WO2006089862A1 - Procede d'activation d'une liaison de paquets de donnees - Google Patents

Procede d'activation d'une liaison de paquets de donnees Download PDF

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Publication number
WO2006089862A1
WO2006089862A1 PCT/EP2006/060061 EP2006060061W WO2006089862A1 WO 2006089862 A1 WO2006089862 A1 WO 2006089862A1 EP 2006060061 W EP2006060061 W EP 2006060061W WO 2006089862 A1 WO2006089862 A1 WO 2006089862A1
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WO
WIPO (PCT)
Prior art keywords
network node
terminal
user
znk2
access network
Prior art date
Application number
PCT/EP2006/060061
Other languages
German (de)
English (en)
Inventor
Frank Schramm
Original Assignee
Nokia Siemens Networks Gmbh & Co. Kg
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 Nokia Siemens Networks Gmbh & Co. Kg filed Critical Nokia Siemens Networks Gmbh & Co. Kg
Publication of WO2006089862A1 publication Critical patent/WO2006089862A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/17—Selecting a data network PoA [Point of Attachment]
    • 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
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]

Definitions

  • the invention relates to a method for activating a packet data connection.
  • the terminal-use Netzkno ⁇ receives th in the form of a SGSN (Serving GPRS Support Node) of the home database, the PDP profiles of the user of the terminal.
  • the terminal now sends a request message to the SGSN, the request message determining the data network to which the packet data connection is to be established by means of an identification parameter in the form of the requested APN.
  • the SGSN now performs a comparison of the APN requested by the terminal with the allowed APN stored in the PDP profiles of the user of the terminal. For a successful comparison, it is necessary in this case that the requested APN and stored in the PDP-profile APN men in complete agreement stim ⁇ , it is that a fully qualified comparison be- 2005P03255 EN
  • the SGSN determines from the requested APN (which is identical to the APN stored in the corresponding PDP profile) the address of an access network node in the form of a so-called GGSN (GPRS Gateway Support Node).
  • This GGSN is connected to both the SGSN and the data network. Using the address of the GGSN, the SGSN establishes the packet data connection between the terminal and the data network via the GGSN.
  • the invention has for its object to provide a method for activating a packet data connection, in which the data connection between the terminal and the data network even in its function and administration by the mobile radio network runs flawlessly and flexibly, if the respective terminal in local areas which are covered by different access network nodes.
  • this object is achieved by a method for activating a packet data connection in which determination parameters stored in a mobile data network with at least one network node and at least two access network nodes in a home database containing associated data of the user of a terminal are administered in packet data protocol PDP profiles such that they determine the packet data networks permitted for the respective user of the terminal, and specify an identity of an access network node assigned to the user of the terminal and connected to the data network; a terminal operating the terminal receives from the home database the PDP profiles of the user of the terminal, the terminal sends a request message for activating the packet data connection to the network node, the request message containing an identification parameter 2005P03255 EN
  • the network node determines the data network to which the packet data connection is to be established; the network node performs a comparison of the identification parameter with the determining parameters of the PDP profiles of the user of the terminal by the network node breaks when matching a Identificationsparame ⁇ ters with one of the determining parameter comparison and determines from the thus determined determining parameter the identity of the user of the Terminal assigned access ⁇ network node; the network node determined from the identity of the user of the terminal associated with the access network node an address of the user of the terminal assigned to ⁇ transition network node, and then activated by the Netzkno ⁇ th about the user of the terminal associated with the access network node, the packet data connection between the terminal and the data network.
  • the inventive method makes it possible for the access network node to be predetermined in a user-specific manner in the PDP profiles administered in the home database via which the activation of the packet data connection between the
  • Access network nodes may be, for example, those of the region in which the subscriber of the terminal or the home database associated with it is located. To made this ⁇ union, is administered so the off in the PDP profiles of the home database specified determination parameter that it not only determines the allowed for each user of the terminal packet data networks, but also the identity of the user of the terminal associated with the access network node connected to the data network.
