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Research Article Open Access
Future services needed the high data rate and reduced Bit Error Rate. The Multi Modulus Blind Equalization scheme for the Quadrature Amplitude Modulation was proposed in this paper. The algorithm includes the Cascaded Multi Modulus Blind Equalization. The constant modulus algorithm was used for the equalization of the demodulated signal. In the constant modulus algorithm the Bit Error Rate is in moderate range and convergence rate is low. Proposed MMA is the modified CMA based on the cost function. The CMA needs the separate Phase recovery system. The Proposed Algorithm does not need the separate system for phase recovery. The system was demonstrated with simulation and results are compared with CMA which provides high data rate and reduced BER.
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Author(s): Arivukkarasu S, Malar R