Performance of OSTBC5 through three different channels using zero forcing equalizer in MIMO system

OSTBC stands for orthogonal space time block coding. It gives more advantages then space time coding. OSTBC4 already use with limited number of receiving antenna but in this paper we use 5 receiving antennas to find the performance of the large MIMO. OSTBC perform function for more than 2 antennas. The OSTBC use linear STBC. All signals orthogonal to each other. The orthoganality empowers us to accomplish full transmit differing qualities according to furthermore; in the meantime, it permits a basic ML deciphering. Precoded OSTBC has a higher unraveling many-sided quality and a lower coding and other two codes, since in the precoded OSTBC the data images should be together planned and decoded. The OSTBC Encoder piece encodes the data images from the PSK Modulator by utilizing either the Alamouti code for two transmit reception apparatuses or other summed up complex orthogonal codes for three or four transmit radio wires. OSTBC perform the analysis between the BER vs SNR through three channels with zero forcing decoder. The OSTBC has best performance related to signal to noise ratio than STBC.