Ultra-low-power circuit techniques for mm-size wireless sensor nodes with energy harvesting

IEICE Electronics Express

Kenichi Matsunaga¹  Shoichi Oshima¹  Hiroki Morimura¹  Mitsuru Harada²  Toshishige Shimamura³ 

[1] NTT Device Technology Laboratories;NTT Network Innovation Laboratories;NTT Intellectual Property Center

关键词: wireless sensor node;    low power;    sensing circuit;    power management;    RF transmitter;    energy harvesting;    MEMS;   

DOI  :  10.1587/elex.11.20142009

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(43)Cited-By(2)This paper describes circuit techniques for energy-harvesting technology in millimeter-size ultra-low-power batteryless wireless sensor nodes as a front end for BigData, IoT, M2M, and ambient intelligence. Power generated by energy harvester becomes as small as the nanowatt level when the size of a sensor node becomes millimeter-size. First, technical trends in low-power circuits and the portfolio of energy harvesting and circuit technology are discussed from the viewpoints of technical and application issues. Then, circuit techniques for nanowatt level wireless sensor nodes �? a zero-power vibration sensing circuit, power management with MEMS switch, and an intermitted RF transmitter �? are explained.

【 授权许可】

Unknown