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Detection techniques for MIMO spatial multiplexing systems
Authors:D. Seethaler Dipl.-Ing.  H. Artés Dipl.-Ing. Dr.  F. Hlawatsch Ao. Univ.-Prof. Dipl.-Ing. Dr.
Affiliation:1. Vienna University of Technology, Institute of Communications and Radio-Frequency Engineering, Gu?hausstra?e 25/389, 1040, Vienna, Austria
2. Stanford University, Information Systems Laboratory, Packard 234, 350 Serra Mall, 94305-9510, Stanford, CA, USA
Abstract:We discuss and compare the most important detection techniques for MIMO spatial multiplexing wireless systems, focusing on their performance and computational complexity. Our analysis shows that the limited performance of conventional suboptimal detection techniques is primarily caused by their inability to cope with poorly conditioned channels. The recently proposed sphere projection algorithm is better suited to these channels and can achieve near-optimal performance.
Keywords:
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