5[1]Rao,K.V.S.An overview of backscattered radio frequency identification system(RFID).Microwave Conference,1999 Asia Pacific,Volume:3,1999,Page(s):746-749vol.3.
6[2]Mawhinney D,Microwave tag identification systems.RCA Rev,1983,44,589-610.
7Evan Welbourne et. al., Building the internet of things using RFID[J]. IEEE Internet Computing, May 2009.
8Arezou Keshavarz et. al,Distributed vision-based reasoning for smart home care [C].In Adjunct Proc. of 3rd Int. Conf. on Pervasive Computing, May 2005.
