# Low complexity DOA estimation using AMP with unitary transformation and iterative refinement

> Research article (Digital Signal Processing, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3041113865](https://www.wikidata.org/wiki/openalex:W3041113865)  
**Source**: https://4ort.xyz/entity/low-complexity-doa-estimation-using-amp-with-unitary-transformation-and-iterative-refinement