发明名称 |
METHOD OF HALF-BIT PRE-EMPHASIS FOR MULTI-LEVEL SIGNAL |
摘要 |
<p>Methods and apparatus for improving transmission channel efficiency are provided. In an example, a digital signal is received. A leading portion of a bit in the digital signal is pre-emphasized. The received digital signal is modulated with a pre-emphasis signal to pre-emphasize a leading portion of the bit in the digital signal. The pre-emphasis signal provides pre-emphasis substantially when a clock is high and the received digital signal transitions. The pre-emphasis signal does not provide pre-emphasis when the received digital signal is low or the received digital signal is unchanged. The pre-emphasized digital signal is then transmitted via the transmission channel. In an example, the received digital signal us a pulse-amplitude modulated multilevel signal.</p> |
申请公布号 |
WO2012097359(A1) |
申请公布日期 |
2012.07.19 |
申请号 |
WO2012US21437 |
申请日期 |
2012.01.16 |
申请人 |
QUALCOMM INCORPORATED;DANG, HARRY H.;DANG, VANNAM |
发明人 |
DANG, HARRY H.;DANG, VANNAM |
分类号 |
H04L25/03 |
主分类号 |
H04L25/03 |
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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