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ITU-R R23-WP4C  C 

ITU-R R23-WP4C

Efficient Orbit/Spectrum Utilization for MSS and RDSS

Results:372 total items.
Result page:  1 - 2 - 3 - 4 - 5 - 6 - 7 - 8  - Next Next
Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 372 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.7     WPs 3K and 3M   AI1.7   2025-06-10
[ 371 ]  
 
Liaison statement to Working Party 7B (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D for information) - Report on progress of activities relating to WRC-27 agenda item 1.15     WP 3J   AI1.15   2025-06-10
[ 370 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 4A, 4B, 4C, 5A, 5B, 6A, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.10     WP 3M   AI1.10   2025-06-10
[ 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
[ 368 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 4A, 4C, 5A, 5C, 7C and 7D for information) - Guidance on usage of Recommendations ITU-R P.2108 and ITU-R P.2109 to support studies under WRC-27 agenda item 1.8     WPs 3J, 3K and 3M   AI1.8   2025-06-09
[ 367 ]  
 
Liaison statement to Working Party 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5D for information) - Update on propagation modelling for WRC-27 agenda item 1.16     WP 3M   AI1.16   2025-06-09
[ 366 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.17     WP 3M   AI1.17   2025-06-09
[ 365 ]  
 
Liaison statement to Working Parties 7C and 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5C for information) - Update on propagation modelling for WRC-27 agenda item 1.18     WP 3M   AI1.18   2025-06-09
[ 364 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 4C, 7B and 7D) - Technical information to support studies under WRC-27 agenda item 1.7     WP 4A   AI1.7   2025-06-03
[ 363 ]  
 
Reply liaison statement to Working Party 4C - Protection of RNSS receivers operating in the frequency band 5 010-5 030 MHz from AM(R)S transmitters operating in the frequency band 5 030-5 091 MHz     WP 5B     2025-05-29
[ 362 ]  
 
Additional information on the summary of conclusions of the 32nd meeting of the Radiocommunication Advisory Group for the attention of all ITU-R Study Groups and Working Parties     Director, BR     2025-05-23
[ 361 ]  
 
Reply liaison statement to Working Parties 4B, 4C and 5A (copy for information to Study Groups 1, 5 and 7)     WP 4A     2025-05-20
[ 360 ]  
 
Reply liaison statement to Working Party 4C - Technical information for sharing studies under WRC-27 agenda items 1.12 and 1.13     WP 5B   AI1.13, AI1.12   2025-05-16
[ 359 ]  
 
Liaison statement from ITU-D Study Group 2 Question 2/2 to ITU-T Study Groups, ITU-R Working Parties and related organizations on final Report of Question 2/2 - ITU-D Study Group 2 Question 2/2: Enabling technologies for e-services and applications, including e-health and e-education     ITU-D SG2     2025-05-16
[ 358 ]  
 
Liaison statement from ITU-D Study Group 1 Question 3/1 to ITU-T Study Groups, ITU-R Working Parties, APT ASTAP and ETSI on use of telecommunications/ICTs for disaster risk reduction and management - ITU-D Study Group 1 Question 3/1: The use of telecommunications/ICTs for disaster risk reduction and management     ITU-D SG1     2025-05-16
[ 357 ]  
 
Liaison statement on the provisional approval of a new work item on cost models for provisioning satellite internet connectivity services     ITU-T SG3     2025-05-02
[ 356 ]  
+Ann.1-22 
Report of the thirty-third meeting of Working Party 4C (Shanghai, China, 23 April - 2 May 2025)     Chair, WP 4C     2025-05-02
[ 355 ]  
 
Final list of participants - Working Party 4C (Shanghai, China, 23 April - 2 May 2025)     Director, BR     2025-05-02
[ 354 ]  
 
List of documents issued (Documents 4C/204 - 4C/354)     BR, Study Groups Department     2025-04-22
[ 353 ]  
 
Liaison statement on satellite to satellite free space optical communication     ITU-T SG15     2025-04-15
[ 352 ]  
 
Elements for the Handbook on satellite communications and technologies     Japan     2025-04-11
[ 351 ]  
 
Proposal for the development of an ITU-R Handbook on satellite communications and technologies     Global Satellite Operators' Association GSOA     2025-04-11
[ 350 ]  
 
