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Technical Program

Paper Detail

Paper:	SPCOM-L2.3
Session:	Broadcast Channels
Time:	Tuesday, May 16, 17:10 - 17:30
Presentation:	Lecture
Topic:	Signal Processing for Communication: MIMO multi-user and multi-access schemes
Title:	Analysis of the Impact of Channel Estimation Errors on the Decomposition of Multiuser MIMO Channels
Authors:	Pedro Tejera, Wolfgang Utschick, Munich University of Technology (TUM), Germany; Gerhard Bauch, DoCoMo Communications Laboratories, Europe, Germany; Josef Anton Nossek, Munich University of Technology (TUM), Germany
Abstract:	In the work at hand a general procedure to analyze the impact of channel estimation errors on the performance of decomposition techniques for multiuser MIMO channels is presented. In particular, this procedure is applied to a decomposition technique called cooperative zero-forcing with successive encoding and successive allocation method (CZF-SESAM). Based on the analytical expressions resulting from this analysis the transmitter is able to adjust bit and power loading so that in spite of estimation errors transmission quality requirements can still be met.