Packet data network having distributed database
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Jul 24, 1998
filing date -
Jul 24, 1998
priority date (Note) -
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Abstract
Communication networks and network nodes for carrying packet data traffic have architectures that give large freedom in network topology and simplify network extensions, accompanied by a lightweight but robust protocol. A network may be a cellular network that handles packet data traffic and voice traffic. Location information relating to terminals in a network may be determined through terminal-originated packets or control messaging. Stored location information may be cleared by elapse of time or specific messaging. Location information for different kinds of terminals may be stored in a centralized or distributed database.
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