A system and method to anonymously test for proximity of mobile users without revealing individual phase space coordinates

Described is a way for computing proximity (location-based proximity or preference-based proximity) between mobile wireless subscribers (who use different services) without either divulging their location/preference to the other (preservation of privacy). Privacy is kept by providing location/prefer...

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Bibliographic Details
Main Authors FORD, DANIEL ALEXANDER, MYLLYMAKI, JUSSI PETRI, KAUFMAN, JAMES HARVEY
Format Patent
LanguageEnglish
Published 01.09.2005
Edition7
Subjects
ALARM SYSTEMS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TELEPHONIC COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Described is a way for computing proximity (location-based proximity or preference-based proximity) between mobile wireless subscribers (who use different services) without either divulging their location/preference to the other (preservation of privacy). Privacy is kept by providing location/preference information in steps, along with an evaluation function. The services receive partial results and then locally compute the final result, or proximity. The term proximity includes not just physical proximity but also multi-dimensional data such as preference profiles and vectors (e.g., an affinity for baseball, apple pie, and ballroom dancing).
Bibliography:Application Number: TW200392133877