# PPP/INS Tight Integration with BDS−3 PPP−B2b Service in the Urban Environment

> Research article (Sensors, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4322629208](https://www.wikidata.org/wiki/openalex:W4322629208)  
**Source**: https://4ort.xyz/entity/ppp-ins-tight-integration-with-bds3-pppb2b-service-in-the-urban-environment