Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Design of 2.4/5.8GHz Dual-Frequency CPW-Fed Planar Type Monopole Active Antennas

2.4/5.8GHz 이중 대역 코프래너 급전 평면형 모노폴 능동 안테나 설계

  • Kim, Joon-Il (Department of Electronic Engineering, Sogang University) ;
  • Chang, Jin-Woo (Department of Electronic Engineering, Sogang University) ;
  • Lee, Won-Taek (Department of Electronic Engineering, Sogang University) ;
  • Jee, Yong (Department of Electronic Engineering, Sogang University)
  • 김준일 (서강대학교 전자공학과) ;
  • 장진우 (서강대학교 전자공학과) ;
  • 이원택 (서강대학교 전자공학과) ;
  • 지용 (서강대학교 전자공학과)
  • Published : 2007.08.25
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Abstract

This paper presents design methods for dual-frequency(2.4/5.8GHz) active receiving antennas. The proposed active receiving antennas are designed to interconnect the output port of a wideband antenna to the input port of an active device of High Electron Mobility Transistor directly and to receive RF signals of 2.4GHz and 5.2GHz simultaneously where the impedance matching conditions are optimized by adjusting the length of $1/20{\lambda}_0$(@5.8GHz) CPW transmission line in the planar antenna The bandwidth of implemented dual-frequency active receiving antennas is measured in the range of 2.0GHz to 3.1GHz and 5.25GHz to 5.9GHz. Gains are measured of 17.0dB at 2.4GHz and 15.0dB at 5.2GHz. The measured noise figure is 1.5dB at operating frequencies.

본 논문은 2.4/5.8GHz 이중 대역 수신용 능동 안테나 설계 구조를 제시하였다. 제시된 능동 안테나는 한 개의 초광대역(Ultra Wideband, UWB) 안테나를 이용하여 2.4GHz 영역과 5.2GHz 영역에서 수신 및 증폭이 동시에 이루어지게 하는 구조이다. 각 동작 영역에서 초광대역 안테나의 출력단과 능동 소자 입력단 사이의 상호 임피던스 정합은 직접 연결법에 의해 이루어지게 하였으며 직접 연결법에 의한 동작 주파수에서의 임피던스 정합은 평면형 초광대역 안테나의 급전선로 길이를 변화시켜 구현하였으며 안테나의 코프래너 급전선로 길이는 $1/20{\lambda}0$(@5.8GHz) 이내로 설정하였다. 구현된 수신용 능동 안테나의 주파수 대역폭$(VSWR{\leq}2)$은 2.4GHz 동작 주파수에서 $2.0\sim3.1GHz$, 5.8GHz 대역에서 $5.25\sim5.9GHz$로 이루어졌다. 실험 결과 2.4GHz에서 17.0dB 및 5.2GHz에서 15.0dB의 이득(gain)이 측정되었고 1.5dB의 잡음지수(noise figure, NF)가 측정되었다.

Keywords

References

  1. A. S. Andrenko, Y. Ikeda, M. Nakayama, and O. Ishida, 'Impedance Matching in Active Integrated Antenna Receiver Front End Design,' IEEE Microwave and Guided Wave Letters, vol.10, No.1, pp 16-18, January 2000 https://doi.org/10.1109/75.842073
  2. H. An, B. K. J. C. Nauwelaers, and A. R. Van de Capelle, 'Broadband Active Microstrip Antenna Design with the Simplified Real Frequency Technique,' IEEE Trans. Antenna Propag., vol.42, No.12, pp 1612-1619, Dec. 1994 https://doi.org/10.1109/8.362813
  3. W. Duerr, W. Menzel, and H. Schumacher, 'A Low-Noise Active Receiving Antenna Using a SiGe HBT,' IEEE Microwave and Guided Wave Letters, vol.7, No.3, pp 63-65, March 1997 https://doi.org/10.1109/75.556033
  4. T. D. Ormiston, P. Gardener, and P. S. Hall, 'Compact Low Noise Receiving Antenna,' Electron. Letts., vol.34, No.14, pp 1367-1368, July 1998 https://doi.org/10.1049/el:19980524
  5. B. Robert, T. Razban, and A. Papiernik, 'Compact Amplifier Integration in Square Patch Antenna,' Electron. Letts., vol.28, No.9, pp. 1808-1810, Sept., 1992 https://doi.org/10.1049/el:19921153
  6. G. K. Gopalakrishnan, K. A. Hummer, and K. Chang, 'Active Radiating Element Integrated with Microstrip Patch Antenna,' Electron. Letts., vol.24, No.21, pp 1347-1348, Oct., 1988 https://doi.org/10.1049/el:19880916
  7. W. C. Liu, 'Wideband Dual-frequency Double Inverted-L CPW-fed Monopole Antenna for WLAN Application,' in Proc. IEE Microwaves, Antenna and Propag., vol.152, No.6, pp520-526, Dec. 2005 https://doi.org/10.1049/ip-map:20045179
  8. B. K. Kormanyos, W. Harokopus, L. P. B. Katehi, and G. M. Robeiz, 'CPW-fed Active Slot Antenna,' IEEE MTT., vol.42, No.4, pp541-545, April 1994 https://doi.org/10.1109/22.285057
  9. K. H. Y. Ip, T. M. Y. Kan, and G. V. Eleftheriades, 'A Single-Layer CPW-fed Active Patch Antenna,' IEEE Microwave and Guided Wave Lett., vol.10, No.2, pp 64-66, Feb. 2000 https://doi.org/10.1109/75.843102
  10. G. Gonzalez, 'Microwave Transistor Amplifiers,' Prentice Hall, 1997
  11. F. Ali and A. Gupta, 'HEMTs and HBTs,' Artech House, 1991
  12. Ansoft Corporation, HFSS.[Online]. Available: http://www.ansoft.co.kr
  13. P. M. Hankins and P. S. Hall, 'Radiation from Transistor in Microstrip Line,' Electron. Lett., vol.27, No.11, pp 986-988, March., 1991 https://doi.org/10.1049/el:19910615
  14. V. D. Vegte, 'Feedback Control Systems,' Prentice- Hall, 1994
  15. J. I. Kim, S. S. Choi, W. T. Lee, and Y. Jee, 'Wide Band Coplanar Waveguide-Fed Monopole Antenna,' European Conference on Antenna and Propagation, 5A5, Nice, France, Nov. 2006
  16. H. An, B. K. J. C Nauwelaers, and A. R. V. de Capelle, 'Noise Figure Measurement of Receiving Active Microstrip Antennas,' Electron Lett., vol. 29, No.18, pp 1594-1596, Sep. 1993 https://doi.org/10.1049/el:19931062
  17. J. I. Kim, and Y. Jee, 'Design of Ultra Wideband Coplanar Waveguide-Fed LI-shape Planar Monopole Antennas,' IEEE Antennas and Wireless Propagation Letters, (to be printed) 2007