WO2001089248A1 - Procede pour determiner une fonction de commande d'etat de communication et d'etat de services (cscf) dans un reseau de communication mobile public visite (vplmn) - Google Patents

Procede pour determiner une fonction de commande d'etat de communication et d'etat de services (cscf) dans un reseau de communication mobile public visite (vplmn) Download PDF

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Publication number
WO2001089248A1
WO2001089248A1 PCT/DE2001/001877 DE0101877W WO0189248A1 WO 2001089248 A1 WO2001089248 A1 WO 2001089248A1 DE 0101877 W DE0101877 W DE 0101877W WO 0189248 A1 WO0189248 A1 WO 0189248A1
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WO
WIPO (PCT)
Prior art keywords
gprs
connection
communication system
station
service
Prior art date
Application number
PCT/DE2001/001877
Other languages
German (de)
English (en)
Inventor
Uwe Foell
Ralf Jasper
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001089248A1 publication Critical patent/WO2001089248A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server
    • 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
    • H04L65/1046—Call controllers; Call servers
    • 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
    • H04L65/1069—Session establishment or de-establishment
    • 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

Definitions

  • the invention relates to a process for Bestiiwiung a Call State Control Function in a radio communication system according to the preamble of patent claim 1 and a radio communication system for carrying out the method ⁇ .
  • Novel data services such as the packet data service GPRS (General Packet Radio Service) are currently being introduced into existing mobile radio networks according to the GSM standard in accordance with the GSM recommendation.
  • the transmission in the mobile network is not connection-oriented, but in the form of packet data. This type of transmission makes better use of the existing transmission resources in the mobile radio network.
  • the architecture for the packet data service assumes that the stationary or mobile communication terminal used by the subscriber, e.g. a mobile station is served at its respective location by a service network node (SGSN: Serving GPRS Support Node). To receive or send packet data, access to a packet data network is necessary.
  • SGSN Serving GPRS Support Node
  • GGSN Gateway GPRS Support Nodes
  • IP Internet Protocol
  • a tunnel is provided in the mobile radio network between the service network node and the access network node, via which the packets are transmitted.
  • connection state and service state control function CSCF Call State Control Function
  • MSC Mobile service switching center
  • H.323 / SIP gatekeeper The connection status and service status function CSCF thus also serves in particular as a connection control entity for multimedia services in the packet-switching or IP-based core network.
  • connection status and service status function CSCF responsible for a call is determined in particular subscriber-specific, i.e. it is specified by the HPLMN subscriber's public home mobile communications network.
  • doctoring is also generally known for logging in and managing a subscriber or visitor in a foreign public mobile communication network VPLMN of the current generation without using a connection status and service status function CSCF.
  • the invention is based on the object of providing a simple method for determining the responsible connection status and service status control function CSCF when a visitor logs into a foreign public mobile communications network VPLMN of a radio communication system and a radio communication system for operating the method.
  • the administration and / or control by a connection state and service state control function of the visited third-party communication system instead of the control by the connection state and service state control function of the home communication system of the station offers the
  • the address of the connection status and service status control function of the home communication system of the station is to be replaced by the address of the connection status and service status control function of the visited third-party communication system.
  • the predefined address belonging to the radio station is advantageously simply overwritten by the corresponding address of the communication network visited.
  • FIG. 1 is a schematic Wireless Communication-with ei ⁇ ner interface to a packet data service
  • Fig.2 is a flow diagram for the connection establishment at
  • the communication system shown in FIG. 1 shows a radio communication network with devices that enable a GPRS packet data service.
  • a mobile station MS of a mobile subscriber is shown, which uses an air interface V with devices of a terrestrial UMTS radio network UTRAN (UMTS Terrestrial Radio Access Network) or its base station system BSS with fixed base stations BS and base station controls and Radio network control equipment RNC is wirelessly coupled.
  • UMTS Terrestrial Radio Access Network UMTS Terrestrial Radio Access Network
  • RNC Radio network control equipment
  • connection to a packet-oriented communication network GPRS-N is made by the UMTS radio network via the radio network control device RNC.
  • the communication network GPRS-N has one or more service network nodes SGSN and at least one access network node GGSN.
  • the access network node GGSN is connected via an interface Gi with the actual Chen or a foreign packet data network PDN, while the service network node SGSN is connected to the base station system BSS via an interface Gb.
  • I intelligent network
  • a service relay is located in the service network node SGSN, which maps the interface Gb to the base station system BSS to the interface T to the access network node GGSN and forwards the data packets in both directions. This packet relay is used to integrate the service switching function SSF in the service network node SGSN.
  • the service switching function SSF is also integrated into the signaling at the Gb interface. However, treatment as an intelligent service is not absolutely necessary.
  • the packet data service network GPRS-N now provides, for example, a tunnel T between the responsible service network node SGSN and the desired access network node GGSN to the packet data network PDN. Then packets can be exchanged between the subscriber or the mobile station MS and the packet data network GPRS-N via this tunnel T.
  • the service control function SCF recognizes from the message that the subscriber wants to transmit corresponding data and goes into a state in which it waits for the service network node SGSN to report the provision of a tunnel T to the responsible access network node GGSN.
