Zobrazeno 1 - 10
of 4 147
pro vyhledávání: '"LoRaWan"'
Autor:
Lorenzo Felli, Romeo Giuliano, Andrea De Negri, Francesco Terlizzi, Franco Mazzenga, Alessandro Vizzarri
Publikováno v:
IoT, Vol 5, Iss 3, Pp 509-523 (2024)
This study investigates communication between UAVs using long range (LoRa) devices, focusing on the interaction between a LoRa gateway UAV and other UAVs equipped with LoRa transmitters. By conducting experiments across various geographical regions,
Externí odkaz:
https://doaj.org/article/afe7aa89445d472bbbd31b4deb8d3ccf
Publikováno v:
ICT Express, Vol 10, Iss 3, Pp 519-552 (2024)
While the spreading of the Internet of Things continues beyond expectations, the security of networking technologies used in this context remains an open issue. This paper provides a comprehensive overview of the state of the art on the security of L
Externí odkaz:
https://doaj.org/article/e03cd0208ace49c6ac7135a76aa32eb1
Publikováno v:
Eng, Vol 5, Iss 1, Pp 513-531 (2024)
Ubiquitous street lighting is essential for urban areas. While nowadays, LED-based “smart lamps” are commercially available, municipalities can only switch to them in the long run due to financial constraints. Especially, older types of lamps req
Externí odkaz:
https://doaj.org/article/d4894568b8fe4730852c2a10be2d2602
Publikováno v:
IEEE Access, Vol 12, Pp 141237-141250 (2024)
LoRaWAN is a Low Power infrastructure for the Internet of Things (IoT) with a centralized architecture where a single node, the network server, handles all data collection and network management decisions. Given the proliferation and widespread adopt
Externí odkaz:
https://doaj.org/article/11fce8750cde4d109170bd282da3e9c1
Autor:
Sanjeev Kumar, Gholamhosein Moloudian, Roy B. V. B. Simorangkir, Dinesh R. Gawade, Brendan O'Flynn, John L. Buckley
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 5, Pp 1258-1281 (2024)
With recent advances in wearable wrist-worn wireless sensing applications, the demand for smartwatches and wristbands is rapidly increasing due to their widespread adoption in applications such as smart health monitoring, security, and fitness tracki
Externí odkaz:
https://doaj.org/article/51f7a5da75ca447ca5ff564c92c79b8b
Autor:
Lorenzo Vangelista, Giancarlo Calvagno
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5598-5607 (2024)
In this paper, we consider the problem of detecting the channel activity in LoRaWAN networks. To improve the medium access performance, recent implementations of the chipsets for LoRaWAN end nodes are offering a feature called Channel Activity Detect
Externí odkaz:
https://doaj.org/article/43f91b55cb73473590c0acb5b75ff883
Publikováno v:
IEEE Access, Vol 12, Pp 119072-119086 (2024)
Smart farming, popularly called precision agriculture, refers to technologies like the Internet of Things (IoT), Artificial Intelligence (AI), and drones that are rapidly transforming age-old farming traditions. This paper investigates how smart farm
Externí odkaz:
https://doaj.org/article/1cd92a8267fe42c0bd547cdd754c6299
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4578-4612 (2024)
Chirp spread spectrum (CSS) signal is the heart of long-range (LoRa) modulation, also known as CSS modulation, and is used in long-range wide area network (LoRaWAN) in Internet of things (IoT) scenarios. CSS modulation has drawn much attention from t
Externí odkaz:
https://doaj.org/article/b3a71063e016441bba649f5bf85c4b31
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4046-4060 (2024)
Long-range wide-area network (LoRaWAN) offers reliable connectivity for terrestrial applications, but its use in underwater wireless communication faces challenges, particularly because of the effects of the air-water interface and signal attenuation
Externí odkaz:
https://doaj.org/article/d3ff0105d0bb4592bb356d679a2c7a31
Publikováno v:
IEEE Access, Vol 12, Pp 83205-83216 (2024)
This work introduces a novel approach to improve the precision of distance estimation in localization systems by using existing LoRaWAN and RSSI-based techniques. Despite the benefits of range and power efficiency, these systems exhibit limited accur
Externí odkaz:
https://doaj.org/article/29b7fc8dbc1a4e5b964e167cb3580d58