发明名称 |
Method and system enabling roaming between different wireless networks |
摘要 |
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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申请公布号 |
US2004192295(A1) |
申请公布日期 |
2004.09.30 |
申请号 |
US20030374111 |
申请日期 |
2003.02.27 |
申请人 |
TSAO SHIAO-LI;LIN CHIA-CHING |
发明人 |
TSAO SHIAO-LI;LIN CHIA-CHING |
分类号 |
H04L29/06;H04W36/14;H04W80/04;H04W84/04;H04W84/12;H04W88/06;(IPC1-7):H04Q7/20 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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