2 papers
math.NA2025
Quasicyclic Principal Component Analysis
Susanna E. Rumsey, Stark C. Draper, Frank R. Kschischang
We present quasicyclic principal component analysis (QPCA), a generalization of principal component analysis (PCA), that determines an optimized basis for a dataset in terms of fam…
cs.IT2024
Soft Demapping of Spherical Codes from Cartesian Powers of PAM Constellations
Reza Rafie Borujeny, Susanna E. Rumsey, Stark C. Draper +1
For applications in concatenated coding for optical communications systems, we examine soft-demapping of short spherical codes constructed as constant-energy shells of the Cartesia…