Method for non-causal channel equalization

Details Method for non-causal channel equalization Method for non-causal channel equalization

2006-06-20

2006-06-20

Torres, Joseph (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Data pulse evaluation/bit decision

Reexamination Certificate

active

07065685

ABSTRACT:
A system and method are provided for non-causal channel equalization in a communications system. The method comprises: establishing a first threshold (V1) to distinguish a high probability “1” first bit estimate; establishing a second threshold (V0) to distinguish a high probability “0” first bit estimate; establishing a third threshold (Vopt) to distinguish first bit estimates between the first and second thresholds; receiving a non-return to zero (NRZ) data stream; comparing the first bit estimate in the data stream to a second bit value received prior to the first bit; comparing the first bit estimate to a third bit value received subsequent to the first bit; in response to the comparisons, determining the value of the first bit.

REFERENCES:
patent: 3386081 (1968-05-01), Varsos
patent: 3449716 (1969-06-01), Cuddeback et al.
patent: 3480910 (1969-11-01), Brenza et al.
patent: 4163209 (1979-07-01), McRae
patent: 6915464 (2005-07-01), Castagnozzi et al.

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