Open Access Open Access  Restricted Access Subscription Access
Open Access Open Access Open Access  Restricted Access Restricted Access Subscription Access

Analysis of Tropospheric Scintillation and Rain Attenuation in Ku Band


Affiliations
1 Department of ECE, KL University, Guntur, India
2 Department of ECE, JNTUK, Kakinada, India
3 Department of ECE, UCEV, JNTU Kakinada, India
     

   Subscribe/Renew Journal


There are many phenomena that lead to signal loss on transmission through the earth's atmosphere in satellite communications. These include: Atmospheric Absorption, Cloud attenuation, Tropospheric Scintillation and Rain attenuation. Rain attenuation is by far most important of these losses for frequencies above 10 GHZ, because it cause largest attenuation. In this paper, the effects of the tropospheric scintillation and rain attenuation on Ku band signal is studied and analyzed at Kondapalli, Vijayawada. A real time data logger in this aspect has been developed to study the influence of weather conditions and thereby to log the variation of RF signal strength from satellite. Novel software is developed to calculate and analyze rain attenuation which is formulated based on ITU-R model.

Keywords

Tropospheric Scintillation, Rain Attenuation, Ku Band, Fade Level
Subscription Login to verify subscription
User
Notifications
Font Size


  • Pratt, T., C. W. Bostian, and J. E. Alnutt, “Satellite Communication”, John Wiley and Sons, 2003, 536 pp.
  • John S. Seybold, “Introduction to RF Propagation”, John Wiley & Sons, 2005.
  • Maitra A., “Rain Attenuation Modelling From Measurements of Rain Drop Size Distribution in The Indian Region”, IEEE Antennas and Wireless Propagation Letters. Vol. 3, P. 180– 181, 2004.
  • ITU-R P.618-9, “Propagation data and prediction methods required for the design of earth-space telecommunication systems”, International Telecommunication Union, Geneva, Switzerland, 2007.
  • “Rain height model for prediction methods”, Recommendation ITU-R P.839-3, ITU-R P Sers., Int. Telecomm. Union, Geneva, 2001.
  • M. Sridhar, K. Padma Raju, Ch. Srinivasa Rao, "Estimation of Rain Attenuation based on ITU-R Model in Guntur (A.P), " ACEEE Int. J. on Communications, Vol. 03, No. 03, India, 2012.
  • Pedro Garcia; Jose M.Riera; Ana Benarroch (2002), “Propagation Impairment Mitigation for Millimetre wave Radio Systems: Statistics of dry and wet scintillation in Madrid using Intelsat 50 GHz beacon”, PM3-013 1st international workshop, COST Action 280.
  • A. Dissanayake, J. Allnutt, and F. Haidara, “A Prediction Model that Combines Rain Attenuation and other Propagation Impairments along Earth-Satellite Paths, ” IEEE Trans. Antennas Propag. vol. 45, no. 10, 1997, pp. 1546–58.
  • M. Sridhar, K. Padma Raju, Ch. Srinivasa Rao, D. Venkata Ratnam, “Prediction and Analysis of Rain Attenuation using ARIMA Model at Low Latitude Tropical Station, " International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, Vol. 2, Issue 7, July 2013.
  • S. I. S. H. J. S. Mandeep, Fadzlin Ain, "Tropospheric Scintillation Measurements in Malaysia at Ku-band, " Journal of Electromagnetic Waves and Applications, vol. 22, pp. 1063-1070, 2008.
  • C. E. Mayer; B.E. Jaeger; R. K. Crane (1997), “Ka-Band scintillations: Measurements and Model Predictions”, IEEE Proc., Vol.85, pp.936-945
  • A. Adhikari and A. Maitra, “Studies on the inter-relation of Ku-band scintillations and rain attenuation over an Earth–space path on the basis of their static and dynamic spectral analysis, ” J Atmos. Sol.-Terr. Phys., vol. 73, no. 4, pp. 516–527, Mar. 2011.
  • Ojo, J. S., M. O. Ajewole, and S. K. Sarkar, “Rain rate and rain attenuation prediction for Satellite Communication in Ku and Ka bands over Nigeria”, Progress in Electromagnetic Research B, Vol. 5, 207-223, 2008.
  • R. K. Crane, “Prediction of attenuation by rain”, IEEE Trans. Commun., vol. 28, pp. 1717–1733, Sept. 1980.
  • Y. Karasawa, et al., "Tropospheric scintillation in the 14/11-GHz bands on Earth-space paths with low elevation angles, " Antennas and Propagation, IEEE Transactions on, vol. 36, pp. 563- 569, 1988.
  • A. Maitra and K. Chakravarty, “Ku-band rain attenuation observations on an Earth–space path in the Indian region,” in Proc. URSI Gen. Assembly, F01.4(0650), New Delhi, India, 2005.
  • A. Maitra, K. Chakravarty, S. Bhattacharya, and S. Bagchi, “Propagation studies at Ku-band over an Earth–space path at Kolkata,” Indian J. Radio Space Phys., vol. 36, pp. 363–368, Oct. 2007.
  • L. J. I. Jr., Satellite Communication Systems: Engineering: Atmospheric Effects, Satellite Link Design & System Performance" First ed.: A John Wiley & Sons, Ltd, Publications, 2008.

Abstract Views: 966

PDF Views: 0




  • Analysis of Tropospheric Scintillation and Rain Attenuation in Ku Band

Abstract Views: 966  |  PDF Views: 0

Authors

M. Sridhar
Department of ECE, KL University, Guntur, India
K. Padma Raju
Department of ECE, JNTUK, Kakinada, India
Ch. Srinivasa Rao
Department of ECE, UCEV, JNTU Kakinada, India
D. Venkata Ratnam
Department of ECE, KL University, Guntur, India

Abstract


There are many phenomena that lead to signal loss on transmission through the earth's atmosphere in satellite communications. These include: Atmospheric Absorption, Cloud attenuation, Tropospheric Scintillation and Rain attenuation. Rain attenuation is by far most important of these losses for frequencies above 10 GHZ, because it cause largest attenuation. In this paper, the effects of the tropospheric scintillation and rain attenuation on Ku band signal is studied and analyzed at Kondapalli, Vijayawada. A real time data logger in this aspect has been developed to study the influence of weather conditions and thereby to log the variation of RF signal strength from satellite. Novel software is developed to calculate and analyze rain attenuation which is formulated based on ITU-R model.

Keywords


Tropospheric Scintillation, Rain Attenuation, Ku Band, Fade Level

References