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UIT-R R23-WP4C  C 

UIT-R R23-WP4C

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

Resultats:32 documents
Contributions  [ Source: Japan ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 481 ]  
 
Proposal on a draft reply liaison statement to Working Party 5D under WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 480 ]  
 
Consideration on calculation of aggregate interference from MSS space stations and proposed updating on working document under WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 479 ]  
 
Proposed working document towards draft CPM text for WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 478 ]  
 
Proposed updates to working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment     Japan     2025-10-03
[ 477 ]  
 
Proposed updates to sharing and compatibility studies between incumbent MSS systems and DC-MSS-IMT systems in the 2.5/2.6 GHz frequency bands under WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 476 ]  
 
Proposals on sharing studies between HIBS and MSS (Earth-to-space) in the frequency band 2 010-2 025 MHz under WRC-27 agenda item 1.14     Japan   AI1.14   2025-10-03
[ 475 ]  
 
Proposals on sharing studies between HIBS and DC-MSS-IMT under WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 474 ]  
 
Proposals on sharing studies under WRC-27 agenda item 1.12     Japan   AI1.12   2025-10-03
[ 473 ]  
 
Proposed updates on studies for technical characteristics and operational objectives of emerging RNSS systems     Japan     2025-10-03
[ 472 ]  
 
Proposed updates on working document on sharing and compatibility studies under WRC-27 agenda item 1.13     Japan   AI1.13   2025-10-03
[ 471 ]  
 
Proposal for draft revision to Recommendation ITU-R M.1787 - 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     Japan   Q288/4, Q217-2/4   2025-10-03
[ 352 ]  
 
Elements for the Handbook on satellite communications and technologies     Japan     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
[ 322 ]  
 
Proposed updates on studies for technical characteristics and operational objectives for emerging RNSS systems     Japan   AI2.9   2025-04-11
[ 321 ]  
 
Proposal for reply liaison statement to Working Party 5B on RNSS-AM(R)S matters     Japan     2025-04-11
[ 320 ]  
 
Proposed modifications on working document regarding WRC-27 agenda item 1.12     Japan   AI1.12   2025-04-11
[ 138 ]  
 
Proposed new study on technical characteristics and operational objectives for emerging RNSS systems     Japan   AI2.9   2024-09-26
[ 137 ]  
 
Proposal for modification of preliminary draft revision to Recommendation ITU-R M.1787 - 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     Japan   Q288/4, Q217-2/4   2024-09-26
[ 136 ]  
 
Incumbent MSS system characteristics in the 2.5/2.6 GHz frequency bands for sharing and compatibility studies in preparation for WRC-27 agenda item 1.13     Japan   AI1.13   2024-09-26
[ 135 ]  
 
Proposed updating working document toward supporting WRC-27 agenda item 1.13     Japan   AI1.13   2024-09-26
[ 134 ]  
 
Considerations for frequency selection of satellite direct communications taking account of way to conduct sharing and compatibility studies with terrestrial IMT systems on WRC-27 agenda item 1.13     Japan   AI1.13   2024-09-26
[ 133 ]  
 
Proposed roles/responsibilities for technical and regulatory studies concerning WRC-27 agenda item 1.13     Japan   AI1.13   2024-09-26
[ 31 ]  
 
Proposed frequency bands to be studied under WRC-27 agenda item 1.13     Japan   AI1.13   2024-04-10
[ 30 ]  
 
Proposed work plan for WRC-27 agenda item 1.13     Japan   AI1.13   2024-04-10
[ 29 ]  
 
Proposed draft reply liaison statement to Working Party 5D concerning WRC-27 agenda item 1.13     Japan   AI1.13   2024-04-10
[ 28 ]  
 
Proposed draft liaison statement to Working Parties 3L, 4B, 5A, 5C, 5D, 7B and 7C concerning WRC-27 agenda item 1.14     Japan   AI1.14   2024-04-10
[ 27 ]  
 
Proposed draft liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D concerning WRC-27 agenda item 1.13     Japan   AI1.13   2024-04-10
[ 26 ]  
 
Proposed draft liaison statement to Working Parties 3L, 3M, 4B, 5A, 5B, 5C, 5D, 7B, 7C and 7D concerning WRC-27 agenda item 1.12     Japan   AI1.12   2024-04-10
Resultats:32 documents
 
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Mis à jour le : 2025-10-7