Results 21 to 30 of about 11,289,245 (289)
MOBILE INFOCOMMUNICATION SYSTEMS
Information and Telecommunication Sciences, 2020 Background. An increase in the number of users and services with the support of the required quality of service, an increase in the coverage area of one operator’s radio access network, and most importantly, the emergence of packet-switched technologies ...
Mykhailo Ilchenko, Serhii Kravchuk
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Deterministic approach for mobile user positioning in radio systems [PDF]
Tehnika, 2014 This paper analyzes deterministic methods for user positioning in radio systems. Radio signal parameters that can be used for positioning are considered, as well as the methods of their processing in order to obtain the unknown location. Paper contains a
Simić Mirjana I., Pejović Predrag V.
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Study of radio resource sharing for future mobile WiMAX applications with relays [PDF]
, 2007 WiMAX (802.16e) is technically capable of offering city-wide broadband connections to a high number of mobile terminals. The technology has strong industrial support, however a number of challenges remain to be resolved.
Nix, AR +7 more
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ETC antenna (easy to configure): a new approach to smart management of cellular networks
Iteckne, 2010 The ETC antenna is presented as an intermediate approach between the current radio cellular systems and the future cellular system with the smart antennas. The goal is to get a flexible and asynchronous way to optimize the coverage following the schedule
Óscar ElÍas Herrera Bedoya +2 more
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Dynamic deployment of multi‐UAV base stations with deep reinforcement learning
Electronics Letters, 2021 Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations (BSs) to provide auxiliary communication services. In this letter, we propose a deep reinforcement learning (DRL)‐based dynamic deployment method for multi‐UAV communications.
Guanhan Wu, Weimin Jia, Jianwei Zhao
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Influence of underground radio wave on human body in coal mine
Gong-kuang zidonghua, 2022 The large-power radio waves emitted by 5G, WiFi6, UWB, ZigBee and other mine mobile communication systems and personnel and vehicle positioning systems will affect the health of underground personnel.
DING Xuhai +3 more
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Peal factor of signals of 5G mobile service systems
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2020 This article discusses the possible formats of signals of 5G mobile communication networks (NR, IMT-2020): configurations of the number of resource blocks and frequency shifts of subcarriers.
V. M. Kozel +2 more
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Prediction of Mobile Radio Wave Propagation in Complex Topography [PDF]
Eurasian Journal of Science and Engineering, 2018 This work studies the prediction of the mobile radio performance and examines the two dimensional mobile radio coverage in case of free space propagation and interference wave propagation for different types of polarization, different types of reflection
Qaysar S.Mahdi
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Vojnotehnički Glasnik, 1998 Digital signal processing and its wide application in communication systems redefined radio transceiver design. New direction which considerably affects the field of radio-communication is called 'software radio'.
Igor S. Simić , Aleksa J. Zejak
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Frequency hopped CDMA for third generation mobile radio systems [PDF]
, 1993 Third generation mobile radio systems will provide unified mobile access to a wide range of services for the mass user market. Code division multiple access (CDMA) is one of the most viable access techniques to provide the flexible air interface required.
Purle, DJ +7 more
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