Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L61/00—Network arrangements, protocols or services for addressing or naming
  • H04L61/45—Network directories; Name-to-address mapping
  • H04L61/4588—Network directories; Name-to-address mapping containing mobile subscriber information, e.g. home subscriber server [HSS]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
  • H04L65/10—Architectures or entities
  • H04L65/1016—IP multimedia subsystem [IMS]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
  • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Definitions

• the present invention relates to user registration in a communication system.
• Such systems may comprise, for example,
• An example of a wireless system is a public land mobile
• a PLMN is typically a cellular network wherein a base transceiver
• BTS base station
• UE user equipment
• control entity which themselves
• One or more gateway nodes provide for connecting the PLMN
• Examples of other such networks are another cellular network, a
• PSTN public switched telephone network
• packet switched data networks such as IP
• IP Internet Protocol
• CSCFs servers that provide call state control functions
• HSS home subscriber server
• the HSS is typically for permanently storing the
• IMS IP Multimedia Subsystem
• the IMS network may sit at the hub of the 3G architecture, supporting an IP
• the 3 GPP has chosen Session Initiation Protocol (SIP) as a core session signalling
• SIP is a request/response style protocol, in the sense that for every message
• the interrogating serving call state control function (I-CSCF) is
• MAR multimedia authentication request
• the home subscriber server can deregister
• the user data comprising a plurality
• the method comprising the steps of: storing in a user
• controller the plurality of identities being associated with respective registration
• Unassigned identities of unregistered status need not be reassigned.
• Another aspect provides a communications system comprising: a first serving
• controller a user information store which holds for a user a plurality of identities in
• the plurality of identities being associated with respective registration statuses selected from a registered status and an
• a second serving controller configured to transfer to the user
• user information store is operable to detect the user authentication request and
• serving controller the or each identity of that user, which were newly associated to the
• the first serving controller is operable, responsive to the registration termination
• Another aspect provides a serving controller for use in a system for providing
• the first serving controller having an interface adapted to communicate between users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted to communicate with users, the first serving controller having an interface adapted
• multiple user equipment (equivalent to a private ID) may be used.
• the help desk may share one or more public identities or identity sets.
• the help desk may share one or more public identities or identity sets.
• the help desk may share one or more public identities or identity sets.
• each user equipment may also have non-shared individual public identities.
• serving controller is the same for all the user equipments sharing the same
• the serving controller is changed for all of those user equipments and their
• the registration termination request (RTR) initiates
• the serving controller can start the deregistration procedure for all of those user
• the user information store is constituted by the home
• the database may be provided. Also, the first and second serving controllers are provided. Also, the first and second serving controllers are provided.
• the registration termination request can be an RTR command according to the
• FIG. 1 is a schematic diagram showing the environment in which an
• Figure 2 is a schematic diagram illustrating the storage of user identities
• Figure 3 is a schematic diagram illustrating the message flow.
• an IP Multimedia Network (IMS) 45 is provided for offering IP multimedia services for IP Multimedia
• IP Multimedia (IM) functionalities can be provided by IM.
• a mobile communication system is
• UE mobile user equipment
• the mobile communication system may logically be divided
• RAN radio access network
• CN core network
• a base station 31 is arranged to transmit signals to and receive
• the mobile user equipment is able to transmit signals to and receive signals from the
• the user equipment 30 may access the IMS network
• a typical communication network system usually includes a
• the 3G radio access network (RAN) is typically controlled by appropriate
• RNC radio network controller
• a controller may be assigned for each base station or a controller can control a
• the mobile user equipment 30 may comprise any appropriate mobile user
• IP Internet Protocol
• the mobile user may access the cellular network by means of a Personal
• PC computer
• PDA Personal Data Assistant
• MS mobile station
• a mobile station may include an antenna for wirelessly receiving
• a mobile station may also be provided with a display for displaying images
• Speaker means may be provided for capturing still or video images. Speaker means are also
• a mobile station typically provided.
• the operation of a mobile station may be controlled by means of an
• a mobile station is provided with a processor entity and a memory
• a number of mobile stations may be in simultaneous communication with
• the core network (CN) entities typically include various switching and other components
• control entities and gateways for enabling the communication via a number of radio
• the radio access network controller is configured to control the radio access network controller.
• core network entity typically connected to an appropriate core network entity or entities such as, but not limited
• access network controller is in communication with the serving GPRS support node
• an appropriate interface for example on an Iu interface.
• SGSN typically has access to designated subscriber database configured for storing
• the serving GPRS support node typically communicates with a
• gateway GPRS support node (GGSN) 34 via the GPRS backbone network 32.
• the interface is commonly a switched packet data interface.
• FIG 1 shows an application server (AS) 50.
• the user equipment 30 may be any type of user equipment.
• IP Internet Protocol
• controller entities such as servers.
• controller entities such as servers
• provision control These include functions such as the call session control functions
• CSCFs call session functions
• the call session functions may be divided into various categories such as a
• P-CSCF proxy call session control function
• I-CSCF serving call session control function
• S-CSCF serving call session control function
• CSCFs may be referenced to as the
• IMS system may need first to register with a serving controller, such as the serving call
• S-CSCF 1 session control function
• between the S-CSCF 42 and the user equipment 30 may be routed via at least one
• P-CSCF proxy call session control function
• the proxy CSCF 35 is thus for proxying messages from
• the registration is required to enable the user equipment to request a service
• a user information storage entity may also be provided for storing subscriber
• the storage entity is shown
• HSS home subscriber server
• HSS server
• the HSS serves purposes (e.g. identities and registration status of the subscriber) and so on.
• the HSS serves purposes (e.g. identities and registration status of the subscriber) and so on.
• the home subscriber server holds information associating public identities
• Each UE is identified with unique private identity, which has the form of
• Network Access Identifier for example UEl@example.org.
• Figure 2 shows by way of example the contents of the home subscriber server
• Each user equipment UE may be associated with multiple public identities which are labeled
• the public identity is user's public address, which is used for
• the public user identity can, for example, be
• public identities may be shared by multiple UEs. Each individual public identity or a
• Each public identity can have different services executed in the network.
• Each public identity can have a
• the IMS processes this
• This registration information may include the
• Then status of the user such as the location, terminal capability and user availability.
• subscriber server 37 receives the MAR command and, noticing that the command
• home subscriber server 37 inserts into the RTR command the deregistration reason
• the home subscriber server inserts also the private identity of the UEl into the RTR.
• the NOTIFY message contains an indication for the user equipment UEl to
• the S-CSCF detects the
• the NOTIFY message contains an indication for the user equipment

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Multimedia (AREA)
• Mobile Radio Communication Systems (AREA)

Applications Claiming Priority (3)

Publications (1)

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ID=34740754

Family Applications (1)

Country Status (2)

Families Citing this family (8)

Family Cites Families (2)

• 2004
  • 2004-12-07 EP EP04820856A patent/EP1698202A1/de not_active Withdrawn
  • 2004-12-07 WO PCT/IB2004/004053 patent/WO2005064978A1/en not_active Application Discontinuation

Non-Patent Citations (1)

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