Spectral characteristics of satellite links at ka band in the southern tropical region of India
Keywords:Rain Attenuation, Spectral Analysis, Propagation Impairments, Radiowave Propagation, Attenuation Effects.
The objective of this study was to perform a spectral analysis of the Ka band propagation channel. Now a day, because of the expanding interest of the end users for multimedia services which require vast bandwidth, and because of the immersion of low frequency bands, for example, L, S, C bands, and Ku band in close future, satellite media transmission systems are moving to higher frequency bands. In such high frequency bands, the presence of the atmosphere strongly affects radiowave propagation and attenuation effects become so severe that system availability would not be sufficient if systems were designed in a conventional way with a static propagation margin.
 Timothy Pratt, Charles Bostian, and Jeremy Alnutt, â€œSatellite communications,â€ Wiley and sons, 2nd edition-2007.
 L.J.Ippolito Jr., â€œSatellite communications Systems Engineering,â€ John Wiley & sons publication, Third edition-2008.
 Recommendation ITU-R P.838, â€œSpecific attenuation model for rain for use in prediction,â€ Geneva, 2003.
 R. G. Lyons, Understanding digital signal processing, 2nd ed. Upper Saddle River, NJ: Prentice Hall PIR, 2004.
 D.Vanhoenacker, A.Vander Vorst, â€œAtmospheric fluctuation spectra and radio system implicationsâ€, ICAP 1985.
 L. J. Ippolito, â€œPropagation Effects Handbook for Satellite Systems Design,â€ Stanford Telecom, pp. 6â€“102, 1999.
 A. D. Panagopoulos, P. D. M. Arapoglou, and P. G. Cottis, â€œSatellite communications at KU, KA, and V bands: Propagation impairments and mitigation techniques,â€ Commun. Surv. Tutorials, IEEE, vol. 6, no. 3, pp. 2â€“14, 2004.
 Sarat Kumar K, â€œPrediction of Ku band Rain Attenuation using Experimental Data and Simulations for Hassan, Indiaâ€, International Journal of Computer Science and Network Security. 2008 April; 8(4).
 Aravind Kilaru, Sarat K Kotamraju, Nicholas Avlonitis, K.Ch. Sri Kavya, â€œRain rate intensity model for communication link design across the Indian regionâ€, Journal of Atmospheric and Solar-Terrestrial Physics, Volume 145, July 2016, Pages 136-142, ISSN 1364-6826, http://dx.doi.org/10.1016/ j.jastp. 2016.05.001 .
 John Philip, B., Kotamraju, S.K., Sri Kavya, K.C., Madhumitha, R., Pavan Kumar, A. â€œPerformance evaluation of attenuation time series generators over Indian regionâ€ (2017) Journal of Advanced Research in Dynamical and Control Systems, 2017 (Special Issue 2), pp. 48-55.
 Kavya, K.C.S., Kotamraju, S.K., Charan, B.S.S.S.D., Phanindra, K., Srinivas, B., Narendra Kumar, N. â€œStatistical analysis of propagation parameters for fade mitigationâ€ (2017) Journal of Theoretical and Applied Information Technology, 95 (10), pp. 2191-2196.