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학술지 Wearable Personal Network Based on Fabric Serial Bus Using Electrically Conductive Yarn
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저자
이형선, 박충범, 노경주, 선우존, 최훈, 조일연
발행일
201010
출처
ETRI Journal, v.32 no.5, pp.713-721
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.10.1510.0084
협약과제
09MC2200, u-컴퓨팅 공간 협업을 위한 Wearable Personal Companion 기술개발, 조일연
초록
E-textile technology has earned a great deal of interest in many fields; however, existing wearable network protocols are not optimized for use with conductive yarn. In this paper, some of the basic properties of conductive textiles and requirements on wearable personal area networks (PANs) are reviewed. Then, we present a wearable personal network (WPN), which is a four-layered wearable PAN using bus topology. We have designed the WPN to be a lightweight protocol to work with a variety of microcontrollers. The profile layer is provided to make the application development process easy. The data link layer exchanges frames in a master-slave manner in either the reliable or best-effort mode. The lower part of the data link layer and the physical layer of WPN are made of a fabric serial-bus interface which is capable of measuring bus signal properties and adapting to medium variation. After a formal verification of operation and performances of WPN, we implemented WPN communication modules (WCMs) on small flexible printed circuit boards. In order to demonstrate the behavior of our WPN on a textile, we designed a WPN tutorial shirt prototype using implemented WCMs and conductive yarn. © 2010 ETRI.
키워드
E-textile, Personal area network, Serial bus topology, Wearable computer
KSP 제안 키워드
Basic properties, Best Effort(BE), Communication module, Conductive yarn, Data Link Layer, Electrically conductive, Flexible Printed Circuit, Formal Verification, Master-slave, Personal Area Network, Physical Layer