5G信道模式.pdf

【实例截图】

【核心代码】

Contents
Executive Summary.............................................................................................................................................. 2
1 Introduction.................................................................................................................................................. 6
2 Requirements for new channel model ........................................................................................................7
3 Typical Deployment Scenarios.................................................................................................................... 8
3.1 Urban Micro (UMi) Street Canyon and Open Square with outdoor to outdoor (O2O) and outdoor to
indoor (O2I) ....................................................................................................................................................... 9
3.2 Indoor (InH)– Open and closed Office, Shopping Malls.......................................................................9
3.3 Urban Macro (UMa) with O2O and O2I.............................................................................................. 10
4 Characteristics of the Channel in 6 GHz-100 GHz.................................................................................. 10
4.1 UMi Channel Characteristics............................................................................................................... 11
4.2 UMa Channel Characteristics .............................................................................................................. 11
4.3 InH Channel Characteristics ................................................................................................................ 11
4.4 Penetration Loss in all Environments .................................................................................................. 12
4.4.1 Outdoor to indoor channel characteristics ....................................................................................... 12
4.4.2 Inside buildings................................................................................................................................ 15
4.5 Blockage in all Environments.............................................................................................................. 15
5 Channel Modelling Considerations........................................................................................................... 19
5.1 Support for a large frequency range..................................................................................................... 23
5.2 Support for high bandwidths................................................................................................................ 23
5.3 Modelling of spatial consistency.......................................................................................................... 23
5.3.1 Method using Spatially consistent random variables....................................................................... 24
5.3.2 Geometric Stochastic Approach ...................................................................................................... 27
5.3.3 Method using geometric locations of clusters (Grid-based GSCM, GGSCM)................................ 29
5.4 Support for large arrays ....................................................................................................................... 34
5.5 Dual mobility support .......................................................................................................................... 35
5.6 Dynamic blockage modelling .............................................................................................................. 35
5.7 Foliage loss.......................................................................................................................................... 38
5.8 Atmospheric losses .............................................................................................................................. 39
6 Pathloss, Shadow Fading, LOS and Blockage Modelling ....................................................................... 41
6.1 LOS probability ................................................................................................................................... 41
6.2 Path loss models................................................................................................................................... 44
6.3 Building penetration loss modelling .................................................................................................... 48
6.4 Blockage models.................................................................................................................................. 50
7 Fast Fading Modelling ............................................................................................................................... 50
7.1 UMi...................................................................................................................................................... 50
7.2 UMa ..................................................................................................................................................... 54
7.3 InH ....................................................................................................................................................... 55
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7.4 O2I channel modelling......................................................................................................................... 57
8 Step-by-step procedure for generating channels..................................................................................... 58
9 List of contributors..................................................................................................................................... 58
10 Acknowledgements................................................................................................................................. 59
11 Appendix................................................................................................................................................. 59
11.1 Overview of measurement campaigns ................................................................................................. 59
11.2 Overview of ray-tracing campaigns..................................................................................................... 66
11.3 Fast Fading Model parameters from measurements and ray-tracing ................................................... 71
11.3.1 UMi ............................................................................................................................................. 71
11.3.2 UMa............................................................................................................................................. 76
11.3.3 InH............................................................................................................................................... 84
11.3.4 O2I............................................................................................................................................... 90
11.4 Processing Methodologies ................................................................................................................... 94
11.4.1 Physical effects on propagation ................................................................................................... 94
11.4.2 The effects of the antenna pattern................................................................................................ 95
11.4.3 Clustering .................................................................................................................................... 96
References ........................................................................................................................................................... 98
List of Acronyms............................................................................................................................................... 102