Tropospheric scintillation prediction models for a high elevation angle based on measured data from a tropical region

Nadirah Binti Abdul Rahim, Md Rafiqul Islam, Mandeep Singh Jit Singh, Hassan Dao, Saad Osman Bashir

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The recent rapid evolution of new satellite services, including VSAT for internet access, LAN interconnection and multimedia applications, has triggered an increasing demand for bandwidth usage by satellite communications. However, these systems are susceptible to propagation effects that become significant as the frequency increases. Scintillation is the rapid signal fluctuation of the amplitude and phase of a radio wave, which is significant in tropical climates. This paper presents the analysis of the tropospheric scintillation data for satellite to Earth links at the Ku-band. Twelve months of data (January-December 2011) were collected and analyzed to evaluate the effect of tropospheric scintillation. Statistics were then further analyzed to inspect the seasonal, worst-month, diurnal and rain-induced scintillation effects. By employing the measured scintillation data, a modification of the Karasawa model for scintillation fades and enhancements is proposed based on data measured in Malaysia.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalJournal of Atmospheric and Solar-Terrestrial Physics
Volume105-106
DOIs
Publication statusPublished - Dec 2013

Fingerprint

elevation angle
tropical region
tropical regions
scintillation
prediction
predictions
VSAT (network)
radio wave
multimedia
Malaysia
satellite communication
local area networks
radio waves
rain
communication
climate
statistics
bandwidth
effect
propagation

Keywords

  • Ku-band
  • Modification
  • Tropical region
  • Tropospheric scintillation

ASJC Scopus subject areas

  • Geophysics
  • Space and Planetary Science
  • Atmospheric Science

Cite this

Tropospheric scintillation prediction models for a high elevation angle based on measured data from a tropical region. / Abdul Rahim, Nadirah Binti; Islam, Md Rafiqul; Jit Singh, Mandeep Singh; Dao, Hassan; Bashir, Saad Osman.

In: Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 105-106, 12.2013, p. 91-96.

Research output: Contribution to journalArticle

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AU - Dao, Hassan

AU - Bashir, Saad Osman

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AB - The recent rapid evolution of new satellite services, including VSAT for internet access, LAN interconnection and multimedia applications, has triggered an increasing demand for bandwidth usage by satellite communications. However, these systems are susceptible to propagation effects that become significant as the frequency increases. Scintillation is the rapid signal fluctuation of the amplitude and phase of a radio wave, which is significant in tropical climates. This paper presents the analysis of the tropospheric scintillation data for satellite to Earth links at the Ku-band. Twelve months of data (January-December 2011) were collected and analyzed to evaluate the effect of tropospheric scintillation. Statistics were then further analyzed to inspect the seasonal, worst-month, diurnal and rain-induced scintillation effects. By employing the measured scintillation data, a modification of the Karasawa model for scintillation fades and enhancements is proposed based on data measured in Malaysia.

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