| 摘要 |
The present invention is to provide a novel method for quickly identifying whether or not a retransmission request frame is lost, without waiting for whether a waiting time for tie retransmission request frame has elapsed a retransmission time. The present invention employs a reverse acknowledgement (RA) scheme in order to resolve the problems of a prior art. Herein the reverse acknowledgement represents the notice that a retransmission frame has been already transmitted from a transmission node to a receiving node.
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