Zobrazeno 1 - 10
of 1 404
pro vyhledávání: '"Path-loss Model"'
Autor:
Chilakala Sudhamani, Mardeni Roslee, Lee Loo Chuan, Athar Waseem, Anwar Faizd Osman, Mohamad Huzaimy Jusoh, Yasir Ullah
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
Nowadays, a precise assessment of path loss is essential to the efficient design and functioning of wireless communication networks. This research explores path loss evaluation and comparison using models designed for urban-micro scenarios. The artic
Externí odkaz:
https://doaj.org/article/5720105a2e204066ab35a1697b8af120
Publikováno v:
Dianxin kexue, Vol 40, Pp 11-21 (2024)
Cell-free massive multiple-input multiple-output (MIMO) systems deploy a large number of access point (AP) across the coverage area which can provide uniform high-rate services to users.However, the quality of coverage would be affected by path loss,
Externí odkaz:
https://doaj.org/article/46b7132ce7864e65b7edf63d664c7d5e
Autor:
Shi Jie Seah, Chee Yen Leow, Renuka Nalinggam, Wee Kiat New, Rozana Alam, Siat Ling Jong, Hong Yin Lam, Abdullah M. Almasoud
Publikováno v:
IEEE Access, Vol 12, Pp 96740-96756 (2024)
Unmanned Aerial Vehicle (UAV) communications have received considerable attention in recent years as it can be applied to a wide range of applications. To expedite this development, it is essential to be able to model and accurately predict the wirel
Externí odkaz:
https://doaj.org/article/3775dce02a9d42c2acae895d88cdbd91
Autor:
Olaonipekun Oluwafemi Erunkulu, Thula Innocent Gwebu, Adamu Murtala Zungeru, Caspar Lebekwe, Mosalaosi Modisa
Publikováno v:
Results in Engineering, Vol 20, Iss , Pp 101620- (2023)
Predicting the coverage area of mobile networks across various frequency bands is a critical concern in wireless communication. Each frequency band exhibits distinct propagation characteristics that directly influence the network coverage. Therefore,
Externí odkaz:
https://doaj.org/article/fb92e9e3ee8b48c399d0f4cd16c0f879
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Internet of things (IoT), to Arctic Ocean areas using Low Earth Orbit (LEO) satellites for communication to and from sensor units on the sea, has become increasingly important. It is challenging to close the link budget from a buoy on sea to a LEO sa
Externí odkaz:
https://doaj.org/article/bed5f4b54d55476fa7339b72aca9c905
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 27, Iss 6 (2023)
In this paper, the effect of Long-Range wireless technology parameters on signal propagation in suburban environments is investigated. Wireless propagation modeling provides information about the wireless channel and its impact on communication links
Externí odkaz:
https://doaj.org/article/7df39e88d4c6480fbcd76962a6f3668f
Autor:
Alexandros Pitilakis, Dimitrios Tyrovolas, Prodromos-Vasileios Mekikis, Sotiris A. Tegos, Alexandros Papadopoulos, Ageliki Tsioliaridou, Odysseas Tsilipakos, Dionysios Manessis, Sotiris Ioannidis, Nikolaos V. Kantartzis, Ian F. Akyildiz, Christos K. Liaskos
Publikováno v:
IEEE Access, Vol 11, Pp 79777-79792 (2023)
In this work, we focus on the theoretical modeling and experimental evaluation of absorbing metasurfaces mounted on unmanned aerial vehicles (UAVs) as facilitators for secure wireless communication channels. Specifically, we present a network archite
Externí odkaz:
https://doaj.org/article/98e99a8214a14760a05ada44d3b96812
Publikováno v:
IEEE Access, Vol 11, Pp 60835-60843 (2023)
In disasters, unmanned aerial vehicles (UAVs) can be used as aerial base stations (BSs) when terrestrial BSs are unavailable. Although most studies have focused on optimal UAV localization to provide efficient network connectivity for outdoor users,
Externí odkaz:
https://doaj.org/article/12f47c436efa497c83e757ea9b37f37b
Autor:
Safia Amir Dahri, Muhammad Mujtaba Shaikh, Musaed Alhussein, Muhammad Afzal Soomro, Khursheed Aurangzeb, Muhammad Imran
Publikováno v:
IEEE Access, Vol 11, Pp 30473-30485 (2023)
The coverage and capacity required for fifth generation (5G) and beyond can be achieved using heterogeneous wireless networks. This exploration set up a limited number of user equipment (UEs) while taking into account the three-dimensional (3D) dista
Externí odkaz:
https://doaj.org/article/e41e5d7fa99a41e5aad622c0ef0d4b89
Publikováno v:
International Journal of Technology, Vol 13, Iss 4, Pp 848-859 (2022)
A new path loss model for high-speed rail (HSR) in the 5G communication system is constructed in this paper. The model is identified to obtain an accurate mathematical representation of path loss multipath propagation in line of sight of HSR scen
Externí odkaz:
https://doaj.org/article/23d12c7398354d469bfae79e08278ab2