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...http://www.google.es/patents/US8045493?utm_source=gb-gplus-sharePatente US8045493 - Mechanisms to extend UMA or GAN to inter-work with UMTS core network
Mechanisms to extend UMA or GAN to inter-work with UMTS core network
