Energy efficient communication in smart building WSN running distributed Hidden Markov chain presence detection algorithm

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Abstract

Occupancy detection in smart buildings suffers from high sensor unreliability. The combination of data from multiple sensors can largely improve reliability. However, battery-powered sensor nodes have communication limitations. This paper addresses the problem of presence detection in a building as Distributed Sensing of a Hidden Markov Model (DS-HMM). Optimal solutions require excessive communication over a perfectly reliable channel. We propose and investigate an efficient transmission policy, jointly with a fusion algorithm, to merge data from various HMMs running separately on all sensor nodes. The algorithm showed improved performance and potential energy savings in a real world set-up, where user presence and sensor errors may not exactly follow idealized model assumptions.

Original languageEnglish
Title of host publicationIEEE World Forum on Internet of Things, WF-IoT 2018 - Proceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages112-117
Number of pages6
ISBN (Electronic)978-1-4673-9944-9
ISBN (Print)978-1-4673-9945-6
DOIs
Publication statusPublished - 4 May 2018
Event4th IEEE World Forum on Internet of Things, WF-IoT 2018: Smart Cites and Nations - Singapore, Singapore
Duration: 5 Feb 20188 Feb 2018
Conference number: 4
http://wfiot2018.iot.ieee.org/

Conference

Conference4th IEEE World Forum on Internet of Things, WF-IoT 2018
Abbreviated title(WF-IoT)
CountrySingapore
CitySingapore
Period5/02/188/02/18
Internet address

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