Method and device for detecting and correcting any error in a sequence of numbers
US5905739A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1996 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Oct 28, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/03
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
According to a first aspect, the invention relates to the transmission of an "initial" sequence of at most 2.sup.n numbers, where n is a predetermined natural number, representing binary data modulating a predetermined physical quantity, characterized in that, successively: PA1 an "encoding" phase consists of adding to the initial sequence two "coherence" numbers to form a "total transmitted" sequence whose binary data are the subject of the said modulation, the two coherence numbers being determined so that two predetermined "coherence check" combinations applied to a total transmitted sequence each give a predetermined modulo P value, where P is a number more than 2.sup.n, PA1 a "decoding" phase consists of applying the said combinations to the numbers of the total received sequence and, where the results of the said combinations are not equal to the said predetermined modulo P values, deducing therefrom that a transmission error has occurred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.