Abstract
In this paper, a comprehensive performance evaluative study has been made on a V-Blast encoded MIMO MCCDMA wireless communication system on encrypted synthetically generated binary data transmissionusing Minimum Mean Square Error (MMSE) and Zero- Forcing (ZF) Linear channel equalization schemes. The 4G compatible system deploys two channel encoding schemes (1/2-rated Convolutional and CRC) under BPSK, DPSK, QPSK and QAM digital modulations. In the present simulated system, synthetically generated binary data transmission has been secured with concatenated implementation of Vigenere Cipher and RSA cryptographic algorithm. It is anticipated from the numerical results that the BPSK modulation outperforms as compared to DPSK, QPSK and QAM modulation schemes in MMSE channel equalization and V-BLAST based 1/2-rated Convolutional channel Encoded MIMO MCCDMA schemes under AWGN channels. For ZF channel equalization and CRC channel coding, the system shows identical performance. For both cases, QPSK digital modulation shows worst performance. It is noticeable from the present study that the ZF with ½-rated Convolution coding scheme is superior as compared to MMSE with CRC coding scheme for BPSK digital modulation.
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