EP2027738A1 - Method for multiple registration of a multimodal communication terminal - Google Patents
Method for multiple registration of a multimodal communication terminalInfo
- Publication number
- EP2027738A1 EP2027738A1 EP07729601A EP07729601A EP2027738A1 EP 2027738 A1 EP2027738 A1 EP 2027738A1 EP 07729601 A EP07729601 A EP 07729601A EP 07729601 A EP07729601 A EP 07729601A EP 2027738 A1 EP2027738 A1 EP 2027738A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- access network
- cscf
- ims
- communication terminal
- mke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- H04W60/005—Multiple registrations, e.g. multihoming
-
- 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
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
-
- 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
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/08—Upper layer protocols
- H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the invention relates to a method for multiple registration of multi-modal communication terminal over to ⁇ least an access network in an IMS based service communication system of a mobile and / or convergent communication system, the multi-modal communication terminal to ⁇ for at least one communication service via a first transit network is registered in at least one service control unit of the IMS ba ⁇ s clergy service communication system.
- GSM Global System for Mobile Communications
- UMTS Mobile radio systems based on transmission technology are provided to extend the existing GPRS architecture and to provide additional multimedia communication services, special communication systems or service communication systems such as the "Internet Protocol Multimedia Sub ⁇ System” (IMS) communication system.
- IMS Internet Protocol Multimedia Sub ⁇ System
- Mobile communication devices are also becoming increasingly multi-modal, ie they support a wide variety of mobile transmission technologies or access technologies.
- a "Wireless Local Area Network” can be provided as a supplementary access network in addition to a UMTS or GSM-based mobile radio system.
- WLAN Wireless Local Area Network
- IP Internet Protocol
- Usually, such IP-based communication systems are adapted to the respective mobile transmission technology.
- the technology on the GSM and UMTS transmission Holly ⁇ based mobile radio systems have a common on the GPRS transmission technology based access network where ⁇ is, however, required for a wireless communication network is a separate stand-alone access network. If a mobile communication terminal now changes the mobile transmission technology or access technology used for transmitting the data, for example from WLAN to GSM / UMTS, this change also requires a change of the associated IP-based communication system.
- Such an access network provides communication or multimedia services to service users connected to the IMS based communication system.
- IMS based communication system are exemplary of communication or multimedia services voice services, data services, audio services, video services, information services and in ⁇ called program communications services.
- SIP Session Initiation Protocol
- URI Uniform Resource Identifyer
- the 3GPP specified IMS based communication system or service communication system can be used independently of the access network, ie in addition to the GPRS technology of second and third generation mobile radio systems for WLAN, WiMAX ( "Worldwide Interoperability for Microwave Ac ⁇ cess") and DSL ( "Digital Subscriber Line”).
- Required for the transition to ⁇ to an access network IP address is übli ⁇ chowed assigned by the access network to the multi-modal communication terminal and is therefore associated with this access network.
- the term "access network” is broad and includes a gateway network node with, for example, in the case of a WLAN access network in the standard 3GPP TS 23.234 defi ⁇ ned "Packet Data Gateway” (PDGW) network node.
- PDGW Packet Data Gateway
- the IMS-based communication system within the provided pre ⁇ SIP signaling protocol (IETF RFC 3261) a registration of each mobile communication terminal at the IMS-based communication system (3GPP TS 23.228 / 24,229) requires.
- SIP signaling protocol IETF RFC 3261
- dedicated server units are provided which provide call and control control functions (CSCF).
- Such an IMS-based communication system comprises, for example, a "Serving Call Session Control Function” (S-CSCF) unit, an “Interrogation Call Session Control Function” (I-CSCF) unit and a “Proxy Call Session Control Function” (P).
- S-CSCF Serving Call Session Control Function
- I-CSCF Interrogation Call Session Control Function
- P Proxy Call Session Control Function
- the user of a multi-modal mobile communication terminal changes the access network, the multi-modal mobile communication terminals at least a short-term ⁇ based on number of access networks in an IMS commu ⁇ is required to have nikationssystem register. To ensure a user-friendly changes, should at least for a predetermined transition period at least two access networks ⁇ be available simultaneously.
