Patent · US Active

Method of transmitting digital signals, corresponding transmission system, signal and computer program product therefor

US9407400B2 · kind B2 · utility

0Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2008
Grant dateAug 2, 2016
Priority date
Expiry dateOct 12, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L27/2626
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Digital signals are transmitted over a communication channel having a given bandwidth, by simultaneously transmitting: one or more Spread Spectrum signals, such as, Code Division Multiple Access signals, wherein the spectrum of the Spread Spectrum signals exhibits roll-off transition bands at the boundaries of the spectrum, and one or more multi-carrier transmission signals, such as, Orthogonal Frequency Division Multiplexing signals, which are transmitted over the transition bands of the Spread Spectrum signals.

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