Search Results - "Lopez, Onel L. Alcaraz"

Robust Downlink Multi-Antenna Beamforming with Heterogenous CSI: Enabling eMBB and URLLC Coexistence by Perez, Dian Echevarria, Alcaraz Lopez, Onel L., Alves, Hirley

“…Two of the main problems to achieve ultra-reliable low-latency communications (URLLC) are related to instantaneous channel state information (I-CSI)…”
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Analysis and Performance Optimization of LoRa Networks With Time and Antenna Diversity by Hoeller, Arliones, Souza, Richard Demo, Alcaraz Lopez, Onel L., Alves, Hirley, de Noronha Neto, Mario, Brante, Glauber

“…Low power wide area network (LPWAN) technologies are increasingly catching the attention of the Internet-of-Things market and have brought the need for…”
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Batteryless Machine-Type Communications with Average Channel State Information Energy Beamforming by Scaciota, Rafaela, Alcaraz Lopez, Onel L., Brante, Glauber, Souza, Richard Demo, Mariano, Andre A., Moritz, Guilherme Luiz

“…Machine-type communication (MTC) is a key component in 5G and beyond wireless networks, enabling important applications oriented to the industry. In such…”
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Joint Power Control and Rate Allocation Enabling Ultra-Reliability and Energy Efficiency in SIMO Wireless Networks by Alcaraz Lopez, Onel L., Alves, Hirley, Latva-aho, Matti

“…Coming cellular systems are envisioned to open up to new services with stringent reliability and energy efficiency requirements. In this paper, we focus on the…”
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Energy-Aware Federated Learning With Distributed User Sampling and Multichannel ALOHA by Valente da Silva, Rafael, Lopez, Onel L. Alcaraz, Souza, Richard Demo

“…Distributed learning on edge devices has attracted increased attention with the advent of federated learning (FL). Notably, edge devices often have limited…”
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Rate Control for Wireless-Powered Communication Network With Reliability and Delay Constraints by Alcaraz Lopez, Onel L., Alves, Hirley, Souza, Richard Demo, Montejo-Sanchez, Samuel, Garcia Fernandez, Evelio Martin

“…We consider a two-phase Wireless-Powered Communication Network under Nakagami-m fading, where a wireless energy transfer process first powers a sensor node…”
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Fog-RAN Enabled Multi-Connectivity and Multi-Cell Scheduling Framework for Ultra-Reliable Low Latency Communication by Kharel, Binod, Lopez, Onel L. Alcaraz, Mahmood, Nurul Huda, Alves, Hirley, Latva-Aho, Matti

“…Ultra-Reliable Low Latency Communication (URLLC) is a newly introduced service class targeting emerging Internet-of-Things (IoT) application scenarios. This…”
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Extreme Value Theory-Based Robust Minimum-Power Precoding for URLLC by Echevarria Perez, Dian, Alcaraz Lopez, Onel L., Alves, Hirley

“…Channel state information (CSI) is crucial for achieving ultra-reliable low-latency communication (URLLC) in wireless networks. The main associated problems…”
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Finite Blocklength Error Probability Distribution for Designing Ultra Reliable Low Latency Systems by Lopez, Onel L. Alcaraz, Alves, Hirley, Souza, Richard Demo, Latva-Aho, Matti

“…Future wireless systems are envisioned to support completely new use cases with extremely stringent requirements on both latency and reliability, e.g.,…”
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Optimum LoRaWAN Configuration Under Wi-SUN Interference by Hoeller, Arliones, Souza, Richard Demo, Alves, Hirley, Alcaraz Lopez, Onel L., Montejo-Sanchez, Samuel, Pellenz, Marcelo Eduardo

“…Smart Utility Networks (SUN) rely on the Wireless-SUN (Wi-SUN) specification for years. Recently practitioners and researchers have considered Low-Power…”
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On the SIR Meta Distribution in Massive MTC Networks with Scheduling and Data Aggregation by Mayedo Rodriguez, Nelson J., Alcaraz Lopez, Onel L., Alves, Hirley, Latva-aho, Matti

“…Data aggregation is an efficient approach to handle the congestion introduced by a massive number of machine type devices (MTDs). The aggregators not only…”
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Sustainable RF Wireless Energy Transfer for Massive IoT: Enablers and Challenges by Rosabal, Osmel Martinez, Lopez, Onel L. Alcaraz, Alves, Hirley, Latva-Aho, Matti

“…Reliable energy supply remains a crucial challenge in the Internet of Things (IoT). Although relying on batteries is cost-effective for a few devices, it is…”
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Fitting the Distribution of Linear Combinations of t− Variables with more than 2 Degrees of Freedom by Alcaraz López, Onel L., Garcia Fernández, Evelio M., Latva-aho, Matti

“…The linear combination of Student’s t random variables (RVs) appears in many statistical applications. Unfortunately, the Student’s t distribution is not…”
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Energy-Efficient Analog Beamforming for RF-WET With Charging Time Constraint by Rosabal, Osmel Martinez, Lopez, Onel L. Alcaraz, Alves, Hirley

“…Internet of Things (IoT) sustainability may hinge on radio frequency wireless energy transfer (RF-WET). However, energy-efficient charging strategies are still…”
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Ultrareliable Short-Packet Communications With Wireless Energy Transfer by Lopez, Onel L. Alcaraz, Alves, Hirley, Souza, Richard Demo, Fernandez, Evelio Martin Garcia

“…We analyze and optimize a wireless system with energy transfer in the downlink and information transfer in the uplink, under quasi-static Nakagami-m fading. We…”
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Aggregation and Resource Scheduling in Machine-Type Communication Networks: A Stochastic Geometry Approach by Alcaraz Lopez, Onel L., Alves, Hirley, Juliano Nardelli, Pedro H., Latva-aho, Matti

“…Data aggregation is a promising approach to enable massive machine-type communication. This paper focuses on the aggregation phase where a massive number of…”
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Mission Effective Capacity-A Novel Dependability Metric: A Study Case of Multiconnectivity-Enabled URLLC for IIoT by Muhammad, Irfan, Alves, Hirley, Mahmood, Nurul Huda, Lopez, Onel L. Alcaraz, Latva-aho, Matti

“…Various industrial Internet of Things applications demand execution periods throughout which no communication failure is tolerated. However, the classical…”
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Wireless Powered Communications With Finite Battery and Finite Blocklength by Alcaraz Lopez, Onel L., Garcia Fernandez, Evelio Martin, Demo Souza, Richard, Alves, Hirley

“…We analyze a wireless communication system with finite block length and finite battery energy, under quasi-static Nakagami-m fading. Wireless energy transfer…”
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Latency-Aware Multi-antenna SWIPT System with Battery-Constrained Receivers by Kumar, Dileep, Alcaraz Lopez, Onel L., Joshi, Satya Krishna, Tolli, Antti

“…Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast…”
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Self-Energy Recycling for Low-Power Reliable Networks: Half-Duplex or Full-Duplex? by Perez, Dian Echevarrla, Lopez, Onel L. Alcaraz, Alves, Hirley, Latva-aho, Matti

“…Self-energyrecycling (sER), which allows transmit energy reutilization, has emerged as a viable option for improving the energy efficiency (EE) in low-power…”
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