- IMS "SIM card” are assigned several different "private user identifies" that significantly reduce the ease of use of mobi ⁇ len communication terminal.
- the object of the invention is to provide a technically simple and user-friendly method for multiple Re ⁇ tration of at least one multi-modal Kirunikationsgerä- tes in an IMS based service communication system indicated.
- the object is based on the preamble of claim 1 by its characterizing features ge ⁇ triggers.
- the essential aspect of the inventive method lies in the fact that he is at least a second access network, a registration message with an access network identifier testifies ⁇ for registration of the multimodal communication terminal and based on the at least one service control unit of the IMS services communication system is transmitted.
- the access network identifier is evaluated in at least ei ⁇ nen service control unit and a further registration of the multimodal communication terminal in the IMS-based Felekommuni- performed cation system depends on Auswer ⁇ processing result.
- a simp ⁇ che modification of the SIP signaling protocol implemented in accordance with registration message multiple Regist ⁇ turing of a multi-modal communication terminal for un ⁇ teretzliche access technologies without prejudice to the user experience.
- Fig. 1 by way of example in a schematic block diagram of the method according to the embodiment of the Invention ⁇ relevant components of a communication system
- Fig. 2 by way of example a schematic illustration of individual steps of the signaling OF INVENTION ⁇ to the invention the method and
- FIGS. 3-5 show, by way of example, further alternative embodiments of the registration method according to the invention.
- Fig. 1 are shown by way of example in a schematic block diagram individual for the provision of communication services, in particular multimedia communication services required network components of a communication system KS.
- the formed for example, as a mobile or convergent tes communication network communication system KS to a service communication system IMS, which device via a first access network WLAN and a second access network GPRS with a preferably multi-modal communication terminal ⁇ MKE is connectable.
- the first and second access networks WLAN, GPRS are connected to the service communication system IMS via signaling connections.
- the number and design of the access networks WLAN, GPRS is by no means limited to the first and second access network WLAN, GPRS.
- the example in the reception area of the first and second access network WLAN supports in the presentskysbei ⁇ game at least two different access technologies, namely the "Wireless Local Area Network” (WLAN) technology and the "General Package Radio Service “(GPRS) technology.
- the first access network is WLAN as "Wireless Local Area Network” (WLAN)
- the second access network GPRS as a "General Package Radio Service” access network GPRS ⁇ forms, each of which has a Wi-Fi connection control unit assigned to this WLAN-SU or GPRS connection control unit GPRS-SU.
- Controlled via the WLAN connection control unit WLAN-SU or GPRS connection control unit GPRS-SU is in each case a WLAN radio interface WLAN-S or GPRS radio interface GPRS-S for connection of the at least one multi-modus communication terminal MKE to the communication system KS or its service communication system IMS provided.
- a WLAN radio interface WLAN-S or GPRS radio interface GPRS-S for connection of the at least one multi-modus communication terminal MKE to the communication system KS or its service communication system IMS provided.
- Wi-Fi connection control unit WLAN SU and GPRS connection control unit GPRS-SU allocated in a first or second IP address IPL, IP2 for addressing the multimodal communication terminal MKE within the per ⁇ ava first and second access network WLAN, GPRS.
- the service communication system IMS is preferably embodied as an "IP Multimedia Core Network Subsystem” (IMS), which is referred to below as an IMS-based service communication system
- IMS IP Multimedia Core Network Subsystem
- the IMS based service communication system IMS has a control unit CSCF with at least three service control units S-CSCF, I-CSCF, P-CSCF and a storage unit SU connected to them.
- SIP Session Initiation Protocol
- SIP Session Initiation Protocol
- MSISDN mobile phone number of the multi-modal communication terminal MKE to IMS IMS be the first or second signaling connection SlpL, for example based services communications ⁇ system transmitted.
- the signaling tasks within the IMS-based service communication system IMS are performed by the control unit CSCF, which for this purpose has, for example, a "Serving Call Session Control Function” (S-CSCF) unit S-CSCF, an "Interrogation Call Session Control Function” (1-CSCF). - a unit as I-CSCF, as well as a "proxy Call session Control ⁇ functi on” (P-CSCF) unit P-CSCF, which are connected to each other.