  • the process is preferably designed such that the network node of the determines the address of the user of the terminal to ⁇ parent access network node by sending an address request with the identity of the user of the terminal associated with the access network node to a domain name system DNS server, and the DNS server the address inquiry by sending the address of the user of the terminal device ⁇ tes associated access network node to the network node beant ⁇ wortet.
  • DNS server is a frequently used component for determining a
  • the method is configured such that as the identity of the access network node of the comparison ermit ⁇ Telte determining parameter is used.
  • the determined determination parameter can thus be used directly for determining the address of the access network node.
  • the method is configured such that the Ver ⁇ rametern equal to the identification parameter with the Beticianspa ⁇ a partially qualified search is made in the form, wherein the network node aborts the comparison already in conformity of a predetermined portion of the compared parameters.
  • a partially qualified search is advantageous because it allows to predetermine the identity of the respective access network node in the PDP profiles, for example by prefixing or prefixing characters with the sentiment parameters. This minimizes the effort required to introduce the method in the home database for administration of the destination parameters and in the network nodes of the mobile network for changing the method for comparing the parameters.
  • the administration of the PDP profiles in the home database is possible in a clear form.
  • the method can also advantageously be such that the predetermined part of the compared parameters is given by the identification parameter, wherein the determination parameter may contain further characters at the end and / or at the beginning.
  • the addition of further characters at the end of the determination parameter is advantageous because the on ⁇ walls of the process are minimized for the introduction, and a clear administration of Bestim ⁇ mung parameter in the PDP profiles simultaneously.
  • 2005P03255 EN compared to the known method only 2005P03255 EN
  • the method may preferably also be designed in such a way that the PDP profiles in the home database are placed in such a sequence that first such PDP profiles are listed in which the determination parameter only partially matches the identification parameter, and then such PDP profiles for which the determination parameter completely matches the identification parameter.
  • This refinement is advantageous since it also makes it possible to use the method according to the invention for the case in which other mobile radio networks in which the terminal can log in, for example during so-called "roaming", do not support a partially qualified search a vollqua ⁇ lifi ed comparison between the identification parameters and determining parameters through, thus providing for the PDP-profiles in which the determination parameter only partly identical with the identification parameter is no match determined.
  • Figure 1 is a sketch of the structure of a packet data connection according to the invention, using a procedural ren into two regions, each having a network node and an access node divided mobile radio network with two terminal devices ⁇ th,
  • FIG. 1 shows an embodiment of the administration of
  • Figure 3 shows an embodiment of the determination of
  • Figure 1 shows a mobile network MFN, which consists of the two regions Al and A2. Each of these two regions A1 and A2 has a network node NK1 or NK2 and an access network node ZNK1 or ZNK2. Both access network nodes ZNK1 and ZNK2 are connected to a data network, which is not shown in the figure.
  • terminals MS1 of a user assigned to the region A1 and MS2 of a user assigned to the region A2 are shown.
  • Al or A2 is also referred to below as his home region.
  • an identification parameter IDPAR is configured with the character string "Internet A.”
  • the terminal MS1 of the user is connected to the home region A1 with the network node NK2 of the region A2 and Terminal MS2 of the user with the home region A2 with the network node NK1 of the region Al.
  • both terminals MS1 and MS2 are located outside their respective home region A1 or A2.
  • one of the user's terminal MS1 would therefore also have the home region Al requested packet data connection to the data network are set up by the network node NK2 of the region A2 via the access network node ZNK2 of the region A2.
  • a packet data connection to the data network would be established by the network node NK1 of the region A1 via the access network node ZNK1 of the region A1.
