collaborators

4 papers

eess.SP2025

Outage Analysis of TAS-NOMA Systems With Multi-Antenna Users Over α-μ Fading

Fernando D. Almeida García, Maria C. Luna Alvarado, Lenin P. Jiménez Jiménez +5

This paper analyzes the outage performance of downlink NOMA systems with transmit antenna selection (TAS) and multi-antenna users over α-μ fading. Maximal-ratio combining (MRC) a…

cs.IT2025

Exploring Spatial Flexibility and Phase Design in Fluid Reconfigurable Intelligent Surfaces: A Physical Layer Security Perspective

J. D. Vega-Sánchez, V. H. Garzón Pacheco, N. V. Orozco Garzón +2

This work examines the secrecy outage probability (SOP) in Fluid Reconfigurable Intelligent Surfaces (FRIS) and contrasts their performance against two alternative RIS architecture…

cs.IT2025

Understanding the Role of Phase and Position Design in Fluid Reconfigurable Intelligent Surfaces

J. D. Vega-Sánchez, V. H. Garzón Pacheco, N. V. Orozco Garzón +2

Fluid Reconfigurable Intelligent Surfaces (FRISs) are gaining momentum as an improved alternative over classical RIS. However, it remains unclear whether their performance gains ca…

cs.IT2024

Reliable and Secure Communications Through Compact Ultra-Massive Antenna Arrays

José David Vega-Sánchez, Henry Ramiro Carvajal Mora, Nathaly Verónica Orozco Garzón +1

Compact Ultramassive Antenna Array (CUMA) is a pioneering paradigm that leverages the flexibility of the Fluid Antenna System (FAS) to enable a simple multiple access scheme for ma…