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Robust design for linear non-regenerative MIMO relays with imperfect channel state information

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Authors
Rong, Yue
Date
2011
Type
Journal Article

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Rong, Yue. 2011. Robust design for linear non-regenerative MIMO relays with imperfect channel state information. IEEE Transactions on Signal Processing. 59 (5): pp. 2455-2460.
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IEEE Transactions on Signal Processing
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Department of Electrical and Computer Engineering
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© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Abstract

In this paper, we address statistically robust multiple-input multiple-output (MIMO) relay design problems under two imperfect channel state information (CSI) scenarios: (1) All nodes have imperfect CSI; (2) The destination node knows the exact CSI, while the other nodes have imperfect CSI. For each scenario, we develop robust source and relay matrices by considering a broad class of frequently used objective functions in MIMO system design and the averaged transmission power constraints. Simulation results demonstrate the improved robustness of the proposed algorithms against CSI errors.