Showing 101 - 120 results of 456 for search '"communications system"', query time: 0.08s Refine Results
  1. 101

    Treating without Seeing: Pain Management Practice in a Thai Context by Manaporn Chatchumni, Ampaporn Namvongprom, Henrik Eriksson, Monir Mazaheri

    Published 2016-01-01
    “…Three themes were constructed that describe the way Thai nurses practiced pain management: (i) complex communications system to address pain and to respond to it, (ii) the essence of Thai-ness, and (iii) a passive approach to pain management. …”
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    Article
  2. 102

    Impulse Noise Parameter Assessment in a Batch Radio Channel by A. Yu. Bekkiev, V. A. Makoviy

    Published 2019-06-01
    “…The paper considers tactical level radio communications system operation when jammed with powerful impulse noise of various nature. …”
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    Article
  3. 103

    Generative Adversarial Networks for Unmanned Aerial Vehicle Object Detection with Fusion Technology by Nageswara Guptha M, Y. K. Guruprasad, Yuvaraja Teekaraman, Ramya Kuppusamy, Amruth Ramesh Thelkar

    Published 2022-01-01
    “…Unmanned aerial vehicles (UAVs) also called as a drone comprises of a controller from the base station along with a communications system with the UAV. The UAV plane can be precisely controlled by a machine operator, similar to remotely directed aircraft, or with increasing grades of autonomy, as like autopilot assistance, up to completely self-directed aircraft that require no human input. …”
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  4. 104

    Angular Circle Array Multiple Input Multiple Output Underwater Optical Wireless Communications by Zhuoqi Chen, Yuhe Liu, Xiang Yi, Ruiqin Zhao

    Published 2024-12-01
    “…Results show that the proposed angular circular array MIMO communication system has a higher channel capacity compared to planar circular array MIMO communication systems and SISO communication systems.…”
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    Article
  5. 105

    Variational Estimation of Optimal Signal States for Quantum Channels by Leonardo Oleynik, Junaid Ur Rehman, Hayder Al-Hraishawi, Symeon Chatzinotas

    Published 2024-01-01
    “…Furthermore, since the channel knowledge is not required at the transmitter or at the receiver, these results can be employed in arbitrary quantum communication systems, including satellite-based communication systems, a particularly relevant platform for the quantum Internet.…”
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  6. 106

    Least Square Estimation-Based Different Fast Fading Channel Models in MIMO-OFDM Systems by Walaa Hussein, Kamil Audah, N. K. Noordin, Habib Kraiem, Aymen Flah, Mohd Fadlee, Alyani Ismail

    Published 2023-01-01
    “…In cellular wireless communication systems, channel estimation (CE) plays a pivotal role as a crucial technique applied in orthogonal frequency division multiplexing (OFDM) modulation. …”
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  7. 107

    Influence of crosspolarization of dual-polarized antenna elements on the ergodic capacity of a multichannel system by Ekaterina V. Averina, Ksenia V. Smuseva, Pavel A. Tokarev, Grigory K. Uskov

    Published 2024-12-01
    “…These effects can lead to a significant reduction in communication system capacity. Aim. Derive relationships based on the Kronecker model that allow to take into account the polarization properties of antenna elements when calculating the ergodic capacity of a multi-channel communication system. …”
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  8. 108

    Contribution to Synchronization and Tracking Modelisation in a CDMA Receiver by Aicha Alami Hassani, Mohcine Zouak, Mostafa Mrabti

    Published 2013-01-01
    “…We propose and analyze a noncoherent receiver with PN code tracking for direct sequence code division multiple access (DS-CDMA) communication systems. We employ the delay-lock loop (DLL) architectures for the tracking stage. …”
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  9. 109

    Bi-GRU Enhanced Cost-Effective Memory-Aware End-to-End Learning for Geometric Constellation Shaping in Optical Coherent Communications by Zhiyang Liu, Xiaoyu Liu, Shilin Xiao, Weiying Yang, Weisheng Hu

    Published 2024-01-01
    “…The performance of the proposed system has been numerically verified at a 32 GBd 5-channel wavelength division multiplexing (WDM) 64 quadrature amplitude modulation (QAM) 800 km optical coherent communication system. Results show that the proposed bi-GRU based GCS scheme can achieve a performance gain over square 64QAM in mutual information (MI) with 0.12 bits/symbol and a Q-factor gain of 0.4 dB at optimal launched optical power. …”
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  10. 110
  11. 111

    Dossier Communication des primates humains et non humains : à la recherche des origines du langage – Introduction générale by Adrien Meguerditchian

    Published 2014-03-01
    “…Human language is a unique and extraordinary communicative system involving many cognitive features. While the contributions of primatologists have historically poorly considered the question of its origins, there is a renewed interest in the scientific community regarding the investigations on primate communication systems and their potential continuities with the properties of human language. …”
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  14. 114

    Low-Complexity Transmit Antenna Selection and Beamforming for Large-Scale MIMO Communications by Kun Qian, Wen-Qin Wang, Huaizong Shao

    Published 2014-01-01
    “…This is particularly useful in antenna selection for large-scale MIMO communication systems.…”
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  18. 118

    Evaluation of Selected Modulation Techniques in Underwater Multipath Channel by Agnieszka Czapiewska, Andrzej Luksza, Ryszard Studanski, Lukasz Wojewodka, Andrzej Zak

    Published 2025-01-01
    “…Nevertheless, it is worth to analyze if solutions known from radio communication systems are applicable for underwater hydroacoustic purposes. …”
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  19. 119

    Tropospheric Ducting: A Comprehensive Review and Machine Learning-Based Classification Advancements by Mohammed Banafaa, Ali Hussein Muqaibel

    Published 2025-01-01
    “…While beneficial in some contexts, these phenomena can disrupt communication systems, particularly in maritime and coastal regions where ducting conditions are prevalent. …”
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  20. 120