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Fundamentos de la Propagación

Resultados :126 documentos
Resultados :  1 - 2 - 3  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 126 ]  
 
Correspondence Group 3J-17 activity Report     Co-Chairs, CG 3J-17     2025-05-05
[ 125 ]  
 
Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues relating to the HAPS propagation model     Chair, CG 3J-3K-3M-14     2025-05-05
[ 124 ]  
 
Activity Report of Correspondence Group 3J-3K-3L-3M-27 - Application of machine learning for propagation studies     Chair, CG 3J-3K-3L-3M-27     2025-05-04
[ 123 ]  
 
Simulations and model proposal of LoS probabilities     Telefon AB - LM Ericsson     2025-04-24
[ 122 ]  
 
Issues with creating clutter loss models based on ray tracing - A comparison of measurements and ray tracing     Telefon AB - LM Ericsson     2025-04-24
[ 121 ]  
 
Liaison statement on satellite to satellite free space optical communication     ITU-T SG15     2025-04-15
[ 120 ]  
(Rev.1) 
Liaison statement on free-space optics systems related aspects for G.fso     ITU-T SG15     2025-04-11
[ 119 ]  
 
Liaison statement to Working Party 3J (copy to Working Parties 3M and 5B for information) - Application of Recommendation ITU-R P.2146 in studies under WRC-27 agenda item 1.19     WP 7C   AI1.19   2025-04-08
[ 118 ]  
 
Liaison statement to Working Party 3M (copy to Working Party 3J for information) Clutter loss models applicable to studies under WRC-27 agenda item 1.19     WP 7C   AI1.19   2025-04-08
[ 117 ]  
 
Liaison statement to ITU-R Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Report on progress of activities relating to WRC-27 agenda item 1.15     WP 7B   AI1.15   2025-04-01
[ 116 ]  
+Ann.1-23 
Report of the meeting of Working Party 3J (Geneva, 17-21 February 2025)     Chair, WP 3J     2025-02-17
[ 115 ]  
 
Final list of participants WP 3J (Geneva, 17-21 February 2025)     Director, BR     2025-02-17
[ 114 ]  
 
List of documents issued - (Documents 3J/67 - 3J/114)     BR, Study Groups Department     2025-02-17
[ 113 ]  
 
Liaison statement on the definitions of the terms from ITU-T Study Group 5     SCV     2025-02-14
[ 112 ]  
 
Liaison statement to ITU-R Study Group 3 (copy to ITU-T Study Group 5) - Definitions: List of published English terms for validation sent to the CCT for comment - "antenna-related terms"     CCT     2025-02-13
[ 111 ]  
 
Proposed revision to Recommendation ITU-R P.837-7 - Characteristics of precipitation for propagation modelling     France     2025-02-05
[ 110 ]  
 
On the use of Recommendation ITU-R P.837-7 to predict monthly rainfall rate and rain attenuation statistics     France     2025-02-05
[ 109 ]  
 
Contribution to DBSG3 Table II-1: Concurrent attenuation and rainfall rate statistics in Toulouse     France     2025-02-05
[ 108 ]  
 
Contribution to Recommendation ITU-R P.2108 and Report ITU-R P.2402 - Measurement input to Earth-to-space interference modelling     Telefon AB - LM Ericsson     2025-02-05
[ 107 ]  
 
Simulations and model proposal of LoS probabilities     Telefon AB - LM Ericsson     2025-02-05
[ 106 ]  
 
Revision of Question ITU-R 236/3 - Use of machine learning methods for radio-wave propagation studies     Korea (Rep. of)   Q236/3   2025-02-05
[ 105 ]  
 
Revision of preliminary draft new Question ITU-R [LUNAR_PROPAGATION]/3 - Propagation characteristics and prediction methods required for lunar radiocommunications on the lunar environment     Korea (Rep. of)   AI1.15   2025-02-05
[ 104 ]  
 
Preliminary draft editorial amendment to Recommendation ITU-R P.1511-3 - Topography for Earth-space propagation modelling     United States     2025-02-04
[ 103 ]  
 
Update to the Working Party 3J Chair's Report Document 3J/67 Annex 15 - Recommendation ITU-R P.834-6     United States     2025-02-04
[ 102 ]  
 
