Research Article

Neighborhood Kalman Estimation for Distributed Localization in Wireless Sensor Networks

Table 1

Comparison results of accuracy for the CNKF and AFL algorithms.

Conditions MLE (m) GER (%)
(m) AFL CNKF Enhanced AFL CNKF Enhanced

15 ≈7 0.040 0.020 50% 0.15 0.05 67%
20 ≈10 0.035 0.015 57% 0.15 0.05 67%
25 ≈15 0.035 0.015 57% 0.15 0.05 67%
30 ≈20 0.040 0.015 63% 0.20 0.05 75%
35 ≈27 0.045 0.015 67% 0.25 0.05 80%
40 ≈35 0.050 0.015 70% 0.25 0.05 80%

: communication radius.
: average connectivity.