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  Home : ITU-R : R23-WP4C : Meeting 2026-04-22 : Temporary Documents  Recently posted -  Search Meeting Documents
   
ITU-R R23-WP4C  TD (2026-04-22) 

ITU-R R23-WP4C

Efficient Orbit/Spectrum Utilization for MSS and RDSS

Meeting  from 2026-04-22 to 2026-05-01

held in Switzerland [Geneva]

Results:34 total items.
Temporary Documents  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 174 ]  
 
Draft reply liaison statement to Working Party 5D - Studies on WRC-27 agenda item 1.13     WG 4C1     2026-05-01
[ 173 ]  
 
Working document on the possible description and functionality of MSS Systems for direct connectivity between space stations and IMT user equipment     WG 4C1     2026-05-01
[ 172 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R [MSS_SAT_ANTENNA_PATTERN] - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the mobile-satellite service below 30 GHz     WG 4C1     2026-05-01
[ 171 ]  
 
Work plan for WRC-27 agenda item 1.13     WG 4C1   AI1.13   2026-05-01
[ 170 ]  
 
Working document on sharing and compatibility studies under WRC-27 agenda item 1.13     WG 4C1   AI1.13   2026-05-01
[ 169 ]  
 
Working document towards draft CPM text for WRC-27 agenda item 1.13     WG 4C1   AI1.13   2026-05-01
[ 168 ]  
 
Draft work plan for WRC-27 agenda item 1.12     WG 4C1   AI1.12   2026-05-01
[ 167 ]  
 
Working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service     WG 4C1   AI1.12   2026-05-01
[ 166 ]  
 
Working document towards draft CPM text for WRC-27 agenda item 1.12     WG 4C1   AI1.12   2026-05-01
[ 165 ]  
 
Working document relating to CPM text for WRC-27 agenda item 1.14     WG 4C1   AI1.14   2026-05-01
[ 164 ]  
 
Proposed revisions to detailed workplan for WRC-27 agenda item 1.14     WG 4C1   AI1.14   2026-05-01
[ 163 ]  
 
Draft working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14     WG 4C1   AI1.14   2026-05-01
[ 162 ]  
 
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 and compatibility studies between the mobile-satellite service (MSS) and other services     WG 4C1     2026-05-01
[ 161 ]  
 
Working document with regard to overlapping frequency band 2010-2025 MHz considered in WRC-27 agenda items 1.12 and 1.13     WG 4C1   AI1.13, AI1.12   2026-05-01
[ 160 ]  
 
Supporting document for CPM text of agenda item 1.11 comments and questions     WG 4C2   AI1.11   2026-05-01
[ 159 ]  
 
Work plan for WRC-27 agenda item 1.11     WG 4C2   AI1.11   2026-05-01
[ 158 ]  
 
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)     WG 4C2   AI1.11   2026-05-01
[ 157 ]  
 
Enabler table for system characteristics and sharing studies for WRC-27 agenda item 1.11     WG 4C2   AI1.11   2026-05-01
[ 156 ]  
 
Working document towards draft CPM text for WRC-27 agenda item 1.11     WG 4C2   AI1.11   2026-05-01
[ 155 ]  
 
Protection criteria of existing MSS to be applied in sharing and compatibility studies within the WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     AHG MSS Protection Criteria   AI1.14, AI1.13, AI1.12, AI1.11   2026-04-30
[ 154 ]  
 
Element for Working Party 4C Chair Report on the protection criteria of existing MSS to be applied in sharing and compatibility studies within the WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     AHG MSS Protection Criteria   AI1.14, AI1.13, AI1.12, AI1.11   2026-04-30
[ 153 ]  
 
Working document toward a preliminary draft 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     WG 4C2     2026-04-30
[ 152 ]  
 
Working document in support of WRC-31 preliminary agenda item 2.9 - Technical characteristics, operational objectives, spectrum needs of emerging RNSS systems to facilitate consideration of WRC-31 preliminary agenda item 2.9     WG 4C2     2026-04-30
[ 151 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[RES.609-FURTHER] - Study of alternatives to a per-satellite maximum PFD level in ensuring that no single radionavigation-satellite system or network in the 1 164-1 215 MHz frequency band uses up the entire interference allowance specified by resolves 1 of Resolution 609 (Rev. WRC-07)     WG 4C2     2026-04-30
[ 150 ]  
 
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     WG 4C2     2026-04-30
[ 149 ]  
 
Draft reply liaison statement to Working Party 4A - Update on sections 5 and 6 regarding MSS and RDSS/RNSS of the draft working document for the Handbook on Satellite Communications and Technologies     AHG Satellite Communications and Technologies Handbook     2026-04-30
[ 148 ]  
 
Proposals on the working document towards a preliminary draft revision of Recommendation ITU-R M.1183     AHG MMS Protection Criteria     2026-04-30
[ 147 ]  
 
Working document towards a preliminary draft revision Recommendation ITU-R M.1316-1 - Principles and a methodology for frequency sharing in the 1 610.6-1 613.8 MHz and 1 660-1 660.5 MHz bands between the mobile-satellite service (Earth-to-space) and the radio astronomy service     WG 4C2     2026-04-29
[ 146 ]  
 
Preliminary draft revision to Recommendation ITU-R M.1787-6 - 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     WG 4C2     2026-04-29
[ 145 ]  
 
Working document towards a preliminary draft revision to 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     WG 4C2     2026-04-29
[ 144 ]  
 
[Draft] reply liaison statement to Working Party 5B - Protection of RNSS receivers operating in 5 010-5 030 MHz from AM(R)S transmitters operating in 5 030-5 091 MHz     WG 4C2     2026-04-29
[ 143 ]  
 
[Draft] Reply liaison statement to Working Party 7C - RNSS-related comments on new Report ITU-R RS.2566     WG 4C2     2026-04-29
[ 142 ]  
 
Draft Chapter 6 of Satellite Communications and Technologies Handbook     AHG Satellite Communications and Technologies Handbook     2026-04-29
[ 141 ]  
 
Draft Chapter 5 of Satellite Communications and Technologies Handbook     AHG Satellite Communications and Technologies Handbook     2026-04-29
Results:34 total items.
 
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