| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing terminal, an information processing system, a data reception program, and a data reception method which can receive the latest data while avoiding data communication by roaming service as much as possible.SOLUTION: An information processing terminal having a navigation function comprises: communication means which enables wireless data communication; determination means which determines whether roaming service communication occurs on the basis of a route R to a destination set by the navigation function; and control means. When it is determined that the roaming service communication occurs, the control means estimates the reception time Tb for the roaming service to receive necessary succeeding data, determines a reception start position P on the basis of the estimated result, and receives the succeeding data in advance. |
