Our system is a 4×4 MIMO Rayleigh channel with uncorrelated distributions. The modulation used is QPSK. We wish to simulate the performance of the system with the following configurations:

I. Uncoded system (𝑟 =4)

In this scheme transmitter sends 4 parallel data streams without any code The Uncoded scheme encoding operation is given by

𝐶 1=(𝑥 1𝑥 2𝑥 3𝑥 4)