AI SearchAnalysis of orientation effect of antenna on linear polarized electromagnetic wave for localization
Call Number: AIT Thesis no.ICT-08-11 Material type:
SeriesSeries: Asian Institute of Technology. Thesis ; no. ICT-08-11Publication details: Pathum Thani, Thailand : Asian Institute of Technology, 2008Description: 49 leaves : ill. + 1 online resourceSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - Asian Institute of Technology, 2008 Summary: This thesis proposes a mathematical model for rotated antenna on linear polarization of electromagnetic wave. The model is intended to be used in development of accurate localization algorithm by using radio signal strength. Formulas are based on the linear polarized infinitesimal dipole antenna and loop antenna (magnetic dipole antenna) and derived separately for line of sight and multi-path systems with and without antenna rotation. This thesis analyzes numerically the derived formulas with the matlab program for different cases. The program takes into account line of sight power, first order reflection from ground and walls of outdoor environments with different antenna heights. We find that power received by fixed receiver from the rotated transmitter varies with transmitter orientation leaving effects in localization. We also analyze the ratio of received power of line of sight and reflected waves in highly reflecting environment and less reflecting environment to evaluate the effects of varying antenna heights with rotation
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22-AIT Thesis (Replacement)
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Asian Institute of Technology Library AIT Publications | AIT Thesis no.ICT-08-11 (Browse shelf(Opens below)) | 3 | Available | 30050120702575 | |||||||||||||
40-Archives
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Asian Institute of Technology Library Archives | AIT Thesis no.ICT-08-11 (Browse shelf(Opens below)) | 1 | Available | 30050160097621 | |||||||||||||
20-AIT Publication
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Asian Institute of Technology Library AIT Publications | AIT Thesis no.ICT-08-11 (Browse shelf(Opens below)) | 1 | Available | 30050211023931 |
A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Information and Communications Technologies, School of Engineering and Technology
Thesis (M.Eng.) - Asian Institute of Technology, 2008
This thesis proposes a mathematical model for rotated antenna on linear polarization of electromagnetic wave. The model is intended to be used in development of accurate localization algorithm by using radio signal strength. Formulas are based on the linear polarized infinitesimal dipole antenna and loop antenna (magnetic dipole antenna) and derived separately for line of sight and multi-path systems with and without antenna rotation. This thesis analyzes numerically the derived formulas with the matlab program for different cases. The program takes into account line of sight power, first order reflection from ground and walls of outdoor environments with different antenna heights. We find that power received by fixed receiver from the rotated transmitter varies with transmitter orientation leaving effects in localization. We also analyze the ratio of received power of line of sight and reflected waves in highly reflecting environment and less reflecting environment to evaluate the effects of varying antenna heights with rotation
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