... 0.0007(24,24,24) 6 .58 4 3.9E-0 05 ( 25, 25, 25) 6.080 2.7E-0 05 (16,19, 25) 5. 590 0.0009( 15, 20, 25) 5. 634 0.00 05 ( 15, 19, 25) 5. 650 0.0011( 15, 18, 25) 5. 674 0.0012Table 1. The experimental results after the random ... −1M∑j=1| xR,j−xk,j|2. (23)196 Advanced Radio Frequency Identification Design and Applications estimation error of (16,19, 25) case with respect to ( 25, 25, 25) is about 8%. Moreover, it can savethe ... power from 15dBm to 30dBm. The antenna was8cm×8cm ceramic antenna and faced down to the floor at the 10cm above the floor.198 Advanced Radio Frequency Identification Design and Applications (a)...