System for integrating broadcasting and communication...

Details System for integrating broadcasting and communication... System for integrating broadcasting and communication...

2003-08-21

2008-11-25

Bello, Agustin (Department: 2613)

Optical communications

Multiplex

Broadcast and distribution system

C398S071000, C398S098000, C398S100000

Reexamination Certificate

active

07457541

ABSTRACT:
A system for integrating broadcast and communication technologies includes an optical-line terminal (OLT), a optical-network unit (ONU) and a user gateway, wherein a broadcast signal is processed on the basis of time division multiplexing (TDM) such that the quality of a broadcast service can be ensured. The ONU separates the optical signal transmitted from the OLT into the broadcast signal and the communication signal, processes upstream information transmitted from a user, and optically transmits the broadcast signal and the communication signal selected on a user-by-user basis, on the basis of a time slot. The user gateway opto-electrically converts a time slot-based optical signal transmitted from the ONU, separates the time slot-based optical signal into individual signals, distributes the individual signals on a service-by-service basis, and optically transmits the upstream information from the user to the ONU.

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