LR-FHSS Networks With Orthogonal Physical Channels for Headers and Payload Fragments
This paper introduces an enhancement to the Long-Range Frequency-Hopping Spread Spectrum (LR-FHSS), a modulation within the LoRaWAN specification, particularly useful in dense […]
Nonorthogonal Replication Scheme for ALOHA Uplink in LPWAN
In this work, we address a novel replication scheme for Internet-of-Things (IoT) low power wide area networks (LPWAN), considering the ability of […]
On the Uplink Traffic Distribution in Time for Duty-cycle Constrained LoRaWAN Networks
In the recent years, the LoRaWAN Low Power Wide Area Network (LPWAN) technology became a critical connectivity enabler for many Internet of […]
Testbed for LoRaWAN Security
The low-power wide-area (LPWA) technologies, which enable cost and energy-efficient wireless connectivity for massive deployments of autonomous machines, have enabled and boosted […]
LoRaWANSim
Among the low power wide area network communication protocols for large scale Internet of Things, LoRaWAN is considered one of the most […]
Investigation of the Performance of TDoA-Based Localization Over LoRaWAN in Theory and Practice
The paper deals with the localization in a low-power wide-area-network (LPWAN) operating long-range wide-area-network (LoRaWAN) technology. The LoRaWAN is, today, one of […]
Communication Performance of a Real-Life Wide-Area Low-Power Network Based on Sigfox Technology
In this paper, we study real-world performance of Sigfox, which is one of the most mature Low-Power Wide-Area Network (LPWAN) technologies that […]
On the Performance of Multi-Gateway LoRaWAN Deployments
A remarkable progress in the Low Power Wide Area Network (LPWAN) technologies over the recent years opens new opportunities for developing versatile […]
NB-IoT Micro-Operator for Smart Campus
In recent years, many new radio-based connectivity solutions for the Internet of Things (IoT) have been proposed. At the same time, development […]
Performance of lorawan for handling telemetry and alarm messages in industrial applications
This paper analyzes the feasibility of the coexistence of telemetry and alarm messages employing Long-Range Wide-Area Network (LoRaWAN) technology in industrial environments. […]