Time-triggered Ethernet-based data transmission method and node device
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United States of America Patent
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Mar 14, 2017
Grant Date -
Oct 15, 2015
app pub date -
Nov 30, 2012
filing date -
Nov 23, 2012
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Abstract
A time-triggered Ethernet (TTE)-based data transmission method and node device, solving the problem of wasting network bandwidth resources in the prior art during TTE-based data transmission; in the method, a main node determines a scheduling period table based on a time-triggered packet; when a node has a to-be-transmitted event-triggered packet, and the node determines, according to the information stored in the scheduling period table, that a physical link occupied by the event-triggered packet is not in conflict with a physical link corresponding to the current time slot, the node transmits the event-triggered packet in the current time slot. The main node does not need to separately allocate time for the event-triggered packet of each node. Therefore, when a node has a to-be-transmitted event-triggered packet, the node can transmit the event-triggered packet in the current time slot as long as the physical link occupied by the event-triggered packet is not in conflict with the physical link corresponding to the current time slot, thus effectively improving data transmission efficiency and network bandwidth utilization.
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