Real-time navigation system for mobile environment

G - Physics – 01 – C

Patent

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G01C 21/00 (2006.01) G01C 21/34 (2006.01) H04W 4/02 (2009.01)

Patent

CA 2436012

A system and method using wireless carriers (204) for providing navigational information to a user connected in real-time, such as through a wireless telephone (202), PDA, or other device. The system provides navigational information to the user via wireless carriers (204) in the form most useful to the user, such as according to landmarks, or the number of blocks until the next action. The system also provides directions to points of interest along the user's route. Further, the system allows the user to suspend and resume a session. Also, the system varies the sampling rate at which the user's location is examined, to enhance efficiency and convenience.

Système et procédé permettant de fournir des renseignements de navigation à un utilisateur connecté en temps réel par l'intermédiaire, par exemple, d'un téléphone mobile, d'un assistant numérique personnel (PDA) ou d'un autre dispositif. Ce système fournit des renseignements de navigation sous la forme la plus utile à cet utilisateur, en fonction, par exemple, de repères ou du nombre de blocs à parcourir jusqu'à l'action suivante. Ce système indique également des directions menant à des emplacements définis le long du trajet de l'utilisateur. Il permet, de plus, à cet utilisateur de suspendre et de recommencer une session. Il peut également modifier la vitesse d'échantillonnage à laquelle l'emplacement désigné par l'utilisateur est examiné, dans le but d'améliorer l'efficacité et le confort du système.

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