| 摘要 |
A method for communicating between a transmitting unit and a receiving unit. A messages formed by elementary messages is transmitted from the transmitting unit to the receiving unit, and at least one reception bit is transmitted from the receiving unit to the transmitting unit. The reception bit (or bits) allows the transmitting unit to determine the elementary message that is to be transmitted next. In a preferred method, at least two reception bits are transmitted from the receiving unit and the values of the reception bits indicate the elementary message that is to be transmitted next by the transmitting unit. The present invention also provides a receiving device for receiving messages from a transmitting device. The receiving device includes an interface for receiving a transmitted message from the transmitting device, means for analyzing a received elementary message to determine if it was properly received, and a transmitter for transmitting at least one reception bit to the transmitting device. The reception bit (or bits) indicates the elementary message that is to be transmitted next by the transmitting unit. In one preferred embodiment, the transmitter transmits at least two reception bits whose values indicate the elementary message that is to be transmitted next by the transmitting unit.
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