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ITU-R R23-WP4C

Efficient Orbit/Spectrum Utilization for MSS and RDSS

Results:545 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 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
[ 424 ]  
 
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
[ 423 ]  
 
Draft revision to Recommendation ITU-R M.1787-5 - 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     Korea (Rep. of)   Q288/4, Q217-2/4   2025-09-30
[ 422 ]  
 
Proposed revisions to a 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 sharing studies between the mobile-satellite service (MSS) and other services     Korea (Rep. of)     2025-09-30
[ 421 ]  
 
Proposed modifications to working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Korea (Rep. of)     2025-09-30
[ 420 ]  
 
Revision to skeleton of working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14     China Telecommunications Corporation   AI1.14   2025-09-29
[ 419 ]  
 
Proposal on revision of Recommendation ITU-R M.1480-0 - Essential technical requirements of mobile earth stations of geostationary mobile-satellite systems that are implementing the global mobile personal communications by satellite (GMPCS) - Memorandum of understanding arrangements in parts of the frequency band 1-3 GHz     China     2025-09-29
[ 418 ]  
 
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 sharing studies between the mobile-satellite service (MSS) and other services     China     2025-09-29
[ 417 ]  
 
Proposed modifications to the working document towards a preliminary draft new Report ITU-R M.[RES.609] - Potential mitigation methods to ensure the aggregate equivalent power flux-density (epfd) limit on radionavigation-satellite service (RNSS) systems and networks operating in the 1 164-1 215 MHz band, from resolves 1 of Resolution 609 (Rev.WRC-07), is not exceeded     China     2025-09-29
[ 416 ]  
 
Proposed updates on working document in support of WRC-31 preliminary agenda item 2.9 - Technical characteristics and operational objectives of emerging RNSS systems     China     2025-09-29
[ 415 ]  
 
Sharing and compatibility studies between the MSS system and SOS system under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 414 ]  
 
Compatibility analysis of interference between MSS system and MS system under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 413 ]  
 
Sharing and compatibility studies between MSS and FS in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 412 ]  
 
Sharing and compatibility studies between MSS and IMT (including HIBS) in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 411 ]  
 
Sharing and compatibility studies between MSS and SAP/SAB operated in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 410 ]  
 
Proposal on sharing and compatibility studies between possible new MSS system and incumbent GSO MSS system under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 409 ]  
 
Sharing and compatibility studies between MSS and IMT in the 2 120-2 170 MHz frequency band under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 408 ]  
 
Proposed revision of technical characteristics of MSS systems for possible new MSS allocation under WRC-27 agenda item 1.14     China   AI1.14   2025-09-29
[ 407 ]  
 
Way forward on issue of protection criteria related to interference to GSO MSS and proposed values for a specific GSO MSS system in the frequency range 1 980-2 010 MHz and 2 170-2 200 MHz     China   AI1.14, AI1.13, AI1.12   2025-09-29
[ 406 ]  
 
Considerations on protection criterion for GSO MSS systems in sharing and compatibility studies of WRC-27 agenda items 1.12, 1.13, 1.14     China   AI1.14, AI1.13, AI1.12   2025-09-29
[ 405 ]  
 
Analysis of aggregate interference from DC-MSS-IMT systems to terrestrial IMT receivers under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 404 ]  
 
WRC-27 agenda item 1.13 - Analysis on the applicability of Recommendation ITU-R M.2101 under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 403 ]  
 
Sharing and compatibility studies between DC-MSS-IMT and FS under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 402 ]  
 
Proposal on sharing and compatibility studies of DC-MSS-IMT systems in the frequency band 2 300-2 400 MHz in relation to WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 401 ]  
 
Sharing and compatibility studies between DC-MSS-IMT and SRS (deep space) in the frequency range 1 710-2 200 MHz     China     2025-09-29
[ 400 ]  
 
Analysis of interference from DC-MSS-IMT system to GSO MSS system under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 399 ]  
 
Sharing and compatibility studies between DC-MSS-IMT and FS system in 1 710-2 200 MHz under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 398 ]  
 
Compatibility analysis between DC-MSS-IMT system and MS system under WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 397 ]  
 
Proposal on sharing and compatibility studies of DC-MSS-IMT systems in the frequency band 1 429-1 518 MHz in relation to WRC-27 agenda item 1.13     China   AI1.13   2025-09-29
[ 396 ]  
 
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   2025-09-29
Results:545 total items.
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