H - Electricity – 03 – M
Patent
H - Electricity
03
M
H03M 13/00 (2006.01) H03M 13/01 (2006.01) H03M 13/09 (2006.01) H03M 13/45 (2006.01) H04L 1/22 (2006.01) H04B 1/69 (2006.01)
Patent
CA 2617298
The present invention relates to an apparatus and method for detecting a data rate in a turbo decoder for a mobile communication system. When a rate selector selects one data rate among a plurality of data rates, a turbo decoder repeatedly decodes an input data frame within a predetermined repetition limit number using the selected data rate and outputs the decoded data. A CRC detector performs CRC check on the decoded data and outputs the CRC check result, and a decoding state measurer measures decoding quality depending on the decoded data and outputs decoding state information. A controller then sets the repetition limit number to a predetermined minimum value, controls the repetition limit number according to the decoding state information, controls the rate ,elector and determines a data rate of the input data depending on the CRC check result.
Choi Soon-Jae
Ha Sang-Hyuck
Kim Beong-Jo
Kim Min-Goo
Lee Young-Hwan
Marks & Clerk
Samsung Electronics Co. Ltd.
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