Method and system for data compession with dictionary pre-load of a set of expected character strings
US6683547B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2002 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Apr 22, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M7/3088
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method, apparatus and computer program product for encoding data transmitted over a communications channel, including pre-loading an encoder dictionary with a set of character strings expected to appear in input data to be encoded; and encoding the input data with the set of expected character strings pre-loaded in the encoder dictionary. In another aspect, there is provided a method, apparatus and computer program product for decoding encoded data received over a communications channel, including pre-loading a decoder dictionary with a set of character strings expected to appear in the encoded data; and decoding the encoded data with the set of expected character strings pre-loaded in the decoder dictionary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.