Search Results for author: Onel Luis Alcaraz López

Found 8 papers, 0 papers with code

Non-Orthogonal Multiple-Access Strategies for Direct-to-Satellite IoT Networks

no code implementations4 Sep 2024 Felipe Augusto Tondo, Jean Michel de Souza Sant'Ana, Samuel Montejo-Sánchez, Onel Luis Alcaraz López, Sandra Céspedes, Richard Demo Souza

Comparing FTP and CTP with regular ALOHA for 100 (600) devices, we find goodput improvements of 65% (29%) and 52% (101%), respectively.

Neural Network-Based Bandit: A Medium Access Control for the IIoT Alarm Scenario

no code implementations23 Jul 2024 Prasoon Raghuwanshi, Onel Luis Alcaraz López, Neelesh B. Mehta, Hirley Alves, Matti Latva-aho

Efficient Random Access (RA) is critical for enabling reliable communication in Industrial Internet of Things (IIoT) networks.

Deep Reinforcement Learning

Distributed MIMO Networks with Rotary ULAs for Indoor Scenarios under Rician Fading

no code implementations27 Jun 2024 Eduardo Noboro Tominaga, Onel Luis Alcaraz López, Tommy Svensson, Richard Demo Souza, Hirley Alves

Nevertheless, current 5G networks cannot fully meet the very stringent requirements regarding latency, reliability, and number of connected devices of most MTC use cases.

Position

Goal-Oriented Sensor Reporting Scheduling for Non-linear Dynamic System Monitoring

no code implementations31 May 2024 Prasoon Raghuwanshi, Onel Luis Alcaraz López, Vimal Bhatia, Matti Latva-aho

Our proposed GoS utilizes deep reinforcement learning (DRL) with meticulously devised action space, state space, and reward function.

Deep Reinforcement Learning Scheduling +1

Joint Activity Detection and Channel Estimation for Clustered Massive Machine Type Communications

no code implementations4 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).

Action Detection Activity Detection +1

Joint Coherent and Non-Coherent Detection and Decoding Techniques for Heterogeneous Networks

no code implementations27 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).

Joint Channel Estimation and Device Activity Detection in Heterogeneous Networks

no code implementations27 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.

Action Detection Activity Detection

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