Multiple-antenna space multiplexing system using enhancement signal detection and method thereof

A method for transmitting a signal in a multiple-antenna space multiplexing system using enhancement signal detection, comprising:

• coding and modulating, by a code modulation module (101), bit information;
• transmitting, by a signal transmission module (102), the modulated signals;
• receiving, by a signal reception module (201), the signals;
• transforming, by a signal form transform module (202), form of a channel matrix H and the received signal vector r;
• detecting, by a signal detection module (203), the received signals;
• reconstructing, by a signal reconstruction module (204), the detection results of in the signal detection module, and obtaining, by the signal reconstruction module (204) a detected signal {tilde over (s)};
• demodulating and decoding, by a demodulation decoding module (205), the output of the signal reconstruction module, and outputting, by the demodulation decoding module (205), bit information,
• wherein signals are transmitted, by the signal transmission module, as following principles:
• a signal waiting to be transmitted is s, assuming that quasi-static fading channel H remains the same between adjacent time block T1 and T2;
• in time block T1, the transmission signal is sT1=Re(s)+jIm(s);
• in time block T2, the transmission signal is sT2=Im(s)+jRe(s), where Re(s) indicates a real part of complex signal, Im(s) indicates an imaginary part of complex signal.