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The Personal Server Changing the Way We Think About Ubiquitous Computing

Roy Want, et al. / Intel Research UBICOMP 2002 Nov. 21. 2005 Seungjae Lee sjlee@mmlab.snu.ac.kr. The Personal Server Changing the Way We Think About Ubiquitous Computing. The Personal Server. Mobile Affordance. Display/Input Capability. Device capability and Mobile affordance.

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The Personal Server Changing the Way We Think About Ubiquitous Computing

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  1. Roy Want, et al. / Intel Research UBICOMP 2002 Nov. 21. 2005 Seungjae Lee sjlee@mmlab.snu.ac.kr The Personal ServerChanging the Way We Think About Ubiquitous Computing

  2. The Personal Server Mobile Affordance Display/Input Capability Device capability and Mobile affordance Cell phones PDAs Laptops Desktops 2 / 13

  3. The Personal Server The Personal Server • Features • Large display • Full-sized keyboard • Small enough to carry • How this can be done? Large-screen PCs are everywhere! an airport a commercial district a trade show 3 / 13

  4. The Personal Server • No display • Very limited input method • High-density storage • Low-power communication • Short-range wireless capability 4 / 13

  5. Contents • Introduction • Implementation < • Mobile Platform • System Architecture • Applications and Usage Models • Architectural Issues & Future Work • Conclusion 5 / 13

  6. Mobile Platform • No real display or keyboard • The device is only accessible via the wireless link High densitystorage High performanceprocessor Low powershort range radio 6 / 13

  7. System Architecture PERSONAL SERVER(Linux) ACCESS HOST (Windows XP) WEBSERVER WEBDAV FILE VIEWER HTTP Transactions IEXPLORER DISCOVERY DISCOVERY LINUX WINDOWS XP PAN PROFILE PAN PROFILE TCP/IP Connectivity BLUETOOTH BLUETOOTH RADIO RADIO Wireless Baseband 7 / 13

  8. Applications and Usage Models • Web browsing • Mobile personal webpage • Bookmarks, address book, … • Wireless file access • Operates like an USB memory device • Remote control • E.g. Presentation sourced from a personal server 8 / 13

  9. Architectural Issues & Future Works • Discovery delay • Privacy & security • Adaptive user interfaces • Usage models • Power management • Distributed file systems • Mobile execution • Industrial design 9 / 13

  10. Conclusion • Utilizing computers in the local environment • Considerably improves the mobile user experience • Allows the mobile device itself to disappear from a users interaction • Enabling factors • High-density portable storage devices • Low-power, high-performance processors • Short-range, low power wireless standards • Extensive public computing infrastructure 10 / 13

  11. This paper was published inJUNE 2002 11 / 13

  12. Then how’s the personal serverNOWADAYS? 12 / 13

  13. energy deployment The Personal Server, Practically • Main limitation • Computers must be equipped with wireless device. • The alternatives An energy barrier! 13 / 13

  14. Thank You !

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