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Ultra-mobile computing trends

Ultra-mobile computing trends. Otto Berkes, Architect Simon Poile, Product Unit Manager Mobile Platforms Division Microsoft Corporation. Value of full PC functionality for nomadic computing. Compatibility with existing infrastructure Peripherals Networking User interfaces

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Ultra-mobile computing trends

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  1. Ultra-mobile computing trends Otto Berkes, Architect Simon Poile, Product Unit Manager Mobile Platforms Division Microsoft Corporation

  2. Value of full PC functionality for nomadic computing • Compatibility with existing infrastructure • Peripherals • Networking • User interfaces • Data and applications • Tools and support • APIs, compilers, documentation • Breadth of available content • PC is the universal data decoder

  3. Key challenges to creating true device-like PCs • Hardware cost and complexity • Size • Power consumption • Durability and ruggedness • Connectivity • User interface and interaction

  4. Hardware cost and complexity • Display • Silicon • Storage • Batteries

  5. Hardware: Display • Key cost determinants • Glass size • Pixel density • Manufacturing volume • We’re focused on 7” as a “sweet spot” • Large enough to render data well • Small enough to be highly mobile • Can support LED-based backlight in the future • Already a common glass size

  6. Hardware: Silicon • Moore’s Law in the PC space has been harnessed primarily to increase performance and functionality • Current PC silicon performance “good enough” to drive majority of mobile computing scenarios • Harness Moore’s Law for original intent • Keep functionality & performance constant • Drive integration up • Drive die size, cost & power down

  7. Hardware: Storage • Hard drives are proliferating in consumer electronics • 15% of total HD market in ’04, over 20% in ’05 • Major investments by manufacturers in sub-1” sizes • Pricing will be appropriate for mobile phones and consumer electronics (i.e., low)

  8. Hardware: Batteries • Use standard cylindrical batteries if possible • Li-ion has higher energy density than li-polymer, and more robust cycle lifetime • 18650 li-ion battery is standard, high-volume, multi-vendor component • For larger form factors, the combination of low cost and high energy density is a great fit • Use less! • Reduce battery budget by reducing total battery consumption

  9. The size challenge • How small is too small? • Windows on small displays is a challenge • Rendering rich data on small displays is a challenge • Standard web pages on phones and PDAs range from impossible to difficult to use • Similar issues with other standard data-based content and documents • We believe 5”-8” is a feasible range for data-centric rendering-based devices • This will drive the form factor

  10. Power consumption • Battery technology is only improving between 8%-10% a year • No “breakthrough” technology on the horizon • Smaller size device dictates a smaller power budget, so we have to design for greater efficiency: • Smaller display will use less power • Less area to illuminate • 7” panel requres less than ¼ the power budget of a 14” panel • Display is the major power consumer on the mobile PC • Develop LED-lit, transflective displays, use adaptive lighting • Micro-sized mobile hard drive • <0.01W idle vs ~0.2W idle with 1.8”, ~0.6W with 2.5” • Ultra-low-power PC-compatible silicon • Reduce chipset power & increase integration • Prioritize low average lower over performance/features

  11. Durability and ruggedness • Drive total mass down • Eliminate mechanical complexity • Engineer and design for drop, high mechanical stress, dust, and moisture • Shock-mounting, internal spacing to accommodate shock, internal connector selection, fan-less design, minimal ports, portfolio design (and similar risk mitigation through integration protection) • Use highly robust mobile drives and/or solid state memory • 300G (2.5”) vs. 500G (1.8”) vs. 1000+G (1”) • Operating; half sine wave /2ms

  12. Connectivity • Device should have “always connected” behavior • Integration of WWAN capabilities • UMTS, CDMA 1xEV-DO, WiMAX, … • Seamless roaming between WWAN/WLAN/PAN • Device is always in some “on” state that can respond to some network-based event • Network can always “push” to device • Major shift in how we can think about current PC-class software • Network connectivity moves past being destination-based

  13. UI and interaction • Device interaction • The bad news: the traditional PC interaction model is keyboard/mouse • The good news: the PC can accommodate the broadest range of interaction technology • Pen/ink, speech and voice, touch, gesture-based interfaces, remote control, etc. • Display UI • Small display is challenging with current Windows UI • We are building UI appropriate for on-the-go scenarios and appropriate mobile interaction (finger-based touch, d-pads, scroll wheels, etc.)

  14. © 2005 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

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