Results 11 to 20 of about 16,043 (252)
A Compact Design of 4×4 Butler Matrix with Four Linear Array Antenna at 38 GHz
International Journal of Electrical, Energy and Power System Engineering, 2022 This paper creates a compact design of a 4×4 butler matrix integrated with an array of antenna elements at 38 GHz frequency. The antenna simulation performance is acceptable, approaching the ideal one.
Yusnita Rahayu +2 more
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Multi-Beam 5G Antenna With Miniaturized Butler Matrix Using Stacked LTCC
IEEE Access, 2023 In this work, we present a compact four-direction beamforming 5G antenna based on a stacked $4\times4$ Butler matrix and a microstrip patch array antenna.
Jaewoong Jung +2 more
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Butler matrix based six-port passive junction [PDF]
2014 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), 2014 In this work we propose the utilization of the Butler matrix as a six-port I/Q demodulator. The inherent symmetry of its topology allows to overcome the intrinsic amplitude and phase imbalances of the traditional approaches making it more suitable for the design of high performance six-port networks. To demonstrate the validity of the proposal a Butler
Alvaro Moscoso-Mártir +6 more
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Millimeter-Wave Butler Matrix Beamforming Circuit Using Finline in Double-Layer Dielectric Substrate
IEEE Open Journal of Antennas and Propagation, 2020 This article presents a new kind of finline in double-layer dielectric substrate and its beamforming circuit of Butler matrix in the millimeter-wave band. The finline is constructed by inserting a slotline between two dielectric substrate layers. In this
Nguyen Thanh Tuan +5 more
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Staircase Array Antenna With Stacked Butler Matrix for Concurrent Multi-Beams
IEEE Access, 2023 Massive Multiple-Input Multiple-Output (Massive MIMO), which uses a large number of antenna, has been investigated to realize high-speed wireless communications. However, as the number of antenna increases, the number of components also increases.
Hideya So +6 more
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A Sensitivity Study of Butler Matrices: Application to an SIW Extended Beam Matrix at 28 GHz
IEEE Access, 2022 In this paper, a detailed sensitivity study of Butler matrices is proposed. In particular, a Monte Carlo analysis is carried out on each block constituting the matrix to estimate its impact on the overall performance. The isolation level of the crossover
Giuseppe Acri +5 more
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IEEE Access, 2022 We are developing a spatial multiplexing technique based on orbital angular momentum (OAM) that is capable of 1 Tbit/s point-to-point wireless transmissions for the sixth generation mobile communication system.
Yasunori Yagi +2 more
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Caravelle, 2021 This article reflects on the recent productions of marginal peripheral literature, particularly the case of the poetry of Alessandro Buzo’s poetry in light of the notions of the abject as a matrix of segregation (Kristeva, Butler), fear as political ...
Jorge Ignacio Cid Alarcón
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BUTLER MATRIX IN MICROSTRIP-SLOT TECHNOLOGY
International Journal of Research -GRANTHAALAYAH, 2017 The design of a 4 x 4 Butler Matrix for use in a multi-beam antenna array operating over wide frequency band is presented. In order to achieve wideband characteristics, the matrix uses microstrip-slot technology that employs two microstrip dielectric layers with a common ground plane and a coupling slot.
D.Rajeswari, T.Jayanthy
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IEEE Access, 2020 In this paper, a smart antenna array based on the image-aware technique that can automatically switch its beam to track users is proposed. Mobilenet, a deep neural network (DNN), is utilized to find the users' position information from images; it is ...
Yuchen Ma +7 more
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