Filter co-processor
US5905757A · kind A · utility
17Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1996 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Oct 4, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/5443
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A filter co-processor within a Digital Signal Processor (DSP) takes advantage of the orthogonal nature of modulated signals during the equalization process. Since, after reception, only certain real/imaginary values of the received signal are useful for demodulation, the filter co-processor only processes those values to estimate the transmitted signal. By processing only those values useful for demodulation, the filter co-processor is able to process more information in a given amount of time, leading to increased processing when compared to the prior art.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.