Methods and devices for randomizing burst errors
US7870462B2 · kind B2 · utility
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4References
7Claims
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Key dates
| Filing date | May 7, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Nov 30, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/275
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Error bursts are randomized by an interleaver which makes use of “set leaders” to generate permutation indices. The permutation indices are used to route bits from initial positions in an input bit stream to re-arranged or randomized positions in an output bit stream. When the output bit stream is then transmitted and subsequently received by a de-interleaver which returns the received bits to their initial, pre-randomized positions, the resulting received signal has an acceptable bit error rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.