Concealed CFRP Vehicle Chassis Antenna Cavity

A concealed vehicular carbon fiber reinforced polymer cavity in the roof that contains antennas is proposed, prototyped, and measured. Compared to state-of-the-art roof-mounted shark-fin modules, this offers significantly more room for antennas and radio frequency hardware, thus enabling a smooth tr...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2017, Vol.16, p.1415-1418
Main Authors: Artner, Gerald, Langwieser, Robert, Mecklenbräuker, Christoph F.
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
automotive
Automotive engineering
Broadband
Broadband antennas
Carbon fiber reinforced plastics
carbon fiber reinforced polymer (CFRP)
Cavity resonators
Chassis
concealed
Fiber reinforced polymers
hidden
Modules
Monopole antennas
Monopoles
Vehicles
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Summary:A concealed vehicular carbon fiber reinforced polymer cavity in the roof that contains antennas is proposed, prototyped, and measured. Compared to state-of-the-art roof-mounted shark-fin modules, this offers significantly more room for antennas and radio frequency hardware, thus enabling a smooth transition of vehicular connectivity towards 5G. Three antennas were prototyped and embedded in the cavity: two laser direct structured antennas (inverted-F antenna for 2 GHz, monopole for 5.9 GHz), as well as a broadband conical monopole antenna milled from brass that characterizes the feasible frequency range from 2 to 6 GHz by measurement. It is shown that near-omnidirectional radiation from the concealed automotive antenna cavity is achievable.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2016.2637560