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eess.SP2025
Channel Estimation for Downlink Communications Based on Dynamic Metasurface Antennas
Amarilton L. Magalhães, Fazal E-Asim, André L. F. de Almeida +1
Dynamic metasurface antennas (DMAs) are emerging as a promising technology to enable energy-efficient, large array-based multi-antenna systems. This paper presents a simple channel…
eess.SP2025
Least-Squares Khatri-Rao Factorization of a Polynomial Matrix
Faizan A. Khattak, Fazal-E-Asim, Stephan Weiss +1
The Khatri-Rao product is extensively used in array processing, tensor decomposition, and multi-way data analysis. Many applications require a least-squares (LS) Khatri-Rao factori…