Passive Ultra-Wideband Coarse Localization and Activity Detection System for Assisted Living

Ageing of population will increase the number of people demanding the assistance and medical support. In order to increase the life quality of elderly people the medical support and assistance will be provided at people homes which require the development of new technologies to support their living and reduce needed interaction of the nursing stuff. Activity detection and deviation from daily activity patterns are recognized as the main indicators to identify modification of the people behaviour showing potential risk in the deterioration of their physical and mental health. The passive and active localization are two key technologies applied for activity detection and tracking. In this respect in this paper we specify a new communication protocol for passive and active localization applicable for assisted living applications supporting tracking one person in their apartment. Communication protocol exploits the IEEE 802.15.4-2011 UWB communication technology for ranging and channel sounding application as inputs for the passive and active localizations.