Method and arrangements for improving signal quality
作者： Michael Rasztovits-Wiech
DOI:
关键词:
摘要: The invention relates to a bandpass filter (OFI) which is mounted downstream of an optical amplifier (OV) and allows noise be largely reduced. In order for said able optimally receive burst signals (BS1, BS2,..., BSN) transmitted by several user devices (ONT1, ONT2,..., ONTN) also in central node (OLT), the set respective received carrier frequencies (TF1 TFN). Because time constraints, this possible only if (TF1,...) or associated setting values (FE1,...) have already been stored preset.
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