# Factor Graph Optimization-Based GNSS PPP-RTK: An Alternative Platform to Study Urban GNSS Precise Positioning

> Research article (IEEE Transactions on Aerospace and Electronic Systems, 2024) · cited 13× · AI/ML

**Wikidata**: [openalex:W4391365551](https://www.wikidata.org/wiki/openalex:W4391365551)  
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