Rec. ITU-T L.1331 (09/2020) Assessment of mobile network energy efficiency 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 6 Network under test definition 6.1 Introduction 6.2 Test parameter categorization 6.3 Network classification 6.3.1 Introduction to network classification 6.3.2 Demography 6.3.3 Topography 6.3.4 Climate zones 6.3.5 Additional classification classes 7 Metrics for energy efficiency assessment 7.1 Introduction 7.2 Energy consumption metrics 7.3 Performance metrics 7.3.1 Capacity (Data volume) 7.3.2 Coverage area 7.3.3 Latency 7.4 Mobile network energy efficiency metrics 8 Measurement of energy efficiency 8.1 Introduction 8.2 Time duration of the measurement 8.3 Measurement procedures 8.3.1 Measurement of Energy Consumption 8.3.2 Measurement of capacity 8.3.3 Determination of coverage area 8.3.3.1 Introduction 8.3.3.2 Geographic coverage area 8.3.3.3 Designated coverage area 8.3.3.4 Coverage quality 8.3.3.5 Measurement of latency 9 Extrapolation for overall networks 9.1 Extrapolation approach 9.2 Extrapolation method 9.2.1 Introduction of extrapolation method 9.2.2 Statistical information about demography 9.2.3 Statistical information about topography 9.2.4 Statistical information about climate zones 9.3 Extrapolation reporting tables 9.3.1 Introduction of extrapolation reporting tables 9.3.2 Reporting extrapolation based on demography 9.3.3 Reporting extrapolation based on topography 9.3.4 Reporting extrapolation based on climate zones 10 Assessment report 10.1 Introduction of assessment report 10.2 Report of network area under test 10.3 Report of sites under test 10.4 Report of site measurement 11 Implementation guidelines Appendix I Implementation examples I.1 Implementation examples I.2 Examples of reporting data Bibliography