Aiming at the current status of BDS release of integrity indicators, this paper studies and proposes modeling and qualitative analysis methods for BDS Signal-In-Space(SIS) integrity indicators, which can be used for the allocation and prediction of integrity indicators during system development and construction; The BDS basic navigation service (RNSS) space signal integrity parameter design has proposed a quantitative evaluation method, which can be used for the integrity index test evaluation of the system operation phase. The test results show that the integrity of the new signal of the BDS is 100%.

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