The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
권호 표지
DOI QR코드

DOI QR Code

Rain Attenuation Analysis for Designing UAV Data Link on Ku-Band

Ku대역 무인항공기 데이터 링크 설계를 위한 강우감쇠 분석

  • Received : 2015.05.31
  • Accepted : 2015.07.09
  • Published : 2015.07.31
Download PDF
⟨ Previous Next ⟩

Abstract

It is necessary to apply an exact data and a precise prediction model for a rain attenuation to design the link margin for a data link using Ku-band with the serious effect by rain. In this paper, we investigate the regional rainfall-rate distribution of Korea proposed in TTAK.KO-06.0122/R1 and compare it with the distribution provided by Rec. ITU-R PN.837-1 and Crane. And, the rain rate climate regions similar with the rainfall-rate distribution of Korea in Rec. ITU-R PN.837-1 and Crane model are selected. Finally, using Rec. ITU-R P.618-8 and Crane rain attenuation prediction model, we derive and analyze the rain attenuation for Ku-band frequency according to the time percentage of an average year and the distance of wireless communication link between unmanned aerial vehicle (UAV) and ground data terminal (GDT).

강우에 취약한 특성을 갖는 Ku대역을 이용한 통신 링크 설계 시에는 반드시 정확한 데이터와 정밀한 예측모델을 이용하여 도출한 강우감쇠 값을 반영하여 링크 마진을 분석하여야 한다. 따라서 본 논문에서는 최근 TTA에서 제시한 국내 강우강도 분포를 분석하여 Rec. ITU-R PN.837-1 및 Crane 모델에서의 지역별 강우강도와 비교하고, 우리나라의 최근 강우강도 분포와 유사한 지역을 선택하여 Ku대역 주파수에 대한 해당 지역의 강우감쇠를 Rec. ITU-R P.618-8와 Crane 강우감쇠 예측 모델을 통해 무인항공기와 지상통신장비의 통신 링크 거리 및 연 시간율 (%)에 따라 분석한다.

Keywords

References

  1. S. Moon, E. M. Oh, D. I. You, and D. H. Shim, "Implementation of a X-Plane and MATLAB/Simulink based simulation system for multiple UAVs," J. Inst. Control, Robotics and Syst., vol. 19, no. 5, pp. 442-449, May 2013. https://doi.org/10.5302/J.ICROS.2013.13.9009
  2. S. Kim, S. O. Cho, S. S. Kim, C. K. Ryoo, and K. Choi, "Development of operation system for network of multiple UAVs," J. The Korea Soc. Aeronautical and Space Sci., vol. 39, no. 11, pp. 1042-1051, Nov. 2011. https://doi.org/10.5139/JKSAS.2011.39.11.1042
  3. J. Choi and C. Hur, "An analysis of UAV line-of-sight according to mission environment," J. Korea Inst. Inf. and Commun. Eng., vol. 17, no. 6, pp. 1414-1418, June 2013. https://doi.org/10.6109/jkiice.2013.17.6.1414
  4. B. K. Kim, J. Kim, D. K. Lee, T. S. Kim, and I. K. Kim, "Analysis and design of ku-band airborne video transceiver system for smart-UAV," J. KICS, vol. 29, no. 7A, pp. 807-813, Jul. 2004.
  5. J. S. Park, "Rain attenuation analysis for ku band line-of-sight communication system of UAVs," in Proc. KICS 2013 Fall Conf., pp. 684-685, Nov. 2013.
  6. J. J. Park and D. Y. Choi, "Rainfall intensity distribution with accumulative time on the basis of 1-minute rain rate in korea," J. KICS, vol. 37, no. 2, pp. 49-54, Apr. 2012.
  7. S. H. Hwang and H. J. Choi, "Bit error bounds for trellis coded asymmetric 8PSK in rain fading channel," J. KICS, vol. 25, no. 5B, pp. 797-808, May 2000.
  8. D. Y. Choi, J. S. Kim, and S. K. Noh, "A study on the prediction of rain attenuation for ku-band in korean rain environment," J. KICS, vol. 36, no. 2, pp. 1-6, Feb. 2011.
  9. Recommendation ITU-R PN.837-1, Characteristics of precipitation for propagation modelling, 1994.
  10. R. K. Crane, "Prediction of attenuation by rain," IEEE Trans. Commun., vol. COM-28, no. 9, pp. 1717-1733, Sept. 1980.
  11. Recommendation ITU-R P.618-5, Propagation data and prediction methods required for the design of earth-space telecommunication systems, 1997.
  12. Recommendation ITU-R P.618-8, Propagation data and prediction methods required for the design of earth-space telecommunication systems, 2003.
  13. TTAK.KO-06.0122/R1, Reginal rainfall-rate distribution for designing radio Communication Linksin Korea, 2013.
  14. R. L. Olsen, D. V. Rogers, and D. B. Hodge, "The $aR^b$ relation in the calculation of rain attenuation," IEEE Trans. Antenna and Propag., vol. AP-26, no. 2, pp. 318-329, Mar. 1978.
  15. Recommendation ITU-R P.839-3, Rain height model for prediction methods, 2001.
  16. Recommendation ITU-R P.838-3, Specific attenuation model for rain for use in prediction methods, 2005.
  17. L. J. Ippolito, Jr., Satellite communications systems engineering, 1st Ed., Chichester, United Kingdom: Jone Wiley and Sons, 2008.

Cited by

  1. GaN 고출력 증폭기의 초소형 레이다 적용에 관한 연구 vol.19, pp.5, 2015, https://doi.org/10.9766/kimst.2016.19.5.574