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- W2742331738 abstract "With the introduction of DVB-T2 in Germany and other European countries as new standard for Digital Video Broadcasting the underlying passive radar signal processing has also to be adapted, because the currently used predecessor, DVB-T, is not compatible to DVB-T2 on the physical layer. DVB-T2 has been improved in order to achieve a higher data rate and to allow more flexibility for different use cases. This leads to an increased computational effort. The basic concept for the pilot pattern is maintained so that for both standards additional peaks are generated in the ambiguity function. This problem can be fixed with the same filtering approach. Full reconstruction of the OFDM symbols isn't possible on all sub-carriers for DVB-T2 for several reasons, e.g. peak power canceling algorithm. A special challenge respresents also the MISO-Mode (Multiple Input Single Output), where a single frequency network can be split into transmitter groups so that different, but similar signals are broadcasted. For normal broadcast receivers the interference of two transmitters with similar power can be removed in this mode, but for passive radar processing the superposition according to the ambiguity function and the cross-coupling functions are of importance so that the separation of target signals from line-of-sight-components and clutter is more involved." @default.
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- W2742331738 date "2017-06-01" @default.
- W2742331738 modified "2023-09-25" @default.
- W2742331738 title "Migration to the DVB-T2-standard for passive radar" @default.
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- W2742331738 doi "https://doi.org/10.23919/irs.2017.8008104" @default.
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