- S-CSCF Serving Call Session Control Function
- 1-CSCF Interrogation Call Session Control Function
- the S-CSCF unit S-CSCF is known as "SIP registrar" in the IMS ba ⁇ terraced service communication system IMS for the registration of mobile communication terminals, in particular the multimodal mobile communication terminal MKE charge.
- SIP registrar for registration of the multimodal communication terminal MKE for a selected communication service is r michsnachricht REGISTER generated and s michsprotokoll via the SIP signaling or the first or second signaling connection SlpL, SIP2 to the S-CSCF unit S-CSCF transferred gene ⁇ a Regist.
- FIGS. 2 and 3 the terminal-tion for the realization of the multiple-registration process according to the invention for multi-modal communica ⁇ MKE are exemplary in a schematic block diagram within the IMS based Divekommu ⁇ nikationssystem IMS units represented required.
- the P-CSCF unit P-CSCF and the S-CSCF unit S-CSCF functioning as a SIP registrar are provided, which are preferably connected via the SIP signaling protocol.
- the P-CSCF unit P-CSCF is hereby exemplary for a given bigen, the SIP signaling protocol supporting network nodes ⁇ listed.
- the multi- ti-modal communication terminal MKE based on the first access ⁇ network WLAN to IMS services communications ⁇ system IMS is registered for a communications service and this already through the first access network WLAN, a te ers ⁇ IP address IPl was assigned.
- the first IP address IP1 is preferably stored in the multi-modal communication terminal MKE and in the S-CSCF unit S-CSCF.
- message REGISTER an access network identifier ZK provided in the registration ⁇ and the registration message REGISTER with the access network identifier ZK to the at least one control unit CSCF or the charge of the SIP registration S-CSCF unit S-CSCF of the IMS based service communication system IMS transfer.
- the access network identifier ZK is read out from the registration message REGISTER and evaluated, ie the presence or non-existence
- an access network identifier ZK is carried out further registration of the multimodal communication terminal MKE by the S-CSCF unit S-CSCF in IMS based Divekommu ⁇ nikationssystem IMS or existing Registration of the multi-modal communication terminal MKE replaced by a new registration.
- Is, for example - as indicated in Figure 2 - is already an existing Regist ⁇ turing for the first access network WLAN before and has the initial evaluation of the access network identifier ZK a registration request for the second access network GPRS shown that a further registration is possible, which is multi- Modal communication terminal MKE also registered for the second access network GPRS and the second IP address assigned by this IP2 stored in addition to the first IP address IPl.
- the evaluation shows that a multiple registration of the multi-modal communication terminal is not possible, then the first IP address IP1 is replaced by the second IP address IP2 and the already existing registration is deleted.
- the first and / or second IP address IP1, IP2 already assigned to the multi-modal communication terminal MKE is / are transmitted in a preferred embodiment as an access network identifier ZK or in addition to the access network identifier ZK in the registration message REGISTER.
- an access network identifier ZK is generated in the multi-modal communication terminal MKE and inserted into the registration message REGISTER and in this of the multi ⁇ modal communication terminal MKE via the P-CSCF unit P-CSCF to the S -CSCF unit S-CSCF transferred.
- the access network identifier ZK indicates that the currently existing registration for the first access network WLAN continues to exist.
- a second IP address IP2 is stored by the S-CSCF unit S-CSCF as part of the white ⁇ direct registration of multi-modal communication terminal MKE for the second access network GPRS and the existing registration within the IMS based service communication system IMS still maintained.
- the multi-modal communication terminal MKE can now use the assigned communication service via the first or second IP address IP1, IP2 after registration, depending on the access network WLAN, GPRS, in which it is currently located.
- the access network identifier ZK can for example be inserted in the header of the registration message REGISTER or added as an additional parameter to the register message REGISTER.
- the network elements of the communication system KS are implanted ⁇ Given that both the terminal side and the network side evaluation the necessary settings for creating, training and equipment can be hit by further registrations.
- GPRS is due to the different access technology of the access network, the access network identifier ZK, designed as a technology ⁇ oriented access network identifier ZK * ZK **, that is, the technology-oriented access network identifier ZK *, ZK ** gives in each case the underlying for the new registration Zu ⁇ gang technology.
