Uni�n Internacional de Telecomunicaciones UIT
EnglishFran�ais
Mapa Cont�ctenos Copia Imprimible
P�gina principal : UIT-R : WP4B : Contribuciones� Nuevo�-� Busque los documentos de la reuni�n
UIT-R�WP4B� C�

UIT-R�WP4B

Sistemas, interfaces radioel�ctricas, objetivos de calidad de funcionamiento y de disponibilidad para el SFS, SRS y SMS, con inclusi�n de aplicaciones basadas en el IP y el periodismo electr�nico por sat�lite

Resultados :20 documentos
Contribuciones �[�Origen:�Japan�]���Documents / Contributions

N�mero
T�tulo Origen AI/Cuesti�n
Fecha
[ 179 ]
Proposed working document towards a preliminary draft new Report ITU-R BO.[UHDTV-SAT EXP] - Satellite transmission experiments for UHDTV satellite broadcasting � Japan 2015-06-03
[ 178 ]
A preliminary draft new Recommendation ITU-R BO.[UHDTV_TRANSMISSION] - Transmission system for UHDTV satellite broadcasting � Japan 2015-06-03
[ 177 ]
Draft new Question ITU-R BO.[UHDTV_SAT]/4 - Studies on UHDTV satellite broadcasting system � Japan 2015-06-03
[ 154 ]
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 � Japan 46-3/4 2014-06-17
[ 153 ]
Proposed working document towards a preliminary draft new Recommendation ITU-R BO.[UHDTV_TRANSMISSION] - Transmission system for UHDTV satellite broadcasting � Japan 2014-06-17
[ 152 ]
Proposed modifications to a preliminary draft revision of Report ITU-R S.2173 contained in Annex 3 to Working Party 4B Chairman's Report � Japan 46-3/4 2014-06-17
[ 151 ]
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 � Japan 271/4 2014-06-17
[ 131 ]
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 � Japan 46-3/4 2014-01-28
[ 130 ]
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 � Japan 46-3/4 2014-01-28
[ 129 ]
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 � Japan 271/4 2014-01-28
[ 110 ]
Working Document towards a preliminary draft new Report "Multi-dimensional signal mapping technique for satellite communications" � Japan 46-3/4 2013-09-18
[ 109 ]
Working Document towards a draft revision of Report ITU-R S.2173 - Multi-carrier based transmission techniques for satellite systems � Japan 46-3/4 2013-09-18
[ 108 ]
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 � Japan 271/4 2013-09-18
[ 107 ]
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 � Japan 2013-09-18
[ 83 ]
Proposed addition to the 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 � Japan 2013-04-18
[ 82 ]
Draft new Report ITU-R S.[VSAT] - Use of very small aperture terminals (VSATs) � Japan 2013-04-18
[ 44 ]
Preliminary draft new Report ITU-R S.[VSAT] - Use of very small aperture terminals (VSATs) operating in fixed satellite service networks � Japan 2012-09-05
[ 43 ]
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 � Japan 2012-09-05
[ 18 ]
Database containing points of contact for SNG matters � Japan 2012-05-15
[ 14 ]
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) � Japan 2012-05-15
Resultados :20 documentos
Telecarga de m�ltiples documentos:�Marcar las casillas correspondientes a los documentos seleccionados, a continuaci�n pulsar "Telecargar"

Preferencias del usuario:
Telecarga de m�ltiples documentos:�Formatos e idiomas que hay que tener en cuenta (si est�n disponibles):
P�ginas de navegaci�n HTML
Formatos �+�Otros formatos
Idiomas (m�ximo 2) �+�Multiling�e �
(E: ingl�s - F: franc�s - S: espa�ol - A: �rabe - C: chino - R: ruso)

Comienzo de la p�gina�-� Comentarios�-� Cont�ctenos�-� Copyright � UIT�2008�Reservados todos los derechos
Contacto p�blico :� Coordenador de Web UIT-R
Actualizado el :�2025-1-9