  • connection control server CCS Call Control Server
  • the connection control server CCS is connected to the access network node GGSN in the currently planned third generation systems.
  • other connections and protocols can also be used.
  • the communication system shown in FIG. 1 has a GPRS packet data network architecture with an IP-based packet data network GPRS-N and a radio-based UMTS radio network UTRAN for communication with mobile and stationary radio stations MS.
  • connection setup between a connection-oriented station MS and the packet data network GPRS-N is outlined in FIG.
  • the mobile station MS logs into a foreign or visited communication network GPRS-N / VPLMN.
  • the station MS requests a connection to a radio communication network UTRAN, in the area of which the station MS is located, "register MS".
  • the UTRAN radio communication network does not send the connection-oriented registration request "Register CS" now directly to the responsible mobile switching center MSC but converts it into a packet-oriented registration request "Register GPRS".
  • the packet-oriented application request "GPRS to ⁇ Report" is then the radio communication network UTRAN while before ⁇ lying embodiment, instead of Mobilschaltzentra ⁇ le MSC and sent via the interface Gb in the present embodiment directly to the appropriate interface of the packet data network GPRS-N, which in this Case sent to the access network node SGSN.
  • the radio communication network UTRAN requests a connection establishment directly from the packet data network GPRS-N instead of the known systems at the mobile switching center MSC.
  • the access network node SGSN of the visited communication network VPLMN then initiates a (packet) data service location determination procedure "GPRS location update".
  • Information (subscriber data or service data) that is required for the connection establishment is called up from the home register HLR of the calling station MS or from its home communication network GPRS-N / HPLMN.
  • This information can include, for example, location information, charge keys and information about permitted services.
  • from the home location register HLR in the home network - if available - information about the connection status and service status control function CSCF (H) responsible in the home communications network GPRS-N / HPLMN is also transmitted to the access network node SGSN of the visited communications network VPLMN.
  • This information in particular also includes the address of the connection status and service status control function CSCF (H) in the home communication network GPRS-N / HPLMN.
  • the access network node SGSN After the access network node SGSN confirms the receipt of this information to the home location register HLR and from there has received a location update acceptance for the service, in particular packet data service, the access network node SGSN sends a registration acceptance signaling for the network access "Anddungsanähme" to the radio communication network UTRAN or via this to the connection requesting station MS a circuit-switching acceptance confirmation.
  • PDP Context Packet Data Protocol
  • a packet data connection PDP to the packet data network node GGSN is set up from the access network node SGSN.
  • the packet data network node GGSN from the access network node SGSN does not have the address of the connection status and service status control function CSCF (H) responsible in the home communication network HPLMN of the calling station MS, but instead the connection status and service status control function CSCF responsible in the visited communication network VPLMN (V) communicated.
  • H connection status and service status control function
  • the access network node does not connect to the connection status and service status control function CSCF (H) responsible in the home communication network GPRS-N / HPLMN, but rather to the connection status and service status control function CSCF (V) responsible in the visited communication network VPLMN , This enables control of the incoming call directly by the connection state and service state control function CSCF (V).
  • H connection status and service status control function
  • V connection status and service status control function responsible in the visited communication network VPLMN
  • the access network node SGSN After confirmation of the packet data connection from the packet data network node GGSN, the access network node SGSN issues a confirmation to the radio communication network UTRAN and the calling station MS.
  • the radio communication network UTRAN can thus optionally register with the service status control function CSCF (V) of the visited communication network VPLMN.
  • V service status control function
  • the station MS in the UTRAN radio communication network has access to corresponding services, for example multimedia services, possible in the visited communication network VPLMN.
  • Control via the service status control function CSCF (H) of the remote communication network HPLMN of the station MS is no longer absolutely necessary in order to be able to use certain services.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé pour établir et gérer une communication entre une station radio (MS) et un système de communication à commutation par paquets (SGSN, GGSN, CSCF(H)). La communication entre la station (MS) et le système de communication (SGSN, GGSN) est établie par l'intermédiaire d'unités côté station radio (UTRAN) pour exploiter une interface radio et par l'intermédiaire d'un noeud de réseau de services (SGSN) du système de communication. La communication est gérée au moins partiellement par l'intermédiaire d'une fonction de commande d'état de communication et d'état de services (CSCF(H) du système de communication (HPLMN). L'objectif de l'invention est de faciliter la gestion et la commande d'une communication entre une station radio (MS) et un réseau de communication visité dans lequel elle s'est enregistrée. A cet effet, dans une communication entre la station (MS) et un système de communication (GPRS-N/VPLMN) visité par cette dernière, la gestion et/ou la commande est effectuée par une fonction de commande d'état de communication et d'état de services (CSCF(V) du système de communication visité (GPRS-N).
PCT/DE2001/001877 2000-05-19 2001-05-17 Procede pour determiner une fonction de commande d'etat de communication et d'etat de services (cscf) dans un reseau de communication mobile public visite (vplmn) WO2001089248A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024863A DE10024863A1 (de) 2000-05-19 2000-05-19 Verfahren zur Bestimmung einer Verbindungszustands- und Dienstezustands-Steuerfunktion CSCF durch ein öffentliches besuchtes Mobilkommunikationsnetz VPLMN
DE10024863.2 2000-05-19

