Data decoder and method for use therein using a dynamically inde

Details Data decoder and method for use therein using a dynamically inde Data decoder and method for use therein using a dynamically inde

1993-05-20

1994-11-08

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

371 43, H03D 100, H04L 2706, G06F 1110, H03M 1312

Patent

active

053634136

ABSTRACT:
A data decoder using a dynamically indexed channel state metric to decode symbols recovered from a channel that provides an index value corresponding to a signal strength indication less an average signal strength for a symbol time period, selects a channel metric, corresponding to the index value, from predetermined values, and weights a decoder decision for the symbol time period in accordance with the channel metric.

REFERENCES:
patent: 4015238 (1977-03-01), Davis
patent: 4700349 (1987-10-01), Gallager
patent: 5010554 (1991-04-01), Bechtel et al.
patent: 5111483 (1992-05-01), Serfaty
patent: 5134635 (1992-07-01), Hong et al.
patent: 5144644 (1992-09-01), Borth
patent: 5271042 (1993-12-01), Borth et al.
patent: 5289504 (1994-02-01), Wilson et al.
Soft Decision Decoding of Block Codes Using Received Signal Envelope in Digital Mobile Radio, IEEE Journal on Selected Areas in Communications, vol. 7, No. 1, Jan. 1989, pp. 107-113.

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