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ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:559 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 459 ]  
 
Draft reply liaison statement to Working Party 7C - Technical and operational characteristics of FSS systems for sharing and compatibility studies on WRC-27 agenda item 1.19     France   AI1.19   2025-04-22
[ 458 ]  
 
Draft reply liaison statement to Working Party 5D - Relevant technical information to support studies under WRC-27 agenda item 1.7     France   AI1.7   2025-04-22
[ 457 ]  
 
Proposal to include a new topic under WRC-27 agenda item 7 - Possible measures to govern application of RR No. 11.41     Saudi Arabia   AI7   2025-04-22
[ 456 ]  
 
Proposed revisions to working document towards draft CPM text for WRC-27 agenda item 1.5 - WRC-27 agenda item 1.5 (Working Party 4A/ Working Party 1B, Working Party 4C)     Kazakhstan   AI1.5   2025-04-22
[ 455 ]  
 
Proposal regarding the contents of the handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Astroscale Ltd.     2025-04-22
[ 454 ]  
 
Sharing study between aeronautical earth stations in motion and stations in the fixed service     Luxembourg   AI1.1   2025-04-23
[ 453 ]  
 
Updated values for ESIMs parameters to be considered and used for studies under WRC-27 agenda item 1.1     Luxembourg   AI1.1   2025-04-23
[ 452 ]  
 
Proposed topic under WRC-27 agenda item 7 - Inclusion of the territory of a country in the service area of a notified geostationary (GSO) satellite networks in the planned and unplanned BSS frequency bands and in the planned FSS frequency bands subject to Appendices 30A and 30B, without imposing new coordination restrictions to satellite networks already submitted to the Bureau     Luxembourg   AI7   2025-04-22
[ 451 ]  
 
Proposed topic under WRC-27 agenda item 7 - Assessing the potential advantage to define coordination arc for frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds     Luxembourg   AI7   2025-04-22
[ 450 ]  
 
Elements about the derivation of epfd limits in the up and intersatellite directions     Luxembourg     2025-04-22
[ 449 ]  
 
Proposed way forward on Annexes 30, 31 and 32 to Working Party 4A Chair's Report     Luxembourg     2025-04-22
[ 448 ]  
 
FSS system characteristics relevant to WRC-27 agenda item 1.7 - Proposed material for the reply liaison statement to Working Party 5D     Luxembourg   AI1.7   2025-04-22
[ 447 ]  
 
Studies for inclusion in the working document on WRC-27 agenda item 1.2 - Update to working document on WRC-27 agenda item 1.2     Luxembourg   AI1.2   2025-04-22
[ 446 ]  
 
Further considerations on the FSS non-GSO earth station antenna radiation patterns of recommendation ITU-R S.1428 - Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz     Luxembourg , New Zealand     2025-04-22
[ 445 ]  
 
Proposal to streamline the epfd studies of Article 22     Luxembourg , New Zealand     2025-04-22
[ 444 ]  
 
Impact of low interference (I/N < -20 dB) on BER in a gaussian noise-limited satellite link     Galaxy Space (Beijing) Communication Technology Co., Ltd     2025-04-22
[ 443 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R S.1529 - Analytical method for determining the statistics of interference between non geostationary satellite orbit fixed-satellite service systems and other non-geostationary satellite orbit fixed satellite service systems or geostationary satellite orbit fixed satellite service networks     China     2025-04-22
[ 442 ]  
 
Top-N highest elevation random selection strategy     Galaxy Space (Beijing) Communication Technology Co., Ltd     2025-04-22
[ 441 ]  
 
Study items related to Resolution 40 (Rev.WRC-19) for WRC-27 agenda item 7     China   AI7   2025-04-22
[ 440 ]  
 
Information of China domestic regulations and policies regarding the sustainable use of radio-frequency spectrum and associated satellite-orbit resources used by space services     China     2025-04-22
[ 439 ]  
 
Relevant technical information to support studies under WRC-27 agenda item 1.16 documenting FSS characteristics in some frequency bands     China   AI1.16   2025-04-22
[ 438 ]  
 
Liaison statement to Working Party 7D - Relevant technical information to support studies under WRC-27 agenda item 1.16 documenting FSS characteristics in some frequency bands     China   AI1.16   2025-04-22
[ 437 ]  
 
Proposed topic to be considered under WRC-23 agenda item 7 - To develop possible regulatory measures to implement RR No. 4.4     China   AI7   2025-04-22
[ 436 ]  
 
Proposals for updating the draft Handbook on satellite communications and technologies     China     2025-04-22
[ 435 ]  
 
Proposal on the studies under WRC-27 agenda item 1.2     China   AI1.2   2025-04-22
[ 434 ]  
 
Proposal on the parameters of FSS system towards WRC-27 agenda item 1.7     China   AI1.7   2025-04-22
[ 433 ]  
 
