Importance

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Abstract

A mobile device ?1! receives a required piece of regional information. A regional information center ?4! provides regional information. The mobile device ?1!, a base station ?2!, an exchange ?3!, and the regional information center ?4! form a regional information system ?that is capable of! providing regional information without traffic congestion. The center ?4! has a headline table ?5 for! storing the headlines of regional information, a reservation table ?6 for! reserving time for providing requested information, and a database ?7 for! storing regional information. The center ?4! sends the headlines of regional information to the base station ?2!, which adds the headlines to general information and transmits the general information with the added headlines. The mobile device ?1! receives the general information, extracts the headlines out of the general information, displays the headlines, and transmits an information request according to a specified piece of regional information. Upon receiving the request, the center ?4! reserves time for providing the requested information and informs the mobile device ?1! of the reserved time. When the reserved time occurs, the mobile device ?1! calls the center ?4!, which provides the mobile device ?1! with the requested information.

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First Claim