QAM调制方式下的THP预编码程序与BPSK调制方式下基于ZF、MMSE及基于ZF、MMSE干扰消除的信号检测技术-QAM modulation coding procedures under the THP pre-BPSK modulation mode and based on ZF, MMSE, and based on ZF, MMSE interference cancellation signal detection