Providing location data about a mobile entity
March 23, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLocation-sensitive remote database access control Telephone control system with branch routing Mobile communication switching across cell boundaries Apparatus and method for monitoring and bounding the path of a ground vehicle Proximity based toll free communication services Mobile object positioning system Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system Method and apparatus for locating a mobile station by comparing calculated location area with GPS coordinates Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system Automated location verification and authorization system for electronic devices InventorsAssigneeApplicationNo. 09816683 filed on 03/23/2001US Classes:380/247CELLULAR TELEPHONE CRYPTOGRAPHIC AUTHENTICATIONExaminersPrimary: Vu, KimYenAssistant: Dada, Beemnet W Foreign Patent References
International ClassH04K 1/00AbstractLocation data about a mobile entity (20) is provided in encrypted form by a location server (79) to a recipient that is one of the mobile entity (20) or a service system (40) usable by the mobile entity. The location data (P) is encrypted such that it can only to be decrypted using a secret available to a decryption entity (80) that is not under the control of the recipient. This permits location data (P) to be provided in a confidential manner to service systems (40) and also protects billing relationships between participants. A mechanism is also described for limiting the accuracy of decrypted location data (L) made available to a service system (40).Other References
Field of SearchCELLULAR TELEPHONE CRYPTOGRAPHIC AUTHENTICATIONPosition dependent or authenticating KEY MANAGEMENT Key distribution Key distribution center Wireless communication Visiting center Usage pattern detection Authentication of an entity and a message Particular communication authentication technique Security or fraud prevention User location independent information retrieval At system equipment (i.e., base station) Position based personal service Location monitoring Quiet or transmission prevention mode Based on request signal Employing position determining equipment | |
