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document type:
congress contribution (original)
title:
On the Convexity of the MSE Region of Single-Antenna Users
authors:
Hunger, Raphael; Joham, Michael
congress title:
Globecom 2008
year:
2008
month:
November
abstract:
We prove convexity of the sum-power constrained mean square error (MSE) region in case of two single-antenna users communicating with a multi-antenna base station. Due to the MSE duality this holds both for the vector broadcast channel and the dual multiple access channel. Increasing the number of users to more than two, we show by means of a simple counter-example that the resulting MSE region is not necessarily convex any longer, even under the assumption of single-antenna users. In conjun...    »
language:
en
TUM-institution:
Associate Institute for Signal Processing
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29.07.2008
last change:
29.07.2008
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