Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Farzad Khajeh-Khalili"'
Publikováno v:
Engineering Reports, Vol 6, Iss 11, Pp n/a-n/a (2024)
Abstract This paper presents a high‐gain wearable circularly polarized bow‐tie antenna (WCPBTA) with metamaterial unit‐cells and 5 pins (5Ps) technique for telemedicine applications such as telemonitoring the elderly or the patients especially
Externí odkaz:
https://doaj.org/article/f66e100674a3428a9fc55bb8766dc2de
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 4, Pp 379-388 (2021)
Abstract A method to significantly increase the gain and isolation of a wideband multiple‐input multiple‐output (MIMO) antenna using metamaterial structures is reported. The proposed metamaterial medium includes just one wall and one superstrate,
Externí odkaz:
https://doaj.org/article/120df8fdc7664daa91db2fb92a61d21d
Publikováno v:
ETRI Journal, Vol 40, Iss 3, Pp 389-395 (2018)
A novel class of planar metamaterial unit‐cells consisting of a peace logo pattern is presented. A significant advantage of the proposed peace‐logo planar metamaterial (PLPM) unit‐cell over existing designs is its tunability, simplicity, and co
Externí odkaz:
https://doaj.org/article/a9ca67c88d0e4f34a6a36d0c190b1c0c
Publikováno v:
Journal of Intelligent Procedures in Electrical Technology, Vol 6, Iss 23, Pp 13-20 (2015)
In this article, a microstrip tri-band Wilkinson power divider, using the equivalent three section transmission line instead of common quarter-wavelength transmission line with help of PSO algorithm, design and simulated. Optimized choices for electr
Externí odkaz:
https://doaj.org/article/ed75e278c4754c759c8520930f2a9d6b
Publikováno v:
The Journal of The Textile Institute. :1-9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d030fbe685d83f6f7087ff5285dd432d
https://doi.org/10.1080/00405000.2023.2197346
https://doi.org/10.1080/00405000.2023.2197346
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 11:294-301
In this article, a simple and effective method based on the metamaterial concept is proposed to achieve very high isolation between the output ports of a millimeter-wave power divider (MWPD). The proposed MWPD is designed for use in 5G applications (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1566ecd44d9d95ad32a0f2e7c18e9d0f
https://doi.org/10.1109/tcpmt.2020.3042963
https://doi.org/10.1109/tcpmt.2020.3042963
Autor:
Farzad Khajeh-Khalili
Publikováno v:
The Journal of The Textile Institute. 112:2013-2020
In this article, a novel wearable and broadband multiple-input and multiple-output (MIMO) antenna is designed for use in several wireless telecommunication/medical systems. In this antenna, two rec...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ecb345294f0d4b6cddbd4bd1a8115df
https://doi.org/10.1080/00405000.2020.1862492
https://doi.org/10.1080/00405000.2020.1862492
Publikováno v:
The Journal of The Textile Institute. 112:1266-1272
In this paper, a novel wearable wideband antenna for application in wireless medical communication systems (0.9–6 GHz) is designed. For bandwidth enhancement, five parallel metal plates (PMPs) are ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f19e708176a37701362a4e6d8e29a8cb
https://doi.org/10.1080/00405000.2020.1809909
https://doi.org/10.1080/00405000.2020.1809909
Publikováno v:
International Journal of Microwave and Wireless Technologies. 13:374-380
In this paper, a simple and efficient method to increase the gain and bandwidth of the wearable antennas used in several medical/communications systems is presented. To increase the gain and bandwidth simultaneously, the triple transmission lines (TT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7c1047751274eda9a4d1c9603456cb9
https://doi.org/10.1017/s1759078720001075
https://doi.org/10.1017/s1759078720001075
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c6827c889180f23cfde6fc9db1d3c9f
https://doi.org/10.1007/s10762-021-00834-2
https://doi.org/10.1007/s10762-021-00834-2