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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 techniques must rely on the observations...
A blind adaptive filter with detection of PAM signal is proposed. By studying the structures of different order PAM signals, a new cost function including channel blind equalization and signal detection is defined. The key of this method is that the new constellations of different order PAM signals can be changed to 2-PAM, so we can used the constant statistical information of 2-PAM to equalize the...
The paper proposes a concurrent scheme for blind equalization suitable for high-order QAM signals; this scheme combines Modified Modulus Algorithm (MCMA) and Decision Directed (DD) algorithm. The proposed algorithm makes full use of the advantages of MCMA and DD algorithm and these two algorithms operate concurrently. Furthermore, in such algorithm a novel rule to control the adjustment of DDpsilas...
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