# Optimal Source and Relay Design for Multiuser MIMO AF Relay Communication Systems With Direct Links and Imperfect Channel Information

> Research article (IEEE Transactions on Wireless Communications, 2015) · cited 18× · AI/ML

**Wikidata**: [openalex:W2294349142](https://www.wikidata.org/wiki/openalex:W2294349142)  
**Source**: https://4ort.xyz/entity/optimal-source-and-relay-design-for-multiuser-mimo-af-relay-communication-systems-with-direct-links-and-imperfect-channe