Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Okumura model"'
Publikováno v:
Journal of Information Technology Management, Vol 14, Iss 3, Pp 39-49 (2022)
The study of path loss propagation is of high importance in telecommunication, for optimizing the efficiency of wireless communication networks. In this paper, four path loss propagation models; free space path loss (FSPL) model, Okumura model, Okumu
Externí odkaz:
https://doaj.org/article/40bd0ad0ec4c4324b57361117e9b5491
Publikováno v:
2021 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI).
Unmanned aerial vehicles (UAVs) continue to play a vital role in many domains, such as agriculture, service delivery, photo shooting, disaster management, telecommunication, and other spheres of life. It can also be employed as aerial base stations t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d07135918218355530d27d6cc0ed7f2b
https://doi.org/10.1109/icceai52939.2021.00026
https://doi.org/10.1109/icceai52939.2021.00026
Autor:
Dr.T. Suresh, K. Madhumathi
Publikováno v:
Journal of Advanced Research in Dynamical and Control Systems. 11:159-167
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00ff4a22706ba076ef684e1fa0fbaca1
https://doi.org/10.5373/jardcs/v11sp11/20192943
https://doi.org/10.5373/jardcs/v11sp11/20192943
Publikováno v:
2021 International Conference on Intelligent Technologies (CONIT).
Radio propagation is important for evolving wireless communication systems, it is very necessary to study and define the characteristics of the radio propagation in different environments in order to reach the optimum condition. The Okumura/Hata mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c050d57c83a233336d3c3e7444b3210
https://doi.org/10.1109/conit51480.2021.9498395
https://doi.org/10.1109/conit51480.2021.9498395
Publikováno v:
Journal of Cyber Security and Mobility.
Empirical channel models were always an important tool for proper wireless network planning. These models consider the properties of electromagnetic waves and terrain conditions. The efficiency and accuracy of these Empirical models suffer when they
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::200f5dd7b2f5674bf9ce5281bf1e61d1
https://doi.org/10.13052/jcsm2245-1439.1035
https://doi.org/10.13052/jcsm2245-1439.1035
Autor:
Ting Wang, Zhongdong Wu
Publikováno v:
2021 International Conference on Intelligent Transportation, Big Data & Smart City (ICITBS).
The modes of electromagnetic wave propagation include direct radiation, reflection, diffraction and scattering. Different environments produce different modes of transmission. Most cellular wireless systems operate in urban areas, including no direct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d0a61b1cc01fdc7a17216584ad87643
https://doi.org/10.1109/icitbs53129.2021.00067
https://doi.org/10.1109/icitbs53129.2021.00067
Publikováno v:
2020 IEEE 6th International Conference on Computer and Communications (ICCC).
In order to obtain more accurate signal propagation characteristics of 230 MHz electric wireless private network and to better guide network coverage planning, a 230 MHz electric wireless private network field strength prediction method based on unif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c767f0d42d92b0f7e83e41e05aeab223
https://doi.org/10.1109/iccc51575.2020.9345153
https://doi.org/10.1109/iccc51575.2020.9345153
Publikováno v:
2020 IEEE 8th R10 Humanitarian Technology Conference (R10-HTC).
Path loss models can be used to obtain the path loss for a signal transmission. This information can be utilized to obtain the received power which in turn can be used to identify the maximum possible data rate that can be transmitted. This paper use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d453b12af19e5e9a7d9260f175e35c08
https://doi.org/10.1109/r10-htc49770.2020.9357022
https://doi.org/10.1109/r10-htc49770.2020.9357022
Publikováno v:
2020 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS).
Current article discusses the usefulness of Okumura-Hata model in urban areas for 2G and 3G communication systems. At some places, applicability of the model is observed and extended to a lower distance from the tower than the specified minimum dista
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e1af961c5a5d611c1ca1c52dcf2fd1c
https://doi.org/10.1109/iemtronics51293.2020.9216441
https://doi.org/10.1109/iemtronics51293.2020.9216441
Autor:
A. Akinbolati, M. O. Ajewole
Publikováno v:
Heliyon, Vol 6, Iss 6, Pp e04101-(2020)
Heliyon
Heliyon
Accurate prediction of path losses is a key factor in Digital Terrestrial Television (DTTV) to ensure Quality of Service (QoS). This study investigates the path losses of three Digital Terrestrial Television Base Stations (DTTBS) in Lagos, Kaduna and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25e5b83e2cfeeae3d0ea4a59512ef765
http://www.sciencedirect.com/science/article/pii/S2405844020309452
http://www.sciencedirect.com/science/article/pii/S2405844020309452