Improving OSS for mobile cellular networks is always a goal of wireless carriers and an important technology to deploy is the so called Self Organizing Network (SON), which has been introduced as part of the 3GPP LTE network framework. SON is expected to be deployed over time and ultimately have a dramatically positive effect on network operations and OSS as it will, among other things, automate certain activates in order to save personnel costs and related costs of materials.

1. Implementing and Operating Self-organizing Networks (SON): Analysis and Case Studies for Mobile
Network Operators
New and emerging classes of mobile devices (smartphones, pc data cards, USB modems, consumer devices
with embedded wireless, machine-to-machine, etc.) are fostering explosive growth of wireless data usage by
public and enterprise users. As a result, wireless service providers have to simultaneously support a growing
number of higher-bandwidth data applications and services on their networks. Improving OSS for mobile
cellular networks is always a goal of wireless carriers and an important technology to deploy is the so called
Self Organizing Network (SON), which has been introduced as part of the 3GPP LTE network framework.
SON is expected to be deployed over time and ultimately have a dramatically positive effect on network
operations and OSS as it will, among other things, automate certain activates in order to save personnel costs
and related costs of materials. This research evaluates the implementation and operation of SON. The report
includes analysis and case studies aimed at mobile network operators to help them identify and understand the
benefits as well as the challenges of implementation and operation. Target Audience: Mobile network
operators Wireless device manufacturers Wireless infrastructure providers OSS/BSS vendors and service
providers Network optimization service providers LTE application developers and service integrators
Managed service providers and service bureau organizations
table Of Contents:
1.0 Executive Summary 4
2.0 Introduction 6
2.1 Self Organizing Networks Economic Benefits 11
2.1.1 Network Automation 11
2.1.2 Energy Saving 12
2.1.3 Lower Equipments 12
2.2 Market Drivers For Son 12
3.0 Implementing Self Organizing Networks 14
3.1 Son Architecture 14
3.2 Implementation Cases 16
3.2.1 First Scenario: Existing Network 16
3.2.2 Second Scenario: Greenfield 19
3.2.3 Third Scenario: Deploy Prior To Lte 20
3.2.4 Fourth Scenario: Deploy/upgrade Epc Without Lte 22
3.3 Future Trends 22
3.3.1 Load Balancing In Son 23
Implementing and Operating Self-organizing Networks (SON): Analysis and Case Studies for Mobile Network Operators

2. 3.3.2 Mobility Robustness Optimization (mro) 24
3.3.3 Antenna Parameters And Cost Reduction And Antenna Tilt 25
3.3.4 Electrical Tilt 28
3.3.5 Mechanical Tilt 29
3.3.6 Installing Antenna Tilt And Its Parameters 31
4.0 Feasibility Study On The Installation Of Son Operations 32
4.1 Planning The Network 32
4.1.1 Automatic Neighbor Relations 32
4.2 Optimization 33
4.2.1 Network Automation 33
4.2.1 Fault Management 34
4.3 Automated Analysis 34
4.3.1 Self Configuration 35
4.3.2 Self Optimization 35
4.3.3 Self Healing 35
4.3.4 Self Healing Challenging 36
4.3.5 Cell Outage Detection 36
4.4 Case Study: The Return On Investment (roi) 37
4.5 Recommendations On Installing Son And Lte Operations 38
5.0 Operational Challenges Vs Benefits 40
5.1 Delay In Son 40
5.1.1 Transition Process Challenges 40
5.1.2 Lower Human Interaction 42
5.1.3 More Automated Networks 42
5.2 Other Technical Challenges 42
6.0 Calculating The Cost Of Son 45
6.1 Savings 45
6.1.1 Benefits 45
6.1.2 Operational Benefits 46
6.1.3 Future Benefits 46
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Implementing and Operating Self-organizing Networks (SON): Analysis and Case Studies for Mobile Network Operators

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Implementing and Operating Self-organizing Networks (SON): Analysis and Case Studies for Mobile Network Operators