DOI QR코드

DOI QR Code

Estimation of Probability Distribution of L-Band Interference Environment Based on Field Measurement Data

전파 측정 데이터 기반 L 대역 간섭 환경 확률분포 추정

  • Received : 2016.10.26
  • Accepted : 2017.02.20
  • Published : 2017.03.25

Abstract

In modern electronic warfare, a variety of devices are being operated in the fields for the purposes of communication and surveillance. Therefore, if such devices work in the same band, interference may occur and affect each other. Regarding L-band in which various devices including radar systems are operating, interference from existing devices may affect new ones in the band. In this paper, we estimate a probability distribution of the interference environment in L-band from the selected measurement data, which is fundamental for the mathematical analysis. After selecting the candidates of probability distribution, we suggest the best one from the group. The results of this study are expected to be utilized as fundamental data for the mathematical approach to the L-band interference environment.

현대 전자전에서는 통신 및 감시의 목적으로 무선 전파를 사용하는 다양한 장비들이 운용되고 있는데, 이러한 장비들이 동일한 대역에서 운용될 경우 서로 전파 간섭에 의한 영향을 줄 수 있다. L 대역의 경우 레이다 등의 다양한 전파 장비들이 운용 중이며, 동 대역에서 신규 전파 장비가 운용될 경우 기존 전파 장비들이 간섭원으로 작용하여 성능에 영향을 줄 수 있으므로 이런 간섭 영향에 대한 연구가 필요하다. 본 논문에서는 L 대역 간섭 환경에 대한 수학적 분석의 토대를 마련하기 위하여 실제 측정한 L 대역 전파 측정 데이터 중 특정 임계값 이상의 데이터를 활용하여 간섭 신호의 확률분포를 추정한다. 먼저 확률분포 후보군을 선정한 후 그 중 최근접 확률분포를 식별하여 제시한다. 본 연구 결과는 L 대역 간섭 환경의 수학적 접근을 위한 기초 자료로 활용이 기대된다.

Keywords

References

  1. Hyuck M. Kwon, Y. C. Loh, Kwei Tu, and Willian C. Gadd, "Interference Effects on Space Station Freedom and Space Shuttle Orbiter Ku-Band Single Access Return Links", IEEE Military Communications Conference, pp. 17-21, Sep. 1990.
  2. M. Celidonio, P. G. Masullo, M. Vaser, G. Fusco, and M. Ferrante, "LTE Services Over the 800 MHz Band: Interference Effects on DVB-T Channels Caused by the Uplink Signal", AEIT International Anual Conference, pp. 1-6, Oct. 2015.
  3. Inhwan Kim, HeungKi Baik, and Juphil Cho, "Analysis on Effect of Interference between Different Communication Systems in Broadcasting Channel", Journal of The Institute of Electronics Engineers of Korea, Vol. 48, No. 10, pp. 717-722 Oct. 2011.
  4. Jie Zhang, Goo Yeon Lee, and Hwa Jong Kim, "Signal Interference of Neighboring Wi-Fi Networks on Data Throughput", Journal of The Institute of Electronics Engineers of Korea, Vol. 59, No. 11, pp. 659-665, Nov. 2012.
  5. Y. Bian and B. Mercer, "SAR Probability Density Function Estimation Using a Generalized Form of K-Distribution", IEEE Transactions on Aerospace and Electronic Systems, Vol. 51, No. 2, pp. 1136-1146, Apr. 2015. https://doi.org/10.1109/TAES.2014.120825
  6. Wenze. Xi, T. Adali, and Yi. Cai, "Probability Distribution Estimation for an Integrated Coding and Equalization Scheme in Optical Communications Systems", IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 961-964, Mar. 2005.
  7. V. Arora and R. Kumar, "Probability Distribution Estimation of Music Signals in Time and Frequency Domains", IEEE International Conference on Digital Signal Processing, pp. 409-414, Aug. 2014.
  8. W. Vogel and J. Goldhirsh, "Fade Measurements at L-Band and UHF in Mountainous Terrain for Land Mobile Satellite System", IEEE Transactions on Antennas and Propagation, Vol. 36, No. 1 pp. 104-113, Jan. 1988. https://doi.org/10.1109/8.1081
  9. A. J. Camps, I. Corbella, F. Torres, J. Bara and J. Capdevila, "RF Interference Analysis in Aperture Synthesis Interferometric Radiometers: Application to L-Band MIRAS Instrument", IEEE Transactions on Geoscience and Remote Sensing, Vol. 38, No. 2, pp. 942-950, Mar. 2000. https://doi.org/10.1109/36.841976
  10. D. Freedman and P. Diaconis, "On the Histogram as a Density Estimator: L2 Theory", Probability Theory and Related Fields, Vol. 57, No. 4 pp. 453-476, Dec. 1981.
  11. J. R. M. Hosking, "Algorithm AS 215: Maximum-likelihood Estimation of the Parameters of the Generalized Extreme-value Distribution", Applied Statistics, Vol. 34, No. 3, pp. 301-310, May 1985. https://doi.org/10.2307/2347483
  12. K. Knight, "Mathematical Statistics", Chapman & Hall/CRC, pp. 237-306, Nov. 1999.
  13. Kullback. S and Leibler. R. A, "On information and Sufficiency", Annals of Mathematical Statistics, Vol. 22, No. 1, pp. 79-86, Mar. 1951. https://doi.org/10.1214/aoms/1177729694