no code implementations • 6 Mar 2024 • Eslam Eldeeb, Mohammad Shehab, Hirley Alves
We propose a convolutional autoencoder (CAE) that performs the semantic encoding of the road traffic signs.
no code implementations • 13 Feb 2024 • Eslam Eldeeb, Houssem Sifaou, Osvaldo Simeone, Mohammad Shehab, Hirley Alves
Digital twin (DT) platforms are increasingly regarded as a promising technology for controlling, optimizing, and monitoring complex engineering systems such as next-generation wireless networks.
no code implementations • 24 Jan 2024 • Eslam Eldeeb, Mohammad Shehab, Hirley Alves
In this paper, we present a novel learning-based framework that estimates the traffic arrival of IoT devices based on Markovian events.
1 code implementation • 9 Nov 2023 • Osmel Martínez Rosabal, Onel L. Alcaraz López, Hirley Alves
Internet of Things (IoT) sustainability may hinge on radio frequency wireless energy transfer (RF-WET).
no code implementations • 3 Nov 2023 • Kaiqiang Lin, Muhammad Asad Ullah, Hirley Alves, Konstantin Mikhaylov, Tong Hao
The integration of subterranean LoRaWAN and non-terrestrial networks (NTN) delivers substantial economic and societal benefits in remote agriculture and disaster rescue operations.
no code implementations • 26 Sep 2023 • Eslam Eldeeb, Mohammad Shehab, Hirley Alves
In this paper, we apply multi-agent deep reinforcement learning to address the high-dimensional problem that results from deploying a swarm of UAVs to collect fresh information from IoT devices.
no code implementations • 4 May 2023 • Leatile Marata, Onel Luis Alcaraz López, Andreas Hauptmann, Hamza Djelouat, Hirley Alves
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 communications (mMTC).
1 code implementation • 26 Apr 2023 • Eslam Eldeeb, Hirley Alves
This paper presents a detailed description of the Smart Campus dataset based on LoRaWAN.
no code implementations • 9 Jan 2023 • Eslam Eldeeb, Jean Michel de Souza Sant'Ana, Dian Echevarría Pérez, Mohammad Shehab, Nurul Huda Mahmood, Hirley Alves
We formulate an optimization problem to jointly plan the UAVs' trajectory, while minimizing the AoI of the received messages and the devices' energy consumption.
no code implementations • 27 Sep 2022 • Leatile Marata, Onel Luis Alcaraz López, Hamza Djelouat, Markus Leinonen, Hirley Alves, Markku Juntti
Cellular networks that are traditionally designed for human-type communication (HTC) have the potential to provide cost effective connectivity to machine-type communication (MTC).
no code implementations • 13 Sep 2022 • Eslam Eldeeb, Dian Echevarría Pérez, Jean Michel de Souza Sant'Ana, Mohammad Shehab, Nurul Huda Mahmood, Hirley Alves, Matti Latva-aho
Many emerging Internet of Things (IoT) applications rely on information collected by sensor nodes where the freshness of information is an important criterion.
no code implementations • 13 Jun 2022 • David E. Ruíz-Guirola, Carlos A. Rodríguez-López, Samuel Montejo-Sánchez, Richard Demo Souza, Onel L. A. López, Hirley Alves
Reducing energy consumption is a pressing issue in low-power machine-type communication (MTC) networks.
no code implementations • 2 May 2022 • Eduardo Noboro Tominaga, Onel Luiz Alcaraz López, Richard Demo Souza, Hirley Alves
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.
no code implementations • 8 Dec 2021 • Hamza Djelouat, Leatile Marata, Markus Leinonen, Hirley Alves, Markku Juntti
This paper addresses the problem of joint user identification and channel estimation (JUICE) for grant-free access in massive machine-type communications (mMTC).
no code implementations • 2 Aug 2021 • Eslam Eldeeb, Mohammad Shehab, Hirley Alves
A Coupled Markov Modulated Poisson Process (CMMPP) traffic model with mixed alarm and regular traffic is applied to compare the proposed FUG allocation to other existing allocation techniques.
no code implementations • 15 Jun 2021 • Francisco A. Monteiro, Onel L. A. López, Hirley Alves
A paramount benefit of the constrained precoder is the encompassment of fairness in the power allocation to the different clusters.
no code implementations • 27 May 2021 • Leatile Marata, Onel Luis Alcaraz López, Eduardo Noboro Tominaga, Hirley Alves
Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications.
no code implementations • 20 Jan 2021 • Mohammad Shehab, Hirley Alves, Eduard A. Jorswieck, Endrit Dosti, Matti Latva-aho
Effective Capacity defines the maximum communication rate subject to a specific delay constraint, while effective energy efficiency (EEE) indicates the ratio between effective capacity and power consumption.
Information Theory Information Theory
no code implementations • 13 Jan 2021 • Eduardo Noboro Tominaga, Hirley Alves, Onel Luiz Alcaraz López, Richard Demo Souza, João Luiz Rebelatto, Matti Latva-aho
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: enhanced Mobile BroadBand (eMBB) and massive Machine-Type Communications (mMTC).
no code implementations • 13 Jan 2021 • Nelson J. Mayedo Rodríguez, Onel L. Alcaraz López, Hirley Alves, Matti Latva-aho
Data aggregation is an efficient approach to handle the congestion introduced by a massive number of machine type devices (MTDs).
no code implementations • 12 Jan 2021 • Eduardo Noboro Tominaga, Hirley Alves, Richard Demo Souza, João Luiz Rebelatto, Matti Latva-aho
The diverse requirements of these services in terms of data-rates, number of connected devices, latency and reliability can lead to a sub-optimal use of the 5G network, thus network slicing is proposed as a solution that creates customized slices of the network specifically designed to meet the requirements of each service.
1 code implementation • 8 Dec 2020 • Osmel Martínez Rosabal, Onel L. Alcaraz López, Hirley Alves, Samuel Montejo-Sánchez, Matti Latva-aho
In this paper, we investigate the optimal deployment of PBs that guarantees a network-wide energy outage constraint.
no code implementations • 6 Feb 2020 • Onel L. A. López, Samuel Montejo-Sánchez, Richard D. Souza, Hirley Alves, Constantinos B. Papadias
We characterize the distribution of the provided energy under correlated Rician fading for each scheme and find out that while AA-IS and SA cannot take advantage of the multiple antennas to improve the average provided energy, its dispersion can be significantly reduced.
1 code implementation • 9 Jan 2020 • Jean Michel de Souza Sant'Ana, Arliones Hoeller, Richard Demo Souza, Samuel Montejo-Sánchez, Hirley Alves, Mario de Noronha Neto
Low Power Wide Area Networks (LPWAN) are wireless connectivity solutions for Internet-of-Things (IoT) applications, including industrial automation.
Networking and Internet Architecture Signal Processing
1 code implementation • 2 Dec 2016 • Pedro H. J. Nardelli, Hirley Alves
This letter introduces a method to manage energy storage in electricity grids.
Systems and Control