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Apparatus and methods for providing route guidance for vehicles

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TLDR
In this article, a traffic monitoring system for monitoring traffic including a population of users bearing a multiplicity of mobile communication devices, and a traffic monitor operative to compute at least one traffic-characterizing parameter on the basis of the location information is presented.
Abstract
A traffic monitoring system (Fig.1) for monitoring traffic including a population of users bearing a multiplicity of mobile communication devices, and methods useful for monitoring traffic, the system including a mobile communication network interface receiving, from at least one communication network serving the multiplicity of mobile communication devices, and storing, location information characterizing at least some of the multiplicity of mobile communication devices, and a traffic monitor operative to compute at least one traffic-characterizing parameter on the basis of the location information.

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Traffic monitoring system and methods for traffic monitoring and route guidance useful therewith

TL;DR: In this paper, a traffic monitoring system for monitoring traffic including a population of users bearing a multiplicity of mobile communication devices, and a traffic monitor operative to compute at least one traffic-characterizing parameter on the basis of the location information is presented.
References
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Patent

System and method for updating, enhancing, or refining a geographic database using feedback

TL;DR: In this article, the authors present a system for updating, enhancing and/or refining a geographic database, which includes data representing physical features in the geographic region, and attributes of such features.
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Automobile navigation system using real time spoken driving instructions

TL;DR: In this paper, an automobile navigation system which provides spoken instructions to the driver of an automobile to guide the driver along a route is disclosed, which is a computing apparatus comprising a map database, route finding algorithms, a vehicle location system, discourse generating programs, and speech generating programs.
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Automobile navigation system with dynamic traffic data

TL;DR: In this article, a system located in an automobile provides personalized traffic information and route planning capabilities using equipment which is becoming standard in automobiles, such as on-board navigation systems and cellular telephones.
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Communications localization system

TL;DR: In this article, a method and apparatus for locating a mobile radio communications transceiver in a cellular-telephone or cell-like communications system uses a simplified system for passive monitoring of the signals emitted by the transceiver.
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Method and apparatus for providing shortest elapsed time route and tracking information to users

TL;DR: In this paper, a method and apparatus for determining and communicating shortest elapsed time route information to users is presented, wherein information of desired origin and destination combinations is received from the users in a central processor or computer, instant rates of travel on multiple route segments interconnecting various possible origins and destinations being monitored and transferred to the central processor which then calculates the route segment or segment combination providing shortest elapsed-time routes for each origin-destination combination and transmitting that information to the respective user.