Method and system enabling roaming between different wireless networks
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United States of America Patent
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Dec 19, 2006
Issued Date -
N/A
app pub date -
Feb 27, 2003
filing date -
Jun 19, 2002
priority date (Note) -
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Abstract
A method and system enabling roaming between different wireless networks. A mobile device supporting low and high-tier wireless network standards is adapted to roam between a low-tier wireless network and a high-tier wireless network with lower bandwidth but more mobility than the low-tier wireless network. Via a virtual GPRS support node, a plurality of data packets and control signals are delivered between low and high-tier wireless networks.
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