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Propagation point-zone

Resultats:156 documents
Résultats :  Précédent -  1 - 2 - 3 - 4  - Suivant Next
Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 56 ]  
 
Proposed revision to Recommendation ITU-R P.534-4: Method for predicting annual statistics of interference by Sporadic-E     United Kingdom of Great Britain and Northern Ireland     2009-04-07
[ 55 ]  
 
Liaison statement to Radiocommunication Study Groups and Working Parties     Chairman, CCV     2009-03-20
[ 54 ]  
 
Note from the Chairman of Working Party 3K to the Chairman of Joint Task Group 5-6 - Propagation models needed for use in sharing studies at UHF frequencies     WP 3K     2009-01-06
[ 53 ]  
 
Liaison statement to Working Party 3K - Digital radio mondiale DRM multichannel simulcast, urban and indoor reception in the medium-wave band     WP 6A   60/6, 108/6, 64-1/6, 52-1/6   2008-11-20
[ 52 ]  
 
Note from Chairman Joint Task Group 5-6 to Chairman of Working Party 3K - Propagation models needed for use in sharing studies at UHF frequencies     JTG 5-6     2008-11-18
[ 51 ]  
 
Liaison statement to Working Party 3K - Propagation models needed for the development of frequency arrangements and for use in compatibility studies at UHF frequencies     WP 5D     2008-10-27
[ 50 ]  
 
Liaison statement to WP 3K - Propagation models needed for evaluating IMT-Advanced channels, development of frequency arrangements, and for use in compatibility studies at UHF frequencies     WP 5D     2008-08-07
[ 49 ]  
 
Liaison statement to relevant Working Parties of Study Groups 3, 4, 5, 6, 7 - Information on short-range devices required for WRC-11 Agenda item 1.22     WP 1A     2008-07-25
[ 48 ]  
 
Liaison statement to ITU-R Working Parties 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D (copy for information to ITU-R WPs 1A, 3J and 3K) - On the study of software-defined radio and cognitive radio systems     WP 1B     2008-07-23
[ 47 ]  
 
Reply to liaison statement from Working Party 3K - Extending of Recommendation ITU-R P.1546-3 application     WP 1C     2008-07-07
[ 46 ]  
+Ann.1-9 
Report of the meeting of Working Party 3K (Boulder, USA, 6-13 June 2008)     Chairman, WP 3K     2008-06-25
[ 45 ]  
 
Final List of Participants - Working Party 3K (6-13 June 2008)     Director, BR     2008-06-25
[ 44 ]  
 
Liaison reply to Working Party 4C (copied to Working Parties 3J, 3K, 3L, 3M, 7A, 7B, 7C, 7D, 4A, 4B, 6A, 6B, 6C, 1A, 1B, 1C, 5A, 5B, 5C and 5D for information) - Studies related to WRC-11 Agenda item 1.25     WP 6A     2008-06-11
[ 43 ]  
 
List of documents issued     BR Study Group Department     2008-05-29
[ 42 ]  
 
Implementation of the Recommendation ITU-R P.1812 for the field strength rpediction in 3,5 GHz band     Telekomunidacja Polska S.A. (TP) , Poland (Republic of)   203-3/3   2008-05-29
[ 41 ]  
 
Support document for Item 4 of working document towards revision of Recommendation ITU-R P.1238-5 - Statistical channel model for static indoor conditions     Japan     2008-05-29
[ 40 ]  
 
Proposed revision to Recommendation ITU-R P.1411-4 - Removing frequency discontinuity from the path loss prediction formula     Japan   211-2/3   2008-05-29
[ 39 ]  
 
Proposed revision of Recommendation ITU-R P.1411-4 - Effet of antenna directivity for multipath models     Japan   211-4/3   2008-05-29
[ 38 ]  
 
Proposed revision of Recommendation ITU-R P.1238-5 - Cross polarization discrimination ratio in indoor environment     Japan   211/3   2008-05-29
[ 37 ]  
 
Application of Benford's law to the ITU-R SG 3 - Measurement data     Telekomunikacja Polska S.A.   203-3/3   2008-05-28
[ 36 ]  
 
Inclusion of the meteorological data in the ITU-R SG 3 measurements databanks for terrestrial broadcasting     Telekomunikacja Polska S.A.   203-3/3   2008-05-28
[ 35 ]  
 
Building penetration loss: measurement and comments on definition and modelling     United Kingdom of Great Britain and Northern Ireland   211-4/3   2008-05-28
[ 34 ]  
 
A description of the Bullington diffraction method applied over a range of time percentages & the subsequent comparison between Recommendation ITU-R P.1812 and a modified vesion containing the new method     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 33 ]  
 
