Reduced Complexity MMSE Detection for BLAST Architectures

Authors: R. Böhnke, D. Wübben, V. Kühn, K.-D. Kammeyer
Abstract: Theoretical and experimental studies have shown that layered space-time architectures like the BLAST system can exploit the capacity advantage of multiple antenna systems in rich-scattering environments. In this paper, we present a new efficient algorithm for detecting such architectures with respect to the MMSE criterion. This algorithm utilizes a sorted QR decomposition of the channel matrix and leads to a simple successive detection structure. The algorithm needs only a fraction of computational effort compared to the standard V-BLAST algorithm and achieves the same bit error performance.
Document type: Conference Paper
Publication: San Francisco, California, USA, 1. - 5. December 2003
Conference: IEEE 2003 Global Telecommunications Conference (Globecom 2003)
Index: 170
Globecom_2003_boehnke.pdf252 KBGlobecom_2003_boehnke.ps316 KB
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