| 摘要 |
The invention relates to a method and a circuit arrangement for deciding a symbol upon reception of a signal coupled with a quadrature signal pair, wherein the decision is made through analysis of the distance between at least one reception point and at least one nominal point in the complex space. In order to improve the pull-in regions or decision regions in the case of higher-quality modulation methods even in the region of larger radii, it is proposed that the distance be analyzed in the non-Cartesian or not exclusively Cartesian complex phase space, the complex signal being transformed for distance analysis in the preferably polar coordinate space (R, alpha) as non-Cartesian complex phase space.
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