中文摘要：

Kan Baoqiang was born in 1980. He received the B. S., and M. S. degrees in microelectronics from Air Force Engineering University, in 2002 and 2005, respectively. Since 2005, he has been a Ph. D. candidate in the same university. His current researchinterests include wireless sensor network, low power circuit design and modern circuit theory. E-mail： bqkan@163.com Cai Li was born in 1959. She is a professor at Air Force Engineering University. Her main research interests are SET and modern circuit theory. Zhu Hongsong was born in 1973. He has been a Ph. D. candidate in Institute of Computing Technology （ICT） of CAS. His current research interests include wireless sensor network and IpV6. Xu Yongjun was born in 1979. He has been an assistant professor of Institute of Computing Technology （ICT）, CAS. His main research interests include wireless sensor network and low power circuit design.