Method and circuit arrangement for symbol decision upon the...

Pulse or digital communications – Receivers – Angle modulation

Reexamination Certificate

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C375S261000, C375S341000

Reexamination Certificate

active

08031812

ABSTRACT:
The invention relates to a method and a circuit arrangement for deciding a symbol upon the reception of a signal including or coupled with a quadrature signal pair, wherein the decision is made by means of an analysis of the metric of at least one reception point to at least one nominal point in a complex coordinate space, and the metric is analyzed in the non-Cartesian or not exclusively Cartesian complex coordinate space. The decision is made after the analysis, and during the decision process, a second most probable nominal point and a reliability of the decision are determined.

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Hubber, J. “Trelliscodierung.” Springer-Verlag, Berlin: 1992. ISBN 3-540-55792-X, S. pp. 99-139.

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