Studies from Realistic Experiments Marginal decreasing effect =10 E30309 安25=■p=20 ■=D=20 ●'p=30 百0.8"p=30 p=40 =40 1.5 t111, o0 0.4 ◆ 三0.5 02 0wa◆-- 24 26 28 30 28 30 Reader power p (dBm) Reader power p (dBm) (g)Width of major detection region (h) The detection probability in major detection regionStudies from Realistic Experiments • Marginal decreasing effect (g) Width of major detection region (h) The detection probability in major detection region