A non-volatile reconfigurable offloader for wireless sensor nodes

Authors:
Shogo Nakaya;Makoto Miyamura;Noboru Sakimura;Yuichi Nakamura;Tadahiko Sugibayashi
Affiliations:
Green Platform Research Labs., NEC Corp., Kanazawa, Japan;Green Platform Research Labs., NEC Corp., Ibaragi, Japan;Green Platform Research Labs., NEC Corp., Ibaragi, Japan;Green Platform Research Labs., NEC Corp., Kanazawa, Japan;Green Platform Research Labs., NEC Corp., Ibaragi, Japan
Venue:
ACM SIGARCH Computer Architecture News - ACM SIGARCH Computer Architecture News/HEART '12
Year:
2012

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Abstract

Energy saving is currently one of the most important issues in the development of battery-powered wireless sensor nodes (WSNs). We have developed a non-volatile reconfigurable offioader for flexible and highly efficient processing on WSNs that uses NanoBridges (NBs), which are novel non-volatile and reprogrammable switching elements. Non-volatility is essential for the intermittent operation of WSNs due to the requirement of power-on without loading configuration data. We implemented a data compression algorithm on the offioader that reduces energy consumption during data transmission. Simulation results showed that the energy consumption on the offioader was 1121 of that on an ultra-low power cpu.