Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1995-12-01
1996-12-03
Chin, Stephen
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375262, 375349, H04L 2706
Patent
active
055815812
ABSTRACT:
A Viterbi equalizer can provide an accurate equalizing characteristic. This Viterbi equalizer comprises a synchronizing signal data detecting circuit for detecting a synchronizing signal data portion from a reception signal data series, a transmission line characteristic estimating circuit for modelling an impulse response between a transmitter and a receiver by comparing a synchronizing signal data detected by the synchronizing signal data detecting circuit with a reference signal, and a decoding circuit for decoding a transmission data series by using a Viterbi algorithm on the basis of a transmission model obtained from the transmission line characteristic estimating circuit.
REFERENCES:
patent: 5091918 (1992-02-01), Wales
patent: 5204878 (1993-04-01), Larsson
patent: 5285480 (1994-02-01), Chennakeshu et al.
patent: 5349607 (1994-09-01), Moreno
Second IEE National Conference on Telecommunications, York, GB, Apr. 2-5, 1989, L. B. Lopes; "Performance of Viterbi Equalizers for the GSM System", pp. 61-66.
IEE Proceedings--I, vol. 138, No. 4, Aug., 1991, A. Reichman, "Adaptive Detection Using Least-Square Filters", pp. 239-246.
Sixth International Conference on Mobile Radio and Personal Communications, Dec. 9-11, 1991, E. Dahlman, "Improved Adaptive Viterbi-Detectors for Fast-Varying Mobile-Radio Channels", pp. 21-25.
Chin Stephen
Sony Corporation
Vo Don
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