Ramy H. Gohary, Halim Yanikomeroglu. Joint optimization of the transmit covariance and the relay precoder in general Gaussian amplify-and-forward relay channels. In Proceedings of the 2012 IEEE International Symposium on Information Theory, ISIT 2012, Cambridge, MA, USA, July 1-6, 2012. pages 418-422, IEEE, 2012. [doi]
Abstract is missing.