A hybrid diffraction method for ITU-R P.1812     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 32 ]  
 
Supporting material for a hybrid diffraction method     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 31 ]  
 
Discrepancy within the spherical earth diffraction method of Recommendation ITU-R P.526-10     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 30 ]  
 
Metrics for determining model goodness-of-fit     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 29 ]  
 
Discussion paper on the comparison of Recommendation ITU-R P.1812 simulations with Recommendation ITU-R P.1546 land and sea curves     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 28 ]  
 
Comments on a parametric model for the electrical constants of building materials proposed for Recommendation ITU-R P.1238     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 27 ]  
 
Review and analysis paper concerning the conversion of statistics from various integration times and Recommendation ITU-R P.837-5     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 26 ]  
 
Discussion paper concerning Recommendation ITU-R P.1812 - The ducting model at low frequencies     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 25 ]  
 
Progress towards an improved building-entry loss model with special reference to Recommendation ITU-R P.1812     United Kingdom of Great Britain and Northern Ireland     2008-05-28
[ 24 ]  
 
Mean and standard deviation of R.M.S delay spread     Korea (Republic of)     2008-05-28
[ 23 ]  
 
Proposed modifications to Recommendation ITU-R P.1407-3 - Addition of definitions for delay and angular profile     Korea (Republic of)   203/3   2008-05-28
[ 22 ]  
 
Generalized method for separating the long and short term components variation components of a received signal application to ground-wave propagation in the MF band     Spain   225/3, 202/3   2008-05-27
[ 21 ]  
 
Local fading characterization in ground-wave propagation in the MF band     Spain   202-3/3, 225-5/3   2008-05-27
[ 20 ]  
 
Ground-wave propagation - Method for predicting the transmission loss mean value due to terrain irregularities on the propagation path     Spain   225-5/3, 202-3/3   2008-05-27
[ 19 ]  
 
Report on ITU-R Workinng Party 3K (3K-1 correspondance group) workshop - On Rec. ITU-R P.1812 - Path specific propagation methods for terrestrial services in the frequency range 30 to 3 000 MHz     Rapporteur, 3K/1 Correspondance Group   203/3, 204/3   2008-05-28
[ 18 ]  
 
Some considerations for comparing propagation model predictions to propagation measurement data     United States of America     2008-05-16
[ 17 ]  
 
Discussion paper concerning Recommendation ITU-R P.1812 - The Bullington diffraction model and its correction     United Kingdom of Great Britain and Northern Ireland     2008-05-13
[ 16 ]  
 
Proposed modification to Recommendation ITU-R P.1812 and ITU-R P.452-13 diffraction prediction     China (People's Republic of)     2008-05-12
[ 15 ]  
 
Liaison statement to Study Groups 1, 3, 5, 6 and 7 - Inter-working of Study Group 4 with other ITU-R Study Groups for issues involving Working Parties of more than one Study Group     SG 4     2008-04-30
[ 14 ]  
 
Proposed revision to Recommendation ITU-R P.1238-5 - Modelling of indoor channel impluse response     United Kingdom of Great Britain and Northern Ireland   211/4   2008-04-28
[ 13 ]  
 
Testing of Recommendation ITU-R P.1812 diffraction models with respect to mobile measurement data     United Kingdom of Great Britain and Northern Ireland     2008-04-28
[ 12 ]  
 
Further testing of Recommendation ITU-R P.1812 with respect to long-term measuremnt data     United Kingdom of Great Britain and Northern Ireland     2008-04-28
[ 11 ]  
 
Measurement data for improving ITU-R Recommendation P.1812     United Kingdom of Great Britain and Northern Ireland     2008-04-28
[ 10 ]  
 
Diffraction model comparisons using the cleaned 3K1 Correspondence Group database     United Kingdom of Great Britain and Northern Ireland     2008-04-28
[ 9 ]  
 
Liaison statement to Working Parties 7A, 7B, 7C, 7D, 4A, 4B, 6D, 6X, 6G, 1A, 1B, 1C, 5A, 5B, 5C and 5D (copy for information to Working Parties 3J, 3K, 3L and 3M) - Information for studies related to WRC-11 Agenda item 1.25     WP 4C     2008-04-22
[ 8 ]  
 
ITU-R Study Group 5 (formerly Study Group 8) Question to be brought to the attention of Study Group 3     BR, Study Group Department   77-6/8   2008-04-15
[ 7 ]  
(Rev.1) 
Structure of Study Group 3 and its Working Parties     Chairman, SG 3     2008-03-31
Resultats:156 documents
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