Showing 61 - 80 results of 456 for search '"communications system"', query time: 0.09s Refine Results
  1. 61

    Electronic Communications : systems and circuits / by Adamson, Thomas A., 1936-

    Published 1988
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    Book
  2. 62
  3. 63

    Automate humans or humanize automation? The “Atque” Design and Communication System to redefine the relationship between knowledge and know-how by Marta Guarducci, Luca Toschi, Viola Davini, Marco Sbardella, Pandolfini Eugenio

    Published 2024-03-01
    “…This paper introduces the research conducted by the “scientia Atque usus” Research Center for Generative Communication ETS (from now on: sAu Research Center) dealing with the relationship between new technologies and the enhancement of human creativity. sAu Research Center has been working on the impact of automation in social and creative processes and the research group has conceived and developed the “Atque” Design and Communication System: A suite of functional tools for carrying out activities of research, analysis, design, development, documentation, monitoring, communication and training. …”
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    Article
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  5. 65

    Compressive Sensing Based Bayesian Sparse Channel Estimation for OFDM Communication Systems: High Performance and Low Complexity by Guan Gui, Li Xu, Lin Shan, Fumiyuki Adachi

    Published 2014-01-01
    “…In orthogonal frequency division modulation (OFDM) communication systems, channel state information (CSI) is required at receiver due to the fact that frequency-selective fading channel leads to disgusting intersymbol interference (ISI) over data transmission. …”
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    Article
  6. 66

    A DR Loaded Substrate Integrated Waveguide Antenna for 60 GHz High Speed Wireless Communication Systems by Nadeem Ashraf, Hamsakutty Vettikalladi, Majeed A. S. Alkanhal

    Published 2014-01-01
    “…The concept of substrate integrated waveguide (SIW) technology along with dielectric resonators (DR) is used to design antenna/array for 60 GHz communication systems. SIW is created in the substrate of RT/duroid 5880 having relative permittivity εr=2.23 and loss tangent tan⁡δ=0.003. …”
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    Article
  7. 67

    Performance Analysis of a Six-Port Receiver in a WCDMA Communication System including a Multipath Fading Channel by A. O. Olopade, M. Helaoui

    Published 2014-01-01
    “…Third generation communication systems require receivers with wide bandwidth of operation to support high transmission rates and are also reconfigurable to support various communication standards with different frequency bands. …”
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    Article
  8. 68

    Case studies of communications systems during harsh environments: A review of approaches, weaknesses, and limitations to improve quality of service by Zayan EL Khaled, Hamid Mcheick

    Published 2019-02-01
    “…The failure of communications systems may cause catastrophic damage to human life and economic activities as people are unable to communicate with each other in a timely manner and with a convenient quality of service. …”
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    Article
  9. 69

    System Coverage and Capacity Analysis on Millimeter-Wave Band for 5G Mobile Communication Systems with Massive Antenna Structure by Jun Suk Kim, Jae Sheung Shin, Sung-Min Oh, Ae-Soon Park, Min Young Chung

    Published 2014-01-01
    “…The use of a millimeter-wave band defined as a 30–300 GHz range is significant element for improving performance of 5th generation (5G) mobile communication systems. However, since the millimeter-wave signal has peculiar propagation characteristics especially toward non-line-of-sight regions, the system architecture and antenna structure for 5G mobile communications should be designed to overcome these propagation limitations. …”
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    Article
  10. 70

    Orthogonal frequency‐division multiplexing‐based signal design for a dual‐function radar‐communications system using circulating code array by Yu Zhou, Wen Ren, Qiuyue Zhang, Sisi Chen, Linrang Zhang

    Published 2023-06-01
    “…Abstract In this study, a dual‐function radar‐communications (DFRC) system based on the circulating code array is presented to address the contradiction between radar and communications system in beam scanning and beam coverage. …”
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    Article
  11. 71

    Low-Resolution Quantized Precoding for Multiple-Input Multiple-Output Dual-Functional Radar–Communication Systems Used for Target Sensing by Xiang Feng, Zhongqing Zhao, Jiongshi Wang, Jian Wang, Zhanfeng Zhao, Zhiquan Zhou

    Published 2025-01-01
    “…Dual-functional radar–communication systems are extensively employed for the detection and control of unmanned aerial vehicle groups and play crucial roles in scenario monitoring. …”
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    Article
  12. 72

    Toward More Efficient and More Secure Last Mile Smart Metering and Smart Lighting Communication Systems with the Use of PLC/RF Hybrid Technology by Piotr Kiedrowski

    Published 2015-10-01
    “…This paper describes the last mile communication system solutions realized in PLC/RF hybrid technology, which is dedicated to Smart Grid communication subsystems, mainly for Smart Metering and Smart Lighting applications. …”
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    Article
  13. 73

    Mobile learning mindset : the IT professional's guide to implementation / by Hooker, Carl

    Published 2017
    Subjects: “…Mobile communication systems in education. 14175…”
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    Book
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  17. 77

    Performance Analysis of Multi-UAV Optical Communication Systems Over Foggy Channel Under Málaga Turbulence and Pointing Error Impairments by Guanjun Xu, Xiaozong Yu, Jialin Wang, Zhaohui Song, Qinyu Zhang

    Published 2024-01-01
    “…However, the system performance of FSO-based UAV communication systems is severely affected by several adverse factors, such as atmospheric turbulence, fog-induced absorption, and pointing errors, all of which result in performance deterioration drastically. …”
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  19. 79

    Research and performance analysis on multi-point light-emitting diodes-array intra-vehicle visible light communication systems with DC-biased optical–orthogonal frequency-division multiplexing by Xiaoqing Song, Zixu Zhao, Youcai Wei, Muyu Wang

    Published 2017-09-01
    “…In this article, a DC-biased optical–orthogonal frequency-division multiplexing visible light communication systems based on multi-point light-emitting diodes-array sources in the special-type vehicle is investigated. …”
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    Article
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