Maximum-liklihood sequence estimation apparatus

Details Maximum-liklihood sequence estimation apparatus Maximum-liklihood sequence estimation apparatus

1990-11-19

1992-09-08

Chin, Stephen

Pulse or digital communications

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Testing

371 43, H04L 2706

Patent

active

051464756

ABSTRACT:
A maximum-likelihood sequence estimation apparatus supplied with a received signal for outputting data in accordance with a state selected on the basis of an estimated maximum-likelihood sequence. The apparatus comprises a plurality of channel characteristics estimation circuits provided for respective states and respectively supplying estimated values of channel characteristics for different states to a maximum-likelihood sequence estimation circuit.

REFERENCES:
patent: 4644564 (1987-02-01), Dolivo et al.
patent: 4748626 (1988-05-01), Wong
patent: 4885757 (1989-12-01), Provence
patent: 4888735 (1989-12-01), Karabed et al.
patent: 4888775 (1989-12-01), Karabed et al.
Gottfried Ungerboeck, "Adaptive Maximum-Likelihood Receiver for Carrier-Modulated Data-Transmission Systems", IEEE Transactions on Communications, vol. COM-22, No. 5, May 1974, pp. 624-636.
Francis R. Magee, Jr. et al., "Adaptive Maximum-Likelihood Sequence Estimation for Digital Signalling in the Presence of Intersymbol Interference", IEEE Transactions on Information Theory, Jan. 1973, pp. 120-124.

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