Height and Angle Characteristics of Point Source Transmitting Power of Wireless Avionics Intra-Communication Systems Based on FDTD Analysis

The equivalent isotopically radiated power (EIRP) of a wireless avionics intra-communication (WAIC) system is limited to 6 dBm/MHz at the geometrical center of the aircraft, to avoid interference with aircraft radio altimeters, which are operated at the same frequency band between 4,200–4,400 MHz. I...

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Published inApplied Computational Electromagnetics Society journal Vol. 35; no. 11; pp. 1274 - 1275
Main Authors Futatsumori, Shunichi, Morioka, Kazuyuki, Hikage, Takashi, Sekiguchi, Tetsuya, Yamamoto, Manabu, Nojima, Toshio
Format Journal Article
LanguageEnglish
Published Pisa River Publishers 03.02.2021
Subjects
Aircraft
Antennas
Aviation
Avionics
Communication
Communications systems
Electric field strength
Electric fields
Electromagnetic fields
Electromagnetism
Finite difference time domain method
Frequencies
Information science
Radio altimeters
Surveillance
Three dimensional models
Wireless communications
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Summary:The equivalent isotopically radiated power (EIRP) of a wireless avionics intra-communication (WAIC) system is limited to 6 dBm/MHz at the geometrical center of the aircraft, to avoid interference with aircraft radio altimeters, which are operated at the same frequency band between 4,200–4,400 MHz. In this paper, the height and angle characteristics of the point source EIRP of a WAIC system are analyzed based on the large scale FDTD analysis. Firstly, the strength of the electric field (E-field) around the three-dimensional model of Airbus A320-200 is analyzed. Then, the point source EIRP is calculated based on the analyzed E-field strength. Finally, the height and angle characteristics are analyzed to estimate the electromagnetic field characteristics of the aircraft.
ISSN:1054-4887
1054-4887
1943-5711
DOI:10.47037/2020.ACES.J.351106