Bit error counting method and counting technical field

An error detecting device and method for use when applying the Viterbi decoding to an inputted signal, when it is necessary to derive the number of errors included in a decoded signal. A value of a path metric derived upon the Viterbi decoding is read out and outputted as the number of errors. Two k...

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Bibliographic Details
Main Author ABE; MASAMI
Format Patent
LanguageEnglish
Published 17.11.1998
Edition6
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Summary:An error detecting device and method for use when applying the Viterbi decoding to an inputted signal, when it is necessary to derive the number of errors included in a decoded signal. A value of a path metric derived upon the Viterbi decoding is read out and outputted as the number of errors. Two kinds of decoding devices, each reading out a value of a path metric and outputting this value as the number of errors, are provided for a sound signal and an FACCH signal. A signal is inputted to both devices for decoding, respectively. The numbers of errors derived from both devices are compared, and it is judged based on a result of the comparison, whether the inputted signal is the sound signal or the FACCH signal.
Bibliography:Application Number: US19970848236