Signal decoding method using both signal and channel state infor

Details Signal decoding method using both signal and channel state infor Signal decoding method using both signal and channel state infor

1991-06-28

1994-02-22

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375 94, 375 85, 329304, H03K 900, H04L 2706, H04L 2714

Patent

active

052895041

ABSTRACT:
Multilevel angle modulated information is decoded through integral use of channel state information. In a Viterbi Algorithm Trellis Code Modulation decoder (213), channel state information indicating temporal reliability of received symbols is utilized, along with the received symbol information and the Trellis Coding rules themselves, to facilitate a most probable symbol determination. The channel state information may be received signal strength indication information. The latter can be additionally processed by, for example, time delay compensation (401), normalization (403), morphological erosion (404), linearization (406), and/or through static channel detection (408).

REFERENCES:
patent: 4945549 (1990-07-01), Simon et al.
patent: 5031193 (1991-07-01), Atkinson et al.
patent: 5113416 (1992-05-01), Lindell
patent: 5127025 (1992-06-01), Okanoue
patent: 5134635 (1992-07-01), Hong et al.
"Channel Coding with Multilevel/Phase signals", IEEE Transaction on information, Ungerboeck, vol. 28, 1981.

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