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Network-wide energy optimization for adaptive embedded systems

 
: Heinrich, Patrick; Prehofer, Christian

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ACM SIGBED review. Online journal 10 (2013), No.1, pp.33-36
http://dl.acm.org/citation.cfm?id=J994
ISSN: 1551-3688
English
Journal Article
Fraunhofer ESK
embedded systems; energy-efficiency; network wide optimization; adaptive systems; automotive; adaptives System; automotive networks

Abstract
This paper discusses network-wide energy optimization of embedded systems which can adapt by switching configurations. We model applications and their task chains in a network of embedded devices, including sleep modes and change of configuration, which provides a basic adaptation mechanism. We present a formal model of the energy consumption for such systems and apply it to automotive embedded systems. In particular, we develop new potential for network-wide energy savings as well as optimizations for adaptive systems. For instance, we show that non-optimal configurations may lead to a globally optimal system setup, if a system adapts regularly.

: http://publica.fraunhofer.de/documents/N-297798.html