| 摘要 |
A communication technique capable of flexibly using traffic between packets requiring a real-time service and packets not requiring that service. A main transmission channel 11 is time-division-controlled, and terminals respectively assigned divided time slots 51-54 transmit packets 21-24 using as much portions of time slots as needed to free the remaining portions of time slots. Other terminals share the remaining portions of time slots according to a contention type protocol to transmit packets 31-36.
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