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661“…Moreover, we introduce insights on some PD-NOMA VLC system constraints and challenges such as power allocation, clipping effect, MIMO and security. Finally, we provide open research problems as well as possible directions for future research to pave the way for the implementation of PD-NOMA VLC systems.…”
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662por Ribeiro, Vinícius Souza“…. • Uses a Mamdani expert system of MIMO type to estimate institutional indexes. • Institutional ambient scores related to tilapia production in Brazil are presented. • The combined use of the method with others can be valuable for the research field.…”
Publicado 2022
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663“…In addition, an analysis of the noise immunity of quadrature amplitude modulation (QAM) signal reception is carried out using different approximating structures in the estimation algorithm for systems with a single transmitting and receiving antenna (SISO) and for systems with multiple transmitting and receiving antennas (MIMO). Furthermore, this article examines the influence of the duration of the test signal, the number of sessions of its transmission, and the channel extrapolation interval on the quality of signal reception.…”
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664“…Both massive multiple-input multiple-output (MIMO) and millimeter wave (mmW) bands are emerging technologies that can be implemented to increase the spectral efficiency of an area, and a number of expectations have been placed on them for future-generation wireless communications. …”
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665A Review of Circularly Polarized Dielectric Resonator Antennas: Recent Developments and Applicationspor Abd Rahman, Nur Akmal, Mohd Yasin, Mohd Najib, Ibrahim, Imran Mohd, Jusoh, Muzammil, Noor, Shehab Khan, Ekscalin Emalda Mary, Mervin Retnadhas, Zamin, Norshuhani, Nurhayati, Nurhayati“…Multiple-input-multiple-output (MIMO) CP DRAs, which can increase channel capacity, link reliability, and data rate, have also been analyzed. …”
Publicado 2022
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666por Artoos, K, Collette, C, Fernandez Carmona, P, Guinchard, M, Hauviller, C, Janssens, S, Kuzmin, A, Lackner, F, Leuxe, R, Slaathaug, A“…The paper discusses the choices of the position and orientation of the actuators and the tailored rigidities of the flexural hinges in the multi degree of freedom system, and the corresponding MIMO control system. The compatibility with the magnet support and micrometre alignment system is essential. …”
Publicado 2010
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667“…The new method was designed for multiple-input–multiple-output (MIMO) radar with time division multiplexing (TDM). …”
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668“…Based on AmpFi, FuFi is proposed, which considers all of the subcarriers in the MIMO system as the independent features and adopts the normalized amplitudes of the full-dimensional subcarriers as the fingerprint. …”
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669por Saleem, Ahmed, Basit, Abdul, Munir, Muhammad Fahad, Waseem, Athar, Khan, Wasim, Malik, Aqdas Naveed, AlQahtani, Salman A., Daraz, Amil, Pathak, Pranavkumar“…In this paper, we design constant modulus waveforms for dual-function radar-communication (DFRC) systems based on a multi-input multi-output (MIMO) configuration of sensors for a far-field scenario. …”
Publicado 2023
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670“…In this work, we model a 5G downlink channel using millimeter-wave (mmWave) and massive Multiple-Input Multiple-Output (mMIMO) technologies, considering the following localization parameters: Time of Arrival (TOA), Two-Dimensional Angle of Departure (2D-AoD), and Two-Dimensional Angle of Arrival (2D-AoA), both encompassing azimuth and elevation. …”
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671por Nafisi, Vahid Reza, Eghbal, Manouchehr, Motlagh, Mohammad Reza Jahed, Yavari, Fatemeh“…The multi-input multi-output (MIMO) fuzzy logic controller receives three parameters from the model (heart rate, arterial blood pressure, and relative blood volume) as input. …”
Publicado 2011
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672por Tang, Xiaowei, Tang, Jun, He, Qian, Wan, Shuang, Tang, Bo, Sun, Peilin, Zhang, Ning“…In order to enhance the performance of NGR, the signal model of NGR with master-slave architecture based on a single pulse is extended to the case of pulse trains, in which multiple pulses are emitted from all sensors and then integrated spatially and temporally in a unique master sensor. For the MIMO mode of NGR where orthogonal waveforms are emitted, we derive the closed-form Cramer-Rao bound (CRB) for the estimates of generalized coherence parameters (GCPs), including the time delay differences, total phase differences and Doppler frequencies with respect to different sensors. …”
Publicado 2013
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673“…A new model-based sensor fault diagnosis (FD) scheme, using an equivalent model, is developed for a kind of Multiple Inputs Multiple Outputs (MIMO) nonlinear system which fulfills the Lipschitz condition. …”
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674“…A robust computational technique for model order reduction (MOR) of multi-time-scale discrete systems (single input single output (SISO) and multi-input multioutput (MIMO)) is presented in this paper. This work is motivated by the singular perturbation of multi-time-scale systems where some specific dynamics may not have significant influence on the overall system behavior. …”
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675“…Each primitive action pattern can be segmented from the outliers of its multi-input multi-output (MIMO) signals by a proposed segmentation method. …”
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676“…The traditional beam selection algorithms determine the optimal beam direction by feeding back the perfect channel state information (CSI) in a millimeter wave (mmWave) massive Multiple-Input Multiple-Output (MIMO) system. Popular beam selection algorithms mostly focus on the methods of feedback and exhaustive search. …”
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677“…Massive multiple-input multiple-output (MIMO) is envisioned to offer a considerable improvement in capacity, but it has a high cost and the radio frequency (RF) chain components have a high power consumption at high frequency. …”
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678“…The Lenstra-Lenstra-Lovász (LLL) lattice reduction algorithm and many of its variants have been widely used by cryptography, multiple-input-multiple-output (MIMO) communication systems and carrier phase positioning in global navigation satellite system (GNSS) to solve the integer least squares (ILS) problem. …”
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679“…Three types of ANN, namely Multi-Input Multi-Output (MIMO), Multi-Input Single-Output (MISO), and Recurrent Neural Network (RNN) have been compared, for multi-step-ahead forecasting, on a sensor’s streaming data. …”
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680“…As a benefit, secure communications can be ensured by using the proposed algorithm for the multiple input multiple output (MIMO) interference relay IoT network in the presence of an eavesdropper.…”
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