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• WiMAX: Ambitions and Reality
• Fixed or mobile WiMAX?
• UMA and Beyond

UMA and Beyond: Mobile Operators Benefit from Wi-Fi and Cellular Convergence—January 2005

• About the report
• Table of contents
• Press release
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Table of Contents

Executive Summary

1. UMA: a real push towards Wi-Fi and cellular convergence
   1. 1.1 A solution well-suited to mobile operators
   2. 1.2 When and where?
   3. 1.3 Convergence after UMA
   4. 1.4 Report roadmap
2. The core of UMA: technology and devices
   1. 2.1 How does UMA work?
   2. 2.2 Deployment scenarios: residential users, enterprise, hotspots
   3. 2.3 UMA handsets
   4. 2.4 QoS
   5. 2.5 What UMA is not: VoIP and SIP
   6. 2.6 Alternative solutions
3. The route to standardization
   1. 3.1 First step: UMA specifications
   2. 3.2 End point: 3GPP
   3. 3.3 The role of the Wi-Fi Alliance
   4. 3.4 The broader convergence view: IEEE 802.21, seamless roaming and WiMAX
4. One technology, different markets and different geographies
   1. 4.1 Drivers for adoption
      1. 4.1.1 Residential market
      2. 4.1.2 Enterprise market
   2. 4.2 Forecast of user demand
      1. 4.2.1 North America
      2. 4.2.2 Advanced Asian markets
      3. 4.2.3 Western Europe
      4. 4.2.4 Developing markets
5. Mobile operators: what do they stand to gain and lose?
   1. 5.1 The opportunity for Wi-Fi and cellular convergence
   2. 5.2 UMA challenges
   3. 5.3 Impact of convergence on fixed and mobile traffic
   4. 5.4 How to charge for UMA calls?
   5. 5.5 The revenue opportunity
6. The threat to fixed operators and VoIP service providers
   1. 6.1 Increased impetus for fixed-to-wireless substitution
   2. 6.2 The fight against mobile operators
   3. 6.3 A new source of competition for VoIP service providers
7. Handset manufacturers as key enablers of UMA
   1. 7.1 Finally a market for Wi-Fi handsets
   2. 7.2 Requirements for Wi-Fi and cellular handsets
8. Conclusions

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

List of Figures

• Figure 1. Key drivers of 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

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