1. CSCI 599 - Intelligent Embedded Systems, Spring 20021 A Distributed Location System for the Active Office Andy Harter, Andy Hopper

2. CSCI 599 - Intelligent Embedded Systems, Spring 20022 Outline Introduction Location Technology Location System Architecture Location System Design Location System Implementation Applications Using Location Applications Using Location and Input The Active Office

3. CSCI 599 - Intelligent Embedded Systems, Spring 20023 Introduction Issue of location of people and equipment within an organization Design of a distributed system service supporting access to location information

4. CSCI 599 - Intelligent Embedded Systems, Spring 20024 Location Technology Introduction - Topology of a fixed network of wireless receivers is the basis - Granularity of location information controlled by density of receivers

5. CSCI 599 - Intelligent Embedded Systems, Spring 20025 Location Technology Room scale location - IR Base Sensors, Low Data Rate of 9600 baud

6. CSCI 599 - Intelligent Embedded Systems, Spring 20026 Location Technology Locating People, Equipment - Active Badge

7. CSCI 599 - Intelligent Embedded Systems, Spring 20027 Location Technology Desk scale location - Hybrid radio/infra red scheme

8. CSCI 599 - Intelligent Embedded Systems, Spring 20028 Location Technology Properties: - Spatial & Temporal granularity - Information has real time element - Information is regularly broadcast

9. CSCI 599 - Intelligent Embedded Systems, Spring 20029 Location System Architecture Location Naming Transaction management Distribution models

10. CSCI 599 - Intelligent Embedded Systems, Spring 200210 Location System Design

11. CSCI 599 - Intelligent Embedded Systems, Spring 200211 Location System Implementation Distributed System Support - RPC as communication paradigm - The Trader System Management - Robust Implementation - Tolerance to infrastructure failure

12. CSCI 599 - Intelligent Embedded Systems, Spring 200212 Applications Using Location Presentation and security based, Pandora Global communication service, finger Paging

13. CSCI 599 - Intelligent Embedded Systems, Spring 200213 Applications Using Location & Input Application Control using Active Badge Transportable desktops, relocatable user X sessions Contextually aware mobiles, Quaderno, PARCTAB

14. CSCI 599 - Intelligent Embedded Systems, Spring 200214 The Active Office Contexts must be maintained automatically using location technology Issues of privacy and security to be addressed in distributed mobile systems architecture

15. CSCI 599 - Intelligent Embedded Systems, Spring 200215