Method and apparatus for data detection with an enhanced adaptive threshold
US6163580A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1997 |
| Grant date | Dec 19, 2000 |
| Priority date | — |
| Expiry date | Jun 9, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/062
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for detecting data is accomplished by an enhanced adaptive threshold which is coupled to receive a data signal and a first reference value. The enhanced adaptive threshold, based on the inputs, provides a threshold to a mixing circuit which, in turn, mixes the threshold with the data signal. The output of the mixer is then subsequently compared with a reference signal to provide an indication of the data signal and preserving its pulse width. The threshold produced by the adaptive threshold circuit is a fixed value when the relationship between the data signal and the first value is in the first state (i.e., the data signal is less than the first value) and the threshold is a proportional threshold when the data signal and the first value are in a second relationship (i.e., the data signal is greater than the first value).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.