Integration of network control functions in a wireless network
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United States of America Patent
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Issued Date -
Apr 10, 2003
app pub date -
Jun 17, 2002
filing date -
Jun 18, 2001
priority date (Note) -
Abandoned
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Abstract
An integrated network control (INC) arrangement (300), for use in a UMTS wireless network, comprising an RNC element (250B) for management and control of base stations (250A); an SGSN element (270A) for session control and mobility management; and a GGSN element (270B) for external IP communication, the RNC, SGSN and GGSN elements being integrated together, and the GGSN means comprising only a Layer-2 Tunnelling Protocol Access Concentrator (LAC) element. This allows the arrangement to be optimised for Internet access and provides a number of advantages, resulting the ability for cost-effective network deployment to be achieved with multiple INC's, where each INC SGSN is responsible for only one INC RNC and each INC RNC controls a relatively small number of Node B's. This permits networks to be deployed incrementally without having to initially deploy infrastructure scaled to meet the requirements of a maximum sized network.
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