  • the structure of the packet data connection between the terminals MSl or MS2 and the data network of the respective user predetermined access network node ZNKl or ZNK2 the home region Al or A2 of the user is used.
  • the terminal MSl of the user transmits with the home region A1 a request message for activating a packet data connection to the network node NK2 of the region A2 connected to it, which transmits the identification parameter IDPAR in the form of the string "InternetA".
  • the network node NK2 of the region A2 then performs a comparison of the identification parameter IDPAR with determination parameters BEPAR stored in a home database HLR in user-specific PDP profiles
  • the determination parameters BEPAR define the data network permitted for the user of the terminal MS1 for the respective PDP profile
  • the determination parameters BEPAR specify that the packet data connection requested by the terminal MS must be made with the data network via the access network node ZNK1 of the region A1.
  • the network node NK2 of the region A2 establishes the packet data connection between the user's terminal MS1 with the home region A1 and the data network via the access network node ZNK1 of the region A1 predetermined in the determined destination parameter BEPAR of the user ,
  • the terminal MS2 transmits the user with the re ⁇ gion A2 a request message for activating a ⁇ Pa ket Scheme informative to its associated network node NKL the Al region corresponding to identification parameters IDPAR 2005P03255 EN
  • the identification parameter IDPAR is thus identical for the terminals MS1 and MS2 of the two users.
  • the network node NK1 of the region A1 performs a comparison of the identification parameter IDPAR with that in the home database HLR of the user of the terminal MS2 in PDP profiles stored Beticianspa ⁇ rametern by BEPAR.
  • the network nodes NKL activated the region Al tentagen the requested from the terminal device MS2 of the user with the home region A2 owskida- to the data network via the access network node ZNK2 the A2 region ,
  • FIG. 2 schematically illustrates a part of the steps of the method according to the invention on the basis of an exemplary embodiment. According to the previous figure sends a located outside of the home region Al of his user
  • Terminal MSl receives a request message containing the identification parameter IDPAR in the form of the character string "Internet A" to the network node NK2 of the region A2 serving the terminal MS1
  • the network node NK2 compares the received identification parameter IDPAR with determination parameters stored in the user's PDP profiles BEPAR.
  • the PDP profiles of the network node NK2 receives this from the Hei ⁇ matchalbank HLR in which the administration of the PDP's profile, the user is performed.
  • the transmission of the PDP's profile from the home location register HLR to the network node NK2 may either already at the Login the terminal MSl in Mobil ⁇ funknetz MFN done, as it is currently defined in the GPRS standard, or as part of the activation of the packet 2005P03255 EN
  • the PDP profiles are also referred to as PDP Context or HLR PDP Context.
  • the network node NK2 checks whether the identification parameter IDPAR requested by the terminal MS1 agrees with one of the determination parameters BEPAR administered in the PDP profiles of the user of the terminal MS1. In the embodiment of the inventive method illustrated in FIG. 2, this is done by a partially qualified search or a partially qualified comparison, ie for a successful comparison, no complete matching of the identification parameter IDPAR "Internet-A" with one of the determination parameters of the PDP profiles is required ,
  • the partially qualified comparison results in a match with the determination parameter BEPAR "Internet AI" administered in the illustrated PDP profile of the user with the home region Al
  • the network node NK2 determines a match since the first part of the two compared parameters is identical.
  • the authorization of the terminal MSl for establishing a packet data connection to the requested data grid and determined using the Identificationspa ⁇ rameters IDPAR the other hand the determination parameter BEPAR that a match of Comparison leads. 2005P03255 EN
  • the network node NK2 can now derive the identity of the access network node ZNKl from ⁇ from the determined parameter determination BEPAR.
  • the identity of the access network node ZNK1 can be given directly by the determined determination parameter BEPAR, ie it is determined by the character string "Internet AI" that the connection from the terminal MS1 to the data network for the Users with the home region Al via the access network node ZNKl the region Al has to take place.
  • FIG. 2 shows a PDP profile of a user with the home region A2, in which the determination parameter BEPAR is administered as "Internet A2." This determines that connections of the user's terminal MS2 with the home region A2 via the Access network node ZNK2 the region A2 have to be done.
