Zobrazeno 1 - 10
of 316
pro vyhledávání: '"BFN"'
Publikováno v:
IEEE Access, Vol 12, Pp 6684-6697 (2024)
In this research study, a metamaterial (MTM) based $1\times4$ linear antenna array is designed with an integrated butler matrix (BM) beamforming network (BFN) to execute the switched-beam antenna array (SAA) operation, which can be employed for sub-6
Externí odkaz:
https://doaj.org/article/bbd5c9da26fa4c6ebebabecd9b09d006
Publikováno v:
IEEE Access, Vol 12, Pp 7896-7910 (2024)
Current wireless communications urgently need to provide huge data rates, high gain and high directivity radiation pattern beams. Therefore, beamforming networks (BFNs) are introduced to provide these needs. Butler matrix (BM) is a type of beamformin
Externí odkaz:
https://doaj.org/article/f6d8109426e448c8ae0089814f2a7bbd
Publikováno v:
Sensors, Vol 24, Iss 2, p 714 (2024)
This article presents a 4-way 2-D butler matrix (BM)-based beamforming network (BFN) using a multilayer substrate broadside coupled stripline (BCS). To achieve the characteristics of a compact, wide-bandwidth, high-gain phased array, a BCS coupler is
Externí odkaz:
https://doaj.org/article/b32b13aed8dc4661be675d2bf1c616ed
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
International Journal of Information and Communication Technology Research, Vol 13, Iss 1, Pp 8-18 (2021)
This article presents a novel 4×8 SIW Butler matrix (BM) with sidelobe level (SLL) suppression. The BM operates at 60 GHz and is implemented with a new design to achieve a compact size, which would be attractive for future mmWave wireless systems. T
Externí odkaz:
https://doaj.org/article/de3aa48a428b43f5b8749fc6a3c62d81
Autor:
Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Noor Asniza Murad, Mohammed Gajibo Mustapha
Publikováno v:
IEEE Access, Vol 9, Pp 3970-3987 (2021)
Due to the rapid development of wireless communication technologies, the number of wireless users are radically increasing. Currently, ~23 billion wireless devices are connected to the internet, and these numbers are expected to increase manifolds in
Externí odkaz:
https://doaj.org/article/0a41fa389ca14f20a80b651cba980c67
Autor:
Jiro Hirokawa, Nelson J. G. Fonseca
Publikováno v:
IEEE Journal of Microwaves, Vol 1, Iss 4, Pp 975-988 (2021)
This paper introduces a novel family of one-dimensional switching matrices, also known as beamforming networks (BFNs), which can be sized for an arbitrary number of beams. It also describes the associated numerical design method, supported by several
Externí odkaz:
https://doaj.org/article/ed1d0139429941a0a442e79ed6951621
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 2, Pp 799-804 (2020)
In the paper the multiferroic (ferroelectric-ferromagnetic) composites based on ferroelectromagnetic/ferroelectric (BaFe1/2Nb1/2O3 (BFN)) powder and ferrite powder (zinc-nickel ferrite) were obtained by two technological methods. In the composite sam
Externí odkaz:
https://doaj.org/article/0e60e711e9f84babb05d685e32efb154
Publikováno v:
Frontiers in Neuroscience, Vol 16 (2022)
Individual identification based on brain functional network (BFN) has attracted a lot of research interest in recent years, since it provides a novel biometric for identity authentication, as well as a feasible way of exploring the brain at an indivi
Externí odkaz:
https://doaj.org/article/ead21f4f3e674e3cbafd4d9a768a1832
Publikováno v:
IEEE Access, Vol 8, Pp 13573-13583 (2020)
This paper proposes a novel compact 4 × 4 butler matrix (BM) with improved bandwidth based on open-circuit coupled-lines and interdigital capacitor unit-cell to develop composite right/left handed (CRLH) transmission-line (TL) metamaterial structure
Externí odkaz:
https://doaj.org/article/65096983e74044c4ab95e3c23a409821