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Efficiency Improvement of Mobile Antenna by Controlling Ground Structure

Title
Efficiency Improvement of Mobile Antenna by Controlling Ground Structure
Author
김형동
Keywords
PIFA; Mobile device; Efficiency
Issue Date
2016-10
Publisher
ISAP
Citation
2016 International Symposium on Antennas and Propagation (ISAP), Page. 714-715
Abstract
The proposed antenna structure with modified ground plane that fully covers Bluetooth and Wireless Fidelity (Wi-Fi) applications. In order to enhance the efficiency, a resonator which consists of a closed loop of a ground plane and lumped inductor (L) are proposed. The closed loop is connected to the ground plane with open-end extension by lumped inductor for easy control. This antenna designed on Flame Retardant Type 4 (FR-4) with 1 mm-thickness was used as the substrate (= 4.4, tan  = 0.02). The overall volume of Printed Circuit Board (PCB) is 40 × 20 ×1 mm3 and the size of a closed loop is 10mm ×20mm. A -6 dB bandwidth covering 250 MHz (2.38 GHz – 2.62 GHz) is achieved and average efficiency of 69.05% is obtained in measurement. This technique is versatile and improves the antenna performances.
URI
https://ieeexplore.ieee.org/document/7821467?arnumber=7821467&SID=EBSCO:edseeehttps://repository.hanyang.ac.kr/handle/20.500.11754/81150
ISBN
978-4-88552-313-7
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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