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    • 3. 发明申请
    • RELAY APPARATUS FOR TRANSMITTING ANCILLARY DATA FOR A TERRESTRIAL DIGITAL TELEVISION BROADCAST, AND METHOD FOR SAME
    • 用于传送陆地数字电视广播的辅助数据的继电装置及其方法
    • WO2011043544A3
    • 2011-07-21
    • PCT/KR2010006078
    • 2010-09-08
    • KOREA ELECTRONICS TELECOMMSEO JAE-HYUNPARK SUNG-IKEUM HO-MINLIM HYOUNGSOOKIM HEUNG-MOOK
    • SEO JAE-HYUNPARK SUNG-IKEUM HO-MINLIM HYOUNGSOOKIM HEUNG-MOOK
    • H04H20/02H04N7/015H04N7/08
    • H04H20/02H04N7/08H04N21/2383H04N21/4382
    • The present invention relates to a relay apparatus for transmitting ancillary data and to a method for same, and particularly, to a relay apparatus for transmitting ancillary data for a terrestrial digital television broadcast and to a method for same. The apparatus according to one embodiment of the present invention comprises: a relay apparatus for relaying a digital broadcast (DTV) signal containing ancillary data; a receiving and processing unit for receiving the ancillary data and DTV signal via a receiving antenna, down-converting the received signal into an intermediate frequency (IF) signal, and demodulating the IF signal; an equalizing unit for removing noise and a multipath signal from the signal output from the receiving and processing unit, and outputting the resulting signal; an ancillary data extraction unit for extracting the ancillary data from the signal output from the equalizing unit, and outputting the extracted ancillary data; an adder for adding the output from the ancillary data extraction unit to the DTV signal output from the equalization unit; and a transmitting and processing unit for modulating the output from the adder, up-converting the modulated output into a transmitting RF band, amplifying the transmitting power, and transmitting the amplified power via a transmitting antenna.
    • 本发明涉及一种用于发送辅助数据的中继装置及其方法,尤其涉及一种用于发送用于地面数字电视广播的辅助数据的中继装置及其方法。 根据本发明的一个实施例的设备包括:中继装置,用于中继包含辅助数据的数字广播(DTV)信号; 接收和处理单元,用于经由接收天线接收辅助数据和DTV信号,将接收的信号下变频为中频(IF)信号,并解调IF信号; 均衡单元,用于从接收和处理单元输出的信号中去除噪声和多径信号,并输出结果信号; 辅助数据提取单元,用于从均衡单元输出的信号中提取辅助数据,并输出提取的辅助数据; 加法器,用于将来自辅助数据提取单元的输出加到从均衡单元输出的DTV信号上; 以及发射和处理单元,用于调制来自加法器的输出,将调制输出上变频成发射RF频带,放大发射功率,并通过发射天线发射放大的功率。