424 citations · 493 across the 18 of their papers we have counts for
20 papers
RIS-assisted Multiuser MISO Transmission and the Impact of Imperfect Channel Estimation
Ainna Yue Moreno-Locubiche, Josep Vidal, Antonio Pascual-Iserte +1
This paper proposes the joint design of reconfigurable intelligent surfaces (RIS) and zero-forcing (ZF) precoding for the downlink (DL) multiuser multiple-input single-output (MU-M…
Robust Design of Reconfigurable Intelligent Surfaces for Parameter Estimation in MTC
Sergi Liesegang, Antonio Pascual-Iserte, Olga Muñoz
This paper introduces a reconfigurable intelligent surface (RIS) to support parameter estimation in machine-type communications (MTC). We focus on a network where single-antenna se…
Design of RIS-aided mMTC+ Networks for Rate Maximization under the Finite Blocklength Regime with Imperfect Channel Knowledge
Sergi Liesegang, Antonio Pascual-Iserte, Olga Muñoz +1
Within the context of massive machine-type communications+, reconfigurable intelligent surfaces (RISs) represent a promising technology to boost system performance in scenarios wit…
Rate Optimization for RIS-Aided mMTC Networks in the Finite Blocklength Regime
Sergi Liesegang, Alessio Zappone, Olga Muñoz +1
Reconfigurable intelligent surfaces (RISs) have become a promising candidate for the development of future mobile systems. In the context of massive machine-type communications (mM…
Approximations of the Aggregated Interference Statistics for Outage Analysis in Massive MTC
Sergi Liesegang, Antonio Pascual-Iserte, Olga Muñoz
This paper presents several analytic closed-form approximations of the aggregated interference statistics within the framework of uplink massive machine-type communications (mMTC),…
Entropy-Based Sensing Schemes for Energy Efficiency in Massive MTC
Sergi Liesegang, Antonio Pascual-Iserte, Olga Muñoz
Machine-type communications (MTC) are crucial in the evolution of mobile communication systems. Within this context, we distinguish the so-called massive MTC (mMTC), where a large…
Sensor Selection and Distributed Quantization for Energy Efficiency in Massive MTC
Sergi Liesegang, Olga Muñoz, Antonio Pascual-Iserte
This paper presents an estimation approach within the framework of uplink massive machine-type communications (mMTC) that considers the energy limitations of the devices. We focus…
User Grouping and Resource Allocation in Multiuser MIMO Systems under SWIPT
Javier Rubio, Antonio Pascual-Iserte
This paper considers a broadcast multiple-input multiple-output (MIMO) network with multiple users and simultaneous wireless information and power transfer (SWIPT). In this scenari…
A Tractable Closed-Form Approximation of the Ergodic Rate in Poisson Cellular Networks
Alexis I. Aravanis, Thanh Tu Lam, Olga Muñoz +2
The employment of stochastic geometry for the analysis and design of ultra dense networks (UDNs) has provided significant insights into network densification. In addition to the ch…
Robust Precoding for Multi-User Visible Light Communications with Quantized Channel Information
Olga Muñoz, Antonio Pascual-Iserte, Guillermo San Arranz
In this paper, we address the design of multi-user multiple-input single-output (MU-MISO) precoders for indoor visible light communication (VLC) systems. The goal is to minimize th…
Effect of Correlated Building Blockages on the Ergodic Capacity of mmWave Systems in Urban Scenarios
Cristian García Ruiz, Olga Muñoz, Antonio Pascual-Iserte
The mmWave bands, considered to support the forthcoming generation of mobile communications technologies, have a well-known vulnerability to blockages. Recent works in the literatu…
Analysis of Blocking in mmWave Cellular Systems: Characterization of the LOS and NLOS Intervals in Urban Scenarios
Cristian García Ruiz, Antonio Pascual-Iserte, Olga Muñoz-Medina
In the millimeter waves (mmWave) bands considered for 5G and beyond, the use of very high frequencies results in the interruption of communication whenever there is no line of sigh…
LOS/NLOS Estimators for mmWave Cellular Systems With Blockages
Tomàs Ortega, Antonio Pascual-Iserte, Olga Muñoz
Designers of millimeter wave (mmWave) cellular systems need to evaluate line-of-sight (LOS) maps to provide good service to users in urban scenarios. In this letter, we derive esti…
Stochastic Geometry Analysis and Design of Wireless Powered MTC Networks
Sergi Liesegang, Olga Muñoz-Medina, Antonio Pascual-Iserte
Machine-type-communications (MTC) are being crucial in the development of next generation mobile networks. Given that MTC devices are usually battery constrained, wireless power tr…
Analysis of Blocking in mmWave Cellular Systems: Application to Relay Positioning
Cristian García Ruiz, Antonio Pascual-Iserte, Olga Muñoz
Within the framework of 5G, blockage effects occurring in the mmWave band are critical. Previous works describe the effects of blockages in isolated and multiple links for simple b…
Efficient use of paired spectrum bands through TDD small cell deployments
A. Agustin, S. Lagen, J. Vidal +4
Traditionally, wireless cellular systems have been designed to operate in Frequency Division Duplexing (FDD) paired bands that allocates the same amount of spectrum for both downli…
Analysis of Downlink and Uplink Decoupling in Dense Cellular Networks
Alexis I. Aravanis, Olga Munoz, Antonio Pascual-Iserte +1
Decoupling uplink (UL) and downlink (DL) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Building upon this para…
Joint Optimization of Power and Data Transfer in Multiuser MIMO Systems
Javier Rubio, Antonio Pascual-Iserte, Daniel P. Palomar +1
We present an approach to solve the nonconvex optimization problem that arises when designing the transmit covariance matrices in multiuser multiple-input multiple-output (MIMO) br…
A Stochastic Approach for Resource Allocation with Backhaul and Energy Harvesting Constraints
Javier Rubio, Olga Muñoz, Antonio Pascual-Iserte
We propose a novel stochastic radio resource allocation strategy that achieves long-term fairness considering backhaul and air-interface capacity limitations. The base station is c…
Optimization of Radio and Computational Resources for Energy Efficiency in Latency-Constrained Application Offloading
Olga Muñoz, Antonio Pascual-Iserte, Josep Vidal
Providing femto-access points (FAPs) with computational capabilities will allow (either total or partial) offloading of highly demanding applications from smart-phones to the so ca…