Haeb-Umbach, R. (1988). A Comparison of Coherent and Differentially Coherent Detection Schemes for Fading Channels. In International Conference on Vehicular Technology, Philadelphia.

Haeb-Umbach, R., &; Meyr, H. (1988). A digital Synchronizer for Linearly Modulated Signals Transmitted over a Frequency-Nonselective Fading Channel. In International Conference on Communications, Philadelphia.

Haeb-Umbach, R., &; Meyr, H. (1987). Optimal Carrier Recovery and Detection on Frequency-Nonselective Fading Channels. In Proc. Symposium on Inf. Theory and Appl. (SITA), Tokio.

Oerder, M., Ascheid, G., Haeb-Umbach, R., &; Meyr, H. (1986). An all digital implementation of a receiver for bandwidth-efficient communication. Signal Processing: Theories and Applications.