- the technology-oriented access network identifier ZK *, ZK ** is either generated according to FIG. 3 in the multi-modal communication terminal MKE and inserted into the register message REGISTER or according to FIG. 4 by another network node supporting the SIP signaling protocol, for example the P-CSCF unit P -CSCF, generated and inserted, which supports the respective access technology of the first and second access network WLAN, GPRS, wherein for each access technology, a specially trained network node or a P-CSCF unit P-CSCF are provided.
- the technology-oriented access network identifier ZK *, ZK ** thus indicates the access technology or the associated access network WLAN, GPRS, for which the multi-modal communication terminal device MKE in the IMS-based service communication system IMS requests a further registration.
- the S-CSCF unit S-CSCF transmitted in the register message REGISTER technology-oriented access network identifier ZK ⁇ will * read ZK ** and evaluated.
- the S-CSCF unit S-CSCF checks in particular for which access technologies or which associated access network WLAN, GPRS is already registered.
- the S-CSCF unit S-CSCF assigns a further registration of the multi-modal communication terminal MKE for the determined access technology.
- the access technology is used in the S-CSCF unit S-CSCF From the registration message REGISTER provided Informa ⁇ tions, for example, one of the transmitted IP addresses IPl, IP2 derived.
- the first and second access network WLAN, GPRS for example, a defi ned ⁇ IP address range assigned to each access technology or within the communica ⁇ nikationssystem KS.
- At least one of the two IP addresses IP1, IP2 is transmitted via the registration message REGISTER as access network identifier ZK (IP1, IP2) and read out in the S-CSCF unit S-CSCF.
- the S-CSCF unit evaluates S-CSCF is in the registration ⁇ message REGISTER transmitted first and / or second IP address IPL and determines on the basis of which gear technology that supply, wishes for a registration date ge ⁇ or for which already a registration before ⁇ lies.
- S-CSCF S-CSCF made from ⁇ pendent of the evaluation result by a further registration or the existing registration replaced by the new registration.
- further elements of the registration message REGISTER ⁇ can, for example, the entire header, or individual header elements for determining the access technology through the S-CSCF unit S-CSCF to be evaluated.
- WLAN first access network
- WLAN-SU WLAN connection control unit ZK access network identification
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006026929A DE102006026929B4 (en) | 2006-06-09 | 2006-06-09 | Method for multiple registration of a multimodal communication terminal |
PCT/EP2007/055179 WO2007141159A1 (en) | 2006-06-09 | 2007-05-29 | Method for multiple registration of a multimodal communication terminal |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2027738A1 true EP2027738A1 (en) | 2009-02-25 |
Family
ID=38461862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07729601A Withdrawn EP2027738A1 (en) | 2006-06-09 | 2007-05-29 | Method for multiple registration of a multimodal communication terminal |
Country Status (6)
Country | Link |
---|---|
US (1) | US8457046B2 (en) |
EP (1) | EP2027738A1 (en) |
JP (1) | JP4922397B2 (en) |
CN (1) | CN101467471B (en) |
DE (1) | DE102006026929B4 (en) |
WO (1) | WO2007141159A1 (en) |
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- 2007-05-29 EP EP07729601A patent/EP2027738A1/en not_active Withdrawn
- 2007-05-29 US US12/303,799 patent/US8457046B2/en active Active
- 2007-05-29 WO PCT/EP2007/055179 patent/WO2007141159A1/en active Application Filing
- 2007-05-29 CN CN200780021477.6A patent/CN101467471B/en active Active
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Also Published As
Publication number | Publication date |
---|---|
WO2007141159A1 (en) | 2007-12-13 |
US8457046B2 (en) | 2013-06-04 |
CN101467471B (en) | 2016-09-28 |
DE102006026929A1 (en) | 2007-12-13 |
JP2009540641A (en) | 2009-11-19 |
CN101467471A (en) | 2009-06-24 |
US20100232368A1 (en) | 2010-09-16 |
DE102006026929B4 (en) | 2008-03-06 |
JP4922397B2 (en) | 2012-04-25 |
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