A Location System based on Sensor Fusion: Research Areas and Software Architecture
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1 A Location System based on Sensor Fusion: Research Areas and Software Architecture 2. GI/ITG KuVS Fachgespräch Ortsbezogene Anwendungen und Dienste Thomas King, Stephan Kopf, Wolfgang Effelsberg University of Mannheim Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 1/14
2 Motivation Motivation Outline Categorization various applications require location information mobile ad-hoc routing: position based routing mobile business: context-aware applications various location systems are around no highly accurate, easy-to-use indoor location systems is available Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 2/14
3 Motivation Motivation Outline Categorization various applications require location information mobile ad-hoc routing: position based routing mobile business: context-aware applications various location systems are around no highly accurate, easy-to-use indoor location systems is available we investigate sensor fusion based location systems Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 2/14
4 Outline Motivation Outline Categorization Categorization Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 3/14
5 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
6 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
7 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
8 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
9 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
10 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
11 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
12 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
13 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
14 Categorization Motivation Outline Location Systems Categorization Use Existing Infrastructure Use Dedicated Infrastructure Satellite Based Satellite Independent Televison Bluetooth Wireless LAN FM Radio Infrared Ultrasonic Rosum RADAR RightSPOT GPS Active Badge Cricket Sensor Fusion Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 4/14
15 RADAR - Overview RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Microsoft Research, 2000 wireless LAN access points are used to determine the position of mobile devices two step approach: training phase: a database with signal strength values of the operation area have to be created location phase: uses this database median distance error 2.5 meters Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 5/14
16 RADAR - Database a dense grid of measurement points is required RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 6/14
17 RADAR - Positioning RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning the mobile device measures the signal strength of the access points in communication range the mobile device compares this sample with the values stored in the database Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 7/14
18 RADAR - Positioning RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning the mobile device measures the signal strength of the access points in communication range the mobile device compares this sample with the values stored in the database Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 7/14
19 Bluetooth - Overview RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning invented to replace low-bandwidth cabling e.g. computer peripherals communication range up to 10 meters proximity approach proposed by a research group at the Lulea University, Schweden a research group at the Chuo University, Japan Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 8/14
20 Bluetooth - Positioning proximity based location determination RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 9/14
21 Bluetooth - Positioning proximity based location determination RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 9/14
22 Bluetooth - Positioning proximity based location determination RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 9/14
23 Bluetooth - Positioning proximity based location determination RADAR - Overview RADAR - Database RADAR - Positioning Bluetooth - Overview Bluetooth - Positioning Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 9/14
24 Sensor Fusion - Overview Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture proposed by PlaceLab and a research group of the University of California, USA modern mobile devices contain a multiple of communication and sensor interfaces (e.g. Wireless LAN, Bluetooth, GSM,...) Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 10/14
25 Sensor Fusion - Overview Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture proposed by PlaceLab and a research group of the University of California, USA modern mobile devices contain a multiple of communication and sensor interfaces (e.g. Wireless LAN, Bluetooth, GSM,...) exploit the correlation between sensed parameters to increase the positioning accuracy and availability Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 10/14
26 Sensor Fusion - Principle of Function principle of function Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 11/14
27 Sensor Fusion - Principle of Function principle of function Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 11/14
28 Sensor Fusion - Principle of Function principle of function Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 11/14
29 Sensor Fusion - Principle of Function principle of function Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 11/14
30 Sensor Fusion - Challenges Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture challenges: different sensor types provide different accuracy and precision sensor data is often noisy position estimates from different sensors may conflict with each other Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 12/14
31 Generic Location System Architecture Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 13/14
32 Generic Location System Architecture Sensor Fusion - Overview Sensor Fusion - Principle of Function Sensor Fusion - Challenges Generic Location System Architecture Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 13/14
33 Categorization of location systems GPS RADAR Bluetooth Sensor Fusion Generic Location System Thomas King, 05/19/2005 A Location System based on Sensor Fusion: Research Areas and Software Architecture - p. 14/14
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