| 摘要 |
<p>PURPOSE:To reduce the traffic in radio communication to the utmost even under an environment where the traffic of radio communication is increased by comparing the traffic measured by a traffic measurement means with a preset threshold value so as to decide whether or not the transmission is to be implemented immediately prior to transmission of communication data. CONSTITUTION:A program to be operated as a radio slave station of a conventional radio POS system and also a radio traffic calculation program or the like are set in advance in a ROM 42 of each radio slave station 4a in the radio POS system. Every time the transmission request of communication data is received from a POS terminal equipment 1a, the traffic per unit time is compared with a traffic limit preset in a limit memory and whether or not the traffic limit is exceeds is decided. When it is discriminated that the traffic exceeds a limit, the communication data are tentatively stored in a communication data storage section.</p> |
