Mostrando 541 - 560 Resultados de 786 Para Buscar '"mimo"', tiempo de consulta: 0.30s Limitar resultados
  1. 541
    “…In this paper, a virtual MIMO (V-MIMO) model is proposed by networking multiple HAPs with the concept of multiple assets in view (MAV). …”
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  2. 542
  3. 543
    “…We estimate a linear reduced order MIMO models for transverse intra-bunch dynamics and use these models to design model based MIMO feedback controllers. …”
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  4. 544
    por Tran, Thanh-Nam, Voznak, Miroslav
    Publicado 2021
    “…The article proposes a new switchable coupled relay model for massive MIMO-NOMA networks. The model equips a much greater number of antennas on the coupled relays to dramatically improve capacity and Energy Efficiency (EE). …”
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  5. 545
    “…For 60-GHz band communications, both the mutual coupling and transmission distance restrict the performance of a multiple-input multiple-output (MIMO) antenna array. Several studies presented different types of meta-materials and electromagnetic bandgap (EBG) structures to improve the performance of a MIMO antenna array at the 60-GHz band. …”
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  6. 546
    “…The multiple-input multiple-output (MIMO) technique is widely used in military and civil communication systems. …”
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  7. 547
    “…FEATURED APPLICATION: The proposed dual-band MIMO antenna can be a good candidate for 5G and 4G applications. …”
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  8. 548
    “…Simulation results show that the proposed IA technique significantly improves the sum rate performance compared to conventional HD communications (multi-user MIMO) while achieving the same achievable DoF as the interference-free IBFD MIMO network.…”
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  9. 549
    “…Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO OFDM) is a key technology for wireless communication systems. …”
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  10. 550
    “…This article presents a compact, planar, quad-port ultra-wideband (UWB) multiple-input–multiple-output (MIMO) antenna with wide axial ratio bandwidth (ARBW). …”
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  11. 551
    “…The multiple-input multiple-output (MIMO) technique has become an important means to ameliorate WSNs, and interference management is the core of improving energy efficiency. …”
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  12. 552
    “…This paper investigates the user selection problem in Multi-User MIMO (MU-MIMO) environment using the multi-agent Reinforcement learning (RL) methodology. …”
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  13. 553
    por Kim, Youngdo, Lee, Jaeho, Shin, Ik-Soo
    Publicado 2019
    “…In this study, we synthesized molecularly imprinted mesoporous organosilica (MIMO) in the presence of a new precursor having a zwitterionic functional group and an imprint molecule, namely, glyphosate (MIMO-z). …”
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  14. 554
    “…In this paper, we derive approximate closed form expressions for the probability density function, cumulative distribution function and moment-generating function of the postprocessing signal-to-noise ratio following the zero-forcing detector in a cell-free massive multiple-input multiple-output (CF mMIMO) system. CF mMIMO system is a nonorthogonal multiple access (NOMA) system that enables users to share all channel uses and can ensure the fairness of the communication quality experienced by different users. …”
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  15. 555
    “…Multiple-input multiple-output (MIMO) wireless power transfer (WPT) technology which employs multiple transmitter (TX) coils to simultaneously couple power to the receiver (RX) coil has proved to be an effective technique to enhance power transfer efficiency (PTE). …”
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  16. 556
    por Cogalan, T., Haas, H., Panayirci, E.
    Publicado 2020
    “…Multiple-input multiple-output (MIMO) techniques are therefore a promising avenue of research. …”
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  17. 557
    “…Multiple-input multiple-output (MIMO) ground moving target indication (GMTI) radar has been studied recently because of its excellent performance. …”
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  18. 558
  19. 559
    “…This study evaluated the implementation of a midwifery model of woman-centered care (MiMo) in practice. METHODS: A mixed method study based on an implementation of MiMo was carried out in a labor ward at a university hospital in Sweden, with another labor ward as a reference. …”
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  20. 560
    “…A quad-element multiple-input-multiple-output (MIMO) antenna with ultra-wideband (UWB) performance is presented in this paper. …”
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