1. Constellation mapping 1X16200 。 64QAM 6 。 (priority bit 12960bits+information 3240 bits) to , I , and 。 1 1 1 1 0 0 0 0 0 0 1 1 1 1 0 0 0 1 1 0 0 1 1 0 1 5 7 3 2 6 4 0 ( ) -7 -5 -3 -1 1 3 5 7 2 8.6 8.6 3 ( Q-Delay) , where and