doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 1 Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Location Awareness for Low Rate Data Devices] Date Submitted: [6 Nov, 2000] Source: [Michael R Derby] Company [Time Domain] Address [7057 Old Madison Pike, Huntsville, AL, 35806] Voice:[ ], FAX: [ ], Re: [LRSG] Abstract:[Location Awareness for Low Rate Data Devices] This document describes possible location awareness applications and briefly describes TM-UWB mechanisms for determining position of transceivers. Purpose:[Support of LRSG PAR] Notice:This document has been prepared to assist the IEEE P It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 2 LRSG - Location Awareness Provide location awareness and low rate communications. Tracking of assets, people, forklifts or anything that can move in various environments including industrial, retail, hospital, residential or office, while maintaining low rate data communications for equipment monitoring, messaging or controls.

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 3 Example Asset tracking: Hospitals –expensive equipment, Doctors. Home – remote control, wallet, keys, phone, elderly and children. Office – employees, computers. Industrial – Forklifts, bales of cotton, products Airlines – baggage

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 4 Example Shoppers in retail markets: –Push marketing and p-commerce. –Influence of buying decisions at the point of sale. –Targeted E-coupons. –Optimization of store layout.

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 5 Example Firemen in burning building: –Where are they? –What are their vital signs? –How much Oxygen do they have remaining? –Where am I?

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 6 Example Position Awareness: -Autonomous robotic controls. -Amusement park guests. -Mall shoppers. -Corporate visitors.

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 7 How does it work? On the surface - similar to GPS but a technically a little different

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 8 3D Tracking 4 fixed plus 1 mobile transceiver Solve for XYZ of the mobile “M” unit using ranges to the 4 fixed units x F1F1 F2F2 F3F3 F4F4 M Instrumented Range NC Visualization Here I am ! M = mobile unit F = fixed units NC = network controller

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 9 Ranging Measurement Range determined from the time of flight of Time Modulated Ultra-wide Band pulses. Departing pulse time is known, arrival time is observed, time of flight is the difference between these.

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 10 Leading Edge Detection Line of sight impulse response function Zoom in Leading edge Detected Time (ns) Baseband Amplitude

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 11 Leading Edge Detection Non Line of sight impulse response function Zoom in Leading edge Detected Time (ns) Baseband Amplitude

doc.: IEEE /363 Submission Michael R. Derby, Time Domain November 2000 Slide 12 State of the technology Current: [COMDEX Demo] –2 Hz refresh rate –Accuracy to 10cm –Multilaterization using 4 fixed stations. –Concurrent with Data Payload of 32Kbits Theoretical: –accuracy to <1cm –1000+ Hz refresh for a 1000’s of tracked items.