200 MHz in relation to WRC-27 agenda item 1.13     China   AI1.13   2025-04-10
[ 289 ]  
 
Proposals on the description of operational concepts/functionality of direct connectivity between space stations and IMT user equipment     China     2025-04-10
[ 288 ]  
 
Proposal on the draft reply liaison statement to Working Party 5D under WRC-27 agenda item 1.13     China   AI1.13   2025-04-10
[ 287 ]  
 
Proposal on sharing and compatibility studies between MSS and IMT under WRC-27 agenda item 1.12     China   AI1.12   2025-04-10
[ 286 ]  
 
Proposal on sharing and compatibility studies between MSS and IMT operated in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     China   AI1.14   2025-04-10
[ 285 ]  
 
Proposal for the suppression of Recommendation ITU-R M.632-3 - Transmission characteristics of a satellite emergency position-indicating radio beacon (satellite EPIRB) system operating through geostationary satellites in the 1.6 GHz band     China     2025-04-10
[ 284 ]  
 
Proposal for sharing and compatibility studies in the frequency bands 2 500-2 570 MHz and 2 620-2 690 MHz in relation to WRC-27 agenda item 1.13     China   AI1.13   2025-04-10
[ 283 ]  
 
Consideration of issues on power flux-density under WRC-27 agenda item 1.13     China   AI1.13   2025-04-10
[ 282 ]  
 
Updates to preliminary draft revision of Recommendation ITU-R M.1787 on new non-GSO RNSS system in the 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz frequency bands - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations...     China     2025-04-10
[ 281 ]  
 
Proposal for sharing and compatibility studies in the frequency bands 1 427-1 518 MHz in relation to WRC-27 agenda item 1.13     China   AI1.13   2025-04-10
[ 280 ]  
 
Revision to working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14     China   AI1.14   2025-04-10
[ 159 ]  
 
Proposal on the parameters of GSO MSS system for direct connectivity between space stations and IMT user equipment for sharing studies under WRC-27 agenda item 1.13     China   AI1.13   2024-09-27
[ 158 ]  
 
Proposal of technical and operational parameters framework of low-data-rate non-geostationary mobile-satellite systems     China   AI1.12   2024-09-27
[ 157 ]  
 
Study on spectrum requirements of low-data-rate non-geostationary mobile-satellite systems     China   AI1.12   2024-09-27
[ 156 ]  
 
Proposal on the parameters of MSS system for direct connectivity between space stations and IMT user equipment towards WRC-27 agenda item 1.13     China   AI1.13   2024-09-27
[ 155 ]  
 
Proposed draft liaison statement to Working Party 7C on draft revision of Report ITU-R M.2305-0     China     2024-09-27
[ 154 ]  
 
Technical and operational characteristics of the existing mobile-satellite service system for sharing and compatibility studies in preparation for WRC-27     China   AI1.14, AI1.13   2024-09-27
[ 153 ]  
 
Consideration on TDD frequency bands for agenda item 1.13     China   AI1.13   2024-09-27
[ 152 ]  
 
Proposed updates for working document regarding WRC-27 agenda item 1.11 - WRC-27 agenda item 1.11 - Non-geostationary satellites operating 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     China   AI1.11   2024-09-27
[ 69 ]  
 
Considerations on preparation for WRC-27 agenda item 1.14     China   AI1.14   2024-04-12
[ 68 ]  
 
Draft workplan for WRC-27 agenda item 1.12     China   AI1.12   2024-04-12
[ 67 ]  
 
Considerations on preparations for WRC-27 agenda item 1.11     China   AI1.11   2024-04-12
[ 66 ]  
 
Proposals on the working method for overlapping frequency of WRC-27 agenda items 1.12, 1.13 and 1.14     China   AI1.14, AI1.13, AI1.12   2024-04-12
[ 65 ]  
 
Proposal on the work towards WRC-27 agenda item 1.13     China   AI1.13   2024-04-12
Resultats:28 documents
 
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Mis à jour le : 2025-7-21