Duration of Rainfall Fades in GeoSurf Satellite Constellations
Source abstract
Abstract
We have studied the stochastic processes A and B concerning fade durations due to rain, by simulating attenuation time series A(t) (dB) in the zenith paths of GeoSurf satellite constellations, at sites located in different climatic regions, with the Synthetic Storm Technique. Process B gives the statistics of outages (occurrences) and process A gives the statistics of outage duration (fraction of time), for the same rain attenuation threshold A(t)>S. The two processes are not independent; therefore, we have studied the relationship between their probabilities and defined a uniformity index 0<U(S)≤1. U(S) is useful for comparing real cases–fade durations fragmented in many different intervals, with changing S and site—and the limiting case of all fades lasting the same time. As S increases, U(S) increases, approaching 1 at very large thresholds. These results should guide the designers of satellite constellations to consider the impact of A(t) on diverse communications services. Process B (occurrences) impacts mainly on non–real-time services, such as data delivery, more disturbed by the number of outages rather than by their duration. Process A (fraction of time) impacts mainly on real–time services such as television, video conference etc., more disturbed by the duration of the outage.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Satellite Communication Systems · Precipitation Measurement and Analysis · Wireless Communication Networks Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Dipartimento di Elettronica, Informazione e Bioingegneria (DEIB), Politecnico di Milano, 20133 Milan, Italy
References (30)
Show source-provided references
1. Matricciani, E. (2020). Geocentric Spherical Surfaces Emulating the Geostationary Orbit at Any Latitude with Zenith Links. Future Internet, 12.10.3390/fi12010016 ↗
2. Matricciani, E., Riva, C., and Luini, L. (2021). Tropospheric Attenuation in GeoSurf Satellite Constellations. Remote Sens., 13.10.3390/rs13245180 ↗
3. Outage Probability versus Carrier Frequency in GeoSurf Satellite Constellations with Radio–Links Faded by Rain10.3390/telecom3030027 ↗
4. Physical–mathematical model of the dynamics of rain attenuation based on rain rate time series and a two–layer vertical structure of precipitation10.1029/95RS03129 ↗
5. Matricciani, E., and Riva, C. (2023). Transfer–functions and Linear Distortions in Ultra–Wideband Channels Faded by Rain in GeoSurf Satellite Constellations. Future Internet, 15.10.20944/preprints202307.1772.v1 ↗
6. Introduction to spread spectrum antimultipath techniques and their application to urban digital radio10.1109/PROC.1980.11645 ↗
7. Theory of spread–spectrum communications—A tutorial10.1109/TCOM.1982.1095533 ↗
8. Viterbi, A.J. (1995). CDMA Principles of Spread Spectrum Communications, Addinson–Wesly.
9. Spreading codes for direct sequence CDMA and wideband CDMA celluar networks10.1109/35.714616 ↗
10. The coding–spreading trade–off in CDMA systems10.1109/49.983362 ↗
11. Feasibility of Ultra–Wideband Channels at Millimeter Wavelengths Faded by Rain in GeoSurf Satellite Constellations10.3390/telecom4040033 ↗
12. Prediction Model of Fade Duration Statistics for Satellite Communications at Ka and Q bands10.1109/TAP.2019.2916657 ↗
13. Pimienta-del-Valle, D., Riera, J.M., Garcia-del-Pino, P., and Siles, G.A. (2018, January 9–13). Alphasat Experiment in Madrid: Modeling Considerations on Fade and Inter–Fade Durations. Proceedings of the 12th European Conference on Antennas and Propagation (EuCAP 2018), London, UK.10.1049/cp.2018.1493 ↗
14. Rain induced attenuation studies for V–band satellite communication in tropical region10.1016/j.jastp.2010.12.006 ↗
15. Validation of Synthetic Storm Technique for Rain Attenuation Prediction Over High–Rainfall Tropical Region
16. Fade duration statistics for Ku–band satellite links10.1016/j.asr.2013.03.037 ↗
17. Dao, H., Al-Khateeb, K., Al-Khateeb, K., and Ismail, A.F. (2012, January 3–5). Analysis of rain fade duration over satellite–earth path at Ku–Band in tropics. Proceedings of the 2012 International Conference on Computer and Communication Engineering (ICCCE), Kuala Lumpur, Malaysia.10.1109/ICCCE.2012.6271357 ↗
18. Fade and interfade duration statistics on an Earth–space link at 50 GHz10.1049/iet-map.2010.0345 ↗
19. Cheffena, M., Tjelta, T., and Breivik, T.O. (2010, January 12–16). Fade duration statistics of millimetre wavelength terrestrial line–of–sight links. Proceedings of the Fourth European Conference on Antennas and Propagation, Barcelona, Spain.
20. Four Years of Total Attenuation Statistics of Earth–Space Propagation Experiments at Ka–Band in Toulouse10.1109/TAP.2015.2407376 ↗
21. Analysis of rain fade characteristics from experimental satellite measurements at Ka/Q bands for a temperate location Vigo, Spain10.1016/j.asr.2021.04.018 ↗
22. Performance of synthetic storm technique in estimating fade dynamics in equatorial Malaysia10.1002/sat.1246 ↗
23. Fade and Interfade Duration Characteristics in a Slant–Path Ka–Band Link10.1109/TAP.2017.2758839 ↗
24. Second order experimental statistics of rain attenuation at Ka band in a tropical location10.1016/j.asr.2021.02.033 ↗
25. Nandi, A. (2018, January 28—30). Prediction of Rain Attenuation Statistics from Measured Rain Rate Statistics using Synthetic Storm Technique for Micro and Millimeter Wave Communication Systems. Proceedings of the 2018 IEEE MTT—S International Microwave and RF Conference (IMaRC), Kolkata, India.10.1109/IMaRC.2018.8877110 ↗
26. Papafragkakis, A.Z., Kourogiorgas, C.I., Panagopoulos, A.D., and Ventouras, S. (2020, January 20–22). Second Order Excess Attenuation Statistics in Athens, Greece at 19.701 GHz using ALPHASAT. Proceedings of the 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), Porto, Portugal.10.1109/CSNDSP49049.2020.9249506 ↗
27. Alphasat Propagation Measurements at Ka and Q-Bands in Ljubljana: Three Years’ Statistical Analysis10.1109/LAWP.2020.3043321 ↗
28. Recommendation ITU‒R P. 618‒14 (2023). Propagation Data and Prediction Methods Required for the Design of Earth–Space Telecommunication Systems, ITU.
29. Prediction of fade duration due to rain in satellite communication systems10.1029/97RS00501 ↗
30. Duration of rain–induced fades of signal from SIRIO at 11.6 GHz10.1049/el:19810022 ↗