Patent · US Expired

Polyphase-discrete fourier transform (DFT) sub-band definition filtering architecture

US6990060B2 · kind B2 · utility

4Cited by
19References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 12, 2001
Grant dateJan 24, 2006
Priority date
Expiry dateMar 26, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H2218/04
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system and method for demultiplexing an RF signal including nested frequency division multiplexed (FDM) channels is disclosed. The system can demultiplex an RF signal including at least two nested sets of FDM channels extending over a bandwidth B.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.