A Distributed Anchor Node Selection Algorithm Based on Error Analysis for Trilateration Localization

Table 1

An example of ill-conditioned equation.

	(x, y)	Actual Distance	Measurement Distance
Anchor 1	(815.83,10.60)	149.220	149.215
Anchor 2	(836.01,13.08)	151.560	151.500
Anchor 3	(869.17,17.28)	160.724	160.761