Radio Frequency Signature Correlation Based Speed Estimation for Indoor Positioning. - Mostafa Z. Afgani; Sinan Sinanovic; Karim Khashaba; Harald Haas (J. Commun., 2009)

Hybrid Single/Multi-User MIMO Transmission Based on Implicit Channel Feedback. - Katsutoshi Kusume; Karim Khashaba; Guido Dietl; Wolfgang Utschick (ICC, 2011)

Constrained Optimization of Universal Codebook for MIMO Precoding. - Katsutoshi Kusume; Karim Khashaba; Tetsushi Abe; Wolfgang Utschick (VTC Spring, 2011)