Performance Analysis of MIMO-STBC Systems with Higher Coding Rate Using Adaptive Semiblind Channel Estimation Scheme
Figure 10
Received constellation for Alamouti’s antenna system with code rate 1 with discriminating levels at SNR 23 dB for 16-QAM modulation with angle 36.89° in (a) and QPSK modulation with angle 8.92° in (b).