| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a system capable of lowering the collision rate of communication of a plurality of communication terminals and a communication device, and to provide a communication terminal for use therein, and a communication method thereof.SOLUTION: This system includes a plurality of communication terminals, and a communication device communicating with the plurality of communication terminals. The communication device includes data transmission means for broadcasting data to the plurality of communication terminals, and each communication terminal includes data reception means for receiving the data transmitted from the communication device, and response transmission means for transmitting a responce of data reception to the communication device. The data includes response time information for specifying the time when transmitting the response to each communication terminal. Each response transmission means of each communication terminal transmits a response to the communication device, based on the response time information included in the data.</p> |
