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A study of Unlicensed Mobile Access(UMA) Technology. Presenter: Khanh Nguyen Instructor: Chin-Chih Chang. A study of Unlicensed Mobile Access(UMA) Technology. Introduction Characteristics of UMA Architecture UMA Applications Conclusion. UMA Participating Companies . Alcatel

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A study of Unlicensed Mobile Access(UMA) Technology


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a study of unlicensed mobile access uma technology
A study of Unlicensed Mobile Access(UMA) Technology
  • Presenter: Khanh Nguyen
  • Instructor: Chin-Chih Chang
a study of unlicensed mobile access uma technology2
A study of Unlicensed Mobile Access(UMA) Technology
  • Introduction
  • Characteristics of UMA
  • Architecture
  • UMA Applications
  • Conclusion
uma participating companies
UMA Participating Companies
  • Alcatel
  • British Telecom
  • Cingular
  • Ericsson
  • Kineto Wireless
  • Motorola
  • Nokia
  • Nortel Networks
  • O2
  • Research in Motion
  • Rogers Wireless
  • Siemens
  • Sony Ericsson T-Mobile US
why uma
Why UMA?

Unlicensed Mobile Access (UMA) technology enables access to GSM and GPRS mobile services over unlicensed spectrum, including Bluetooth™ and WiFi™.

protocols
Protocols
  • Standard 3GPP Protocols
  • Standard Unlicensed Radio Access Protocols
  • Standard IP-based Protocols
  • UMA Specific Protocols
    • UMA-RR
    • UMA Radio Link Control
specification history
Specification History
  • Stage 1 Specification(User Perspective) 9/1/2004
  • Stage 2 Specification(Architecture)
    • UMA Stage 2 R1.0 9/1/2004
    • ……….
    • UMA Stage 2 R1.0.4—Clean 5/16/2005
  • Stage 3 Specification(Protocols)
    • UMA Stage 3 R1.0 9/1/2004
    • …….
    • UMA Stage 3 R1.0.4—Clean 5/16/2005
development
Development
  • Philips Electronics announced a complete Unlicensed Mobile Access (UMA) semiconductor reference design to make it easy for mobile handset manufacturers to bring UMA-enabled phones to their customers
references
References

[1] UMA Sprecifications UMA Technology - Extending Mobile Services to Unlicensed Sprectrum http://www.umatechnology.org/specifications/index.htm

[2] Philips Electronics Announces Complete Unlicensed Mobile Access (UMA) Semiconductor Reference Design Mitsui & Co. Venture Partners http://www.mitsuivp.com/cgi-bin/WebObjects/f1f2557f0f.woa/wa/read/102ef056b5c/

[3] Alex Goldman Wi-Fi /Cellular Convergence: Evaluating UMA Wi-Fi Planet http://www.wi-fiplanet.com/news/article.php/3463271

[4] Glenn Fleishman Unlicensed Mobile Access on Verge of Deploying WNN Wi-Fi Net News http://wifinetnews.com/archives/004825.html

conclusion
Conclusion
  • UMA is nice technology to have;however, it might take time and a lot of effort before it becomes popular.
  • There are not a lot of companies investing into this technology.