Absorption and clouds losses for Ku-and Ka-band satellite communication links

Absorption and clouds losses for Ku-and Ka-band satellite communication links

The rapid growth of satellite services using higher frequency bands such as Ku and Ka has highlighted the need for estimating the propagation factors that are normally negligible at lower frequency bands. Rain attenuation is considered the dominant factor for frequencies above 1 0GHz. However, many...

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Main Author: Velayutham Renganathan
Other Authors: Ong, Jin Teong
Format: Theses and Dissertations
Published: 2008
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
Online Access:http://hdl.handle.net/10356/3625
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Institution: Nanyang Technological University
id sg-ntu-dr.10356-3625
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spelling sg-ntu-dr.10356-36252023-07-04T15:38:44Z Absorption and clouds losses for Ku-and Ka-band satellite communication links Velayutham Renganathan Ong, Jin Teong School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication The rapid growth of satellite services using higher frequency bands such as Ku and Ka has highlighted the need for estimating the propagation factors that are normally negligible at lower frequency bands. Rain attenuation is considered the dominant factor for frequencies above 1 0GHz. However, many projected higher frequency services will use very small terminals with low fade margin i.e. higher unavailability. For higher unavailability rainfall rate is lower. Therefore rain attenuation for specified availability is smaller. Hence it is necessary to identify and predict the impact of every significant attenuating effect along any given path. Water vapour absorption is one of the components that need to be characterized for low availability links. ​Master of Science (Communications Engineering) 2008-09-17T09:33:57Z 2008-09-17T09:33:57Z 2004 2004 Thesis http://hdl.handle.net/10356/3625 Nanyang Technological University application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
topic DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
Velayutham Renganathan
Absorption and clouds losses for Ku-and Ka-band satellite communication links
description The rapid growth of satellite services using higher frequency bands such as Ku and Ka has highlighted the need for estimating the propagation factors that are normally negligible at lower frequency bands. Rain attenuation is considered the dominant factor for frequencies above 1 0GHz. However, many projected higher frequency services will use very small terminals with low fade margin i.e. higher unavailability. For higher unavailability rainfall rate is lower. Therefore rain attenuation for specified availability is smaller. Hence it is necessary to identify and predict the impact of every significant attenuating effect along any given path. Water vapour absorption is one of the components that need to be characterized for low availability links.
author2 Ong, Jin Teong
author_facet Ong, Jin Teong
Velayutham Renganathan
format Theses and Dissertations
author Velayutham Renganathan
author_sort Velayutham Renganathan
title Absorption and clouds losses for Ku-and Ka-band satellite communication links
title_short Absorption and clouds losses for Ku-and Ka-band satellite communication links
title_full Absorption and clouds losses for Ku-and Ka-band satellite communication links
title_fullStr Absorption and clouds losses for Ku-and Ka-band satellite communication links
title_full_unstemmed Absorption and clouds losses for Ku-and Ka-band satellite communication links
title_sort absorption and clouds losses for ku-and ka-band satellite communication links
publishDate 2008
url http://hdl.handle.net/10356/3625
_version_ 1772825439515967488

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