US 7,065,685 B2 · Method for non-causal channel equalization

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.

Claims20

Dependent claims

In a communications system, a method for non-causal channel equalization, the method comprising:

receiving a non-return to zero (NRZ) data stream input;
comparing a first bit estimate for a current clock cycle, to a second bit value received in a prior clock cycle;
comparing the first bit estimate to a third bit value received in a subsequent clock cycle;
and,
in response to the comparisons, determining a first bit value for the current clock cycle.

2 more elements

In a communications system, a method for non-causal channel equalization, the method comprising:

receiving a data stream input;
comparing a first bit estimate for a current clock cycle to a second bit value received in a prior clock cycle;
comparing the first bit estimate to a third bit value received in a subsequent clock cycle;
and,
in response to the comparisons, determining a first bit value for the current clock cycle.

2 more elements

Dependencies are inferred from the claim text.

Method for non-causal channel equalization

Life of this patent

Method for non-causal channel equalization

Life of this patent

Abstract

Claims20