Linear non-regenerative multicarrier MIMO relay communications based on MMSE criterion

Authors:
Yue Rong
Affiliations:
Department of Electrical and Computer Engineering, Curtin University of Technology, Bentley, WA, Australia
Venue:
IEEE Transactions on Communications
Year:
2010

Citing 6
Cited 0

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Abstract

In this letter we propose linear non-regenerative multicarrier multiple-input multiple-output (MIMO) relay technique that aims to minimize the mean-squared error (MSE) of the signal waveform estimation at the destination. We generalize the existing result on the structure of the optimal relay amplifying matrix by considering the direct source-destination link. To minimize the MSE, a power loading algorithm is developed which has a significantly reduced computational complexity compared with existing techniques.