Zobrazeno 1 - 10
of 3 756
pro vyhledávání: '"base stations"'
Autor:
Ken Karipidis, Dan Baaken, Tom Loney, Maria Blettner, Chris Brzozek, Mark Elwood, Clement Narh, Nicola Orsini, Martin Röösli, Marilia Silva Paulo, Susanna Lagorio
Publikováno v:
Environment International, Vol 191, Iss , Pp 108983- (2024)
Background: The objective of this review was to assess the quality and strength of the evidence provided by human observational studies for a causal association between exposure to radiofrequency electromagnetic fields (RF-EMF) and risk of the most i
Externí odkaz:
https://doaj.org/article/35345ff775044948b211d60149e542a2
Publikováno v:
International Journal of Pervasive Computing and Communications, 2023, Vol. 20, Issue 2, pp. 285-307.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/IJPCC-07-2022-0256
Publikováno v:
Journal of Hebei University of Science and Technology, Vol 45, Iss 1, Pp 44-51 (2024)
In order to improve the data rate of unmanned aerial vehicle base stations (UAV-BS) when serving multiple users on the ground, a deep reinforcement learning (DRL) algorithm was proposed based on dueling deep Q-network (Dueling-DQN). A dueling network
Externí odkaz:
https://doaj.org/article/2e81996d30bb445a8331e16c0021f3fc
Publikováno v:
IEEE Access, Vol 12, Pp 116285-116301 (2024)
This research focuses on analyzing and predicting traffic and throughput at base stations in cellular networks using machine learning algorithms. The main research area is network performance optimization in telecommunication systems. With the increa
Externí odkaz:
https://doaj.org/article/4af7c1490d404ad584b7a40e746024b5
Reinforcement Learning Placement Algorithm for Optimization of UAV Network in Wireless Communication
Publikováno v:
IEEE Access, Vol 12, Pp 37919-37936 (2024)
Unmanned aerial vehicles (UAVs) or drones have attracted much attention in wireless communication networks because of their agility, unique flexibility, low cost of implementation, and the high strength of the line-of-sight (LoS) channel. They are wi
Externí odkaz:
https://doaj.org/article/5958803ef5434670b4df1abd7fbefef3
Akademický článek
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Publikováno v:
ICT Express, Vol 9, Iss 3, Pp 366-378 (2023)
A communications system consists of interconnected telecommunications networks, transmission systems, relay stations, tributary stations, and terminal equipment. Increasing network limits to fulfill the developing needs of consumers has prompted the
Externí odkaz:
https://doaj.org/article/549ca899347e424995ff76aa150d6513
Publikováno v:
IEEE Access, Vol 11, Pp 58055-58063 (2023)
This paper presents a novel digital combining method to implement a multilevel pulse modulation polar transmitter (PMPT) for 5G NR base station applications. Using pulse-width modulation on switch mode power amplifiers (PAs) is a promising method for
Externí odkaz:
https://doaj.org/article/48acf24a96da4f298c6d43ca834a7213
Publikováno v:
IEEE Access, Vol 11, Pp 40162-40174 (2023)
This paper presents a new approach to estimate the probability of line-of-sight (LoS) for unmanned aerial vehicle (UAV) communications. We provide lower and upper bounds on the probability of LoS in terms of what we call the first-building-LoS probab
Externí odkaz:
https://doaj.org/article/9f98c2112a144561be3974c412c20bf3
Autor:
Nahid Parvaresh, Burak Kantarci
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 700-712 (2023)
Uncrewed aerial vehicle-mounted base stations (UAV-BSs), also know as drone base stations, are considered to have promising potential to tackle the limitations of ground base stations. They can provide cost-effective Internet connection to users that
Externí odkaz:
https://doaj.org/article/6e8cc8e7e14143e282dfa2ac6c801635