Energy-sustainable iot connectivity: Vision, technological enablers, challenges, and future directions

OLA López, OM Rosabal… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
Technology solutions must effectively balance economic growth, social equity, and
environmental integrity to achieve a sustainable society. Notably, although the Internet of …

Joint activity detection and channel estimation for clustered massive machine type communications

L Marata, OLA López, A Hauptmann… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
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 …

Coordinated pilot transmissions for detecting the signal sparsity level in massive IoT networks

OLA López, G Brante, RD Souza… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Grant-free protocols exploiting compressed sensing multi-user detection (MUD) are
appealing for solving the random access problem in massive Internet of Things (IoT) …

Ultra-Reliable Low-Latency Communications: Foundations, Enablers, System Design, and Evolution Towards 6G

NH Mahmood, I Atzeni, EA Jorswieck… - … and Trends® in …, 2023 - nowpublishers.com
Wireless communication has traditionally been designed to connect human users. The main
design goal was to maximize the data rate while guaranteeing moderate reliability and …

Optimal User Grouping and Analytical Joint Resource Allocation Design in Hybrid BC-TDMA Assisted URLLC Networks

X Yuan, Y Zhu, Y Hu, B Ai… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
To support abundant mission-critical applications, the next-generation ultra-reliable low
latency communication (URLLC) is expected to meet more stringent requirements. In this …

Extreme Value Theory-based Robust Minimum-Power Precoding for URLLC

DE Pérez, OLA López, H Alves - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Channel state information (CSI) is crucial for achieving ultra-reliable low-latency
communication (URLLC) in wireless networks. The main associated problems are the CSI …

Channel Scheduling for IoT Access with Spatial Correlation

P Raghuwanshi, OLA López… - IEEE …, 2024 - ieeexplore.ieee.org
Spatially correlated device activation is a typical feature of the Internet of Things (IoT). This
motivates the development of channel scheduling (CS) methods that mitigate device …

Extreme Level Crossing Rate: A New Performance Indicator for URLLC Systems

NI Miridakis, TA Tsiftsis, PA Karkazis… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Level crossing rate (LCR) is a well-known statistical tool that is related to the duration of a
random stationary fading process on average. In doing so, LCR cannot capture the behavior …

Advanced signal processing techniques for machine type communications

L Marata - 2024 - oulurepo.oulu.fi
The rapid evolution of wireless technology has led to the emergence of new use cases and
the deployment of various types of communication devices across broad geographic areas …

Reliability-Optimized User Admission Control for URLLC Traffic: A Neural Contextual Bandit Approach

O Semiari, H Nikopour, S Talwar - arXiv preprint arXiv:2401.03059, 2024 - arxiv.org
Ultra-reliable low-latency communication (URLLC) is the cornerstone for a broad range of
emerging services in next-generation wireless networks. URLLC fundamentally relies on the …