A Unified Framework for GPS Code and Carrier-Phase Multipath Mitigation Using Support Vector Regression

Table 2

Standard deviation (m) of noise before and after correction applied with CSF and SVR estimators.

PRN	Original	CSF corrected	SVR corrected
02	1.4927	0.9992 (33.06%)	0.3671 (75.41%)
03	1.1479	0.6741 (41.28%)	0.2478 (78.41%)
04	1.4009	0.8913 (36.38%)	0.2201 (84.29%)
05	1.2474	0.7722 (38.10%)	0.2325 (81.36%)
06	1.3194	0.6957 (47.28%)	0.2946 (77.67%)
07	1.2561	0.8768 (30.20%)	0.2711 (78.42%)
08	1.2806	0.8680 (32.22%)	0.2409 (81.19%)
09	1.3406	0.7955 (40.66%)	0.3599 (73.15%)
10	1.2084	0.7954 (34.18%)	0.2193 (81.85%)
11	1.4290	0.9993 (30.07%)	0.2995 (79.04%)
12	1.4813	0.9943 (32.87%)	0.2509 (83.06%)
13	1.5451	0.9960 (35.54%)	0.4969 (67.84%)
14	1.4514	0.8575 (40.92%)	0.2880 (80.16%)
15	1.3496	0.9539 (29.32%)	0.3034 (77.52%)
16	1.2200	0.7730 (36.64%)	0.3902 (68.01%)
17	1.4946	0.9515 (36.34%)	0.2763 (81.51%)
18	1.7889	1.1555 (35.40%)	0.3425 (80.85%)
19	1.1336	0.6832 (39.73%)	0.2506 (77.90%)
20	1.3501	0.8263 (38.80%)	0.2020 (85.04%)
21	1.1886	0.7329 (38.34%)	0.3492 (70.62%)
22	1.2568	0.8065 (35.83%)	0.3058 (75.67%)
23	1.2730	0.8483 (33.36%)	0.3378 (73.47%)
24	1.4779	0.9000 (39.11%)	0.1706 (88.46%)
25	1.4986	0.9260 (38.21%)	0.2914 (80.55%)
26	1.4292	0.9721 (31.99%)	0.2940 (79.43%)
27	1.9437	1.1705 (39.78%)	0.2504 (87.12%)
28	1.2519	0.8063 (35.59%)	0.2662 (78.74%)
29	1.6434	1.0105 (38.51%)	0.5116 (68.87%)
30	1.3446	0.8137 (39.48%)	0.1207 (91.02%)
31	1.3725	0.8317 (39.40%)	0.2569 (81.28%)
32	1.3985	0.8607 (38.46%)	0.2675 (80.87%)
Average reduction		36.68%	78.99%