Method and system for anonymous operation of a mobile node
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United States of America Patent
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Jul 2, 2013
Grant Date -
N/A
app pub date -
Mar 7, 2006
filing date -
Mar 7, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A mobile node and its home system generate synchronized time-based codes at periodic time intervals. Each time-based code is valid for a predetermined time period. To facilitate anonymous operation when roaming, the mobile node identifies itself with a coded identifier instead of a public identifier. The coded identifier used at a given time includes the time-based code that is valid for that given time. To authenticate the mobile node, a serving system receives authentication information from the mobile node and forwards the authentication information to a home system. The authentication information includes the current time-based code and a timestamp. The home system identifies the mobile node from the current time-based code and the timestamp. The home system then uses the authentication information to authenticate the mobile node.
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