Digitalization VHF FM Band
ID: 208165
Digitalization VHF FM Band
20.Dec.09 14:01
4797
Abstract
In 2008 and before several field tests with Digital Systems in the VHF FM Band took place (at least in Germany). One focus was the compatibility with the existing FM Broadcasting System, regarding channel spacing resp. spectrum mask and the interference with the existing FM.
Content
1 VHF FM Broadcast System
1.1 Strategy of introducing
1.2 Steps toward nowadays FM System
1.2.1 Frequency, Channel Spacing and FM–Spectrum
1.2.2 Multiplex: Stereo, Traffic Information, RDS
1.2.3 Audio–Processing
1.2.4 Disturbance of FM
2 Features of a Broadcast System
3 The DAB System
4 The DVB-T System
5 The DRM+ System
5.1 Reduction of the Crest-factor of DRM+
5.1.1 RF Carrier
5.2 Dummy Data
5.3 Parallel Channel: Time Diversity
5.4 Competition with DAB
6 The HD-Radio System
6.1 Compatibility with VHF FM
7 The VHF CPM System
8 The FmeXtra System
9 Summary
Find the paper here. (in German)
A plain text file will be available on request.
Regards
Dietmar
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