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Approach to blind decision feedback equalisation

Approach to blind decision feedback equalisation

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Based on the fact that a decision feedback equaliser (DFE) can be divided into a linear equaliser and a prediction error filter with feedback, a new blind adaptation method for the DFE is proposed. The proposed method provides reliable convergence and the resulting symbol error rate is very close to that of the DFE using a training sequence.

Inspec keywords: convergence of numerical methods; decision feedback equalisers; prediction theory; least mean squares methods

Other keywords: blind decision feedback equalisation; symbol error rate; prediction error filter; linear equaliser; convergence; training sequence; blind adaptation method

Subjects: Interpolation and function approximation (numerical analysis); Interpolation and function approximation (numerical analysis); Information theory; Information theory; Signal processing and detection

References

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      • Macchi, O., Hachicha, A.: `Self-adaptive equalisation based on a prediction principle', Proc. IEEE-GLOBECOM'86, 1986, p. 1641–1645.
    2. 2)
      • E.A. Lee , D.G. Messerschmitt . (1998) Digital communication.
    3. 3)
      • D.N. Godard . Self-recovering equalisation and carrier tracking in two-dimensionaldata communication systems. IEEE Trans. Commun. , 11 , 1867 - 1875
    4. 4)
      • D. Hatzinakos . Blind equalisation using decision feedback prediction and tricepstrumprinciple. Signal Process. , 261 - 276
    5. 5)
      • D. Hatzinakos , C.L. Nikias . Blind equalisation using a tricepstrum-based algorithm. IEEE Trans. , 5 , 669 - 682
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