Robust MMSE beamforming for multiantenna relay networks by Kanapathippillai Cumanan, Zhiguo D. Ding, Yogachandran Rahulamathavan, Mehdi M. Molu, Hsiao-Hwa Chen

“…We propose a robust beamforming technique for sum-power minimization problem with imperfect channel state information (CSI) between the relay and the users. …”
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Robust portfolio management with multiple financial analysts by I-Chen

“…This thesis attempts to develop new approaches to improve on the respective performances of the robust counterpart approach by incorporating additional investment information sources, so that the optimal portfolio can be more reliable and, at the same time, achieve a greater return. …”
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