| 摘要 |
PURPOSE:To improve the communication efficiency by reserving one and same packet for plural synchronizing continuous communications and using the result. CONSTITUTION:A flag detection section 16 detects the validity/invalidity and reservation/non-reservation as to a packet received by a reception section 11 and the information is fed to a reception packet processing section 18 and a transmission control section 21. When a synchronizing continuous communication request from a terminal equipment exists, the communication request and operating packet number information are fed to the addition/subtraction section 24 of a reservation control section 15 from the control section 21. Further, the value of the operation frequency area of the received packet is set to an operation frequency register 23, the section 24 subtracts the number of operating frequency packets from the value of the operation frequency area, and when the result of subtraction is positive, the establishment of reservation is informed to the transmission control section 21.
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