# A Secure and Robust Frequency and Time Diversity Aided OFDM–DCSK Modulation System Not Requiring Channel State Information

> Research article (IEEE Transactions on Communications, 2019) · cited 45× · AI/ML

**Wikidata**: [openalex:W2987861621](https://www.wikidata.org/wiki/openalex:W2987861621)  
**Source**: https://4ort.xyz/entity/a-secure-and-robust-frequency-and-time-diversity-aided-ofdmdcsk-modulation-system-not-requiring-channel-state-informatio