a mobile radio system. In principle, an air interface is comparable to an interface on the physical level, since the air interface ensures adaptation to the medium air. The transmission-relevant parameters are the frequency bands for the uplink and downlink. Furthermore, the modulation type, the transmission method, whether frequency division multiplex or time division multiplex, and the access to frequency-discrete radio channels are defined in this interface.
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|Englisch:||air interface - AI|