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Erschienen in:
1997 | OriginalPaper | Buchkapitel
Introduction
verfasst von : Umberto Mengali, Aldo N. D’Andrea
Erschienen in: Synchronization Techniques for Digital Receivers
Verlag: Springer US
Enthalten in: Professional Book Archive
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In synchronous digital transmissions the information is conveyed by uniformly spaced pulses and the received signal is completely known except for the data symbols and a group of variables referred to as reference parameters. Although the ultimate task of the receiver is to produce an accurate replica of the symbol sequence with no regard to reference parameters, it is only by exploiting knowledge of the latter that the detection process can properly be performed. A few examples are sufficient to illustrate this point.