# Untrained DNN for channel estimation of RIS-assisted multi-user OFDM system with hardware impairments

> Research article (University of Oulu Repository (University of Oulu), 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3210194639](https://www.wikidata.org/wiki/openalex:W3210194639)  
**Source**: https://4ort.xyz/entity/untrained-dnn-for-channel-estimation-of-ris-assisted-multi-user-ofdm-system-with-hardware-impairments