Table 4: Estimation of time synchronization error for the entire measurement duration.
(a)

Sensor location (Baicheng)Test 1 (Baicheng) (ms)Test 2 (Baicheng) (ms)Test 3
(Baicheng) (ms)

#3<
#4<
#5< 2
#7<
#8<
#12< < <
#14< 13
#16< 12
#17<

(b)

Sensor location (Wuyuan)Test 4 (Wuyuan) (ms)

#1<
#181
#19<
#22<
#231
#24<