164 citations · 821 across the 83 of their papers we have counts for
20 papers · 1 filter
6G Resilience -- White Paper
Hirley Alves, Nurul H. Mahmood, Onel L. A. López +36
6G must be designed to withstand, adapt to, and evolve amid prolonged, complex disruptions. Mobile networks' shift from efficiency-first to sustainability-aware has motivated this…
On the Spectral Efficiency of Movable and Rotary Antenna Arrays under Rician Fading
Eduardo Noboro Tominaga, Onel Luis Alcaraz López, Tommy Svensson +2
Most works evaluating the performance of Multi-User Multiple-Input Multiple-Output (MU-MIMO) systems consider Access Points (APs) with fixed antennas, that is, without any movement…
Distributed MIMO Networks with Rotary ULAs for Indoor Scenarios under Rician Fading
Eduardo Noboro Tominaga, Onel Luis Alcaraz López, Tommy Svensson +2
The Fifth-Generation (5G) wireless communications networks introduced native support for Machine-Type Communications (MTC) use cases. Nevertheless, current 5G networks cannot fully…
Joint Activity Detection and Channel Estimation for Clustered Massive Machine Type Communications
Leatile Marata, Onel Luis Alcaraz López, Andreas Hauptmann +2
Compressed sensing multi-user detection (CS-MUD) algorithms play a key role in optimizing grant-free (GF) non-orthogonal multiple access (NOMA) for massive machine-type communicati…
Multi-UAV Path Learning for Age and Power Optimization in IoT with UAV Battery Recharge
Eslam Eldeeb, Jean Michel de Souza Sant'Ana, Dian Echevarría Pérez +3
In many emerging Internet of Things (IoT) applications, the freshness of the is an important design criterion. Age of Information (AoI) quantifies the freshness of the received inf…
Joint Coherent and Non-Coherent Detection and Decoding Techniques for Heterogeneous Networks
Leatile Marata, Onel Luis Alcaraz López, Hamza Djelouat +3
Cellular networks that are traditionally designed for human-type communication (HTC) have the potential to provide cost effective connectivity to machine-type communication (MTC).…
Energy-Efficient Wake-Up Signalling for Machine-Type Devices Based on Traffic-Aware Long-Short Term Memory Prediction
David E. Ruíz-Guirola, Carlos A. Rodríguez-López, Samuel Montejo-Sánchez +3
Reducing energy consumption is a pressing issue in low-power machine-type communication (MTC) networks. In this regard, the Wake-up Signal (WuS) technology, which aims to minimize…
Statistical Analysis of Received Signal Strength in Industrial IoT Distributed Massive MIMO Systems
Eduardo Noboro Tominaga, Onel Luiz Alcaraz López, Richard Demo Souza +1
The Fifth Generation (5G) of wireless networks introduced native support for Machine-Type Communication (MTC), which is a key enabler for the Internet of Things (IoT) revolution. C…
User Activity Detection and Channel Estimation of Spatially Correlated Channels via AMP in Massive MTC
Hamza Djelouat, Leatile Marata, Markus Leinonen +2
This paper addresses the problem of joint user identification and channel estimation (JUICE) for grant-free access in massive machine-type communications (mMTC). We consider the JU…
Massive Wireless Energy Transfer with Statistical CSI Beamforming
Francisco A. Monteiro, Onel L. A. López, Hirley Alves
Wireless energy transfer (WET) is a promising solution to enable massive machine-type communications (mMTC) with low-complexity and low-powered wireless devices. Given the energy r…
Joint Channel Estimation and Device Activity Detection in Heterogeneous Networks
Leatile Marata, Onel Luis Alcaraz López, Eduardo Noboro Tominaga +1
Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generati…
On the SIR Meta Distribution in Massive MTCNetworks with Scheduling and Data Aggregation
Nelson J. Mayedo Rodríguez, Onel L. Alcaraz López, Hirley Alves +1
Data aggregation is an efficient approach to handle the congestion introduced by a massive number of machine type devices (MTDs). The aggregators not only collect data but also imp…
Network Slicing for eMBB and mMTC with NOMA and Space Diversity Reception
Eduardo Noboro Tominaga, Hirley Alves, Onel Luiz Alcaraz López +3
In this work we study the coexistence in the same Radio Access Network (RAN) of two generic services present in the Fifth Generation (5G) of wireless communication systems: enhance…
Non-Orthogonal Multiple Access and Network Slicing: Scalable Coexistence of eMBB and URLLC
Eduardo Noboro Tominaga, Hirley Alves, Richard Demo Souza +2
The 5G systems will feature three generic services: enhanced Mobile BroadBand (eMBB), massive Machine-Type Communications (mMTC) and Ultra-Reliable and Low-Latency Communications (…
On the Optimal Deployment of Power Beacons for Massive Wireless Energy Transfer
Osmel Martínez Rosabal, Onel L. Alcaraz López, Hirley Alves +2
Wireless energy transfer (WET) is emerging as an enabling green technology for Internet of Things (IoT) networks. WET allows the IoT devices to wirelessly recharge their batteries…
Three-layer Approach to Detect Anomalies in Industrial Environments based on Machine Learning
Daniel Gutierrez-Rojas, Mehar Ullah, Ioannis T. Christou +8
This paper introduces a general approach to design a tailored solution to detect rare events in different industrial applications based on Internet of Things (IoT) networks and mac…
On CSI-free Multi-Antenna Schemes for Massive RF Wireless Energy Transfer
Onel L. A. López, Samuel Montejo-Sánchez, Richard D. Souza +2
Wireless Energy Transfer (WET) is emerging as a potential green enabler for massive Internet of Things (IoT). Herein, we analyze Channel State Information (CSI)-free multi-antenna…
On the Secrecy Performance and Power Allocation in Relaying Networks with Untrusted Relay in the Partial Secrecy Regime
Diana P. M. Osorio, Hirley Alves, Edgar E. B. Olivo
Recently, three useful secrecy metrics based on the partial secrecy regime were proposed to analyze secure transmissions on wireless systems over quasi-static fading channels, name…
Optimum LoRaWAN Configuration Under Wi-SUN Interference
Arliones Hoeller-Jr., Richard Demo Souza, Hirley Alves +3
Smart Utility Networks (SUN) rely on the Wireless-SUN (Wi-SUN) specification for years. Recently practitioners and researchers have considered Low-Power Wide-Area Networks (LPWAN)…
Long-range Low-power Wireless Networks and Sampling Strategies in Electricity Metering
Mauricio C. Tomé, Pedro H. J. Nardelli, Hirley Alves
This paper studies a specific low-power wireless technology capable of reaching a long range, namely LoRa. Such a technology can be used by different applications in cities involvi…