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A new series equalizer based on Constant Modulus Algorithm (CMA) and Decision-directed (DD) algorithm is proposed to overcome Inter-Symbol Inter-ference (ISI) much better in the communication system without the aid of training sequences. The proposed equalizer uses the CMA as the forward filter and DD algorithm as the back filter. These two filters are(More)
A new concurrent scheme for blind equalization suitable for 16-QAM signal is proposed. It combines Modified Modulus Algorithm (MCMA) and Modified Decision Directed (MDD) algorithm. By exploiting the inherent structural relationship between the 4-QAM signal's coordinates and 16-QAM signals' coordinates, another style of cost function for Constant Modulus(More)
In digital communication system the Constant Modulus Algorithm (CMA) based FIR equalizer is by far the most popular blind equalization to combat the Inter-Symbol Interference (ISI). The major problem of CMA, however, is that it only achieves moderate convergence rate and steady state mean square error (MSE). Furthermore, the CMA and such blind equalization(More)
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