System and method for relative phase shift keying

Details System and method for relative phase shift keying System and method for relative phase shift keying

H - Electricity

04

L

H04L 27/22 (2006.01) H04B 3/54 (2006.01)

Patent

CA 2747202

Disclosed are various embodiments of systems and methods for relative phase shift keying. In one embodiment, an analog waveform is converted to digital signals. A specified frequency range is isolated and the magnitudes of tones corresponding to a channel are measured. The relative phase of a subset of the tones having the greatest magnitude is measured and a relative phase component is generated. At least one symbol is associated with the subset of tones and the relative phase component.

Dans des modes de réalisation variés, linvention concerne des systèmes et des procédés de déplacement relatif par modulation de phase. Dans un mode de réalisation, une forme donde analogique est convertie en signaux numériques. Une plage de fréquence spécifiée est isolée et des amplitudes de tonalité correspondant à un canal sont mesurées. La phase relative dun sous-ensemble de tonalités ayant la plus grande amplitude est mesurée et un composant de phase relative est généré. Au moins un symbole est associé au sous-ensemble de tonalités et au composant de phase relatif.

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