  • Figure 3 shows an advantageous embodiment of the method according ⁇ proper, in which the determined by the network node NK2 or NKL from the determined determination parameter BEPAR identity of the user of the terminal MSl and MS2 zugeord ⁇ Neten access network node ZNKl or ZNK2 order to determine the address of the access network node ZNKl or ZNK2 is sent to a Domain Name System DNS server.
  • the identity of the access network node ZNK1 is, as explained, the character string "Internet AI" and in the case of the user's terminal MS2 with the home region A2 the string "Internet A2" , 2005P03255 EN
  • the DNS server now assigns these two identities of different access network nodes ZNK1 and ZNK2 different addresses.
  • identity "Internet AI” this is the address of the access network node ZNK1 of the region Al and in the case of the identity "Internet A2" it is the address of the access network node ZNK2 of the region A2.
  • identity of the access network node ZNK1 or ZNK2 is again identical to the respectively determined destination parameter BEPAR.
  • the activation of the connection between the terminal MS1 or MS2 and the data network can now be activated by the network node NK2 or NK1 via the access network node ZNK1 assigned to the respective user of the terminal MS1 or MS2 or ZNK2.
  • the connection of the access network node ZNK1 or ZNK2 here can take place directly via the network node NK2 or NK1 or else with the interposition of further network nodes.
  • there may also be in the access network nodes ZNKl or ZNK2 and the further access network nodes so-called logical access network nodes which are defined as sub-units of a physical access network node NEN Kings ⁇ . This allows maintaining different access network nodes while using the same hardware and infrastructure.
  • the identification parameter IDPAR is defined by the mobile terminal network MS1 or MS1.
  • the determination parameters BEPAR stored in the PDP profiles include the values of the value allowed for the respective packet data connection 2005P03255 EN
  • Ver ⁇ the invention can drive are also still used when the user of the terminal MSl or MS2 in other mobile networks that are connected to the wireless network MFN, logs and of these other mobile networks from the activation of a packet data connection requests. If the nodes of the other mobile networks under support alarm clock and method of the invention ⁇ zen, so this no further changes are required. In particular, any further packet data connection for the terminal is then MSl and MS2 via the respective PDP in the profile of the user of the terminal MSl and MS2 waive ⁇ agreed access network node ZNKl or constructed ZNK2.
  • the home database is used
  • HLR of the users of the terminals MS1 and MS2 each require the establishment of a PDP profile in which the determination parameter BEPAR completely coincides with the identification parameter IDPAR requested by the terminal MS1 or MS2.
  • the order of the PDP profiles in the home database HLR ensures that the comparison of the identification parameter IDPAR with the destination that corresponds completely to the identification parameter IDPAR 2005P03255 EN
  • the parameter BEPAR only takes place after the comparison with the only partially matching determination parameters BEPAR has been carried out.
  • This determination parameter BEPAR is now a composites with the data network ⁇ nen access network node are used for determining the address. In this case, it ⁇
  • the structure of the packet data connection does not necessarily follow over the predetermined user-specific access network node ZNKl or ZNK2.
  • the network node NK2 or NK1 could, after successful comparison of the identification parameter IDPAR with the determination parameters BEPAR, also use the identification parameter IDPAR without using the determined determination parameter BEPAR by the identity of the access network node ZNK1 or NK1 administered on the network node NK2 or NK1 ZNK2 replace, which in turn could be used to determine the address of the access network node ZNKl or ZNK2.
  • Such an exchange of identification parameter IDPAR by the network node NK2 or NKL would be disadvantageous since it could take a parameter user-specific only accordingly, which the course ⁇ affiliation of the user to a particular region of Al and A2 sets.
  • a parameter could be, for example, the International Mobile Subscriber Identity (IMSI) or Homeland Database HLR identity. In both cases, however, is for the functioning of the corresponding
  • Regions A1 and A2 a change of the home database HLR assigned to the user.
  • this would necessitate a change in all network nodes NK2 and NK1 of the mobile radio network MFN, which is very complicated and error-prone and thus unacceptable.
  • the identity of the access network node ZNKl or ZNK2 which results for a particular requested identification parameter IDPAR, should be changed.
  • Such a change would in turn only be possible by changing the administration or the implementation in all network nodes NKL and NK2 of the mobile network MFN.

