Rec. ITU-T G.1034 (01/2020) Quality of experience metrics for mobile telephony communication during rail travel
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
     5.1 Chosen variant for call drop rate (CDR)
     5.2 Geographical entities
     5.3 Geo or spatial binning
6 Metric for local drop probability (LDP)
     6.1 Basic considerations
     6.2 Computational concept
     6.3 Calculating local drop probability (LDP)
7 Metric for entire routes: Call completion probability (CCP)
     7.1 Basic definitions
     7.2 Modularity
8 Aspects of practical application
     8.1 Overview
     8.2 Direction dependencies and modes of computation
     8.3 Behaviour of the algorithm near end points of journeys
     8.4 Geographical mapping of measurement data and related accuracy considerations
     8.5 Physical and logical nodes in track networks
     8.6 Aspects of handling in low-velocity areas
9 Considerations on accuracy and error margins
     9.1 Requirements on minimum sample counts for input data
     9.2 Discussion on the overall prediction accuracy of the methodology
10 Variants and related terminology
Appendix I   Numerical examples for error considerations
Appendix II   Sensitivity of the metric against the shape of route profiles
Appendix III  Considerations on the function of motion in area-testing  of network performance
Bibliography