Underground broadcasting system

An improved underground broadcasting system is composed of an information delivering system 14 for delivering broadcast information to a transmitter apparatus; a plurality of transmitter apparatuses 13a and 13b for transmitting the broadcast information as delivered from the information delivering s...

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Bibliographic Details
Main Author KAMISE CHIHARU
Format Patent
LanguageEnglish
Published 10.01.2002
Edition7
Subjects
BROADCAST COMMUNICATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:An improved underground broadcasting system is composed of an information delivering system 14 for delivering broadcast information to a transmitter apparatus; a plurality of transmitter apparatuses 13a and 13b for transmitting the broadcast information as delivered from the information delivering system on carriers as modulated by an OFDM modulation at the same base band frequency; and a receiver apparatus for receiving the broadcast information as transmitted on the carriers as modulated by the OFDM modulation, demodulating the broadcast information in order to obtain and output the broadcast information as reproduced. It is therefore possible to receive data of a program with a better quality even in an underground structure.
Bibliography:Application Number: US20010814706