发明名称 MOBILE TERMINAL, SYSTEM AND METHOD
摘要 <p>One aspect of the present invention relates to a mobile terminal having an autonomous navigation function including a map application unit configured to perform map matching of a current position of the mobile terminal onto a route from a departure point to a destination point of a user of the mobile terminal in map information, a measurement unit configured to detect movement of the mobile terminal and provide sensor information indicative of the movement of the user, a position calculation unit configured to calculate a movement amount of the mobile terminal from a reference position based on the sensor information and calculate a current position of the mobile terminal based on the calculated movement amount and the reference position, and a reroute detection unit configured to compare a first distance between the calculated current position of the mobile terminal and the reference position with a second distance between the map-matched current position of the mobile terminal and the reference position, wherein if the first distance is sufficiently greater than the second distance, the reroute detection unit requests the map application unit to search for a route again.</p>
申请公布号 EP2647958(A1) 申请公布日期 2013.10.09
申请号 EP20110844566 申请日期 2011.11.28
申请人 NTT DOCOMO, INC. 发明人 TAKAHASHI, MAKOTO
分类号 G01C21/16;G01C21/20;G01C21/30;G01C21/34;G01S19/40;G01S19/48;G08G1/005;G08G1/0968 主分类号 G01C21/16
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