| 摘要 |
Disclosed is a method for interchanging contents information and a system for interchanging contents information. A loop that a receiving side CL 1 sends a request signal CL 1 a carrying position data pd to a sending side SV 1 through a communication system NT, the sending side SV 1 sends back contents information corresponding thereto as a sending signal SV 1 a, and the receiving side CL 1 displays the signal is repetitively updated and performed at a high frequency by repetitively updating and sending the position data pd at a high frequency. Since the achievable frequency of repetitive updating and performing the loop varies by the combination of receiving side CL 1 , communication system NT, and sending side SV 1 , the achievable maximum frequency mxfQ for each loop is determined from a given table or by actual measurement. A standard frequency stfQ which does not exceed the thus determined frequency is set, the processes along the loop are performed at the standard frequency stfQ or a lower frequency. As a result, power consumption is reduced and communication load is mitigated.
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