| 摘要 |
A transmission speed control method of a facsimile finally determines a communication speed by searching a training regulation signal and a transmission speed regulation signal. The method does not unconditionally reduce a speed by one step in consideration of an error generation probability(BER) in each transmission speed, sets-up a transmission speed to a transmission speed having a low error generation probability, repeats a training and TCF checking step, and determines a final communication speed. If a transmission speed should be reduced according to a transmission line state, the transmission speed control method performs a transmission of a proper speed in consideration of a modulation method and a modem characteristic, thereby reducing a transmission sequence and reducing a communication time.
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