Continuous Scanning with Mobile reader Solution for uniform tag density In regard to various tag densities p, we pre-compute the optimal pairs of (pa, U), and store them in a table When dealing with an arbitrary tag density use the optimal pair of(pw, v*)to achieve the time/energy efficiency LTE⊥P=10p=20 P=30 Pu 30 7dBm 287d Bm 26.7dBm 287dBm 265m/s083m/s029m/s0.15m/s 1.13s 3.6s 10.3 E1326.62J26676J4820.4J14820J P=30 DM 26.7dBm 26.7dBm 247dBm 26.7dBm 1.57m/s0.625m/s0.29m/s0.12m/s 1.91 4.8 10.3 E893.882243.75J3038.5J11700J Table 2: Optimal parameters for time-efficiency (TE and energy-efficiency (EE)Continuous Scanning with Mobile Reader Solution for uniform tag density • In regard to various tag densities ρ, we pre-compute the optimal pairs of , and store them in a table. • When dealing with an arbitrary tag density, use the optimal pair of to achieve the time/energy efficiency