A Supply-Rail-Coupled eTextiles Transceiver for Body-Area Networks

Mercier P. P.; Chandrakasan A. P.

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A Supply-Rail-Coupled eTextiles Transceiver for Body-Area Networks

机译：A Supply-Rail-Coupled eTextiles Transceiver for Body-Area Networks

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摘要

This paper presents a transceiver that communicates over electronic textiles as an alternative, energy-efficient communication medium for body-area network (BAN) applications. The proposed eTextiles network architecture consists of a two-wire conductive yarn medium, body-worn nodes, and a basestation used for data collection and medium-access control. Fabricated in 0.18 $mu$m CMOS technology, the eTextiles transceiver employs supply-rail-coupled differential signaling to efficiently time-share the eTextiles medium between communication and remote charging activities. Remote charging achieves up to 96% power transfer efficiency when a basestation battery is used to charge remote ultra capacitors, which are used as the power supplies of body-worn nodes. Operating at 0.9 V and at 10 Mb/s, the receiver and transmitter front-ends together consume 3.2 pJ/bit over 1 m, which is at least 20X more efficient than conventional BAN receiver front-ends. The transceiver also contains an integrated digital baseband and medium access controller, which, together with the receiver front-end, consume 110 $mu$W during continuous operation.

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来源
《IEEE Journal of Solid-State Circuits》 |2011年第6期|1284-1295|共12页
作者
Mercier P. P.; Chandrakasan A. P.;
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作者单位

Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
BAN; PAN; body-area networks; conductive fabrics; eTexiltes; electronic textiles; personal area networks; power line communication; supply-rail coupled; transceiver;

A Supply-Rail-Coupled eTextiles Transceiver for Body-Area Networks

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