| 摘要 |
The invention discloses a method for detecting priority of data frames comprising the steps of extracting (S 1 ) a bit pattern from a predetermined position in a frame, comparing (S 2, S 3 ) the extracted bit pattern with a search pattern, and identifying (S 4 ) the received frame as a priority frame in case the extracted bit pattern (BP) matches with the first search pattern (SP). By this method, the priority of a data frame can easily be detected. The invention also proposes a corresponding device for detecting priority of data frames.
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