A robust and secure time-domain interference cancellation using optimisation method in MIMO-OFDM system Online publication date: Tue, 02-Mar-2021
by Chittetti Venkateswarlu; Nandanavanam Venkateswara Rao
International Journal of Electronic Security and Digital Forensics (IJESDF), Vol. 13, No. 2, 2021
Abstract: In this paper, a robust and secure time-domain interference cancellation is proposed using modified genetic algorithm in orthogonal frequency division multiplexing based on MIMO-OFDM system. Hence, with an eye on regulating the interference occurrence in the AWGN channel, the communicated signals are subjected to the optimisation procedure prior to its arrival at the receiver end. In the work, the process of optimisation is effectively executed with the help of the modified genetic algorithm. The efficiency metrics are appropriately evaluated for the input and the regenerated signals by means of the SER, BER and the MSE for modulating the SNR values for the novel and the modern techniques. From the experimental results, the results show that although proposed method is not the optimal strategy to maximise the SNR, it offers a better performance than MMSE for MIMO frequency selective channels and thus threatens the overall security of the system.
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