With modern and future cars a multitude of antennas is applied. Luxury cars of nowadays have antennas not only for standard AM-/FM-reception but for TV reception, keyless entry, remote control functions, satellite navigation, mobile phone and, in future, for digital radio and digital satellite services as well. For mobile communication antenna-diversity turn out to be a future technique to overcome signal fading and linear signal distortions in a multipath environment. Already nowadays multiantenna diversity systems are used for FM- and TV-reception which lead to a much better reception quality. In the paper the respective antenna systems and diversity systems are presented and the basic principles of function are explained. In addition numerical techniques used for the evaluation of antenna characteristics in cars are discussed.
Multi-Antennensysteme für zukünftige mobile Kommunikation
Multiantennasystems for future mobile communication
2001
30 Seiten, 35 Bilder, 2 Quellen
Conference paper
German
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