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Utilisation efficace de l''orbite/spectre

Resultats:30 documents
Contributions  [ Source: Japan ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 410 ]  
 
Comments/proposal to the preliminary draft revision to Recommendation ITU-R S.465-5 - Reference earth-station radiation pattern for use in coordination and interference assessment in the frequency range from 2 to 31 GHz     Japan     2007-05-25
[ 285 ]  
 
Proposal for draft revision of Recommendation ITU-R S.1713 - "Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary satellite in a HEO "active" arc and a geostationary satellite"     Japan   241/4   2006-03-09
[ 283 ]  
 
Impact of a proposed pfd mask on the design and operation of HIO FSS systems     Japan     2006-03-07
[ 232 ]  
 
Revisions to PDNR ITU-R S.[HEO_TT&C] in Annex 3 of the June 2005 WP 4A Chairman's Report (Doc. 4A/196) - Proposed draft new Recommendation: analysis of interference from HEO system routine TT&C transmissions in FSS bands into GSO networks and guidelines to be used for designing and operating HEO system TT&C     Japan   241/4, 240/4   2005-10-25
[ 231 ]  
 
Proposed draft two liaison statements to Working Patries 4-9S, 6S, 7B and 8D     Japan     2005-10-25
[ 230 ]  
 
Review of S and SF Series ITU-R Recommendations for consistency with the chracterizations and terminology used in proposed draft new Recommendation ITU-R S.[HEO_SYS_CHAR]     Japan   241/4   2005-10-25
[ 229 ]  
 
Proposed draft new Recommendation ITU-R S.[HEO_SYS_CHAR] - Characterization of HEO type non-GSO FSS systems     Japan   241/4   2005-10-25
[ 227 ]  
 
Proposal for preliminary draft revision of Recommendation ITU-R S.1713 - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary satellite in HEO "Active" arc and a geostationary satellite"     Japan   241/4   2005-10-24
[ 225 ]  
 
Measurement data for small earth station antenna radiation patterns in the 29, 19.2, 14 and 12 GHz frequency bands     Japan   42-1/4   2005-10-25
[ 218 ]  
 
proposed modification of preliminary draft revision to Recommendation ITU-R S.1001 - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     Japan     2005-10-25
[ 178 ]  
 
Working document towards a PDNR - Characteristics of fixed satellite service systems using wideband spreading signals     Japan   270/4   2005-05-23
[ 177 ]  
 
Proposed preliminary draft new Recommendation ITU-R S.[HEO_SYS_CHAR] - Characterization of HEO type non-GSO fixed-satellite service systems     Japan   241/4   2005-05-25
[ 175 ]  
 
Examples of measurement data for small earth station antenna radiation patterns in the 29, 19.2, 14 and 12 GHz frequency bands     Japan   42-1/4   2005-05-23
[ 174 ]  
 
Proposed preliminary draft new Recommendation ITU-R S. [HEO_TT&C] - Analysis of interference from HEO system TT&C transmissions into GSO/FSS networks and guidelines to be used for designing and operating HEO system TT&C     Japan   241/4, 240/4   2005-05-23
[ 173 ]  
 
Consideration to Working document towards a PDNR on earth station antenna patterns based on measured antenna data     Japan   42-1/4   2005-05-23
[ 172 ]  
 
Working document towards a PDNR - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     Japan     2005-05-20
[ 92 ]  
 
Proposed revision of Recommendation ITU-R S.1432 - Apportionment of the allowable error performance degradations to fixed-satellite service (FSS) hypothetical reference digital paths (HRDP) arising from time invariant interference     Japan     2004-09-28
[ 88 ]  
 
Proposed amendments to the PDNR in Annex 7 to the WP 4A Chairman's report (Doc. 4A/78) - Methodology to calculate the minimum separation angle at the Earth's surface between the direction of a satellite in a HEO "active" arc and the direction of a satellite in the GSO, and thus to find the maximum delta T/T that the HEO satellite could cause     Japan   241/4   2004-09-22
[ 87 ]  
 
Additional study for the working document in Annex 21 of the WP 4A Chairman's report (4A/78) - Analysis of interference from HEO system TT&C transmissions into GSO/FSS networks     Japan   241/4, 240/4   2004-09-22
[ 86 ]  
 
Proposed preliminary draft new Recommendation - Definitions of highly-inclined elliptical orbits and satellite systems using these orbits to provide fixed-satellite service     Japan   241/4   2004-09-22
[ 85 ]  
(Rev.1) 
Proposed upgrade to DNR of the PDNR in Annex 14 to the 4A Chairman's report (4A/78) - Guidelines for protection of FSS satellite networks using the geostationary-satellite orbit (GSO) from interference caused by HEO satellite systems in highly inclined orbits in the frequency band 19.7-10.2 GHz in connection with the application of RR 22.5 CA (WRC-03)     Japan     2004-09-22
[ 84 ]  
 
Working document towards a PDNR - Fixed-satellite service using wideband spreading signals     Japan   270/4   2004-09-22
[ 83 ]  
 
Interference from ultra-wideband devices into networks of fixed-satellite services     Japan   227/1   2004-09-22
[ 54 ]  
 
Working document towards preliminary draft new Recommendation - Methodology to calculate minimum separation angles at the Earth's surface between the direction of a satellite in the HEO "active" arc and the direction of a satellite in the GSO and thus to find the maximum AT/T that the HEO satellite could cause     Japan   241/4   2004-04-07
[ 52 ]  
 
Draft revision to Question ITU-R 270/4 (fixed -satellite service systems using very wideband spreading signals)     Japan   270/4   2004-04-07
[ 49 ]  
 
Proposed revision to preliminary draft new Recommendation - Protection of satellite networks using the geostationary satellite orbits (GSO) from interference caused by HEO satellites systems in highly inclined orbits in the frequency band 19.7-20.2 GHz     Japan     2004-04-07
[ 48 ]  
 
Working document towards a preliminary draft new Recommendation on definition of HEO     Japan   241-1/4, 240-1/4   2004-04-07
[ 47 ]  
 
Analysis of interference from HEO system TT&C transmissions into GSO/FSS networks     Japan   241/4, 240/4   2004-04-07
[ 46 ]  
 
Interference from ultra-wideband devices into networks of fixed satellite services (FSS)     Japan   261/4   2004-04-07
[ 45 ]  
 
Preliminary analysis on interference from the ultra-wideband (UWB) devices into the fixed satellite service (FSS) networks operating in the 7-30 GHz frequency bands     Japan   261/4   2004-04-07
Resultats:30 documents
 
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