Performance Analysis of STBC with QAM Constellation Modulation

The objective of this simulation is to evaluate the Bit Error Rate (BER) performance when employing Quadrature Amplitude Modulation (QAM) constellation scheme combined with Space-Time Block Coding (STBC). This implementation typically involves generating random QAM symbols, applying STBC encoding algorithms (such as Alamouti coding for 2×1 MIMO systems), simulating various channel conditions (including Rayleigh fading and AWGN), and performing maximum likelihood decoding. The simulation framework examines system performance across different signal-to-noise ratio (SNR) values and modulation orders (e.g., 16-QAM, 64-QAM). Through detailed BER analysis using Monte Carlo methods, we can characterize the system's behavior under diverse conditions and identify optimization opportunities for improved error performance. Key implementation aspects include constellation mapping/demapping functions, STBC encoder/decoder modules, and channel effect emulation using appropriate statistical models.