Articles with "uniform circular" as a keyword



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Integration of OAM and WDM in optical wireless system by radial uniform circular array

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Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.04.059

Abstract: Abstract We propose and experimentally demonstrate a novel network architecture to realize fiber and wireless orbital angular momentum (OAM) integration. Each mode of the OAM generated by a radial uniform circular array (UCA) is used… read more here.

Keywords: radial uniform; integration; wireless; circular array ... See more keywords
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Optimal Design of Uniform Circular Antenna Array in mmWave LOS MIMO Channel

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Published in 2018 at "IEEE Access"

DOI: 10.1109/access.2018.2870520

Abstract: The capacity of millimeter-wave (mmWave) line-of-sight (LOS) multiple-input multiple-output (MIMO) channel can be reduced due to the absence of rich scattering. However, the optimization of antenna array deployment can enable the maximum spatial multiplexing gain… read more here.

Keywords: mmwave los; los mimo; mimo channel; antenna array ... See more keywords
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High Resolution 2-D Electromagnetic Vortex Imaging Using Uniform Circular Arrays

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2941285

Abstract: The vortex electromagnetic (EM) wave carrying orbital angular momentum (OAM) has been introduced in radar imaging to take full advantage of its special phase front. It has been demonstrated that the azimuthal and range resolution… read more here.

Keywords: resolution; resolution electromagnetic; uniform circular; vortex imaging ... See more keywords
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Learning-Based Signal Detection for Wireless OAM-MIMO Systems With Uniform Circular Array Antennas

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3043004

Abstract: This paper presents a neural-like network-based signal detection method for orbital angular momentum multiplexing systems with uniform circular array antennas. The signal detection network is derived by unfolding the alternating direction method of multipliers (ADMM),… read more here.

Keywords: based signal; uniform circular; signal detection; systems uniform ... See more keywords
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Effect of Mutual Coupling on Uniform Circular Arrays With Vector Antenna Elements

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Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2017.2666838

Abstract: In this letter, the mutual coupling among vector antenna (VA) elements is derived based on the electromagnetic theory, where a uniform circular array with VAs is utilized as the transmit antenna array. By exploiting our… read more here.

Keywords: vector antenna; coupling; mutual coupling; antenna elements ... See more keywords
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Compact Uniform Circular Quarter-Wavelength Monopole Antenna Arrays With Wideband Decoupling and Matching Networks

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Published in 2021 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2020.3016422

Abstract: Two novel decoupling and matching networks (DMNs) in microstrip technology for three-element uniform circular arrays (UCAs) are investigated and compared to a more conventional DMN approach with simple neutralization lines. The array elements are coaxially-fed… read more here.

Keywords: uniform circular; quarter wavelength; monopole; matching networks ... See more keywords
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Novel Approach to 2D DOA Estimation for Uniform Circular Arrays Using Convolutional Neural Networks

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Published in 2021 at "International Journal of Antennas and Propagation"

DOI: 10.1155/2021/5516798

Abstract: This paper presents a novel efficient high-resolution two-dimensional direction-of-arrival (2D DOA) estimation method for uniform circular arrays (UCA) using convolutional neural networks. The proposed 2D DOA neural network in the single source scenario consists of… read more here.

Keywords: using convolutional; doa; doa estimation; circular arrays ... See more keywords
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A Coherent Wideband Acoustic Source Localization Using a Uniform Circular Array

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Published in 2023 at "Sensors"

DOI: 10.3390/s23115061

Abstract: In modern applications such as robotics, autonomous vehicles, and speaker localization, the computational power for sound source localization applications can be limited when other functionalities get more complex. In such application fields, there is a… read more here.

Keywords: localization; source localization; uniform circular; circular array ... See more keywords