Showing 581 - 600 results of 1,280 for search '"radio"', query time: 0.06s Refine Results
  1. 581

    Implementation of an Optical-Wireless Network with Spectrum Sensing and Dynamic Resource Allocation Using Optically Controlled Reconfigurable Antennas by E. Raimundo-Neto, J. R. G. da Rosa, M. A. F. Casaroli, I. Feliciano da Costa, A. M. Alberti, Arismar Cerqueira Sodré

    Published 2014-01-01
    “…This work proposes the concept and reports the implementation of an adaptive and cognitive radio over fiber architecture. It is aimed at dealing with the new demands for convergent networks by means of simultaneously providing the functionalities of multiband radiofrequency spectrum sensing, dynamic resource allocation, and centralized processing capability, as well as the use of optically controlled reconfigurable antennas and radio over fiber technology. …”
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    Article
  2. 582

    Enhancing counterfeit RFID tag classification through distance based cognitive risk control by Haifeng Wu, Siyuan Wang, Chongrong Pu, Jun Ma, Yu Zeng

    Published 2025-02-01
    “…Abstract In the realm of radio frequency identification (RFID) systems, combatting counterfeit tags through anti-counterfeiting technologies has garnered significant attention, particularly physical layer identification methods, lauded for their cost-effectiveness and simplicity in deployment. …”
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    Article
  3. 583
  4. 584

    Effect of synchronization system errors on the reception noise immunity of amplitude-phase shift keyed signals by G. V. Kulikov, X. Kh. Dang, A. G. Kulikov

    Published 2023-06-01
    “…An urgent task in the context of modern radio and television systems is to improve the quality and quantity of transmitted information. …”
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    Article
  5. 585

    The features and factors influencing the effectiveness of advertising activities and TV companies of Sughd region of the Republic of Tajikistan by A. A. Urunov, M. X. Kosimova

    Published 2020-04-01
    “…In addition, the results of the study can be used for the purpose of state regulation of the oligopolistic market of TV and radio services in the Republic of Tajikistan.…”
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    Article
  6. 586

    Spatial statistical analysis for the design of indoor particle-filter-based localization mechanisms by Jesus Martínez-Gómez, Miguel Martínez del Horno, Manuel Castillo-Cara, Víctor Manuel Brea Luján, Luis Orozco Barbosa, Ismael García-Varea

    Published 2016-08-01
    “…However, the accuracy and robustness of such mechanisms can be severely compromised due to the random and unpredictable nature of radio channels. In this article, we develop a methodology incorporating various algorithms capable of coping with the unpredictable nature of radio channels. …”
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  7. 587

    Un largo camino al Estado: actores y temporalidades de la estatización de la televisión argentina (1934-1974) by Fernando Ramírez Llorens, Joaquín Sticotti

    Published 2022-01-01
    “…Para esto, se analizan tres grandes dimensiones: la superposición de los conceptos de Estado y nación en relación con la radio y televisión, la injerencia de la Doctrina del Enemigo Interno en la política oficial de radioteledifusión y los debates en torno a la estatización en el momento de su concreción. …”
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  8. 588

    Optimal nonlinear filtering of MPSK signals in the presence of a Doppler frequency shift by G. V. Kulikov, T. T. Do, R. R. Usmanov

    Published 2022-03-01
    “…The problem was solved using the apparatus of optimal nonlinear filtering and methods of statistical radio engineering.Results. A demodulator was synthesized, which includes two interconnected units. …”
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    Article
  9. 589

    Demonstration of a Hybrid B5G System Integrating VLC and RF-Based Technologies with Access Networks by Tomás Powell Villena Andrade, Celso Henrique de Souza Lopes, Letícia Carneiro de Souza, Arismar Cerqueira Sodré Junior

    Published 2025-01-01
    “…In this context, and as a proof of concept, we implement and experimentally evaluate a hybrid network architecture based on VLC, radio-over-fiber (RoF), free space optics (FSO), fiber-wireless (FiWi), and millimeter-waves (mm-waves) for B5G applications. …”
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  10. 590
  11. 591

    User Preference-Based Heterogeneous Network Management System for Vertical Handover by Samuel Ndegwa, Kumbirayi Nyachionjeka, Edwell T. Mharakurwa

    Published 2023-01-01
    “…Vertical handover management plays an essential role in wireless network technologies, mainly due to the rapid development of various radio access technologies (RATs) that require users to connect seamlessly from one RAT to another. …”
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    Article
  12. 592

    Zigbee Wireless Sensor Networks: Performance Study in an Apartment-Based Indoor Environment by Biswajit Kumar Dash, Jun Peng

    Published 2022-01-01
    “…It shares the unlicensed 2.4 GHz Industrial, Scientific, and Medical (ISM) radio band with other wireless networks such as Wi-Fi. …”
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  13. 593

    Strong turbulent flow in the subauroral region in the Antarctic can deteriorate satellite-based navigation signals by D. S. Kotova, A. A. Sinevich, A. A. Chernyshov, D. V. Chugunin, Y. Jin, W. J. Miloch

    Published 2025-01-01
    “…Such high velocities and structured plasma can affect trans-ionospheric radio waves and lead to scintillations in the received signal. …”
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  14. 594
  15. 595

    Interconnection algorithm of a wide range of pervasive devices for the Internet of things by Tao Chi, Ming Chen

    Published 2018-01-01
    “…The optimization criteria consist of a specification of the behaviors of wireless communications (radio frequency identification, Bluetooth, Wi-Fi) and a set of constraints and goals. …”
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  16. 596

    Development of algorithm for receiving and decoding input signal using MTD decoder for subscriber terminals operating with low-orbit spacecraft by D. P. Sedunov, A. S. Zhunusova

    Published 2021-03-01
    “…The speed of data transmission in a radio channel is actually determined by the level of interference present due to the fact that the radio transmission medium is a public environment and other electronic devices operate in it. …”
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  17. 597

    Evaluating the Relationship Between Relative Permittivity and Infill Density in 3D Printed Dielectric Slabs by Bibek Kattel, Winn Elliott Hutchcraft, Richard K. Gordon

    Published 2025-01-01
    “…As the infill density of a 3D printed substrate is varied, its relative permittivity also varies which affects the performance of radio frequency devices. Hence, it is essential to characterize the relationship between relative permittivity and infill density in 3D printed substrates. …”
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  18. 598
  19. 599

    Double Day Work: How Women Cope with Time Demands by Suzanna Smith, Diana Converse

    Published 2009-04-01
    “…FAR5047, a 2-page transcript of the Family Album Radio Program broadcast by Suzanna Smith and Diana Converse, describes the imbalance between women in the work force and men in the amount of time spent on household duties, and the strategies women develop for combining the demands of work and family. …”
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  20. 600

    News Writing for Print by Ricky Telg, Lisa Lundy

    Published 2021-06-01
    “…This series also covers an introduction to news media writing, grammar and punctuation, news writing for television and radio, and interviews for news stories. Minor revision by Ricky Telg and Lisa Lundy. …”
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