A Scalable VLSI Architecture for Soft-Input Soft-Output Single Tree-Search Sphere Decoding

Abstract

Multiple-input multiple-output (MIMO) wireless transmission imposes huge challenges on the design of efficient hardware architectures for iterative receivers. A major challenge is soft-input soft-output (SISO) MIMO demapping, often approached by sphere decoding (SD). In this brief, we introduce-to our best knowledge-the first VLSI architecture for SISO SD… (More)
DOI: 10.1109/TCSII.2010.2056014

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