Adaptive maximum likelihood sequence estimator

Details Adaptive maximum likelihood sequence estimator Adaptive maximum likelihood sequence estimator

1994-06-28

1995-12-26

Envall, Jr., Roy N.

Excavating

375229, 375341, G06F 1110

Patent

active

054794196

ABSTRACT:
An adaptive maximum likelihood sequence estimator includes a channel estimator and a Viterbi algorithm processor for estimating the maximum likelihood transmission symbol sequences. The algorithm processor includes a branch metric computer in which common components are found from regularity in computations of coded alphabets of the transmission symbols and are used for all branch metric computation to reduce the total amount of the operations. Such effective computations are implemented by either of hardware and software in accordance with the constitution of the system of the adaptive maximum likelihood sequence estimator.

REFERENCES:
patent: 5303263 (1994-04-01), Shoji et al.
patent: 5371471 (1994-12-01), Chennakeshu et al.
patent: 5375129 (1994-12-01), Cooper
John G. Proakis, "Digital Communications", McGraw-Hill 1983, pp. 610-643.

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