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

Abstract

L'invention concerne un procédé d'activation d'une liaison de paquets de données dans un réseau de téléphonie mobile (MFN) comportant au moins un noeud de réseau (NK2, NKl) et au moins deux noeuds de réseau d'accès (ZNKl, ZNK2). Ce procédé permet d'établir une liaison de paquets de données entre un terminal (MSl, MS2) et un réseau de données via un noeud de réseau d'accès (ZNKl, ZNK2) prédéterminé destiné à l'utilisateur du terminal (MSl, MS2). A cet effet, des paramètres de détermination (BEPAR) archivés dans des profils de protocole de paquets de données (Paketdatenprotokoll-PDP) d'un registre des abonnés locaux (HLR) sont gérés de telle façon qu'ils déterminent les réseaux de données par paquets autorisés, et fixent une identité du noeud de réseau d'accès (ZNKl, ZNK2) associé à l'utilisateur du terminal (MSl, MS2) et lié au réseau de données. Le noeud de réseau (NK2, NKl) reçoit du terminal (MSl, MS2) une demande contenant un paramètre d'identification (IDPAR) et compare le paramètre d'identification (IDPAR) aux paramètres de détermination (BEPAR). Si le noeud réseau (NK2, NKl) constate une coïncidence, alors il détermine, à partir du paramètre de détermination (BEPAR) déterminé, l'adresse du noeud de réseau d'accès (ZNKl, ZNK2) associé à l'utilisateur du terminal (MSl, MS2) et active, via ce dernier, la liaison de paquets de données entre le terminal (MSl, MS2) et le réseau de données.
PCT/EP2006/060061 2005-02-24 2006-02-17 Procede d'activation d'une liaison de paquets de donnees WO2006089862A1 (fr)

Applications Claiming Priority (2)

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DE102005009487.2 2005-02-24
DE102005009487A DE102005009487B3 (de) 2005-02-24 2005-02-24 Verfahren zur Aktivierung einer Paketdatenverbindung

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037103A1 (fr) * 1998-01-14 1999-07-22 Nokia Networks Oy Procede de commande d'acces pour systeme de telephonie mobile
WO2003015353A1 (fr) * 2001-08-09 2003-02-20 Nokia Corporation Activation de contextes de protocoles de donnees par paquets (pdp) actifs dans des reseaux mobiles publiques terrestres (plmns) supplementaires en fonction d'informations d'operateur local et/ou d'informations de sous-reseau
WO2003058996A1 (fr) * 2002-01-08 2003-07-17 Nokia Corporation Selection de noeud de transit (ggsn) dans un reseau mobile partage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110050B (fi) * 1999-10-22 2002-11-15 Nokia Corp Pakettidataprotokollakontekstin aktivoiminen verkkovierailevalle tilaajalle
EP1407401B1 (fr) * 2001-06-01 2007-09-19 Watercove Networks Possibilite pour un abonne d'un reseau de communication d'accroitre la valeur d'un compte prepaye

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037103A1 (fr) * 1998-01-14 1999-07-22 Nokia Networks Oy Procede de commande d'acces pour systeme de telephonie mobile
WO2003015353A1 (fr) * 2001-08-09 2003-02-20 Nokia Corporation Activation de contextes de protocoles de donnees par paquets (pdp) actifs dans des reseaux mobiles publiques terrestres (plmns) supplementaires en fonction d'informations d'operateur local et/ou d'informations de sous-reseau
WO2003058996A1 (fr) * 2002-01-08 2003-07-17 Nokia Corporation Selection de noeud de transit (ggsn) dans un reseau mobile partage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"GPRS Roaming Guidelines, GSM ASSOCIATION, PERMANENT REFERENCE DoCuMENT IR 33, PRD IR.33 Version 3.3.1, GSM Association Classifications", PERMANENT REFERENCE DOCUMENT IR.33, no. Version 320, 3 April 2003 (2003-04-03), pages 1 - 20, XP002298278 *

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