# Joint 2D-DOA and Carrier Frequency Estimation Technique Using Nonlinear Kalman Filters for Cognitive Radio

> Research article (IEEE Access, 2017) · cited 10× · AI/ML

**Wikidata**: [openalex:W2766149316](https://www.wikidata.org/wiki/openalex:W2766149316)  
**Source**: https://4ort.xyz/entity/joint-2d-doa-and-carrier-frequency-estimation-technique-using-nonlinear-kalman-filters-for-cognitive-radio