| 摘要 |
The invention relates to a method for estimating the integrity risk in a satellite navigation system, in which a plurality of data (SISA, SISMA) relevant to the integrity of the satellite navigation system are broadcast to user systems via satellites by means of navigation signals, the data being used by a user system to estimate the integrity risk (R v) in that the maximum of an integral function is found to determine the integrity risk, by: - forming intervals of the integration variable of the integral function (S10), - estimating the maximum of the integrity risk for each interval formed (S12), and - using the maxima estimated for each interval formed to find the maximum over all of the intervals as the estimate of the integrity risk (S14).
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