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Measurement-Based Admission Control in Wireless Sensor Networks
KTH, School of Technology and Health (STH), Data- och elektroteknik (Closed 20130701).
KTH, School of Technology and Health (STH), Data- och elektroteknik (Closed 20130701).
Abstract [en]

Wireless sensor networks have today emerged as a feasible infrastructure for healthcare applications. This paper addresses the non-trivial performance problems in contention-based wireless networks. We present a method for admission control in contention-based networks, implemented as a component of a performance management system. The test results show that admission control can improve the predictability and level of performance in wireless sensor networks. The system can be used as a tool for dimensioning and configuration as well as for real-time admission control. The often unpredictable dynamics in contention-based access networks means that continuous performance control is needed to maintain a desired quality of service.

Place, publisher, year, edition, pages
IEEE , 2010. 447-452 p.
Keyword [en]
wireless sensor networks; admission control; performance monitoring and control
National Category
Medical Laboratory and Measurements Technologies
URN: urn:nbn:se:kth:diva-84233DOI: 10.1109/SENSORCOMM.2010.71ISI: 000296392600075ScopusID: 2-s2.0-77957944672ISBN: 978-0-7695-4096-2OAI: diva2:500120
4th International Conference on Sensor Technologies and Applications (SENSORCOMM), Mestre, ITALY, JUL 18-25, 2010

© 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. QC 20120217

Available from: 2012-02-17 Created: 2012-02-13 Last updated: 2016-02-22Bibliographically approved
In thesis
1. Performance Monitoring and Control in Wireless Sensor Networks
Open this publication in new window or tab >>Performance Monitoring and Control in Wireless Sensor Networks
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Wireless personal area networks have emerged as an important communication infrastructure in areas such as at-home healthcare and home automation, independent living and assistive technology, as well as sports and wellness. Wireless personal area networks, including body sensor networks, are becoming more mature and are considered to be a realistic alternative as communication infrastructure for demanding services. However, to transmit data from e.g., an ECG in wireless networks is also a challenge, especially if multiple sensors compete for access. Contention-based networks offer simplicity and utilization advantages, but the drawback is lack of predictable performance. Recipients of data sent in wireless sensor networks need to know whether they can trust the information or not. Performance measurements, monitoring and control is of crucial importance for medical and healthcare applications in wireless sensor networks.

This thesis focuses on development, prototype implementation and evaluation of a performance management system with performance and admission control for wireless sensor networks. Furthermore, an implementation of a new method to compensate for clock drift between multiple wireless sensor nodes is also shown. Errors in time synchronization between nodes in Bluetooth networks, resulting in inadequate data fusion, are also analysed.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. vi, 21 p.
TRITA-STH : report, ISSN 1653-3836 ; 2012:3
body sensor networks, wireless sensor networks, performance monitoring, performance control, admission control, Bluetooth performance, clock drift compensation, time synchronization
National Category
Medical Engineering Communication Systems
urn:nbn:se:kth:diva-94545 (URN)978-91-7501-354-1 (ISBN)
2012-06-05, Sal 3-221, Alfred Nobels allé 10, Huddinge, 11:00 (English)

QC 20120529

Available from: 2012-05-29 Created: 2012-05-10 Last updated: 2016-02-22Bibliographically approved

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