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Resultados :156 documentos
Resultados :� Anterior�-� 1 - 2 - 3 - 4 �-�Siguiente Next
Contribuciones��Documents / Contributions

N�mero
T�tulo Origen AI/Cuesti�n
Fecha
[ 106 ]
Proposed preliminary draft new Recommendation - Propagation data and prediction methods for the design of MIMO system operating in the UHF and SHF frequency range � Korea (Republic of) 211-5/3 2010-11-03
[ 105 ]
Proposed revision to Recommendation ITU-R P.1411-5 - r.m.s delay spread in urban and suburban environments at 3.7 GHz band � Korea (Republic of) 211/3 2010-11-03
[ 104 ]
Liaison statement to Working Party 3K - Derivation of time availability factors for time availabilities of more than 50% � WP 6A 2010-11-02
[ 103 ]
Support document for proposed revision of Recommendation ITU-R P.1816 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands � Japan 211-4/3 2010-11-02
[ 102 ]
Proposed revision to Recommendation ITU-R P.1816 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands � Japan 2010-11-02
[ 101 ]
Proposed revision of Recommendation ITU-R P.1411-5 - Effect of antenna directivity on delay spread estimation in street canyon environments � Japan 211-5/3 2010-11-02
[ 100 ]
Support document for the working document towards a revision of Recommendation ITU-R P.1410-4 - Verification of prediction model for height gain at subscriber station in wireless access systems for microwave band � Japan 203-4/3 2010-11-02
[ 99 ]
Liaison statement to Working Parties 3J, 3M and 3K (copied to Working Party 5B for information) - Propagation methods to be used for coexistence studies between mobile services and other services in the UHF band � WP 5D 2010-11-01
[ 98 ]
Method for point-to-area propagation predictions for compatibility calculations between aeronautical radionavigation service and other terrestrial services � Czech Republic , Estonia (Republic of) , Latvia (Republic of) , Poland (Republic of) , Germany (Federal Republic of) , Lithuania (Republic of) , Finland 2010-10-29
[ 97 ]
Proposed supplement for Recommendation ITU-R P.1238 - Power loss coefficient and standard deviation for short-range indoor propagation environment at 5.8 GHz � China (People's Republic of) 2010-10-29
[ 96 ]
Proposed supplement for Recommendation ITU-R P.1411-5 - Path loss models for urban very high-rise and suburban low-rise environment at 3 500 MHz � China (People's Republic of) 2010-10-29
[ 95 ]
Multipath models for LOS and NLOS scenarios in urban very high-rise environment at 2.5 GHz � China (People's Republic of) 2010-10-29
[ 94 ]
A proposal to modify Recommendation ITU-R P.1812 - Diffraction prediction � China (People's Republic of) 2010-10-29
[ 93 ]
Height gain calculations within Recommendation ITU-R P.1812 � Switzerland (Confederation of) 2010-10-28
[ 92 ]
Draft revision of Recommendation ITU-R P.1812-1 - Clutter height � LS telcom AG 2010-10-06
[ 91 ]
Liaison statement to Working Parties 1B, 3K, 4A, 5A, 5D, 6A and 7C � WP 1A 2010-02-12
[ 90 ]
Liaison statement to Working Parties 1B, 3K, 4A, 5A, 5D, 6A and 7C - WRC-12 Agenda item 1.22 � WP 1A 2009-10-09
[ 89 ]
+Ann.1-12
Report on the meeting of Working Party 3K (Geneva, 1-10 June 2009) � Chairman, WP 3K 2009-06-12
[ 88 ]
Final list of Participants (Geneva, 1-10 June 2009) � Director, BR 2009-06-10
[ 87 ]
List of documents issued � BR Study Group Department 2009-05-29
[ 86 ]
Static R.M.S delay spread in NLOS � Korea (Republic of) 2009-05-25
[ 85 ]
Amendment of the modified representative clutter height and effective clutter height � Korea (Republic of) 203/3 2009-05-25
[ 84 ]
MIMO channel modelling using a path morphology concept for the classification of wave-propagation environments � Korea (Republic of) 203/3, 211/3 2009-05-25
[ 83 ]
Proposed modifications to Recommendation ITU-R P.1812 � Switzerland (Confederation of) 2009-05-25
[ 82 ]
Support document for Item 4 of working document towards revision of Recommendation ITU-R P.1238-5 � Japan 211-4/3 2009-05-25
[ 81 ]
Support document for the working document towards a revision of Recommendation ITU-R P.1411 - Verification of removing frequency discontinuity from the path loss prediction formula � Japan 211-4/3 2009-05-25
[ 80 ]
