Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Dajung Han"'
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 66:557-562
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58dbd50344ea9ea2ac7ddd5f095115a4
https://doi.org/10.5370/kiee.2017.66.3.557
https://doi.org/10.5370/kiee.2017.66.3.557
Publikováno v:
2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility (EMC/APEMC).
In this paper, we propose a method to handle the isolation problem of a MIMO antenna for Wi-Fi access point(AP). Firstly, a quasi-Yagi antenna is designed with a transmission-line balun at the feed. Secondly, this conventional quasi-Yagi antenna is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0420cb36bf21a01b1e9a0fe32b08892d
https://doi.org/10.1109/isemc.2018.8393913
https://doi.org/10.1109/isemc.2018.8393913
Publikováno v:
12th European Conference on Antennas and Propagation (EuCAP 2018).
This paper presents a new array antenna of printed dipoles for beamforming which avoids severely negative influence of nearby metal planes. This is made to be possible by placing a thin artificial magnetic conductor(AMC) beneath each of the printed d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6050e508e4815e7601c6de87775ae42b
https://doi.org/10.1049/cp.2018.0841
https://doi.org/10.1049/cp.2018.0841
Publikováno v:
2017 IEEE Asia Pacific Microwave Conference (APMC).
This paper suggests a printed loop antenna having robust impedance matching and electromagnetic radiation, and low EM effect on the human body. This is achieved by developing a thin and small-area artificial magnetic conductor (AMC) supporting the lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acb156a4d8d9a7a1fbe84c78791d929b
https://doi.org/10.1109/apmc.2017.8251449
https://doi.org/10.1109/apmc.2017.8251449
Autor:
Muhammad Kamran Khattak, Changhyeong Lee, Dajung Han, Sungtek Kahng, Heejun Park, Muhammad Salman Khattak, Abdul Rehman
Publikováno v:
2017 International Symposium on Antennas and Propagation (ISAP).
This paper presents the design of a palm-sized metamaterial antenna system having reconfigurable polarization as well as dual-band characteristics. Basically, three antennas are laid by 45 degrees in order and excited by a compact metamaterial equal-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f33578f4045efdde479318e210cef670
https://doi.org/10.1109/isanp.2017.8228849
https://doi.org/10.1109/isanp.2017.8228849
Autor:
Dajung Han, H. Park, M. Salman Khattak, Abdul Rehman, Changhyeong Lee, M. Kamran Khattak, Sungtek Kahng
Publikováno v:
2017 International Symposium on Antennas and Propagation (ISAP).
A flat and low profile, wideband and high gain Substrate Integrated Waveguide (SIW) Transmission Line (TL) Butler Matrix (BM) beamforming network (BFN) for beamforming and beam-steering applications at 28 GHz (5G) is presented in this paper. Four dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4b770cef92c42c156c32904f36b1d47
https://doi.org/10.1109/isanp.2017.8228856
https://doi.org/10.1109/isanp.2017.8228856
Autor:
Changhyeong Lee, Muhammad Kamran Khattak, Dajung Han, Abdul Rehman, H. Park, Sungtek Kahng, Muhammad Salman Khattak
Publikováno v:
2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP).
A hybrid multi-mode antenna module for future wireless communication devices in general and smart phones in particular is presented. The antenna module includes four MIMO chip antennas with the operating frequency of 2.4 GHz for Wi-Fi, Bluetooth etc.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce2a1f665c69263320038054d8117d79
https://doi.org/10.1109/apcap.2017.8420795
https://doi.org/10.1109/apcap.2017.8420795
Publikováno v:
2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC).
This paper deals with an effective method to maximize the characteristics of a MIMO antenna system for cars. This stems from the improvement of isolation between the two radiators. A metamaterial kind of decoupling device which is a modified SRR curb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3d84039ea8e01e70c5787823bfd21d8
https://doi.org/10.1109/apwc.2017.8062281
https://doi.org/10.1109/apwc.2017.8062281
Autor:
M. Kamran Khattak, Dajung Han, Changhyeong Lee, Abdul Rehman, M. Salman Khattak, Sungtek Kahng
Publikováno v:
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting.
A low profile, wideband and high gain Substrate Integrated Waveguide (SIW) Transmission Line (TL) Butler Matrix (BM) beamforming network (BFN) for beamforming and beam-steering applications at 28 GHz (5G) is presented in this paper. Four distinct bea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4d38537e2299cb7491dc4a5ca5d7a1b
https://doi.org/10.1109/apusncursinrsm.2017.8073330
https://doi.org/10.1109/apusncursinrsm.2017.8073330
Publikováno v:
2016 International Conference on Signal Processing and Communication (ICSC).
This paper presents the physical implementation of an antenna system for 4-by-4 MIMO communication. Considering the size of the typical antenna for LTE-band wireless communication, it is very difficult to increase the number of the radiators more tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::582aa0e0ac967e9a7b5b76ba5d6b2ab9
https://doi.org/10.1109/icspcom.2016.7980548
https://doi.org/10.1109/icspcom.2016.7980548