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ITU-R R23-WP3J

Propagation Fundamentals

Results:159 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 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
[ 76 ]  
 
Reply liaison statement to ITU-R Working Party 3J (copied for information to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D) - Response to Working Party 3J questions related to WRC-27 agenda item 1.15     WP 7B   AI1.15   2024-09-30
[ 75 ]  
 
Liaison statement to 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   2024-09-30
[ 74 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7C for information) - Relevant technical information to support studies in preparation of WRC-27 agenda item 1.8     WP 7D   AI1.8   2024-09-27
[ 73 ]  
 
Reply liaison statement to Working Parties 3J, 3K and 3M - Relevant technical information to support studies in preparation of WRC-27 agenda items     WP 7D   AI1.8, AI1.7, AI1.3, AI1.18, AI1.17, AI1.16, AI1.15, AI1.11, AI1.10, AI1.1   2024-09-27
[ 72 ]  
 
Determination and mitigation of electromagnetic compatibility issues for IMT (5G) network under tropospheric duct effect     ATDI     2024-09-21
[ 71 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7C and 7D for information) - Information on the standard frequency and time signal service with regards to WRC-27 agenda item 1.15 on lunar communications     WP 7A   AI1.15   2024-09-23
[ 70 ]  
 
Information on the preparation of texts for the draft CPM Report to WRC-27     Chair, CPM-27     2024-07-09
[ 69 ]  
 
Reply liaison statement to ITU-T Study Group 5 (copy to ITU-R Working Parties 1C, 3J, 3K and 3M) - Considerations on draft Recommendation ITU-T K.DMEI of ITU-T Study Group 5     WP 5D     2024-07-05
[ 68 ]  
 
Liaison statement on draft Recommendation ITU-T K.DMEI -Determination and mitigation of electromagnetic compatibility issues for 5G TDD network under tropospheric duct effect     ITU-T SG5     2024-06-18
[ 67 ]  
+Ann.1-40 
Report on the meeting of Working Party 3J (Denver, Colorado, USA, 29 May - 7 June 2024)     Chair, WP 3J     2024-06-08
[ 66 ]  
 
Final list of participants WP 3J (Denver, Colorado, USA, 29 May - 7 June 2024)     Director, BR     2024-06-08
[ 65 ]  
 
List of documents issued (Documents 3J/1 - 3J/65)     BR, Study Groups Department     2024-06-01
[ 64 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 1B, 3J, 4A, 4C, 5A, 5B, 5D, 7A, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.15     WP 5C   AI1.15   2024-05-29
[ 63 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 3J, 3M, 4A, 4C, 5A and 5B for information) - Relevant technical information to support studies under WRC-27 agenda item 1.18 and update on supporting materials     WP 5C   AI1.18   2024-05-29
[ 62 ]  
 
Liaison statement to Working parties 4A, 4C, 5A, 5B, 3J and 3M (copy to Working Parties 1A, 4B, 6A, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10     WP 5C   AI1.10   2024-05-29
[ 61 ]  
 
Contribution to DBSG3 Table IV-1: Rain rate statistics in Cochabamba     Spain , France     2024-05-17
[ 60 ]  
 
Comparison between ERA5 cloud parameters and simultaneous experimental rainfall rate in Madrid     Spain     2024-05-17
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