Zobrazeno 1 - 10
of 1 137
pro vyhledávání: '"Spreading factor"'
Autor:
Dedy Wahyu Herdiyanto, Freska Meliniar Alfian, Catur Suko Sarwono, Dodi Setiabudi, Andrita Ceriana Eska, Muh. Asnoer Laagu
Publikováno v:
Journal of Applied Computer Science and Technology, Vol 5, Iss 1, Pp 40-49 (2024)
The purpose of this research is to determine the effect of the physical coding of LoRa communications on monitoring water pipelines. Optimizing the performance of packet receivers in the LoRa communication system using coding on the physical paramete
Externí odkaz:
https://doaj.org/article/0f5d1e75193148f3923f0529c2f4d548
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:
ETRI Journal, Vol 45, Iss 4, Pp 570-580 (2023)
Sensor nodes are the most significant part of a wireless sensor network that offers a powerful combination of sensing, processing, and communication. One major challenge while designing a sensor node is power consumption, as sensor nodes are generall
Externí odkaz:
https://doaj.org/article/d6dcba7ae2fa4bd180a36de4df65e29d
Publikováno v:
ETRI Journal, Vol 45, Iss 2, Pp 213-225 (2023)
Physical layer security (PLS) can improve the security of both terrestrial and nonterrestrial wireless communication networks. This study proposes a simplified framework for nonterrestrial cyclic prefixed orthogonal variable spreading factor (OVSF)-e
Externí odkaz:
https://doaj.org/article/d9b0a2c26fa944278ccd2e84bc23a115
Publikováno v:
Journal of Electrical Systems and Information Technology, Vol 10, Iss 1, Pp 1-21 (2023)
Abstract Long-Range Wide Area Network (LoRaWAN), as Low Power Wide Area Network that connects battery-powered devices, has gained much attention lately. The LoRaWAN technology uses ALOHA as the medium access control where the End Devices (EDs) transm
Externí odkaz:
https://doaj.org/article/8a1be55fc2cb44b9837433495cc087ab
Autor:
M. Rajeswara Rao, S. Sundar
Publikováno v:
IEEE Access, Vol 11, Pp 116169-116182 (2023)
In Wide Area Networks (WANs), resource allocation is essential since computer networks manage complex optimization difficulties. The goal of optimal resource allocation is to improve total computing productivity. Distributing numerous specialized dat
Externí odkaz:
https://doaj.org/article/447da12fc2c9422f912a0205ff35fdb6
Akademický článek
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Akademický článek
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Publikováno v:
IEEE Access, Vol 10, Pp 9198-9231 (2022)
Emerging Internet-of-Things (IoT) applications are driving increasing demand for advanced services in wireless networks, prompting the development of new technologies to address the associated challenges. Energy efficiency of IoT standards is a key f
Externí odkaz:
https://doaj.org/article/b64fa4a27f3c4272b89755501170dac3
Autor:
Joarder Jafor Sadique, Saifur Rahman Sabuj, Shaikh Enayet Ullah, Sujoy Kumar Joarder, Masanori Hamamura
Publikováno v:
IEEE Access, Vol 10, Pp 34577-34590 (2022)
Unmanned aerial vehicle (UAV)-based communication system design has already attracted substantial interest due to UAV flexibility in deployment, cost effectiveness, and in-built line-of-sight air-to-ground channels. However, there is a persistent iss
Externí odkaz:
https://doaj.org/article/f5bd53c66f7f4fd091d9b9e336f5b4fc