Patent ID: 8774323

Claim:
A device for determining a symbol during reception of a quadrature signal pair-coupled signal, comprising: a discriminator, configured to determine the symbol based on an analysis of a received signal in a complex coordinate space; a control loop for at least one of quadrature amplitude modulation (QAM) frequency control and rotation control wherein control parameters are used, the control loop controlled depending on at least one symbol determined by the discriminator to adjust the control parameters for symbol decisions to be made later; a weighting values device configured to provide a plurality of weighting values, each weighting value associated with a corresponding symbol determined by the discriminator or to be determined by the discriminator, each weighting value depending on a position of the corresponding symbol in the complex coordinate space; a first weighting device configured as a constituent part of a rotation control device to weight a phase offset with a corresponding weighting value; a second weighting device configured to apply weighting with one of the plurality of weighting values to a control value for a carrier control device; wherein the first weighting device is configured to: generate a rotation signal, and furnish to the second weighting device an additional weighting value, which is used as another, delayed weighting value to apply additional weighting to the control value.