A 10mW Wearable Positioning System

Muller Henk L, Randell Cliff, Moss Andrew

Research output: Contribution to journalArticle (Academic Journal)

Abstract

In this paper we present a wearable positioning system that requires less than 10 mW to operate. The system consists of an infrastructure of ultrasonic transmitting devices, and a receiver device on the wearable. The receiver comprises an ultrasonic pick-up, an op-amp, and a PIC. The PIC implements a particle filter for estimating X and Y positions, which is robust in an environment with limited precision. We have modified the traditional particle filter in order to operate on a micro-controller with limited memory capabilities. The number of particles is only limited by the amount of memory on the PIC; we only use 5% of the PIC's computational power.
Translated title of the contributionA 10mW Wearable Positioning System
Original languageEnglish
Pages (from-to)47-50
JournalInternational Symposium on Wearable Computing (ISWC) 2006
Publication statusPublished - 2006

Bibliographical note

ISBN: 1424405971
Publisher: IEEE
Name and Venue of Conference: International Symposium on Wearable Computing (ISWC) 2006
Other identifier: 2000596

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