The patent's inventor is Mahdi, Kaniz (
This patent was filed on
From the background information supplied by the inventors, news correspondents obtained the following quote: "Many types of communications can be performed over data networks (wireless and/or wireline networks), including electronic mail, web browsing, file downloads, electronic commerce transactions, voice or other forms of real time, interactive communications, and others. To enable the establishment of communications sessions in a network, various control functions are deployed in the network. Some standards bodies have defined subsystems within communications networks that include such control functions. One such standards body is the
"An IP multimedia subsystem can be used in conjunction with wireless access networks, such as a wireless access network according to the GSM (Global System for Mobile) or UMTS (Universal Mobile Telecommunications System) standard, as defined by 3GPP, a wireless access network according to the CDMA 2000 (Code Division Multiple Access 2000) standard, as defined by 3GPP2; or other type of wireless access networks.
"As a mobile station moves about one or more communications networks, handovers have to be performed as the mobile station moves between different coverage areas served by different base stations or even different access networks. Potentially, the mobile station can move between different types of packet-switched access networks, or between a packet-switched access network and a circuit-switched access network.
"In the context of a multimedia communications session (in which both voice data and non-real time data can be communicated, for example), the mobile station can be transferred to a session in which different parts of the multimedia communications are provided over different types of access networks. For example, the transfer may result in voice data being communicated over a circuit-switched access network, while the non-real time data is communicated over a packet-switched access network. Conventional techniques of performing transfers of mobile stations in the above context may not be efficient under certain scenarios."
Supplementing the background information on this patent, VerticalNews reporters also obtained the inventor's summary information for this patent: "A request is originated by a mobile station, wherein the request contains information relating to both packet-switched communication and circuit-switched communication of data in a session. The request is originated by the mobile station in response to detecting that a transfer is to be performed from a source packet-switched access network to a target network in which different parts of the session is to be communicated in the packet-switched domain and circuit-switched domain. The transfer is completed using the information in the first request.
"Other or alternative features will become apparent from the following description, from the drawings, and from the claims."
For the URL and additional information on this patent, see: Mahdi, Kaniz. Session Transfer between Different Access Network Types. U.S. Patent Number 8634381, filed
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