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Maximum mutual information design for amplify-and-forward multi-hop MIMO relaying systems under channel uncertainties | IEEE Conference Publication | IEEE Xplore

Maximum mutual information design for amplify-and-forward multi-hop MIMO relaying systems under channel uncertainties


Abstract:

In this paper, we investigate maximum mutual information design for multi-hop amplify-and-forward (AF) multiple-input multiple-out (MIMO) relaying systems with imperfect ...Show More

Abstract:

In this paper, we investigate maximum mutual information design for multi-hop amplify-and-forward (AF) multiple-input multiple-out (MIMO) relaying systems with imperfect channel state information, i.e., Gaussian distributed channel estimation errors. The robust design is formulated as a matrix-variate optimization problem. Exploiting the elegant properties of Majorization theory and matrix-variate functions, the optimal structures of the forwarding matrices at the relays and precoding matrix at the source are derived. Based on the derived structures, a water-filling solution is proposed to solve the remaining unknown variables.
Date of Conference: 01-04 April 2012
Date Added to IEEE Xplore: 11 June 2012
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Conference Location: Paris, France

References

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