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Mobile and Ubiquitous Computing

Explore the dynamic world of mobile and ubiquitous computing, characterized by constantly changing users, devices, and connectivity. Discover the challenges and benefits of smart spaces, device models, connectivity, and interoperation in this evolving landscape. Gain insights into sensing technologies and wireless sensor networks, including applications like environmental monitoring and GPS networks.

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Mobile and Ubiquitous Computing

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  1. Mobile and Ubiquitous Computing

  2. Overview Attributes Discussion

  3. Overview • Attributes • Discussion

  4. Overview - Mobile Computing: Defined by physical movement of a connected, “smart”, device. - Ubiquitous Computing: Defined by integration of computational devices into everyday objects and environments.

  5. Overview - Volatility The nature of distributed partially mobile systems is changeable and therefore volatile. - Issues: The constantly changing users and devices demands a high level of adaptivity and standardized communication from the network.

  6. Overview - Volatile system characteristics: - Smart spaces - Device models - Volatile connectivity - Sponatenous interoperation

  7. Overview • Attributes • Discussion

  8. Attributes

  9. Attributes - Association Physically driven and location based. Subject to perpetual change. - Two main issues: Scale and Scope. Handled by Discovery services

  10. Attributes - Interoperation How to best communicate between distributed devices? - Data-oriented programming: Focused on common interfaces such as HTTP as opposed to object-oriented programming.

  11. Attributes - Sensing and awareness A wide range of sensors are interconnected and forward data to control points. - Issues: Energy conversation vs data forwarding, quality vs quantity.

  12. Wireless sensor networks

  13. Examples of wireless sensor network: Environmental measurement systems Forest fire detection, Greenhouse gas monitoring, Earthquake detection. Related system: GPS - network

  14. Overview • Attributes • Discussion

  15. Discussion

  16. High expectations? The house of the future, 1953, Mark Ammerson

  17. From Distributed systems: concept and design: “...if users carry tags such as RFID tags (for example, ones embedded in their clothes so that their smart washing machines can automatically choose an appropriate washing cycle)...” “Similarly, a room could adapt the air conditioning and lighting settings according to the recorded preferences of the person within it.”

  18. Questions?

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