Zobrazeno 1 - 10
of 25
pro vyhledávání: '"frequency 2.4 GHz"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 13, Iss 3, Pp 286-290 (2019)
In this study, a single‐fed printed multiband antenna for 4G/5G wireless communication systems is presented. The proposed multiband antenna consists of Franklin strip monopole antenna to cover 4G, and wireless applications (WLAN and WiMAX), and a r
Externí odkaz:
https://doaj.org/article/38f2eee1708a4faa8b57b3964e61ca81
Publikováno v:
The Journal of Engineering (2019)
In this work, the authors experimentally investigate the high-resolution three-dimensional through-the-wall imaging exploiting commodity Wi-Fi signals in an indoor environment. The authors also provide physical insights into this novel imaging strate
Externí odkaz:
https://doaj.org/article/f93e3a35f6ca419da6cf890fad7379c8
Publikováno v:
The Journal of Engineering (2019)
An omnidirectional antenna with a compact size is presented. The diameter of the proposed antenna is 100 mm and the height is ∼0.1λ(L) (12 mm). It consists of two dipoles and four shorting pins. With this configuration, the impedance bandwidth of
Externí odkaz:
https://doaj.org/article/fb22cef2a78e455cb69ea060109ddbd9
Publikováno v:
The Journal of Engineering (2019)
This paper presents the relevancy, design, and test results of a mobile electrical vehicle for the applications of testing and providing electromagnetic interferences in Wi-Fi signal in the band 2.4–2.5 GHz. The mobile device includes power electro
Externí odkaz:
https://doaj.org/article/a012bd02603e4cf2afac45719c3458ea
Publikováno v:
The Journal of Engineering (2014)
This study presents a novel dual-band antenna design methodology utilising a dual-frequency impedance transformer with defected ground structure (DGS). The proposed dual-frequency DGS impedance transformer generates a second resonant frequency from a
Externí odkaz:
https://doaj.org/article/39f4120ab3cf4612ba0c54f443ec3e77
Publikováno v:
The Journal of Engineering (2019)
An omnidirectional antenna with a compact size is presented. The diameter of the proposed antenna is 100 mm and the height is ∼0.1λ(L) (12 mm). It consists of two dipoles and four shorting pins. With this configuration, the impedance bandwidth of
Publikováno v:
The Journal of Engineering (2019)
In this work, the authors experimentally investigate the high-resolution three-dimensional through-the-wall imaging exploiting commodity Wi-Fi signals in an indoor environment. The authors also provide physical insights into this novel imaging strate
Publikováno v:
The Journal of Engineering (2019)
This paper presents the relevancy, design, and test results of a mobile electrical vehicle for the applications of testing and providing electromagnetic interferences in Wi-Fi signal in the band 2.4–2.5 GHz. The mobile device includes power electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bf79ea55413ed37d4808ee723ea13dc
https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8046
https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8046
Publikováno v:
Sensors Applications Symposium
Sensors Applications Symposium, Mar 2019, Sophia Antipolis, France. pp.1-5, ⟨10.1109/SAS.2019.8706061⟩
SAS
Sensors Applications Symposium, Mar 2019, Sophia Antipolis, France. pp.1-5, ⟨10.1109/SAS.2019.8706061⟩
SAS
International audience; In this paper, the use of a four-switchable beam antenna dedicated to Wireless Sensor Network (WSN) in the 2.4 ISM band (2.4-2.485 GHz) to improve link quality between nodes is presented. It consists of two fed monopoles and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ae54af463fd9598e78ca245b1d1efbd
https://hal.archives-ouvertes.fr/hal-02017546
https://hal.archives-ouvertes.fr/hal-02017546
Autor:
F. A. Asadallah, Youssef Tawk, Joseph Costantine, Leonardo Lizzi, Fabien Ferrero, Christos G. Christodoulou
Publikováno v:
2017 IEEE International Symposium on Antennas and Propagation USNC/URSI National Radio Science Meeting
2017 IEEE International Symposium on Antennas and Propagation USNC/URSI National Radio Science Meeting, Jul 2017, San Diego, United States. pp. 917-918, ⟨10.1109/APUSNCURSINRSM.2017.8072501⟩
2017 IEEE International Symposium on Antennas and Propagation USNC/URSI National Radio Science Meeting, Jul 2017, San Diego, United States. pp. 917-918, ⟨10.1109/APUSNCURSINRSM.2017.8072501⟩
International audience; In this paper, a reconfigurable patch antenna design operating at 868MHz for Low Power Wide Area Network (LoRa), 1.58 GHz for Global Positioning System (GPS) and 2.4 GHz for Bluetooth is presented. The design is reconfigurable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0e81e38f3a40457705544d502bc42ce
https://hal.archives-ouvertes.fr/hal-01677166
https://hal.archives-ouvertes.fr/hal-01677166