Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Chong-Zhi Han"'
Publikováno v:
Micromachines, Vol 15, Iss 6, p 705 (2024)
In this paper, a novel input impedance analysis methodology based on Babinet’s principle to broaden bandwidth is proposed, and a broadband multiple-input and multiple-output (MIMO) antenna system is designed, fabricated, and measured for fifth-gene
Externí odkaz:
https://doaj.org/article/bbcd882bae284389b37b513108955055
Publikováno v:
International Journal of Antennas and Propagation, Vol 2023 (2023)
In this article, an 8 × 8 MIMO antenna system with multidecoupling structures is proposed for the fifth-generation (5G) terminal applications. First, an antenna element consisting of an L-shaped open slot with dimensions of 5.6 × 5 mm2 and two bent
Externí odkaz:
https://doaj.org/article/4ae69e5ae53842b0b03ab8a3bb676d5d
Publikováno v:
International Journal of Antennas and Propagation, Vol 2022 (2022)
A low-profile dual-band directional antenna operating at both 2.4 and 5 GHz for wireless local area networks (WLANs) for unmanned aerial vehicles (UAVs) applications is proposed in the paper. Two pairs of dipole antenna arrays with different electric
Externí odkaz:
https://doaj.org/article/fecc22e897ef47ef8a087bfa91997464
Publikováno v:
IEEE Access, Vol 8, Pp 73151-73163 (2020)
In this paper, 4 × 4/8 × 8/10 × 10 multiple input multiple output (MIMO) antenna systems composed of co-located self-neutralized antenna pairs are proposed to operate at 4.8-5.0 GHz (part of N77 band) for the fifth-generation (5G) communication ap
Externí odkaz:
https://doaj.org/article/677c4c768c014c6393466d43297e6a3c
Publikováno v:
IEEE Access, Vol 8, Pp 56281-56289 (2020)
In this paper, we presented an ultra-wideband multiple-input multiple-output (MIMO) antenna system with high element-isolation for the application in 5G metal-frame smartphones. We proposed T-shaped and C-shaped slots on the metal frame generating fo
Externí odkaz:
https://doaj.org/article/801d3659187948b6a3e70acfb67d47e4
Autor:
Chong-Zhi Han, Shu-Min Liao, Kai-Dong Hong, Guan-Long Huang, Tao Yuan, Wonbin Hong, Chow-Yen-Desmond Sim
Publikováno v:
IEEE Access, Vol 7, Pp 48037-48045 (2019)
A frequency-reconfigurable antenna featuring four integrated switches for metal-frame and full-display screen handset applications is proposed in this paper. To achieve full-display aesthetics, the nonground portion of the proposed antenna is reduced
Externí odkaz:
https://doaj.org/article/2bcca4e4702a4e80937e1ff2aab24629
Publikováno v:
IEEE Access, Vol 6, Pp 64041-64049 (2018)
A frequency-reconfigurable frame-antenna integrated with a coupling strip and tuner loading is proposed for all-metal-shell mobile telephones. The coupling strip introduces additional capacitance to the feeding structure of the antenna, rendering the
Externí odkaz:
https://doaj.org/article/8763377b69da4553ad095f51fc2e5a87
Publikováno v:
Journal of Electromagnetic Engineering & Science; Jul2024, Vol. 24 Issue 4, p426-434, 9p
Publikováno v:
Applied Computational Electromagnetics Society Journal; Oct2023, Vol. 38 Issue 10, p799-806, 8p
Publikováno v:
Electronics; Volume 12; Issue 13; Pages: 2876
To overcome the limitations of traditional frequency selective surfaces in flexible state switching at the same frequency, this paper proposes a novel active frequency selective surface (AFSS) that simultaneously exhibits conversion between absorptio