Method and means for transmultiplexing signals between signal terminals and radio frequency channels
US5396489A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1992 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Oct 26, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H17/0251
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are provided of transmultiplexing a plurality of signals between a plurality of signal terminals (17 or 29) and a plurality of selected radio frequency channels. The method includes the step of, and apparatus for, frequency translating and filtering the plurality signals between the plurality of selected channels and a polyphase discrete Fourier transform filter bank (16 or 21) within a comb filter (15 or 22). The method further includes the step of frequency division multiplexing the plurality of signals between the plurality of signal terminals and comb filter (15 or 22) within a polyphase discrete Fourier transform filter bank (16 or 21).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.