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Decoupler Design for MIMO Antennas of USB Dongle Applications Using Ground Mode Coupling Analysis

Title
Decoupler Design for MIMO Antennas of USB Dongle Applications Using Ground Mode Coupling Analysis
Author
김형동
Keywords
RESONANCE FEED STRUCTURE; MONOPOLE ANTENNA; RADIATION ANTENNA; DIVERSITY ANTENNA; ENHANCEMENT; PIFA; ELEMENTS; SYSTEM
Issue Date
2018-11
Publisher
ELECTROMAGNETICS ACAD
Citation
PROGRESS IN ELECTROMAGNETICS RESEARCH M, v. 76, page. 113-122
Abstract
In this paper, the impact of decoupler type has been analyzed on the performance of planar inverted-F antenna (PIFA)-based multiple-input multiple-output (MIMO) antenna. A T-type and a loop-type decoupler have been employed for the isolation of the MIMO antennas, and the performances of the two cases have been compared. The decouplers have been selected based on their different coupling mechanisms with the dominant ground mode. The antennas have been designed for the ground configuration of a USB dongle operating at 2.45 GHz band. Characteristic mode analysis of the ground plane has been carried out, and the MIMO systems have been analysed based on the coupling among the antenna, decoupler and the dominant characteristic mode of the ground plane. It has been observed that the coupling between the decoupler and the ground mode significantly affects the radiation efficiency as well as the diversity performance of the MIMO antenna.
URI
http://www.jpier.org/PIERM/pier.php?paper=18092604http://repository.hanyang.ac.kr/handle/20.500.11754/120508
ISSN
1937-8726; 1098-8963
DOI
10.2528/PIERM18092604
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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