DIGITAL BROADCAST RETRANSMISSION SYSTEM, DIGITAL BROADCAST RETRANSMISSION METHOD, PACKET CONVERTING APPARATUS, AND FREQUENCY CONVERTING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a technology for accomplishing a system of small hardware scale for promptly retransmitting digital broadcast using an Internet protocol.;SOLUTION: A digital broadcast retransmission system includes: a packet converting apparatus that receives a radio frequency signal broadcasted from a digital broadcasting apparatus, demodulates the radio frequency signal to extract transmission-path-encoded transmission path encoding information from the radio frequency signal, converts the transmission path encoding information into a packet, and transmits the packet to a network; and a frequency converting apparatus that receives the packet from the packet converting apparatus through the network, extracts the transmission path encoding information from the packet, modulates the transmission path encoding information to generate a radio frequency signal, and transmits the radio frequency signal to a digital broadcast receiving apparatus.;COPYRIGHT: (C)2011,JPO&INPIT