Rotated QAM Constellations to Improve BICM Performance for DVB-T2 旋转星座图技术是DVB-T2标准中一项重大技术创新点，2008年的这篇文章详细描述了这个技术.-Rotated QAM Constellations to Improve BICM Performance for DVB-T2 technology constellation rotation is the standard DVB-T2 in a major te