Wireless communication system has been matured as a key technique to realize high data rates, more handling power, and optimizing 5G applications to increase users rapidly. Due to the issues of fading, it is difficult to obtain high data rates and maximum capacity. Different coding schemes have been implemented to contend the effect of fading. Multiple – input multiple-output (MIMO) technology remains robust technology besides channel coding. Here in this research paper, concentrate on employing the available resources in the wireless communication system to enhance the performance of the MIMO system when concatenated STBC code with forward error correction (FEC) code, such as (BCH) code without additional power or further bandwidth. The outcomes show the coding technique gives better improvement in the BER and obtain good coding gain when using BCH(31,16)-STBC, BCH(127,106)-STBC the coding gain is about 5.8 dB,3.7 dB consecutively under AWGN channel and improved by 13.25 dB, 9 dB successively under Rayleigh fading channel at BER about 10−3, when compared with uncoded system. Additionally, this research manifests that the proposed model gives the improvement in BER performance about (5% to 86%)over AWGN channel and (6% to 100%) over Rayleigh fading channel when compared with the uncoded system.
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