xsdenied07
2013-11-30, 12:23 PM
Table of Contents
Table of Contents.......................................................................................................... iii
Acknowledgments...........................................................................................................v
List of Abbreviations......................................................................................................vi
List of Figures................................................................................................................ix
List of Tables .................................................................................................................ix
1 Introduction ........................................................................................................... 1
1.1 Objectives and Approach ................................................................................................. 2
1.1.1 Methodology........................................................................................................................2
1.1.2 Dimensioning Tool.............................................................................................................4
1.2 Thesis Layout ..................................................................................................................... 4
2 Long Term Evolution of 3GPP (LTE) and Dimensioning......................................5
2.1 LTE Overview.................................................................................................................... 6
2.2 Requirements for LTE...................................................................................................... 6
2.3 Multiple Access Techniques............................................................................................. 7
2.3.1 OFDMA for DL .................................................................................................................8
2.3.2 SC-FDMA for UL ............................................................................................................11
2.4 Bandwidth Scalability ...................................................................................................... 12
2.5 Network Architecture ..................................................................................................... 13
2.6 E-UTRAN Interfaces...................................................................................................... 15
3 Dimensioning of LTE Network............................................................................ 17
3.1 Wireless Cellular Network Dimensioning.................................................................... 17
3.2 LTE Access Network Dimensioning............................................................................ 21
3.2.1 Inputs of LTE Dimensioning.........................................................................................22
3.2.2 Outputs of LTE Dimensioning......................................................................................23
3.2.3 LTE Dimensioning Process............................................................................................23
4 Coverage Planning and Radio Link Budget.......................................................... 27
4.1 Radio Link Budget........................................................................................................... 28
iv
4.1.1 Other-to-own cell interference (i) ..................................................................................32
4.2 Required SINR................................................................................................................. 33
4.2.1 Spectral Efficiency ............................................................................................................33
4.3 Interference....................................................................................................................... 36
4.4 Coverage-based Site Count ............................................................................................ 38
5 Capacity Planning ................................................................................................ 40
5.1 LTE Capacity Planning................................................................................................... 40
5.2 Average Cell Throughput Calculations......................................................................... 41
5.3 Traffic demand estimation and Overbooking factor.................................................. 43
5.4 Capacity based site count................................................................................................ 44
6 Tool for LTE Dimensioning................................................................................. 45
6.1 Methodology and Structure............................................................................................ 45
6.2 Dimensioning inputs ....................................................................................................... 46
6.3 Tables and background data........................................................................................... 48
6.4 Radio link budget............................................................................................................. 50
6.5 Capacity Evaluator........................................................................................................... 52
6.6 Dimensioning Output..................................................................................................... 53
7 Conclusion and Future Work................................................................................ 56
7.1 Conclusion ........................................................................................................................ 56
7.2 Future Work ..................................................................................................................... 57
8 References ............................................................................................................ 58
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Table of Contents.......................................................................................................... iii
Acknowledgments...........................................................................................................v
List of Abbreviations......................................................................................................vi
List of Figures................................................................................................................ix
List of Tables .................................................................................................................ix
1 Introduction ........................................................................................................... 1
1.1 Objectives and Approach ................................................................................................. 2
1.1.1 Methodology........................................................................................................................2
1.1.2 Dimensioning Tool.............................................................................................................4
1.2 Thesis Layout ..................................................................................................................... 4
2 Long Term Evolution of 3GPP (LTE) and Dimensioning......................................5
2.1 LTE Overview.................................................................................................................... 6
2.2 Requirements for LTE...................................................................................................... 6
2.3 Multiple Access Techniques............................................................................................. 7
2.3.1 OFDMA for DL .................................................................................................................8
2.3.2 SC-FDMA for UL ............................................................................................................11
2.4 Bandwidth Scalability ...................................................................................................... 12
2.5 Network Architecture ..................................................................................................... 13
2.6 E-UTRAN Interfaces...................................................................................................... 15
3 Dimensioning of LTE Network............................................................................ 17
3.1 Wireless Cellular Network Dimensioning.................................................................... 17
3.2 LTE Access Network Dimensioning............................................................................ 21
3.2.1 Inputs of LTE Dimensioning.........................................................................................22
3.2.2 Outputs of LTE Dimensioning......................................................................................23
3.2.3 LTE Dimensioning Process............................................................................................23
4 Coverage Planning and Radio Link Budget.......................................................... 27
4.1 Radio Link Budget........................................................................................................... 28
iv
4.1.1 Other-to-own cell interference (i) ..................................................................................32
4.2 Required SINR................................................................................................................. 33
4.2.1 Spectral Efficiency ............................................................................................................33
4.3 Interference....................................................................................................................... 36
4.4 Coverage-based Site Count ............................................................................................ 38
5 Capacity Planning ................................................................................................ 40
5.1 LTE Capacity Planning................................................................................................... 40
5.2 Average Cell Throughput Calculations......................................................................... 41
5.3 Traffic demand estimation and Overbooking factor.................................................. 43
5.4 Capacity based site count................................................................................................ 44
6 Tool for LTE Dimensioning................................................................................. 45
6.1 Methodology and Structure............................................................................................ 45
6.2 Dimensioning inputs ....................................................................................................... 46
6.3 Tables and background data........................................................................................... 48
6.4 Radio link budget............................................................................................................. 50
6.5 Capacity Evaluator........................................................................................................... 52
6.6 Dimensioning Output..................................................................................................... 53
7 Conclusion and Future Work................................................................................ 56
7.1 Conclusion ........................................................................................................................ 56
7.2 Future Work ..................................................................................................................... 57
8 References ............................................................................................................ 58
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