BROADCASTING RETRANSMITTING METHOD AND BROADCASTING RETRANSMITTING APPARATUS, RELAY APPARATUS AND BROADCASTING RETRANSMITTING SYSTEM USING THE SAME

PURPOSE: A broadcasting retransmission device is provided to safely supply different signal which a plurality of neighboring device desires. CONSTITUTION: Broadcasting in which a demodulation unit(320) modulated is demodulated. A modulation unit(370) modulates a demodulated broadcasting in a second...

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Main Authors CHANG, YONG DEOK, HAN, SUN BUM, KIM, JUNG JIN
Format Patent
LanguageEnglish
Korean
Published 06.07.2011
Subjects
BROADCAST COMMUNICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Abstract PURPOSE: A broadcasting retransmission device is provided to safely supply different signal which a plurality of neighboring device desires. CONSTITUTION: Broadcasting in which a demodulation unit(320) modulated is demodulated. A modulation unit(370) modulates a demodulated broadcasting in a second modulation system. A spectrum sensing unit(390) detects an available band through a spectrum sensing in an idle bandwidth. A control unit(400) retransmits the modulated broadcasting to at least one neighboring device through the detected available band.
AbstractList PURPOSE: A broadcasting retransmission device is provided to safely supply different signal which a plurality of neighboring device desires. CONSTITUTION: Broadcasting in which a demodulation unit(320) modulated is demodulated. A modulation unit(370) modulates a demodulated broadcasting in a second modulation system. A spectrum sensing unit(390) detects an available band through a spectrum sensing in an idle bandwidth. A control unit(400) retransmits the modulated broadcasting to at least one neighboring device through the detected available band.
Author HAN, SUN BUM
KIM, JUNG JIN
CHANG, YONG DEOK
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Snippet PURPOSE: A broadcasting retransmission device is provided to safely supply different signal which a plurality of neighboring device desires. CONSTITUTION:...
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SubjectTerms BROADCAST COMMUNICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Title BROADCASTING RETRANSMITTING METHOD AND BROADCASTING RETRANSMITTING APPARATUS, RELAY APPARATUS AND BROADCASTING RETRANSMITTING SYSTEM USING THE SAME
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