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

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Presentation on theme: "CSCI 599 - Intelligent Embedded Systems, Spring 20021 A Distributed Location System for the Active Office Andy Harter, Andy Hopper."— Presentation transcript:

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

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

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

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

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

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

9 CSCI Intelligent Embedded Systems, Spring Location System Architecture Location Naming Transaction management Distribution models

10 CSCI Intelligent Embedded Systems, Spring Location System Design

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

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

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

14 CSCI Intelligent Embedded Systems, Spring 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 Intelligent Embedded Systems, Spring


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