Book contents
- Frontmatter
- Contents
- List of Contributors
- Acknowledgements
- List of Abbreviations
- Nomenclature and Notation
- Part I Motivation and Basics
- 1 Introduction
- 2 An Operator's Point of View
- 3 Information-Theoretic Basics
- 4 Gains and Trade-Offs of Multi-Cell Joint Signal Processing
- Part II Practical CoMP Schemes
- Part III Challenges Connected to CoMP
- Part IV Performance Assessment
- Part V Outlook and Conclusions
- References
- Index
2 - An Operator's Point of View
from Part I - Motivation and Basics
Published online by Cambridge University Press: 05 August 2012
By
Book contents
- Frontmatter
- Contents
- List of Contributors
- Acknowledgements
- List of Abbreviations
- Nomenclature and Notation
- Part I Motivation and Basics
- 1 Introduction
- 2 An Operator's Point of View
- 3 Information-Theoretic Basics
- 4 Gains and Trade-Offs of Multi-Cell Joint Signal Processing
- Part II Practical CoMP Schemes
- Part III Challenges Connected to CoMP
- Part IV Performance Assessment
- Part V Outlook and Conclusions
- References
- Index
Summary
The Mobile Internet - A Success Story so far
When 3G was launched initially with WCDMA technology (Release 99), it was rather a disappointment with not many services being successful. Some years later, the mobile Internet took off when a number of factors came together:
HSPA as a technological evolution of 3G with low latency and higher data rate
Attractive flat-rate price plans by mobile operators
Availability of mobile broadband hardware in terms of dongles and built-in 3G modules in notebooks
Smart phones with attractive user interfaces, e.g., iPhone, Android
Complete country-coverage with HSPA and HSPA+ by mobile operators.
This take-up of the mobile Internet generated substantial additional revenues for mobile operators, at a time when voice and text message revenues started to decline in saturated markets such as Europe. For example, Vodafone had a data revenue growth of 19% in financial year 2009/2010, with more than €4 Billion generated by non-SMS data. Today, only 11% of phones are smartphones, but by 2013 it is expected that more than a third of all active phones within the Vodafone network will be smartphones.
This data revenue growth comes along with a cost for mobile operators - namely data traffic growth. Fig. 2.1 shows the actual and projected traffic growth for Vodafone's European networks in Petabytes/year [Vod10]. It can be seen that data traffic has substantially surpassed voice traffic.
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- Coordinated Multi-Point in Mobile CommunicationsFrom Theory to Practice, pp. 7 - 10Publisher: Cambridge University PressPrint publication year: 2011
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