Mechanisms to extend UMA or GAN to inter-work with UMTS core network
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United States of America Patent
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Oct 25, 2011
Grant Date -
Feb 24, 2011
app pub date -
Oct 29, 2010
filing date -
Aug 10, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A network controller operates in an unlicensed wireless communication system including a first radio access network. The network controller includes a Up interface for communicating with a mobile station and an IP network interface. The network controller includes a network interface for connecting the network controller to a UMTS core network that is accessible to a second radio access network that includes a UTRAN. The network interface includes an Iu-CS interface to communicate with a MSC in the UMTS core network. The network interface supports signaling protocols for circuit-switched services while inter-working with the UMTS core network via the Iu-CS interface using a layered protocol that includes a RANAP layer over a SCCP layer and several Iu-CS control plane lower layers. The network controller includes modules for generating and/or processing messages transmitted over the network interface. The network controller appears to the UMTS core network as a UTRAN RNC.
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