| 摘要 |
<p>An apparatus for determining a first and a second phase noise estimate is provided. The apparatus comprises a receiving interface (110), a partitioning module (120), a polarization decision module (130), a phase rotation module (140) and a determination module (150). The receiving interface (110) is configured to receive a plurality of input samples. Moreover, the receiving interface (110) is configured to assign at least some input samples of the plurality of input samples to an input sequence. The partitioning module (120) is configured to classify the input samples of the input sequence into two or more sets. The polarization decision module (130) is configured to decide for some of the input samples, whether to modify either the first amplitude value of the first polarization- component sample or the second amplitude value of the second polarization-component sample. The phase rotation module (140) is configured to determine a member sample group comprising a plurality of member samples, by applying a phase rotation to the first polarization-component sample and the second polarization component sample of some of the input samples. The determination module (150) is configured to determine the first phase noise estimate based on the first polarization-component sample of each member sample of the member sample group and the second phase noise estimate based on the second polarization-component sample of each member sample of the member sample group.</p> |
