Unión Internacional de Telecomunicaciones   UIT
English  Français
 
Mapa Contáctenos Copia Imprimible
  Página principal : UIT-R : WP3K.AR : Contribuciones  Nuevo -  Busque los documentos de la reunión
   
UIT-R WP3K.AR  C 

UIT-R WP3K.AR

Propagación de Punto a Zona

Resultados :28 documentos
Contribuciones  [ Origen: Japan ]   Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 209 ]  
 
Proposed modification to Question ITU-R 211-6/3, Recommendations ITU-R P.1238-9 and P.1411-9 - Extension of target frequency range     Japan   Q211/3   2019-05-07
[ 208 ]  
 
Discussion document - Development for a new propagation model for whole three dimensional space planning     Japan     2019-05-07
[ 207 ]  
 
Discussion Document to ITU-R P.2108 - Prediction of clutter loss     Japan     2019-05-06
[ 206 ]  
 
Support document for proposed revision to Recommendation ITU-R P.1816-3 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands     Japan     2019-05-06
[ 205 ]  
 
Proposed revision to Recommendation ITU-R P.1409-1 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 1 GHz     Japan     2019-05-06
[ 204 ]  
 
Information document - Modelling methodology for multiple human blockages at lower frequency     Japan     2019-05-06
[ 155 ]  
 
Proposed revision to Recommendation ITU-R P.1816-3 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands     Japan     2018-06-12
[ 154 ]  
 
Information document - Measurement and analysis of clutter loss by using drone     Japan   Q211/3   2018-06-12
[ 153 ]  
 
Information document - Modelling methodology for human blockages     Japan     2018-06-12
[ 105 ]  
 
Information document to Recommendation ITU-R P.1816-3 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands     Japan     2017-08-10
[ 104 ]  
 
Building entry loss measurement for WRC-19 agenda item 1.15 - Building entry loss measurement for wooden house and light gauge steel building at 300 GHz     Japan   AI1.15   2017-08-10
[ 103 ]  
 
Supplemental document for elements towards a revision to Recommendation ITU-R P.1411 - Supplemental document for initial proposal of 90 GHz band propagation model and delay spread distribution for railway communication system between train and trackside     Japan     2017-08-10
[ 102 ]  
 
Proposed revision of Recommendation ITU-R P.1411 - Frequency extension up to 26 GHz of site-specific path loss model for propagation over roof-tops in urban areas     Japan   Q211/3   2017-08-10
[ 101 ]  
 
Importance of a propagation model for human blockages     Japan   Q211/3   2017-08-10
[ 62 ]  
 
Clutter loss for slant paths by site-shielding in urban environments     Japan     2017-03-14
[ 61 ]  
 
Additional elements towards a revision to Recommendation ITU-R P.1238-8 - Additional proposal of 300 GHz band propagation model for indoor fixed service applications under WRC-19 agenda item 1.15     Japan     2017-03-14
[ 60 ]  
 
New elements towards a revision to Recommendation ITU-R P.1411-8 - Preliminary proposal of 90 GHz band propagation model and delay spread model for rail way communication system between train and trackside under WRC-19 agenda item 1.11     Japan     2017-03-14
[ 59 ]  
 
Support document for proposed revision to Recommendation ITU-R P.1238-8 - Addition of footnotes     Japan     2017-03-14
[ 58 ]  
 
Information document for future revision of Recommendation ITU-R P.1238-8 - Propagation model for predicting floor penetration loss     Japan     2017-03-14
[ 57 ]  
 
Support document for the working document towards a reivsion of Recommendation ITU-R P.1411 - Verification of a site specific path loss model in urban street canyon environments     Japan   Q211/3   2017-03-14
[ 42 ]  
 
Information document for Recommendation ITU-R P.1238-8 - Frequency dependency of floor penetration loss     Japan   211/3   2016-06-13
[ 41 ]  
 
Proposed revision to Recommendation ITU-R P.1238-8 - Addition of measurement data for power loss coefficients and shadow fading statistics     Japan     2016-06-13
[ 40 ]  
 
Proposed revision to Recommendation ITU-R P.1411-8 - Proposal of site-general path loss model for urban area     Japan   211/3   2016-06-13
[ 39 ]  
 
Proposed revision to Recommendation ITU-R P.[BEL] - Proposed building entry loss model up to 40 GHz in urban environment     Japan   211/3   2016-06-13
[ 38 ]  
 
Proposed revision to Recommendation ITU-R P.1411-8 - Extension of prediction method up to 40 GHz within NLOS urban street canyons     Japan     2016-06-13
[ 37 ]  
 
Information document to Recommendation ITU-R P.1816-3 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands     Japan     2016-06-13
[ 36 ]  
 
New elements towards a revision to Recommendation ITU-R P.1238-8 - Preliminary proposal of 300 GHz band propagation model for indoor mobile service applications under WRC-19 agenda item 1.15     Japan     2016-06-13
[ 35 ]  
 
Elements for development of propagation model of railway radiocommunication systems between train and trackside under agenda item 1.11 - WRC-19 agenda item 1.11     Japan     2016-06-13
Resultados :28 documentos
 
Telecarga de múltiples documentos: Marcar las casillas correspondientes a los documentos seleccionados, a continuación pulsar "Telecargar"
   
 
Preferencias del usuario: 
Telecarga de múltiples documentos: Formatos e idiomas que hay que tener en cuenta (si están disponibles):
Páginas de navegación HTML  
Formatos  + Otros formatos
Idiomas (máximo 2)  + Multilingüe  
(E: inglés - F: francés - S: español - A: árabe - C: chino - R: ruso)

Comienzo de la página -  Comentarios -  Contáctenos -  Copyright © UIT 2008 Reservados todos los derechos
Contacto público :  Coordenador de Web UIT-R
Actualizado el : 2026-5-12