| 摘要 |
The present invention provides a soft-threshold-based multi-layer decision feedback equalizer, including a feed forward filter for receiving a transmitted data, a feed backward filter, an adder and a soft-threshold-based multi-layer decision engine (STM engine). The adder is coupled to an output end of the feed forward filter and an output end of the feed backward filter, and generating an output of the equalizer. The STM engine includes a threshold detector, a data detector and a state machine. The STM engine detects whether or not the output of the equalizer is in a defined threshold value so as to determine the STM works as a slicer or delay decision.
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