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UIT-R SG04

Services par satellite

Resultats:205 documents
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Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 130 ]  
 
Adoption of RNSS Recommendations     United States of America     2010-07-06
[ 129 ]  
 
Liaison statement to Study Groups 4, 5, 6 and 7 and interested Working Parties - Protection of Radiocommunication services using digital modulation against interference caused by radiation from industrial, scientific and medical (ISM) equipment     WP 1A     2010-06-29
[ 128 ]  
 
CEPT common views on the approval process of the five draft new Recommendations on characteristics and protection criteria for RNSS systems in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz     France     2010-06-08
[ 127 ]  
 
Suppression of Recommendation ITU-R BO.786 - MUSE system for HDTV broadcasting-satellite services     WP 4B     2010-05-06
[ 126 ]  
(Rev.1) 
Draft new Report ITU-R M.[DUALPOL]- Dual linear polarization transmission technique using digital cross-polarization cancellation for MSS systems     WP 4C   83-6/4   2010-05-07
[ 125 ]  
 
APT Common views on adoption of five draft new Recommendations concerning the Radionavigation-Satellite Service     Asia-Pacific Telecommunity (APT)     2010-04-28
[ 124 ]  
 
Draft new Report ITU-R S.[GUIDE-PLAN] - Guidelines that may be used by administrations in the design of their systems for assessing the impact of rain attenuation on the carrier to noise plus interference ratios of the FSS Plan allotments     WP 4A   236/4   2010-04-29
[ 123 ]  
 
Draft New Report ITU-R S.[MAIN-LOBE] - Methodology on the modelling of earth station antenna gain in the region of the antenna main-lobe and the transition region between the minimum angle of the reference antenna pattern and the main-lobe     WP 4A     2010-04-29
[ 122 ]  
 
Draft revision of Recommendation ITU-R S.1003-1 - Environmental protection of the geostationary-satellite orbit     WP 4A     2010-04-13
[ 121 ]  
 
Emergency and disaster relief telecommunications in Haiti     United States of America     2010-03-01
[ 120 ]  
 
ITU/IDA Workshop on the efficient use of the spectrum/orbit resource (Singapore, 16-17 June 2010)     Director, BR     2010-03-01
[ 119 ]  
 
Liaison statement to the relevant Working Parties of Study Groups 4, 5, 6 and 7 (copy to ITU-T Study Group 15 for information) - Further work on power line telecommunications     WP 1A   221-1/1   2010-02-18
[ 118 ]  
 
Invitation to contribute to CWG-WCIT12     Director, BR     2010-02-16
[ 117 ]  
 
Liaison statement to Study Group 4 - Proposed suppression and editorial updating of certain SF-series Recommendations     SG 5     2009-12-14
[ 116 ]  
 
Note from the Chairman of Working Party 5D to the Chairman of Study Group 4 (copy to the Chairman of Working Party 4A and the Chairman of Study Group 5) - Comments on draft new Recommendation ITU-R S.[IMT-PFD]     WP 5D     2009-11-09
[ 115 ]  
 
Summary record of Study Group 4 meeting on 21 and 22 September 2009     Chairman, SG 4     2009-09-22
[ 114 ]  
(Rev.1) 
Liste finale des participants - Genève, 21-22 septembre 2009     Director, BR     2009-09-22
[ 113 ]  
 
List of documents issued     BR Study Group Department     2009-09-18
[ 112 ]  
 
Executive Report of the third and fourth meetings of Working Party 4C (Geneva, 15 April - 24 April and 31 August - 9 September 2009)     Chairman, WP 4C     2009-09-18
[ 111 ]  
(Rev.1) 
Executive Report of the twenty sixth and twenty seventh meeting of Working Party 4B (Geneva, 22 - 29 April and 7 - 14 September 2009)     Chairman, WP 4B     2009-09-18
[ 110 ]  
 
Executive Report of the meetings of Working Party 4A since October 2008 (Geneva, 27 April - 5 May and 9 - 18 September 2009)     Chairman, WP 4A     2009-09-18
[ 109 ]  
(Rev.1) 
Draft revision of Recommendation ITU-R S.1001-1 - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     WP 4A     2009-09-18
[ 108 ]  
 
Draft new Report ITU-R S.[REP-1001] - Use and examples of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     WP 4A     2009-09-18
[ 107 ]  
(Rev.1) 
Draft new Recommendation ITU-R S.[VEHICLE_E/S] - Methodologies to estimate the off-axis e.i.r.p. levels and to assess the interference towards adjacent satellites resulting from pointing errors of vehicle-mounted earth stations in the 14 GHz frequency band     WP 4A   208/4   2009-09-18
[ 106 ]  
 
Draft new Report ITU-R S.[ADAP_ARRAY] - An interference reduction technique by adaptive-array earth station antennas for sharing between the fixed-satellite (FSS) and fixed/mobile services     WP 4A     2009-09-18
[ 105 ]  
(Rev.1-2) 
Draft new Recommendation ITU-R S.[IMT-PFD] - Methodologies for determining whether an IMT station at a given location operating in the band 3 400-3 600 MHz would transmit without exceeding the power flux-density limits in Nos. 5.430A, 5.432A, 5.432B and 5.433A of the Radio Regulations     WP 4A     2009-09-18
[ 104 ]  
(Rev.1) 
Draft revision of Recommendation ITU-R S.465-5 - Reference earth-station radiation pattern for use in coordination and interference assessment in the frequency range 2 to about 30 GHz     WP 4A     2009-09-18
[ 103 ]  
 
