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Kortbeek, V. (author), Ghosh, Souradip (author), Hester, Josiah (author), Campanoni, Simone (author), Pawełczak, Przemysław (author)Intermittently operating embedded computing platforms powered by energy harvesting require software frameworks to protect from errors caused by Write After Read (WAR) dependencies. A powerful method of code protection for systems with non-volatile main memory utilizes compiler analysis to insert a checkpoint inside each WAR violation in the...conference paper 2022
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de Winkel, J. (author), Tang, Haozhe (author), Pawełczak, Przemysław (author)We present an architecture for intermittently-powered wireless communication systems that does not require any changes to the official protocol specification. Our core idea is to save the intermediate state of the wireless protocol to non-volatile memory within each connection interval. The protocol state is then deterministically restored at...conference paper 2022
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Majid, A.Y. (author), Schilder, Patrick (author), Langendoen, K.G. (author)The main obstacles to achieve truly ubiquitous sensing are (i) the limitations of battery technology - batteries are short-lived, hazardous, bulky, and costly - and (ii) the unpredictability of ambient power. The latter causes sensors to operate intermittently, violating the availability requirements of many real-world applications. In this...conference paper 2020
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Mamone, Dario (author), Bosio, Alberto (author), Savino, Alessandro (author), Hamdioui, S. (author), Rebaudengo, Maurizio (author)Nowadays, the reliability has become one of the main issues for safety-critical embedded systems, like automotive, aerospace and avionic. In an embedded system, the full system stack usually includes, between the hardware layer and the software/application layer, a middle layer composed by the Operating System (OS) and the middleware. Most of...conference paper 2020