Calculation of Ergodic and Outage Capacities for MIMO Rayleigh Channels

This function computes the ergodic and outage capacities of MIMO Rayleigh channels, considering both scenarios without CSIT (equal power allocation) and with perfect CSIT (water-filling power allocation). Both cases assume ideal channel conditions. The channel follows the Kronecker model with spatial correlation but remains temporally uncorrelated. The implementation includes key algorithms for capacity calculation under different transmission strategies.