Apparatus and method of space time block code for 2 tx antennas with full diversity and full rate

The present invention is a full diversity maximum data rate at a transmitter for transmitting through the two transmit antennas according to the second relates to a space-time block coding apparatus and method in a transmitter of a communication system using two transmission antennas, a predetermined symbol sequence is input rule It proposes a space-time coder and a space-time block coding method with. Space time block coding, the maximum diversity, maximum rate