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Thread: Ericsson - VoLTE dimensioning and characteristics guideline

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    Ericsson - VoLTE dimensioning and characteristics guideline

    Contents
    1 Introduction...................................... .................................................. ..3
    1.1 Purpose .................................................. .............................................3
    1.2 Scope .................................................. ................................................3
    1.3 Document Structure .................................................. ..........................4
    1.4 Revision Information....................................... .....................................4
    1.5 Terminology and Concepts .................................................. ...............5
    1.6 Solution Overview .................................................. .............................5
    2 Parameter correlations between subsystems......................................7
    2.1 Subscriber terminologies..................................... ................................8
    2.2 Parameters related to user mobility handling, attachment and registration...................................... .................................................. .13
    2.3 IMS impact on EPC............................................... ............................14
    2.4 VoLTE traffic and parameters effect on CS dimensioning.................16
    2.5 LTE feature effect on other subsystems........................................ ....17
    3 General Dimensioning Guidelines........................................ .............17
    3.1 Deployment considerations .................................................. .............18
    3.2 Dimension the subsystems considering correlating parameters .......21
    3.3 Dimensioning for VoLTE specific robustness and network recovery.32
    3.4 Dimensioning the End-to-end Service Data Flow..............................36
    4 A dimensioning example and some capacity figures ........................38
    4.1 User attachment model .................................................. ...................39
    4.2 Radio access network and mobility .................................................. .40
    4.3 IMS dimensioning example .................................................. .............42
    4.4 EPC dimensioning example .................................................. ............49
    4.5 CS dimensioning example........................................... ......................59
    4.6 UDC traffic model and dimensioning...................................... ...........63
    4.7 Validating the radio network with the supposed traffic ......................67
    5 Appendices Example for a VoLTE attachment model....................67
    6 References .................................................. ......................................73

    Ericsson - VoLTE dimensioning and characteristics guideline.zip

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