Proposal for working document towards a preliminary draft revision of Recommendation ITU-R S.1526-1 - Methodology to assess the interference environment in relation to Nos. 9.12, 9.12A and 9.13 of the Radio Regulations when non-geostationary-satellite orbit fixed-satellite service systems are involved     China     2025-04-22
[ 432 ]  
 
Proposal for updating elements of working document on WRC-27 agenda item 1.4     China   AI1.4   2025-04-22
[ 431 ]  
 
Proposal for table of contents of the preliminary draft handbook on best practices for the sustainable use of frequencies and related non-GSO orbits     China     2025-04-22
[ 430 ]  
 
Preliminary sharing study on FSS ESIMS and GSO EESS (passive) in 50.2-50.4 GHz band (adjacent band) regarding WRC-27 agenda item 1.1     China   AI1.1   2025-04-22
[ 429 ]  
 
Draft contribution to Working Party 4A on WRC-27 agenda item 1.6     China   AI1.6   2025-04-22
[ 428 ]  
 
Considerations of elements for working document on WRC-27 agenda item 1.5     China   AI1.5   2025-04-22
[ 427 ]  
 
Considerations on the simulation method for aggregate interference from both non-GSO and GSO feeder links to passive remote sensing services     China   AI1.3   2025-04-22
[ 426 ]  
 
Elements of working document relating to WRC-27 agenda item 1.3 - Studies relating to the use of the frequency band 51.4-52.4 GHz to enable its use by gateway earth stations transmitting to non-geostationary-satellite orbit systems in the fixed-satellite service (Earth-to-space)     SES   AI1.3   2025-04-21
[ 425 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Proposed topic to be considered under WRC-27 agenda item 7 to develop possible regulatory measures to implement RR No. 4.4 "Additional transparency measures and views for a WRC-27 agenda item 7 topic on RR No. 4.4"     Iran (Islamic Republic of)   AI7   2025-04-21
[ 424 ]  
 
Proposed topic under WRC-27 agenda item 7 - Possible measures to enhance long-term protection and sustainable development of broadcasting-satellite service in Regions 1 and 3 Plan band against unjustifiably severe misaligned FSS in Region 2, and vice versa     Iran (Islamic Republic of)   AI7   2025-04-17
[ 423 ]  
 
Elements of working document towards draft CPM text for WRC-27 agenda item 1.5 - Comments from the Islamic Republic of Iran on Annex 12 to Working Party 4A Chair's Report     Iran (Islamic Republic of)   AI1.5   2025-04-20
[ 422 ]  
 
Proposed revisions on the document "Elements of working document on WRC-27 agenda item 1.4"     Micronesia   AI1.4   2025-04-22
[ 421 ]  
 
Elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     France   AI1.4   2025-04-18
[ 420 ]  
 
Regulation of application of RR No. 4.4 to satellite networks/systems     Russian Federation   AI7   2025-04-21
[ 419 ]  
 
Relevant technical information to support studies under WRC-27 agenda item 1.7     Russian Federation   AI1.7   2025-04-21
[ 418 ]  
 
Elements of working document towards draft CPM text for WRC-27 agenda item 1.5     Russian Federation   AI1.5   2025-04-21
[ 417 ]  
 
Proposals for draft liaison statement to Working Party 7B     Russian Federation   AI1.2   2025-04-21
[ 416 ]  
 
Proposed modification of the [elements towards a working document on / working document towards preliminary draft new ITU-R REPORT] WRC-27 agenda item 1.1 - Characteristics of typical earth stations for High-density GSO FSS application systems in Region 1, submitted by administrations of the countries of the Regional Commonwealth in the field of communications...     Azerbaijan , Belarus , Kazakhstan , Russian Federation   AI1.1   2025-04-21
[ 415 ]  
 
VCUB1 satellite additional information related to circular letter CA/272 and Resolution ITU-R 74 on deorbit and/or disposal strategies and methodologies for non-GSO space stations involved in radiocommunication services after the end of their life     Brazil     2025-04-17
[ 414 ]  
 
Proposal for a working document towards a preliminary draft new Recommendation ITU-R S.[NGSO DEORBITING] - Guidance on safe and efficient deorbit and/or disposal strategies and methodologies for non-GSO space stations involved in radiocommunication services after the end of their life     Brazil     2025-04-17
[ 413 ]  
 
Brazil's views on topic Resolution 40 / Restrain repeated B/BIU / Hopping without moving / Capability proposed for WRC-27 agenda item 7     Brazil   AI7   2025-04-17
[ 412 ]  
 
Proposals to establish a WRC-27 agenda item 7 topic on additional measures for the transparency and recording of frequency assignments of non-GSO systems under RR No. 4.4     Brazil   AI7   2025-04-17
[ 411 ]  
 
Updates to proposed reply liaison statement to Working Party 5D on work related to WRC-27 agenda item 1.7     Brazil   AI1.7   2025-04-17
[ 410 ]  
 
FSS deployment models for GSO and non-GSO systems to be used for WRC-27 agenda item 1.2 studies     Brazil   AI1.2   2025-04-17
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