# A Two-Stage Channel Estimation Algorithm for OTFS in Fractional Doppler Channels

> Research article (IEEE Communications Letters, 2023) · cited 23× · AI/ML

**Wikidata**: [openalex:W4367016224](https://www.wikidata.org/wiki/openalex:W4367016224)  
**Source**: https://4ort.xyz/entity/a-two-stage-channel-estimation-algorithm-for-otfs-in-fractional-doppler-channels