Trends in LPWAN Technologies for LEO Satellite Constellations in the NewSpace Context

O Ledesma, P Lamo, JA Fraire - Electronics, 2024 - mdpi.com
This study applies satellite constellations in Internet of Things (IoT) communications,
specifically within low-power wide-area network (LPWAN) technologies in the NewSpace …

Improving Uplink Scalability of LoRa-Based Direct-to-Satellite IoT Networks

S Herrería-Alonso, M Rodríguez-Pérez… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
In the next few years, low-Earth orbit (LEO) constellations will become key enablers for the
deployment of global Internet of Things (IoT) services. Due to their proximity to Earth, LEO …

Integrated Terrestrial-Wired and LEO Satellite With Offline Bidirectional Cooperation for 6G IoT Networks

A Ahmed, A Al-Dweik, Y Iraqi… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
This article presents a novel framework for integrating low-Earth orbit satellites (LEOSs) with
terrestrial-wired networks to improve coverage, throughput, and transmission reliability of …

Satellite visibility prediction for constrained devices in direct-to-satellite IoT systems

R Ortigueira, S Montejo-Sánchez, S Henn… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The Internet of Things (IoT) enables the transport of small amounts of data from/to
constrained devices such as sensors and actuators. When these devices are located in …

Architectural framework and feasibility of internet of things-driven mars exploration via satellite constellations

O Ledesma, P Lamo, JA Fraire, M Ruiz, MA Sánchez - Electronics, 2024 - mdpi.com
This study outlines a technical framework for Internet of Things (IoT) communications on
Mars, leveraging Long Range (LoRa) technology to connect Martian surface sensors and …

Optimal traffic load allocation for aloha-based IoT LEO constellations

FA Tondo, VDP Souto, OLA Lopez… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
The deployment of satellite networks is key to providing global wireless connectivity for the
Internet of Things (IoT). In this line, we consider a cluster of IoT devices served by a …

Low-Power Satellite Access Time Estimation for Internet of Things Services over Non-Terrestrial Networks

G Boquet, B Martinez, F Adelantado… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
The evolution of nonterrestrial networks (NTNs) will require some conceptual changes in the
communication paradigm established in common cellular and low-power networks. This will …

Asynchronous Contention Resolution-Aided ALOHA in LR-FHSS Networks

JM de Souza Sant'Ana, O da Silva Neto… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
In this work, we apply an asynchronous contention resolution-aided ALOHA protocol to the
recently proposed long-range frequency hop** spread spectrum (LR-FHSS) scheme …

[HTML][HTML] High-Altitude-UAV-Relayed Satellite D2D Communications for 6G IoT Network

J Wang, T Hong, F Qi, L Liu, X He - Drones, 2024 - mdpi.com
High-altitude UAVs (HA-UAVs) have emerged as vital components in 6G communication
infrastructures, providing stable relays for telecommunications services above terrestrial and …

Quantification and Analysis of Carrier-to-Interference Ratio in High-Throughput Satellite Systems

Z Dong, L Yi, P Qin, Y Zhou, C Zhang, K Liu - Electronics, 2023 - mdpi.com
Recently, the demand for high data traffic transmission is experiencing unstoppable growth,
and multi-beam high-throughput satellite (HTS) systems have proven to be effective …