【资料名称】：The Benefits of SON in LTE

【资料作者】：3GPP

【资料日期】：LTE中SON技术的价值

【资料语言】：中文

【资料格式】：PDF

【资料目录和简介】：

CONTENTS
1 INTRODUCTION........................................................................................................................... 4
1.1 GOALS OF THISWHITE PAPER............................................................................................... 4
1.2 TECHNOLOGY AND MARKET DRIVERS FOR SON .................................................................... 4
1.3 REASONS FOR AUTOMATION ............................................................................................... 5
2 3GPP EVOLUTION AND SON.......................................................................................................... 5
2.1 LTE SON HIGH-LEVEL SCOPE AND TIMELINE .......................................................................... 5
2.2 SON DEVELOPMENT IN NGMN.............................................................................................. 7
3 KEY LTE RELEASE 8 AND RELEASE 9 SON FEATURES........................................................................ 8
3.1 BASE STATION SELF-CONFIGURATION................................................................................... 8
3.1.1 BENEFITS ...................................................................................................................... 8
3.1.2 DESCRIPTION................................................................................................................ 8
3.1.3 SELF-CONFIGURATION ACTIONS.................................................................................... 9
3.1.4 SELF-CONFIGURATION STATUS IN 3GPP........................................................................10
3.2 AUTOMATIC NEIGHBOR RELATION (ANR) ............................................................................10
3.2.1 BENEFITS .....................................................................................................................11
3.2.2 DESCRIPTION...............................................................................................................11
3.2.3 NEIGHBOR RELATION DISCOVERY.................................................................................12
3.2.4 ANR ACTIONS ..............................................................................................................12
3.3 TRACKING AREA PLANNING.................................................................................................13
3.3.1 BENEFITS .....................................................................................................................13
3.4 PCI PLANNING.....................................................................................................................14
3.4.1 BENEFITS .....................................................................................................................15
3.5 LOAD BALANCING ...............................................................................................................15
3.5.1 BENEFITS .....................................................................................................................16
3
3G Americas –– December 2009
3.5.2 DESCRIPTION ...................................................................................................................16
3.5.3 DETERMINING A LOAD IMBALANCE CONDITION...........................................................16
3.5.4 IDLE BALANCING..........................................................................................................17
3.5.5 ACTIVE BALANCING......................................................................................................17
3.6 MOBILITY ROBUSTNESS / HANDOVER OPTIMIZATION..........................................................18
3.6.1 BENEFITS .....................................................................................................................18
3.6.2 DESCRIPTION...............................................................................................................18
3.6.3 LATE HO TRIGGERING...................................................................................................19
3.6.4 EARLY HO TRIGGERING ................................................................................................19
3.6.5 HO TO AN INCORRECT CELL ..........................................................................................19
3.6.6 ALGORITHM FLOWOF OPERATION...............................................................................20
3.6.6.1 ALGORITHM INTERACTIONS .........................................................................................21
4 SUMMARY AND CONCLUSION .....................................................................................................22
APPENDIX: SON HIGH-LEVEL SCOPE AND TIMELINE FOR OTHER TECHNOLOGIES ................................23
ACKNOWLEDGEMENTS ....................................................................................................................25
REFERENCES ...................................................................................................................................26