Zobrazeno 1 - 10
of 169
pro vyhledávání: '"Hata model for urban areas"'
Publikováno v:
Revista Tecnológica - ESPOL. 33:12-24
La tecnología de largo alcance LoRa, como parte de tecnologías de bajo consumo energético LPWAN, permite establecer comunicaciones inalámbricas a kilómetros de distancia con bajas tasas de transmisión. Sus características, inducen a la creaci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67524fbdb16f3e33fc6893731e8e8c21
https://doi.org/10.37815/rte.v33n2.824
https://doi.org/10.37815/rte.v33n2.824
Autor:
E.L. Omoze, FO Edeko
Publikováno v:
Nigerian Journal of Technology. 39:1216-1222
Radio propagation planning requires the use of propagation models in planning cell size as well as frequency assignment. This paper presents a comparative study of path loss predicted using COST 231 Hata model and ECC-33 model on received signal stre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8a9fc678762c9c8fd4db3fe89bea57d
https://doi.org/10.4314/njt.v39i4.30
https://doi.org/10.4314/njt.v39i4.30
Publikováno v:
International Journal on Cybernetics & Informatics. 9:1-10
The paper deals with thestudy based on the comparative analysis of radio propagation models for mobile cellular wireless communication of global system for mobile at frequencies 0.9 GHz and 1.8 GHz, respectively. Thepath loss propagation models arevi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98d5763a490e53208b8bac7c057197b3
https://doi.org/10.5121/ijci.2020.9301
https://doi.org/10.5121/ijci.2020.9301
Autor:
Meenakshi Munjal, Niraj Pratap Singh
Publikováno v:
Wireless Personal Communications. 111:163-178
The demand for wireless communication has widely increased in high-speed railway (HSR). The people demand high capacity and efficient communication independent of their location and speed. As the HSR provides more convenience to people, so the main a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1143c533f6dba5439ace6ed2262080fe
https://doi.org/10.1007/s11277-019-06850-9
https://doi.org/10.1007/s11277-019-06850-9
Publikováno v:
The Journal of Korean Institute of Information Technology. 17:53-59
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::120c0afdb4b3573a39ce29eea586ee3a
https://doi.org/10.14801/jkiit.2019.17.4.53
https://doi.org/10.14801/jkiit.2019.17.4.53
Publikováno v:
Universal Journal of Communications and Network. 7:9-20
In this paper, an improved bisection algorithm for computing the optimal transmission range of wireless communication links was presented. The optimal path length is based on the link budget equation for line-of-sight wireless communication links. Sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f1025e154b145db2d2f0dd864d2d16e
https://doi.org/10.13189/ujcn.2019.070102
https://doi.org/10.13189/ujcn.2019.070102
Publikováno v:
Nigerian Journal of Technological Development, Vol 16, Iss 1, Pp 1-9 (2019)
Nigerian Journal of Technological Development; Vol 16, No 1 (2019); 1-9
Nigerian Journal of Technological Development; Vol 16, No 1 (2019); 1-9
Analysis of predicted and measured path loss over a Lagoon environment is presented. Propagation measurements were carried out at 1800 MHz, within a quarter of a year (May to August 2017) using Huawei Technologies drive test equipment. Measured data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a83f252fc19a154d941a683181dc354
http://njtd.com.ng/index.php/njtd/article/view/265/126
http://njtd.com.ng/index.php/njtd/article/view/265/126
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
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
Autor:
Parul Rattanpal, Shefali Khanna Sharma, Eshwari S.S. Dagar, Aditi Bharmaik, Deepti Kakkar, Ankita Sharma
Publikováno v:
Proceedings of International Conference on Women Researchers in Electronics and Computing.
Astochastic approach based optimization technique to optimize the Hata model path loss equation is presented in this paper. In this paper, the existing Hata model equation for determining path loss in medium urban city is optimized using Least Mean S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0f0532ff8b6ed5c0eb7b3db0c2d2042
https://doi.org/10.21467/proceedings.114.34
https://doi.org/10.21467/proceedings.114.34