Modified Least Squares Algorithm for Three-Dimensional Target Location Based on Wireless Communication Base Stations

Table 2

Target 3D location results for Test data 1.

Estimated coordinate			Actual coordinate			Localization error
X-Axis	Y-Axis	Z-Axis	X-Axis	Y-Axis	Z-Axis
−21.27	4.72	1.75	−21.19	4.48	1.48	0.37
−81.05	58.34	1.66	−81.14	58.24	1.38	0.31
−95.58	−214.56	2.02	−96.13	−215.22	1.02	1.32
−295.03	−19.88	2.29	−296.06	−20.15	1.59	1.27
86.02	−110.58	1.9	86.29	−111.06	1.66	0.60
−31.23	244.3	1.86	−31.26	244.68	1.3	0.68
−285.74	−38.41	1.66	−286.47	−38.75	1.73	0.81
318.41	−169.45	2.07	319.3	−170.11	1.03	1.52
−37.4	272.96	1.84	−37.4	273.59	1.73	0.64
254.9	66.62	2.03	255.34	66.63	1.21	0.93
104.39	203.19	1.95	104.46	203.54	1.95	0.36
−120.27	92.22	1.69	−120.39	92.32	1.72	0.16
114.4	198.18	2.05	114.52	198.68	1.33	0.88
−314.63	−69.95	2.41	−315.97	−70.5	1.36	1.79
−257.3	45.67	1.79	−257.8	45.43	1.32	0.73
−18.19	−30.69	2.1	−18.52	−30.78	1.57	0.63
−312.91	17.15	1.69	−313.79	16.87	1.63	0.93
272.22	267.81	1.75	274.89	268.5	1.34	2.79
−301.54	−281.56	2.42	−302.82	−282.68	1.23	2.08
−319.33	10.05	1.63	−320.15	10.09	1.81	0.84