| 摘要 |
To achieve high throughput by using random reservation scheme, when traffic is heavy in multiple access communication system. Further, to suppress signal delay by using both random reservation scheme and random access scheme, when the traffic is low. Scheduling means holds a flag which indicates that there is no allocation of transmission bandwidth for a long packet reservation information stored in long packet reservation queue. The flag is checked, after the allocation of data transmission bandwidth is started. When the flags are set, bandwidths are allocated firstly for long packets, and secondly for short packets. On the other hand, when the flag is not set, bandwidths are allocated firstly for short packets, and secondly for long packets.
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