Efficient MLSE equalizer implementation

Details Efficient MLSE equalizer implementation Efficient MLSE equalizer implementation

2008-04-29

2008-04-29

Ahn, Sam K. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

07366260

ABSTRACT:
A path metric computation method and apparatus for estimating a maximum likelihood sequence in a wireless communication network. The proposed method applies the statistical properties of estimated channel impulse response to reduce the computational load. A threshold is set to check the significance of each autocorrelation value in order to determine the contribution to the path metric increment. The corresponding terms in the path metric equation with insignificant autocorrelation values are thus discarded to reduce the complexity of path metric computation.

REFERENCES:
patent: 5432821 (1995-07-01), Polydoros et al.
patent: 6111923 (2000-08-01), Mueller et al.
patent: 6424940 (2002-07-01), Agassy et al.
patent: 2005/0018794 (2005-01-01), Tang et al.

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