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Design of a Dual-Mode Planar Antenna Using a Reconfigurable Matching Network

재구성 정합 회로를 이용한 평판형 이중 모드 안테나 설계

  • Kim, Yoon Geon (Samsung Electronics Digital Media & Communication R & D Center) ;
  • Kay, Youngchul (School of Electronic and Electrical Engineering, Hongik University) ;
  • Choo, Hosung (School of Electronic and Electrical Engineering, Hongik University)
  • 김윤건 (삼성전자 DMC 연구소) ;
  • 계영철 (홍익대학교 전자전기공학부) ;
  • 추호성 (홍익대학교 전자전기공학부)
  • Received : 2012.05.17
  • Accepted : 2012.12.07
  • Published : 2012.12.31

Abstract

In this paper, we propose a novel reconfigurable antenna that can change the electrical shape of the matching network using RF switches of PIN diodes. The designed antenna operates at two different modes that are Mode 1 (HSDPA band, 2.1~2.2 GHz) and Mode 2(WiBro WiFi band, 2.3~2.5 GHz). The antenna is built on both sides of a polyarcylate substrate. The measured reflection coefficient shows a matching bandwidth of 547 MHz($S_{11}$ <-3 dB, 2.035~2.582 GHz) for Mode 1 and 600 MHz($S_{11}$ <-3 dB, 2.2~2.8 GHz) for Mode 2, and it shows average vertical gains of -4.4 dBi and -4.5 dBi in x-y plane, respectively.

Keywords

Reconfigurable Antenna;T-Matching Network;Parallel T-Matching Network

Acknowledgement

Supported by : 정보통신산업진흥원

References

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