Seung-Hak Rhee Jong-An Park Jong-Hun Chun Sensitivity Improvement of the Receiver Module in the Passive Tag Based RFID Reader. 13-22 2007 conf/uic/2007 UIC http://dx.doi.org/10.1007/978-3-540-73549-6_2 db/conf/uic/uic2007.html#RheePC07