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Table 3 Statistic results on the noise levels of GPS, GLONASS, Galileo, and BDS dual-frequency carrier phase measurements of the experimental smartphones in the vehicle-roof mode and dashboard mode by using the triple difference method

From: Real-time GNSS precise point positioning with smartphones for vehicle navigation

Frequency

GNSS

Carrier phase noise level in cycles

Vehicle-roof mode

Dashboard mode

Mate30

P40

Mate30

P40

A

B

A

B

A

B

A

B

Band 1

GPS

0.22

0.21

0.17

0.17

0.22

0.19

0.18

0.19

GLONASS

0.24

0.17

0.21

0.18

0.22

0.20

0.20

0.21

Galileo

0.25

0.26

0.20

0.19

0.28

0.30

0.26

0.26

BDS

0.21

0.21

0.15

0.18

0.21

0.21

0.18

0.19

Band 2

GPS

0.21

0.22

0.14

0.15

0.22

0.21

0.20

0.19

Galileo

0.24

0.23

0.24

0.23

0.32

0.33

0.28

0.32