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Body channel communication for low energy BSN/BAN

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2 Author(s)
Hoi-Jun Yoo ; Dept. of EECS, KAIST, 373-1, Guseong-dong, Yuseong-gu, Daejeon, 305-701, Republic of Korea ; Namjun Cho

Body sensor network and body area network are very attractive as the communication solution to the ubiquitous healthcare systems, portable audio/video systems, and interactive entertainment systems. Body channel communication, using the human body as the signal transmission medium, can achieve high speed communication with low energy consumption compared with the WPAN based solutions such as Zigbee, UWB and RFID. The electrical and RF characteristics of the human body will be examined and the equivalent circuit model is obtained on the bases of the measurement results. The circuits and system for the point-to-point communication with 2 Mb/s speed will be introduced with the MP3 music playing as an example. For the 1-to-N communication, the CDMA is adopted to the body channel communication, and 10 Mb/s speed circuits and system will be explained. For the robust operation of the BAN/BSN applications, an algorithm to avoid external interferences will be discussed and its implementation results will be explained in detail.

Published in:

Circuits and Systems, 2008. APCCAS 2008. IEEE Asia Pacific Conference on

Date of Conference:

Nov. 30 2008-Dec. 3 2008