Proposed modification initial consideration on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Egypt   AI1.13   2025-04-11
[ 349 ]  
 
Proposed criteria for mitigating interference from Direct-to-Cell (D-2-C) Mobile satellite services (MSS) and establishing interference resolution responsibilities     Egypt   AI1.13   2025-04-11
[ 348 ]  
 
Proposed modifications to the working document regarding WRC-27 agenda item 1.11     Egypt   AI1.11   2025-04-11
[ 347 ]  
 
Proposals on related working documents on direct communication with IMT user equipment - WRC-27 agenda item 1.13     Germany   AI1.13   2025-04-11
[ 346 ]  
 
Proposed updates to working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13     Motorola Solutions Inc.   AI1.13   2025-04-11
[ 345 ]  
 
Proposals to advance the work under WRC-27 agenda item 1.13 - Initial consideration on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Kenya , Mozambique , Namibia , South Africa   AI1.13   2025-04-11
[ 344 ]  
 
Characteristics and protection criteria of the existing studio transmitter links (uni-directional point-to-point) for sharing and compatibility studies under agenda item 1.12 and 1.14 in preparation for WRC-27     South Africa   AI1.14, AI1.12   2025-04-11
[ 343 ]  
 
Proposed draft revision of 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     India   Q288/4, Q217-2/4   2025-04-11
[ 342 ]  
 
Proposal for working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13     India   AI1.13   2025-04-11
[ 341 ]  
 
Proposal for the reply liaison statement to Working Party 5D on WRC-27 agenda item 1.7     India   AI1.7   2025-04-11
[ 340 ]  
 
Incumbent system characteristics in the 2.4/2.5/2.6 GHz frequency bands for sharing and compatibility studies in preparation for WRC-27 agenda item 1.13     India   AI1.13   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
[ 338 ]  
 
Working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13     Tonga   AI1.13   2025-04-11
[ 337 ]  
 
Proposed revisions to the working document on a possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Tonga   AI1.13   2025-04-11
[ 336 ]  
 
Elements to be considered in sharing and compatibility studies in relation to WRC-27 agenda item 1.13     Telefon AB - LM Ericsson , Nokia Corporation   AI1.13   2025-04-11
[ 335 ]  
 
Considerations on MSS non-GSO characteristics for reply liaison statement to Working Party 5D     Telefon AB - LM Ericsson , Nokia Corporation , Qualcomm, Inc.     2025-04-11
[ 334 ]  
 
Proposed updates to working document in support of WRC-31 provisional agenda item 2.9     European Space Agency (ESA)   AI2.9   2025-04-11
[ 333 ]  
 
Towards sharing studies related to WRC-27 agenda item 1.13     IAFI   AI1.13   2025-04-11
[ 332 ]  
 
Preliminary elements of protection of aeronautical mobile telemetry (AMT) from MSS under agenda item 1.13 (WRC-27)     France   AI1.13   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
[ 330 ]  
 
Working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service     France   AI1.12   2025-04-11
[ 329 ]  
 
Preliminary draft reply liaison statement to Working Party 5D - Relevant technical information to support studies under WRC-27 agenda item 1.7     France   AI1.7   2025-04-11
[ 328 ]  
 
Proposed new working document in support of Resolution 609 (Rev. WRC-07) consultation meetings     France     2025-04-11
[ 327 ]  
 
Consideration on calculation of aggregate interference from MSS space stations under WRC-27 agenda item 1.13 and a draft reply liaison statement to Working Party 5D     Japan   AI1.13   2025-04-11
[ 326 ]  
 
Proposed update to working document on technical and operational characteristics of MSS for direct communication with IMT user equipment     Japan   AI1.13   2025-04-11
[ 325 ]  
 
Proposed updates to working document on initial consideration on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Japan   AI1.13   2025-04-11
[ 324 ]  
 
Proposed modifications to working document towards 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 developing criteria for sharing between the mobile-satellite service (MSS) and other services     Japan     2025-04-11
[ 323 ]  
 
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     Japan   AI1.13   2025-04-11
Results:372 total items.
Result page:  1 - 2 - 3 - 4 - 5 - 6 - 7 - 8  - Next Next
 
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