Contributions
[ Source: Japan ]  |
|
Number
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Title
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Source
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AI/Question
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Date
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[ 410 ]
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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 ]
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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 |
Results:30 total items.
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