Andres D. Garcia-Garcia

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This article presents a complexity and delay analysis of Parallel Sorting Algorithms (PSA) in K-best Sphere-Decoder (K-best SD) receivers in slow-flat Rayleigh fading channels for MIMO (Multiple-Input Multiple-Output) systems. The K-best SD algorithm is a strategic Near-Optimal Spatial-Multiplexing MIMO (SM-MIMO) demodulation solution (due to its trade-off(More)
This article presents a VLSI architecture for the K-best Sphere-Decoder (K-best SD) algorithm as a hard-output detector in the context of SM-MIMO (Spatial Multiplexing Multiple-Input Multiple-Output) systems immersed in Rayleigh fading channels. The design and implementation of its corresponding data-path and control-path components over FPGA devices are(More)
This article presents a VLSI (Very Large Scale of Integration) architecture for the QR decomposition (QRD) based on the Modified Complex Givens Rotations (MCGR) algorithm. Being the QRD a fundamental matrix-computation tool for factorizing matrices (matrix decomposition), its vast set of applications is extended to solve several engineering problems in many(More)
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