METHOD OF MULTIPLE INPUT MULTIPLE OUTPUT TRANSMISSION IN DIGITAL VIDEO BROADCASTING SYSTEM AND APPARATUS FOR THE SAME
摘要
<p>PURPOSE: A MIMO(Multiple Input Multiple Output) transmission method in a digital video broadcasting system and a device thereof are provided to make an average output power of a signal inputted to each antenna equal or similar to each other. CONSTITUTION: An r2n-1 and an r2n are generated by the combination of a transmission signal modulated by 16QAM(Quadrature Amplitude Modulation) and QPSK(Quadrature Phase Shift Keying) modulation through a precoding process. A value with a different component size of 16QAM and QPSK is included in the r2n-1 and the r2n. The r2n-1 and the r2n have a different PAPR (Peak-to-Average Power Ratio) value from each other. A precoded r2n-1 and r2n are alternatively inputted to an amplifier connected to each antenna for the signal inputted to an amplifier before amplification of the output signal from antenna 1 and antenna 2.</p>
申请公布号
KR20120035827(A)
申请公布日期
2012.04.16
申请号
KR20110010865
申请日期
2011.02.08
申请人
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人
BAE, JAE HWUI;LEE, GWANG SOON;LEE, HYUN;KIM, YOUNG SU;LEE, BONG HO;SONG, YUN JEONG;LEE, SOO IN