Decoding system for distinguishing different types of convolutionally-encoded signals
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United States of America Patent
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Jul 20, 1993
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N/A
app pub date -
Feb 8, 1991
filing date -
Feb 8, 1991
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Abstract
A decoding system discriminates between different types of communications traffic signals. Each type of traffic signal is encoded using a different error correction code. Plural, parallel decoders each decode a received traffic signal using a different decoding technique. Each decoding technique operates in accordance with one of the error correction codes. A quantitative measurement of the reliability of a decoded result is generated by each decoder. A comparison processor accumulates the quantitative measurements made by each decoder and compares the accumulated values. That decoder having the most reliable, accumulated value is selected to decode the current traffic signals. The remaining decoders are deactivated to conserve processing time.
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