study of channel characteristics for galvanic-type intra-body communication based on a transfer function from a quasi-static field model为galvanic-type体内通信信道特性的研究基础上从一个准静态场模型传递函数.pdfVIP

Sensors 2012, 12, 16433-16450; doi:10.3390/s121216433 OPEN ACCESS sensors ISSN 1424-8220 /journal/sensors Article Study of Channel Characteristics for Galvanic-Type Intra-Body Communication Based on a Transfer Function from a Quasi-Static Field Model Xi Mei Chen 1, Peng Un Mak 1,2,†,*, Sio Hang Pun 1,3, Yue Ming Gao 2,4, Chan-Tong Lam 5, Mang I. Vai 1,2 and Min Du 2,4 1 Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China 2 Laboratory of Medical Instrumentation and Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China 3 State Key Laboratory of Analog and Mixed-Signal VLSI, Faculty of Science and Technology, University of Macau, Macau 999078, China 4 College of Physics and Telecommunication Engineering, Fuzhou University, Fuzhou 350108, China 5 Macao Polytechnic Institute, Macau 999078, China † Current address: Department of Physiology and Biophysics, University of Colorado, Anschutz Medical Campus, Aurora, CO 80045, USA. * Author to whom correspondence should be addressed; E-Mail: fstpum@umac.mo; Tel.: +853-8397-4276; Fax: +853-8397-4275. Received: 22 October 2012; in revised form: 22 November 2012 / Accepted: 23 November 2012 / Published: 27 November 2012 Abstract: Intra-Body Communication (IBC), which modulates ionic currents over the human body as the communication medium, offers a low power and reliable signal transmission method for information exchange across the body. This paper first briefly review