Suppression of Recommendation ITU-R S.727-2 - Cross-polarization isolation from very small aperture terminals (VSATs)     WP 4A     2009-09-18
[ 102 ]  
(Rev.1) 
Draft new Recommendation ITU-R S.[CSREF-PATT] - Alternative reference earth-station radiation pattern for antennas used with satellites in the geostationary-satellite orbit for use in coordination and/or interference assessment in the frequency range from 2 to 31 GHz     WP 4A     2009-09-18
[ 101 ]  
(Rev.1) 
Draft revision of Recommendation ITU R S.1521 - Allowable error performance for a hypothetical reference digital path based on synchronous digital hierarchy     WP 4B   75-3/4   2009-09-15
[ 100 ]  
 
Draft new Recommendation ITU-R M.[CHAR-RX3] - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) operating in the band 1 164-1 215 MHz     WP 4C   288/4, 217-2/4   2009-09-11
[ 99 ]  
 
Draft new Recommendation ITU-R M.[1479_NEW] - Characteristics, performance requirements and protection criteria for receiving stations of the radionavigation-satellite service (space-to-space) operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz     WP 4C   288/4, 217-2/4   2009-09-11
[ 98 ]  
 
Draft new Recommendation ITU-R M.[1477_NEW] - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) and receivers in the aeronautical radionavigation service operating in the band 1 559-1 610 MHz     WP 4C   288/4, 217-2/4   2009-09-11
[ 97 ]  
 
Draft new Recommendation ITU-R M.[1088_NEW] - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) operating in the band 1 215-1 300 MHz     WP 4C   288/4, 217-2/4   2009-09-11
[ 96 ]  
 
Draft new Recommendation ITU-R M.[RNSS_GUIDE] - Guidance on ITU-R Recommendations related to systems and networks in the radionavigation-satellite service operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz, 1 559-1 610 MHz, 5 000-5 010 MHz and 5 010-5 030 MHz     WP 4C   288/4, 217-2/4   2009-09-11
[ 95 ]  
 
Draft new Report ITU-R M.[REP-MOBDIS] - Use and examples of mobile-satellite service systems for relief operation in the event of natural disasters and similar emergencies     WP 4C   286/4, 227/4   2009-09-09
[ 94 ]  
(Rev.1) 
Draft new Recommendation ITU-R M.[MOBDIS] - Use of mobile-satellite service (MSS) in disaster response and relief     WP 4C   286/4, 227/4   2009-09-09
[ 93 ]  
 
Liaison statement to ITU-R Study Group 4, Working Parties 4C and 5D - Information on standards related to the satellite component of IMT (SRI-H)     ETSI     2009-08-10
[ 92 ]  
 
Result of the proposed suppression of Recommendation ITU-R SF.675     Chairmen, SGs 4 & 5     2009-07-27
[ 91 ]  
 
World Telecommunication Policy Forum 2009 (WTPF-09)     Director, BR     2009-07-01
[ 90 ]  
 
Summary notes on the BR workshop on the efficient use of the spectrum/orbit resource (Geneva, Switzerland, 6 May 2009)     Director, BR     2009-06-23
[ 89 ]  
 
Draft new Report ITU-R S.[TCPSAT] - Transmission control protocol (TCP) over satellite networks     WP 4B   263-1/4   2009-06-11
[ 88 ]  
 
Note to Study Group 4 - Editorial revision of Recommendations ITU-R M.1184-2, ITU-R M.1343-1 and ITU-R M.1480     WP 4C     2009-06-11
[ 87 ]  
 
Draft revision of Question ITU-R 83-5/4 - Efficient use of the radio spectrum and frequency sharing within the mobile-satellite service     WP 4C   83-5/4   2009-06-11
[ 86 ]  
 
Note to Study Group 4 - Revision of ITU-R Recommendations     WP 4C     2009-06-11
[ 85 ]  
 
Draft new Recommendation ITU-R M.[1457-SAT] - Detailed specifications of the radio interfaces for the satellite component of International Mobile Telecommunications-2000 (IMT-2000)     WP 4C     2009-06-09
[ 84 ]  
 
Draft revision of Recommendation ITU-R S.1711 - Performance enhancements of transmission control protocol over satellite networks     WP 4B   263-1/4   2009-06-09
[ 83 ]  
 
Draft revision of Recommendation ITU-R S.1673 - Methodologies for the calculation of the worst-case interference levels from a non-geostationary HEO-type fixed-satellite service system into geostationary fixed-satellite service satellite networks operating in the 10 to 30 GHz frequency bands     WP 4A     2009-06-09
[ 82 ]  
 
Liaison statement to Study Group 4 - Comments on the proposed treatment of Recommendations of former Working Party 6S     SG 6     2009-06-09
[ 81 ]  
 
Draft new Question ITU-R [HYBRID]/4 - System architecture and performance aspects on hybrid satellite and terrestrial systems     WP 4B     2009-05-25
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