Title :
An energy efficient power controller switching methodology for an ambient healthcare network
Author :
Walsh, Michael ; O´Flynn, Brendan ; Barton, John ; O´Mathuna, C.
Author_Institution :
Tyndall Nat. Inst., Clarity Centre for Sensor Web Technol., Univ. Coll. Cork, Cork, Ireland
Abstract :
A methodology for improved power controller switching in mobile Body Area Networks operating within the ambient healthcare environment is proposed. The work extends Anti-windup and Bumpless transfer results to provide a solution to the ambulatory networking problem that ensures sufficient biometric data can always be regenerated at the base station. The solution thereby guarantees satisfactory quality of service for healthcare providers. Compensation is provided for the nonlinear hardware constraints that are a typical feature of the type of network under consideration and graceful performance degradation in the face of hardware output power saturation is demonstrated, thus conserving network energy in an optimal fashion.
Keywords :
biomedical engineering; biomedical telemetry; body area networks; health care; medical control systems; wireless sensor networks; ambient healthcare network; ambulatory networking problem; anti-windup transfer; bumpless transfer; energy efficient power controller switching methodology; healthcare providers; mobile body area networks; nonlinear hardware constraints; quality of service; Base stations; Bioinformatics; Body area networks; Closed loop systems; Degradation; Energy efficiency; Hardware; Medical services; Power generation; Quality of service;
Conference_Titel :
Applied Sciences in Biomedical and Communication Technologies, 2009. ISABEL 2009. 2nd International Symposium on
Conference_Location :
Bratislava
Print_ISBN :
978-1-4244-4640-7
Electronic_ISBN :
978-1-4244-4641-4
DOI :
10.1109/ISABEL.2009.5373712
