Interference analysis of broadband space and terrestrial fixed radio communications systems in the frequency range 12 to 30 GHz
Kirtay, Selçuk (2001) Interference analysis of broadband space and terrestrial fixed radio communications systems in the frequency range 12 to 30 GHz. PhD thesis, University of Warwick.
WRAP_THESIS_Kirtay_2001.pdf - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Official URL: http://webcat.warwick.ac.uk/record=b1377416~S15
This thesis presents research into the principles of spectrum sharing analysis
methods developed for investigating implications of interference from
Nongeostationary Fixed Satellite Service (NGSO FSS) systems into Geostationary
Fixed Satellite Service (GSO FSS) systems and Fixed Service (FS) terrestrial radio
systems operating or planned for operation in the 12 to 30 GHz frequency range.
Spectrum sharing is an effective way of allowing new services to operate without
cancelling the existing allocations in the same part of the spectrum. The use of
spectrum sharing results in re-use of the available spectrum among different services
and, therefore, increases the efficient use of the radio frequencies. However, it is
necessary to carry out extensive feasibility studies into technical or operational
compatibility between the services involved. Often, sharing constraints are placed
on systems, such as the power of emissions and the transmitter and receiver antenna
pointings to reduce the interference into negligible levels.
Traditionally, radio spectrum allocated to GSO FSS has been shared with FS. In
recent years, there has been a growing interest in the use of low Earth orbits and a
number of NGSO FSS constellations has been designed to provide broadband data
services. This has led to the allocation of certain bands used by the FS and GSO
FSS systems to NGSO FSS.
In line with the new allocations, NGSO FSS, GSO FSS and FS systems are required
to co-exist in parts of the 12 to 30 GHz frequency range. The primary objectives of
this research were to identify principal factors affecting the feasibility of spectrum
sharing and to develop spectrum sharing analysis methodologies to examine the
implications of these factors with a view to identifying sharing constraints that
would give rise to an acceptable sharing environment.
|Item Type:||Thesis or Dissertation (PhD)|
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering|
|Library of Congress Subject Headings (LCSH):||Radio -- Interference, Radio frequency, Broadband communication systems, Artificial satellites in telecommunication|
|Official Date:||August 2001|
|Institution:||University of Warwick|
|Theses Department:||School of Engineering|
|Supervisor(s)/Advisor:||Hutchins, David C.|
|Extent:||xxiv, 340 p.|
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