Publications (1)

Publication Number Publication Date
WO2001089248A1 true WO2001089248A1 (fr) 2001-11-22

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PCT/DE2001/001877 WO2001089248A1 (fr) 2000-05-19 2001-05-17 Procede pour determiner une fonction de commande d'etat de communication et d'etat de services (cscf) dans un reseau de communication mobile public visite (vplmn)

Country Status (2)

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DE (1) DE10024863A1 (fr)
WO (1) WO2001089248A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009016968A1 (fr) * 2007-07-27 2009-02-05 Nec Corporation Système de communication, procédé d'enregistrement d'équipement d'utilisateur, dispositif de commutation et système d'enregistrement d'équipement d'utilisateur

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032304A2 (fr) * 1997-01-20 1998-07-23 Nokia Telecommunications Oy Actualisation de zone d'acheminement dans un reseau de radiocommunication par paquets

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032304A2 (fr) * 1997-01-20 1998-07-23 Nokia Telecommunications Oy Actualisation de zone d'acheminement dans un reseau de radiocommunication par paquets

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"3G TR 23.821 v1.0.1 Architecture Principles for Release 2000", 3RD GENERATION PARTNERSHIP PROJECT; TECHNICAL SPECIFICATION GROUP SERVICES AND SYSTEM ASPECTS, July 2000 (2000-07-01), pages 1 - 62, XP002175634 *
A. NAPOLITANO ET.AL.: "UMTS all-IP Mobility Management, Call and session control procedures", INTERNET DRAFT, 24 March 2000 (2000-03-24), pages 1 - 23, XP002149519 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009016968A1 (fr) * 2007-07-27 2009-02-05 Nec Corporation Système de communication, procédé d'enregistrement d'équipement d'utilisateur, dispositif de commutation et système d'enregistrement d'équipement d'utilisateur

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