Efficient Localization based on Imprecise Anchors in RFID System Problem Formulation K《KKK(ggrg容SCRC《KKo 4(y0) 客官GK(rK(((r(e 《*esrres(K《KKK(cro (rK(rrrrrrrrrrrrrrrrrro KKSKERKSKYYKYKSRRRRRRRR product with a RFID tag shelves aisle antenna target(customer) Color ranges Product categories Xiang Lu,Lei Xie,Yafeng Yin,Wei Wang,Baoliu Ye,Sanglu Lu State Key Laboratory for Novel Software Technology,Nanjing University,ChinaProblem Formulation Xiang Lu, Lei Xie, Yafeng Yin, Wei Wang, Baoliu Ye, Sanglu Lu State Key Laboratory for Novel Software Technology, Nanjing University, China Efficient Localization based on Imprecise Anchors in RFID System shelves aisle target (customer) product with a RFID tag antenna Color ranges Product categories