发明名称 |
Multi-tone system with oversampled precoders |
摘要 |
A multi-tone system includes a data transmission circuit with an interface for receiving a data stream for transmission, a data steam splitter that splits the data stream to produce multiple substreams and a plurality of parallel data preparation circuits. Each data preparation circuit prepares a respective substream for transmission and generates a respective sub-channel signal. At least a first data preparation circuit of the plurality of parallel data preparation circuits includes a first analog filter for filtering a first substream. The first analog filter operates at a sample rate greater than the respective symbol rate of the first substream. The first analog filter provides pre-emphasis of the respective sub-channel signal and attenuation of signals outside of a respective band of frequencies corresponding to the respective sub-channel signal. The data transmission circuit also includes a combiner for combining respective sub-channel signals to generate a data transmission signal. |
申请公布号 |
US8139675(B2) |
申请公布日期 |
2012.03.20 |
申请号 |
US20100907937 |
申请日期 |
2010.10.19 |
申请人 |
STOJANOVIC VLADIMIR M.;AMIRKHANY AMIR;ZERBE JARED L.;RAMBUS INC. |
发明人 |
STOJANOVIC VLADIMIR M.;AMIRKHANY AMIR;ZERBE JARED L. |
分类号 |
H04L27/00 |
主分类号 |
H04L27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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