Evolution of Integrity Concept – From Galileo to Multisystem - Global Navigation Satellite Systems: Signal,Theory and Applications - page 100

10 x 1 0 -9

Integri t y Risk

9

8

Alarms=38

7

6

5

4

3

IR Threshold

2

1

0

0 200 400 600 800 1000 1200 1400 1600 1800 2000

Time [s]

Fig. 12. IR algorithm combined constellation and bias on SISA and SISMA, satellites Galileo
PRN15 and PRN22

x 10 -9

Integrity Risk

Alarms=230

10

5

IR Threshold

0

0 200 400 600 800 1000 1200 1400 1600 1800 2000

Time [s]

Fig. 13. Galileo IR algorithm and bias on SISA and SISMA, satellites Galileo PRN15 and
PRN22