Shared hybrid fiber-coax system having increased bandwidth...

Details Shared hybrid fiber-coax system having increased bandwidth... Shared hybrid fiber-coax system having increased bandwidth...

H - Electricity

04

N

H04N 7/10 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2205197

Bandwidth is increased and noise may be reduced in a shared hybrid fiber-coax transmission system (10) by digitally modulating upstream information onto a high frequency band (e.g., 750-1000 MHz) and thereafter digitally regenerating both the high frequency upstream information as well as a portion of the downstream information not used for broadcast video (i.e., the 500-750 MHz band).

L'invention permet d'élargir la bande passante et de réduire le bruit dans un système de transmission hybride partagé à fibre et à câble coaxial (10) en modulant numériquement l'information d'amont dans une bande de hautes fréquences (p. ex. 750-1000 MHz), puis en régénérant numériquement l'information d'amont haute fréquence et une partie de l'information d'aval non utilisée pour la diffusion vidéo (bande de 500 à 750 MHz).

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