Registration for mobile nodes in wireless internet protocols
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United States of America Patent
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May 20, 2003
Grant Date -
N/A
app pub date -
Jun 2, 1999
filing date -
Jun 2, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A re-registration authorization is attached to a registration request or data packet sent from a mobile node roaming on a foreign network. The mobile node requests registration with its home network in order to maintain communication with the Internet and maintain identification of the mobile node by its individual home address. Such registration has a limited lifetime, and the re-registration authorization attached to the registration request or other data packet authorizes an intermediate communication entity in the foreign network to re-register the mobile node, on behalf of the mobile node, with the mobile node's home network, if the communication traffic of the mobile node indicates that the mobile node is still roaming on the foreign network. The rate of error is reduced by significantly reducing the amount of transmissions sent from the mobile node, and power consumption of the typically battery-powered mobile unit is reduced, as well.
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