Determination of the Efficient Number of Interferefnce Sources in the Problem of Adaptive Estimation of Temporal Waveforms of Narrow-Band Signals Using Antenna Arrays
Sign Up to like & getrecommendations! Published in 2019 at "Radiophysics and Quantum Electronics"
DOI: 10.1007/s11141-019-09969-8
Abstract: We consider the problem of estimating temporal waveforms of the signals, which are generated by a spatially distributed set of sources, by using antenna arrays. To solve this problem, we employ the method of estimating… read more here.
Keywords: efficient number; antenna arrays; temporal waveforms; method ... See more keywords
An Efficient Method for Investigating and Optimizing Near Field Characteristics of Planar Antenna Arrays
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DOI: 10.1007/s11277-016-3888-2
Abstract: Near field focusing of 2-dimensional planar antenna arrays is analyzed by using a very efficient analytical method, instead of time consuming numerical methods. This is especially important for the design and optimization process for dynamic… read more here.
Keywords: planar antenna; field; antenna arrays; near field ... See more keywords
Broadband circularly polarized slot antenna arrays using linked elliptical slots for C- and X-band applications
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078717000812
Abstract: Compact broadband circularly polarized elliptical slot antenna arrays (CPESAAs) are devised based on 2 × 2 and 4 × 4 circularly polarized (CP) elliptical slot antennas and a sequential phase feed network. To realize the… read more here.
Keywords: circularly polarized; antenna arrays; broadband circularly; slot antenna ... See more keywords
Fractal antenna arrays for MIMO radar applications
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DOI: 10.1017/s1759078717001015
Abstract: In this contribution, fractal antenna arrays are analyzed for their applicability in multiple-input multiple-output (MIMO) radars. Array geometries based on the Fudgeflake fractal and the Gosper island fractal are investigated. In addition, a concept for… read more here.
Keywords: receiving antennas; fractal antenna; antenna arrays; arrays mimo ... See more keywords
Wideband split-ring antenna arrays based on substrate integrated waveguide for Ka-band applications
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078721000684
Abstract: Abstract This paper presents wideband split-ring antenna arrays based on substrate integrated waveguide (SIW) for Ka-band (26.5–40 GHz) applications. The antenna array is fed by a 2.92 mm coaxial connector (K-connector) and the power is… read more here.
Keywords: split ring; wideband split; antenna arrays; substrate ... See more keywords
Topological Insulator Antenna Arrays
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DOI: 10.1021/acsphotonics.0c00797
Abstract: Photonic topological insulators are systems in which the propagation of their edge states is robust to scattering and reflection. Usually, topological systems are discussed in a lossless system, wh... read more here.
Keywords: insulator antenna; antenna arrays; topological insulator;
Design and implementation of artificial magnetic conductor surface as decoupling structure in microstrip antenna arrays
Sign Up to like & getrecommendations! Published in 2021 at "Circuit World"
DOI: 10.1108/cw-04-2021-0100
Abstract: Purpose Millimeter wave spectrum represents new opportunities to add capacity and faster speeds for next-generation services as fifth generation (5G) applications. In its Spectrum Frontiers proceeding, the Federal Communications Commision decided to focus on spectrum… read more here.
Keywords: surface; decoupling structure; structure; design ... See more keywords
Joint Adaptive AoA and Polarization Estimation Using Hybrid Dual-Polarized Antenna Arrays
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2922338
Abstract: The propagation of a millimeter wave (mmWave) signal is dominated by its line-of-sight component. Therefore, the knowledge of angle-of-arrival and polarization state of the wave is of great importance for its reception at the receiver.… read more here.
Keywords: dual polarized; polarization; using hybrid; estimation ... See more keywords
The Effect of Mutual Coupling on the Performance of GNSS Antenna Arrays
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DOI: 10.1109/access.2020.2968467
Abstract: Serious mutual coupling effect must be taken into account for the miniaturized adaptive anti-jamming antenna arrays in global navigation satellite system (GNSS) receivers. In this paper, the effect of mutual coupling on the performance of… read more here.
Keywords: gnss antenna; coupling; mutual coupling; effect ... See more keywords
Radix-2 Self-Recursive Sparse Factorizations of Delay Vandermonde Matrices for Wideband Multi-Beam Antenna Arrays
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DOI: 10.1109/access.2020.2970342
Abstract: This paper presents a self-contained factorization for the Vandermonde matrices associated with true-time delay based wideband analog multi-beam beamforming using antenna arrays. The proposed factorization contains sparse and orthogonal matrices. Novel self-recursive radix-2 algorithms for… read more here.
Keywords: self recursive; multi beam; vandermonde matrices; delay ... See more keywords
Optimizing Antenna Arrays for Spatial Multiplexing: Towards 6G Systems
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DOI: 10.1109/access.2021.3070198
Abstract: In this paper we discuss the design of antenna arrays to be used for multiplexing applications. In particular, we introduce a suitable performance index to analyze the effect of the antenna geometry and the distribution… read more here.
Keywords: antenna arrays; spatial multiplexing; towards systems; arrays spatial ... See more keywords