Patent ID: 8416871

Claim:
A transmission method for retransmitting in a transmitter of a wireless communication system, comprising: transmitting a first data mapped in a QAM constellation pattern in a first transmission; and retransmitting a second data mapped in said QAM constellation pattern in a retransmission; wherein said second data is reversion of said first data; wherein said QAM constellation pattern is a 64 QAM constellation pattern, and said first data is a bit sequence (b 5 , b 4 , b 3 , b 2 , b 1 , b 0 ) and said second data is a bit sequence (b 0 , b 1 , b 2 , b 3 , b 4 , b 5 ); and wherein a modulation symbol of said 64 QAM constellation pattern contains 6 bits [a 5 , a 4 , a 3 , a 2 , a 1 , a 0 ], and said bits [a 5 , a 2 ] have a high reliability, said bits [a 4 , a 1 ] have a medium reliability, and said bits [a 3 , a 0 ] have a low reliability.