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ThinkMind // UBICOMM 2016, The Tenth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article ubicomm_2016_7_30_10099


New Reconfigurable Middleware for Adaptive RTOS in Ubiquitous Devices

Authors:
Aymen Gammoudi
Adel Benzina
Mohamed Khalgui
Daniel Chillet

Keywords: Ubiquitous device; Reconfiguration; Real- Time and Low-Power Scheduling; Energy-aware.

Abstract:
Energy management is a central problem in battery powered real-time systems design, in particular for periodically reconfigurable embedded wireless devices. This kind of systems can be more or less intensive in computing, but must remain alive until the next recharge. They are not always critical, or at least some treatments are not critical. In this case, modification on tasks parameters of non-critical parts of the system can be done to increase the autonomy of the battery. The objective of this work is to develop a software plugin, called Reconf-Middleware, which corresponds to a software layer to be placed above the Operating System (OS). The main role of this software layer is to manage tasks execution for reconfigurable architecture when the battery recharges are done periodically. We integrate also a new scheduling strategy to ensure that the system will run correctly, after any reconfiguration scenario, under memory, real-time and energy constraints until the next recharge. This software component is designed to execute and evaluate the performance, reliability and correctness of some real-time scheduling approaches, which are theoretically validated. The middleware can be integrated into many operating systems and provides good quality both in terms of execution time and energy consumption.We discuss the paper’s contribution by analyzing the experimental results that we did on a running example. We propose in this paper a new middleware to be placed above the operating system.

Pages: 131 to 137

Copyright: Copyright (c) IARIA, 2016

Publication date: October 9, 2016

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-505-0

Location: Venice, Italy

Dates: from October 9, 2016 to October 13, 2016

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