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ITU-R WP4B-AR

Systems, air inferfaces, performance and availability objectives for FSS, BSS and MSS, including IP-based applications and satellite news gathering

Results:17 total items.
Contributions  [ Source: Japan ]   Documents / Contributions
 
Number 
Received Source Title Questions
[ 52 ]  
 
2014-06-17 Japan   Proposed modifications to a preliminary draft new Report ITU-R S.[MULTI_POL} - Multi-dimensional signal mapping technique for satellite communications contained in Annex 4 to Working Party 4B Chairman's Report     46-3/4  
[ 51 ]  
 
2014-06-17 Japan   Proposed working document towards a preliminary draft new Recommendation ITU-R BO.[UHDTV_TRANSMISSION] - Transmission system for UHDTV satellite broadcasting     N/A  
[ 50 ]  
 
2014-06-17 Japan   Proposed modifications to a preliminary draft revision of Report ITU-R S.2173 contained in Annex 3 to Working Party 4B Chairman's Report     46-3/4  
[ 49 ]  
 
2014-06-17 Japan   Draft new Recommendation ITU-R S.[DIGCID]- Carrier identification system for digital-modulation transmissions for fixed-satellite service (FSS) occasional use (OU) carrier earth station transmissions     N/A  
[ 43 ]  
 
2014-01-28 Japan   Proposed modifications to working document towards a preliminary draft new Report ITU-R S.[MULTI_POL] - Multi-dimensional signal Mapping Technique for Satellite Communications contained in Annex 4 to Working Party 4B Chairman's Report     46-3/4  
[ 42 ]  
 
2014-01-28 Japan   Proposed modifications to working document towards a preliminary draft revision of Report ITU-R S.2173 contained in Annex 3 to Working Party 4B Chairman's Report     46-3/4  
[ 41 ]  
 
2014-01-28 Japan   A preliminary draft new Recommendation ITU-R S.[DIGCID] - Carrier identification system for digital-modulation transmissions for fixed-satellite service (FSS) occasional use (OU) carrier earth station transmissions     271/4  
[ 35 ]  
 
2013-09-18 Japan   Working Document towards a preliminary draft new Report "Multi-dimensional signal mapping technique for satellite communications"     N/A  
[ 34 ]  
 
2013-09-18 Japan   Working Document towards a draft revision of Report ITU-R S.2173 - Multi-carrier based transmission techniques for satellite systems     N/A  
[ 33 ]  
 
2013-09-18 Japan   Proposed modification to Working Document (for Working Party 4B for information purpose only) - Possible modification of Recommendation ITU-R S.1432-1 and development of long-term and short term interference criteria     N/A  
[ 32 ]  
 
2013-09-18 Japan   Working Document towards a preliminary draft new Recommendation ITU-R S.[DIGCID] - A carrier identification system for digital-modulation transmissions for fixed-satellite service (FSS) occasional use (OU) carrier earth station transmissions to geostationary-satellite orbit space stations in the 4-6 GHz and 11-12/13/14 GHz FSS bands to identify harmful interference     N/A  
[ 24 ]  
 
2013-04-18 Japan   Proposed addition to preliminary draft new Recommendation ITU-R S.[GENACC] - Access procedures for fixed-satellite service occasional use (OU) carrier earth station transmissions to geostationary-satellite orbit space stations     N/A  
[ 23 ]  
 
2013-04-18 Japan   Draft new Report ITU-R S.[VSAT] - Use of very small aperture terminals (VSATs)     N/A  
[ 15 ]  
 
2012-09-05 Japan   Draft revision of Report ITU-R S.2151 - Use and examples of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     N/A  
[ 14 ]  
 
2012-09-05 Japan   Preliminary draft new Report ITU-R S.[VSAT] - Use of very small aperture terminals (VSATs) operating in fixed satellite service networks     N/A  
[ 8 ]  
 
2012-05-15 Japan   Database containing points of contact for SNG matters     N/A  
[ 5 ]  
 
2012-05-15 Japan   Proposed revision of Report ITU-R S.2151 - Use and examples of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations (for Working Party 4A for information purpose only)     N/A  
Results:17 total items.
 
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