Experimental Evaluation of LR-FHSS: A Comparison with LoRa [PDF]
SensorsLong-Range Frequency Hopping Spread Spectrum (LR-FHSS) is the newest modulation in LoRaWAN, designed to overcome the scalability and coverage limits of conventional LoRa. This study provides a real-world evaluation of LR-FHSS performance, benchmarking it
Lluís Casals Ibanez +2 more
exaly +6 more sources
Energy Performance of LR-FHSS: Analysis and Evaluation [PDF]
SensorsLong-range frequency hopping spread spectrum (LR-FHSS) is a pivotal advancement in the LoRaWAN protocol that is designed to enhance the network’s capacity and robustness, particularly in densely populated environments.
Lluís Casals Ibanez +2 more
exaly +10 more sources
Adaptive Joint Carrier and DOA Estimations of FHSS Signals Based on Knowledge-Enhanced Compressed Measurements and Deep Learning [PDF]
EntropyAs one of the most widely used spread spectrum techniques, the frequency-hopping spread spectrum (FHSS) has been widely adopted in both civilian and military secure communications.
Feng Liu
exaly +4 more sources
A Construction of Optimal One-Coincidence Frequency-Hopping Sequences via Generalized Cyclotomy [PDF]
EntropyFrequency-hopping sequences (FHSs) with low Hamming correlation are essential for synchronization and multiple-access communication systems. In this paper, we propose a novel construction of FHSs using generalized cyclotomy.
Minfeng Shao, Ying Miao
doaj +2 more sources
Knowledge-Enhanced Compressed Measurements for Detection of Frequency-Hopping Spread Spectrum Signals Based on Task-Specific Information and Deep Neural Networks [PDF]
Entropy, 2022 The frequency-hopping spread spectrum (FHSS) technique is widely used in secure communications. In this technique, the signal carrier frequency hops over a large band. The conventional non-compressed receiver must sample the signal at high rates to catch
Feng Liu, Yinghai Jiang
doaj +2 more sources
Determinants of Family Health Performance in Bangladesh: Evidence From MICS-6. [PDF]
Glob Health Epidemiol GenomBackground Health developments are based on family‐specific health traditions, which play a central role as a foundation of individuals’ growth and development in Southeast Asia. Families can influence disease susceptibility and promote well‐being by encouraging healthy habits, providing support and aiding in disease recovery.
Akash RI, Haque MA, Sultana N, Ullah MO.
europepmc +2 more sources
Low-False-Alarm-Rate Timing and Duration Estimation of Noisy Frequency Agile Signal by Image Homogeneous Detection and Morphological Signature Matching Schemes [PDF]
Sensors, 2023 Frequency hopping spread spectrum (FHSS) applies widely to communication and radar systems to ensure communication information and channel signal quality by tuning frequency within a wide frequency range in a random sequence.
Yuan-Pin Cheng +2 more
doaj +2 more sources
Analysis and Simulation of LoRaWAN LR-FHSS for Direct-to-Satellite Scenario [PDF]
IEEE Wireless Communications Letters, 2022 Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) has been recently introduced into the LoRaWAN protocol specification to increase network capacity and collision robustness, and enable direct connectivity between machine devices and the Low Earth Orbit (LEO) satellites.
Konstantin Mikhaylov +2 more
exaly +3 more sources
Secure task offloading framework for industrial edge computing using reconfigurable intelligent surfaces and spectrum agility [PDF]
Scientific ReportsDense Industry 5.0 deployments require IIoT task offloading schemes that are simultaneously scalable, low latency, and resilient to wireless eavesdropping under harsh industrial blockage.
Asma A. Alhashmi +7 more
doaj +2 more sources
The Assessment of Medication Effects in Omicron Patients through MADM Approach Based on Distance Measures of Interval-Valued Fuzzy Hypersoft Set [PDF]
Bioengineering, 2022 Omicron, so-called COVID-2, is an emerging variant of COVID-19 which is proved to be the most fatal amongst the other variants such as alpha, beta and gamma variants (α, β, γ variants) due to its stern and perilous nature. It has caused hazardous effects
Muhammad Arshad +7 more
doaj +2 more sources