Preliminary draft new Question ITU-R [LUNAR_PROPAGATION]/3 - Propagation characteristics and prediction methods required for lunar radiocommunications on the lunar environment     United States     2025-02-04
[ 101 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R P.[LUNAR] - Methods and models for predicting lunar radio-wave propagation characteristics     United States     2025-02-04
[ 100 ]  
 
Working document towards a preliminary draft new revision to Recommendation ITU-R P.311 - Update to Recommendation ITU-R P.311 and associated formatted tables for Lunar propagation measurement data     United States     2025-02-04
[ 99 ]  
 
Discussion document for human shielding loss model of Recommendation ITU-R P.1409-3 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 0.7 GHz     Japan     2025-02-04
[ 98 ]  
 
Proposed revision to Recommendation ITU-R P.1409-3 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 0.7 GHz     Japan     2025-02-04
[ 97 ]  
 
Modifications to the preliminary draft revision of Recommendation ITU-R P.526-15 - Propagation by diffraction     Russian Federation     2025-02-03
[ 96 ]  
 
Activity Report of Correspondence Group 3J-3K-3L-3M-27 - Application of machine learning for propagation studies     Chair, CG 3J-3K-3L-3M-27     2025-01-29
[ 95 ]  
 
Correspondence Group 3J-23 activity Report - General slant path terrain diffraction model     Chair, CG 3J-23     2025-01-28
[ 94 ]  
 
Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues relating to the HAPS propagation model     Chair, CG 3J-3K-3M-14     2025-01-27
[ 93 ]  
 
Evaluate the impact of antenna radiation pattern and slant path clutter loss model update proposals based on latest working document 3K/77     China     2025-01-24
[ 92 ]  
 
Performance comparison analysis of two slant path clutter loss models in working document 3K/77     China     2025-01-24
[ 91 ]  
 
Ray-tracing-based modified Recommendation ITU-R P.2108 clutter loss model for urban scenarios below 10 GHz     China     2025-01-24
[ 90 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R P.2040-3 - Dielectric properties of building between 100 and 400 GHz     China     2025-01-23
[ 89 ]  
 
Information document about hybrid path loss of clutter loss and building entry loss     China     2025-01-23
[ 88 ]  
 
Proposed draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     China     2025-01-23
[ 87 ]  
 
Proposed modification to Recommendation ITU-R P.835-7 - Reference atmospheres     China     2025-01-23
[ 86 ]  
 
Proposed supplement of Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China     2025-01-23
[ 85 ]  
 
Proposed modifications to Recommendation ITU-R P.310-10 - Definition of evaporation duct     China     2025-01-23
[ 84 ]  
 
Discussion about Figure 13 in Recommendation ITU-R P.527-6     China     2025-01-23
[ 83 ]  
 
Proposed modification to Recommendation ITU-R P.525-5 - Calculation of free-space attenuation     China     2025-01-23
[ 82 ]  
 
Preliminary draft new Question ITU-R [LUNAR_PROPAGATION]/3 - Propagation characteristics and prediction methods required for lunar radiocommunications on the lunar environment     CG 3J-26     2025-01-24
[ 81 ]  
 
Report of the activities of the Correspondence Group on Modelling lunar radio-wave propagation - June 2024 to February 2025 - Modelling lunar radio-wave propagation     Chair, CG 3J-26     2025-01-24
[ 80 ]  
 
Liaison statement to key SDOs on the publication of GR THz 003 and GR THz 004     ETSI ISG THz     2025-01-23
[ 79 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D) - WRC-27 agenda item 1.10     WP 6A   AI1.10   2024-11-19
[ 78 ]  
 
Reply liaison statement to Working Parties 3J, 3K and 3M (copy to Working Parties 5A, 5B, 5C, 5D, 7C and 7D for information) - Information to support studies under WRC-27 agenda item 1.1     WP 4A   AI1.1   2024-11-07
[ 77 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7D for information) - Additional information on passive sensors in the EESS for WRC-27 agenda item 1.8     WP 7C   AI1.8   2024-10-01
Resultados :126 documentos
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