Support document for working document towards revision of Recommendation ITU-R P.1238-5 - Cross polarization discrimination ratio (XPR) characteristics in indoor environment � Japan 211-4/3 2009-05-25
[ 79 ]
Proposed revision to Recommendation ITU-R P.1411-4 - SHF propagation within street canyons � Japan 2009-05-24
[ 78 ]
Proposed revision to Recommendation ITU-R P.1411-4 - LoS situations within street canyons � Japan 2009-05-24
[ 77 ]
Proposed revision to Recommendation ITU-R P.1816 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands � Japan 2009-05-24
[ 76 ]
Liaison statement from Joint Task Group 5-6 to Working Party 3K - Propagation model for use in sharing studies between the broadcasting service and the mobile service � JTG 5-6 2009-05-25
[ 75 ]
Liaison statement from Joint Task Group 5-6 to Working Parties 3J, 3K and 3M - Sharing studies between aeronautical radionavigation service (ARNS) and mobile service stations in the 790-862 MHz frequency band on WRC-11 Agenda item 1.17 - Radio waves propagation model � JTG 5-6 2009-05-25
[ 74 ]
Proposed changes to DBSG3 and consequent revision of Recommendation ITU-R P.311-12 � United Kingdom of Great Britain and Northern Ireland 2009-05-22
[ 73 ]
Proposed modification to Recommendations ITU-R P.1812 and ITU-R P.452-13 - Hybrid diffraction prediction method � China (People's Republic of) 2009-05-24
[ 72 ]
Working paper towards a preliminary draft new Report - Effect of movement of persons and objects in the indoor environment on the design of short-range wireless communication systems and Wireless Local Area Networks (WLAN) � India (Republic of) 211-4/3 2009-05-22
[ 71 ]
ITU-R Study Group 3 terrestrial point-to-area databank - Comparison between terrain data profiles and SRTM data � Telekomunikacja Polska S.A. 203-3/3 2009-05-22
[ 70 ]
Sharing studies between mobile service and aeronautical radionavigation service stations in the frequency band 790-862 MHz according to Agenda item 1.17 WRC-11 - Radio waves propagation model � Russian Federation 2009-05-22
[ 69 ]
Recommendation ITU-R P.1812 field strength predictions as compared with experimental data � Russian Federation 203/3 2009-05-21
[ 68 ]
Information document on the prediction of time diversity in terrestrial LOS links operating above 10 GHz � Greece 206/3 2009-05-21
[ 67 ]
Proposal for a new DBSG3 table: Line-of-sight joint and differential rain attenuation statistics � Brazil (Federative Republic of) , Greece 204-3/3 2009-05-21
[ 66 ]
Liaison statement to Working Party 3K - Draft new Report ITU-R BT.[WINDRPT] - The effect of the scattering of digital television signals from a wind turbine � WP 6A 2009-05-13
[ 65 ]
Liaison statement to Working Parties 3J and 3K - Propagation characteristics in medium wave band � WP 6A 2009-05-13
[ 64 ]
Working document on Recommendation ITU-R P.1546 - Terrain clearance angle correction � LS Telcom AG 2009-05-08
[ 63 ]
Proposed revision to Recommendation ITU-R P.534-4: method for calculating Sporadic-E field strength - Addition of method for basic transmission loss not exceeded for given percentage of an average year � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 62 ]
Comments relating to the use of the extended Hata model SEAMCAT for sharing studies � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 61 ]
Proposed revision to Recommendation ITU-R P.1812 - Addition of correction to ducting model at VHF � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 60 ]
Proposed revisions to Recommendation ITU-R P.526-10 spherical-earth diffraction method - Lowest antenna height, height-gain function and variation of effective earth radius � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 59 ]
A new approach to diffraction modelling for a general path the "Delta" method � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 58 ]
Comments on the spherical earth diffraction metohod of Recommendation ITU-R P.526-10 � United Kingdom of Great Britain and Northern Ireland 2009-04-07
[ 57 ]
Information document on the modelling of meteorological parameters using radiosonde data � United Kingdom of Great Britain and Northern Ireland 2009-04-07
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