Unlicensed Mobile Access and Beyond: Mobile Operators Benefit from Wi-Fi and Cellular Convergence



Table of Contents

Published January 2005.

Executive Summary

1    Unlicensed Mobile Access (UMA): a real push towards Wi-Fi and cellular convergence     

1.1 A solution well-suited to mobile operators

1.2 When and where?  

1.3 Convergence after UMA

1.4 Report roadmap    

2    The core of UMA: technology and devices

2.1 How does UMA work?

2.2 Deployment scenarios: residential users, enterprise, hotspots

2.3 UMA handsets

2.4 Quality of Service (QoS)   

2.5 What UMA is not: VoIP and SIP

2.6 Alternative solutions     

3    The route to standardization

3.1 First step: UMA specifications

3.2 End point: 3GPP    

3.3 The role of the Wi-Fi Alliance  

3.4 The broader convergence view: IEEE 802.21, seamless roaming and WiMAX 

4    One technology, different markets and different geographies 

4.1 Drivers for adoption     

4.1.1    Residential market 

4.1.2    Enterprise market  

4.2 Forecast of user demand    

4.2.1    North America

4.2.2    Advanced Asian markets   

4.2.3    Western Europe    

4.2.4    Developing markets     

5    Mobile operators: what do they stand to gain and lose?    

5.1 The opportunity for Wi-Fi and cellular convergence

5.2 UMA challenges    

5.3 Impact of convergence on fixed and mobile traffic   

5.4 How to charge for UMA calls?

5.5 The revenue opportunity    

6    The threat to fixed operators and VoIP service providers 

6.1 Increased impetus for fixed-to-wireless substitution 

6.2 The fight against mobile operators  

6.3 A new source of competition for VoIP service providers    

7    Handset manufacturers as key enablers of UMA

7.1 Finally a market for Wi-Fi handsets

7.2 Requirements for Wi-Fi and cellular handsets

8    Conclusions

List of Figures

Figure 1. Key drivers of Wireless and Cellular Convergence (WCC)    

Figure 2. GSM core network access by UMA-enabled handsets    

Figure 3. UMA and cellular access to the core network

Figure 4. UMA network architecture: access to the cellular home network  

Figure 5. UMA network architecture: roaming case

Figure 6. WLAN and cellular handsets 

Figure 7. Addressable market for WCC     

Figure 8. WCC subscribers     

Figure 9. Penetration of WCC among cellular subscribers   

Figure 10. WCC subscribers in North America

Figure 11. WCC subscribers in Asia and Oceania  

Figure 12. WCC subscribers in Western Europe    

Figure 13. Fixed and mobile MoU in the US    

Figure 14. Mobile and fixed MoU at home and outside the home in 2006   

Figure 15. Mobile and fixed MoU at home and outside the home in 2010   

Figure 16. Usage profiles: Scenario 1 – Flat fee, unlimited usage in 2006     

Figure 17. Usage profiles: Scenario 2 – Fixed fee, limited usage in 2006     

Figure 18. Usage profiles: Scenario 3 – No fee, cellular rates in 2006   

Figure 19. Usage profiles: Scenario 1 – Flat fee, unlimited usage in 2010     

Figure 20. Usage profiles: Scenario 2 – Fixed fee, limited usage in 2010     

Figure 21. Usage profiles: Scenario 3 – No fee, cellular rates in 2010   

Figure 22. Subscriber savings: Scenario 1 – Flat fee, unlimited usage in 2006    

Figure 23. Subscriber savings: Scenario 2 – Fixed fee, limited usage in 2006     

Figure 24. Subscriber savings: Scenario 3 – No fee, cellular rates in 2006   

Figure 25. Subscriber savings: Scenario 1 – Flat fee, unlimited usage in 2010    

Figure 26. Subscriber savings: Scenario 2 – Fixed fee, limited usage in 2010     

Figure 27. Subscriber savings: Scenario 3 – No fee, cellular rates in 2010   

Figure 28. WCC revenues for mobile operators     

Figure 29. Revenues lost by fixed service providers

Figure 30. Bridgeport Networks NomadicONE solution    

Figure 31. Kineto Wireless FMC solution  

Figure 32. LongBoard’s OnePhone solution     

List of Tables

Table 1. UMA key features     

Table 2. Drivers of WCC demand 

Table 3. Usage scenarios   

Annex A: Standardization efforts and industry alliances

3GPP  

European Telecommunications Standards Institute (ETSI)   

Fixed-Mobile Convergence Alliance (FMCA)  

SCCAN Forum

IEEE 802.21

International Telecommunication Union (ITU)   

UMA  

Wi-Fi Alliance 

Annex B: Wi-Fi and cellular convergence solutions

Bridgeport Networks   

Ericsson    

Kineto Wireless

LongBoard

NTT DoCoMo

Annex C: Service providers

BT

Cingular     

O2

Rogers Wireless    

T-Mobile USA

Annex D: References

Annex E: Acronyms  

Annex F: Methodology   




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