Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Zhe-Feng Yu"'
Publikováno v:
IEEE Access, Vol 6, Pp 6160-6170 (2018)
A tri-polarized 12-antenna array working in the 3.5-GHz band (3.4-3.6 GHz) for future 5G (the fifth generation mobile communication) multiple-input multiple-output (MIMO) operations in the smartphone is presented. In order to reduce the mutual coupli
Externí odkaz:
https://doaj.org/article/83a5d765fa4c44e2b0dfee26d6312ef5
Publikováno v:
IEEE Access, Vol 5, Pp 4853-4858 (2017)
A reconfigurable loop antenna with two parasitic grounded strips for modern smartphone devices is presented in this paper. The most essential merit of this proposed reconfigurable antenna is that it can keep the intactness of the outer metal rim. In
Externí odkaz:
https://doaj.org/article/ec14be6a7fe742558136412223860f07
Publikováno v:
IEEE Access, Vol 4, Pp 9561-9569 (2016)
This paper presents a substrate integrated waveguide Butler matrix with a modified hybrid coupler, operating from 28 to 32 GHz. The modified hybrid coupler is realized by using 90° hybrid coupler followed by a -45° compensating phase shifter. Thus,
Externí odkaz:
https://doaj.org/article/411f556e2788478588e170b10a21cfe8
Publikováno v:
IEEE Transactions on Plasma Science. 51:1076-1084
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4ed6473ad7692b8b8d2036ea35f5cce
https://doi.org/10.1109/tps.2023.3251983
https://doi.org/10.1109/tps.2023.3251983
Publikováno v:
International Journal of Crashworthiness. 26:388-403
A shock absorber based on the progressive failure of a composite tube was developed. The composite tube is subjected to axial compression from the pressing cap at one end and folds inward at the ot...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bab94a6adfe68adf15c074190532dac
https://doi.org/10.1080/13588265.2020.1718463
https://doi.org/10.1080/13588265.2020.1718463
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 17:928-932
This letter presents a compact dual-layer 4 × 8 Butler matrix (BM) with sidelobe level (SLL) suppression in substrate-integrated waveguide (SIW) technology. Addressing the excessive crossovers in the classic 4 × 8 BM, a novel dual-layer configurati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::465e53e96c5feb8b0ac0b52b53e10fa7
https://doi.org/10.1109/lawp.2018.2825367
https://doi.org/10.1109/lawp.2018.2825367
Publikováno v:
IET Microwaves, Antennas & Propagation. 12:1477-1482
A reconfigurable multiple-input multiple-output (MIMO) antenna design for the smartphone with a metal frame capable of covering hepta-band LTE/WWAN is proposed. The proposed antenna has four monopole slots (two long slots and two short slots) etched
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6ae48cb2598aaa88cbf6411ed41f8b1
https://doi.org/10.1049/iet-map.2017.0654
https://doi.org/10.1049/iet-map.2017.0654
Publikováno v:
IEEE Transactions on Antennas and Propagation. 66:1217-1226
A simple internal antenna design for wireless wide-area network/long-term evolution (LTE) operations is investigated, and it can be incorporated into a mobile phone that has an unbroken metal rim of height 5 mm. The proposed antenna is mainly compose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::328b7439d1edaedb04529776dad60385
https://doi.org/10.1109/tap.2018.2796724
https://doi.org/10.1109/tap.2018.2796724
Publikováno v:
IEEE Transactions on Antennas and Propagation. 66:1299-1310
A planar millimeter-wave 2-D beam-scanning multibeam array antenna fed by compact 16-way beam-forming network (BFN) in multilayered substrate integrated waveguide (SIW) technology is addressed. The BFN is formed by connecting two stacks of sub-BFNs,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79d31e427ad45100ec096e1a83f21a10
https://doi.org/10.1109/tap.2018.2797873
https://doi.org/10.1109/tap.2018.2797873
Publikováno v:
IEEE Transactions on Antennas and Propagation. 66:1553-1558
A near-field communication (NFC) dual-loop antenna with a miniaturized size of $15\,\, \text {mm} \times 25 \,\,\text {mm}$ is initially proposed for full metal-cover smartphone applications. To achieve a small clearance zone on the metal cover, a sm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::999af9967601e0e2ad3abbea85171e68
https://doi.org/10.1109/tap.2018.2790428
https://doi.org/10.1109/tap.2018.2790428