Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/10228

TitleAn improved MAC Protocol with reconfiguration scheme for Wireless e-Health Systems requiring quality of service
Author(s)Gama, Oscar
Afonso, José A.
Carvalho, Paulo
Mendes, P. M.
Keywordse-health
e-emergency
Medium access control
Quality of service
Wireless sensor network
Issue date2009
PublisherIEEE
CitationINTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATION, VEHICULAR TECHNOLOGY, INFORMATION THEORY AND AEROSPACE & ELECTRONIC SYSTEMS TECHNOLOGY, 1, Aalborg, Denmark, 2009 – “Wireless ViTAE 2009 : proceedings”. Piscataway : IEEE, 2009. ISBN 978-1-4244-4067-2.
Abstract(s)To provide a reliable assistance to patients, emergency and intensive care systems have increased demands for quality of service at different levels, including at the MAC layer. The Low Power Real Time (LPRT) MAC protocol presents suitable characteristics to address these demands due to its efficient bandwidth allocation, low energy consumption, and bounded latency. Yet, this MAC protocol may still present a significant packet loss ratio in a wireless channel affected by errors. In order to improve its robustness to bit error conditions, a solution based on short size beacons is proposed and tested. Results show that significant improvements regarding packet loss ratio and energy saving are obtained. A new reconfiguration scheme is also proposed so that a WSN using this solution may react optimally in accordance with the patients' clinical state.
TypeConference paper
URIhttp://hdl.handle.net/1822/10228
ISBN978-1-4244-4067-2
DOI10.1109/WIRELESSVITAE.2009.5172511
Peer-Reviewedyes
AccessOpen access
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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