WO2008071846A2 - Gestion de connexions de données dans des réseaux de communication mobiles - Google Patents

Gestion de connexions de données dans des réseaux de communication mobiles Download PDF

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Publication number
WO2008071846A2
WO2008071846A2 PCT/FI2007/050677 FI2007050677W WO2008071846A2 WO 2008071846 A2 WO2008071846 A2 WO 2008071846A2 FI 2007050677 W FI2007050677 W FI 2007050677W WO 2008071846 A2 WO2008071846 A2 WO 2008071846A2
Authority
WO
WIPO (PCT)
Prior art keywords
request
subscriber
mobile communication
open
communication network
Prior art date
Application number
PCT/FI2007/050677
Other languages
English (en)
Other versions
WO2008071846A3 (fr
Inventor
Lauri Isotalo
Matti Samuli PENTTILÄ
Original Assignee
Elisa Oyj
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 Elisa Oyj filed Critical Elisa Oyj
Priority to EP07848208A priority Critical patent/EP2095660A2/fr
Publication of WO2008071846A2 publication Critical patent/WO2008071846A2/fr
Publication of WO2008071846A3 publication Critical patent/WO2008071846A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • 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
    • H04W8/08—Mobility data transfer
    • H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • 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 present invention is related to the handling of data connections in mobile communication networks.
  • connection setup described above is illustrated by arrow 115 in Figure 1.
  • the system shown in Figure 1 comprises the Internet 101 and mobile communication networks of operators A and B.
  • the networks of operators A and B comprise
  • GGSN elements 104 and 109 respectively, and associated Gn interfaces 105 and
  • Operator A's network also comprises an SGSN (Serving GPRS Support Node) element 114 connected to the Gn interface and a radio network controller (RNC) 116 and a base station 113, which are connected to the SGSN element 114 and provide a radio interface to operator A's network for end-user devices.
  • SGSN Serving GPRS Support Node
  • RNC radio network controller
  • a terminal device 112 of operator B's subscriber is connected to operator A's network via the base station 113.
  • an Internet connection request is sent from the terminal device 112
  • said request is routed from operator A's network via the GRX network to the GGSN element 109 of operator B's network and from there further to the Internet, as described above.
  • Arrow 115 indicates this connection.
  • VPN Vehicle Land Mobile Network
  • HLR Home Location Register
  • a method for providing a data connection in a mobile communication network comprises detecting a request to open an Internet connection from a visiting subscriber in said mobile communication network, and modifying said request to open to open in said mobile communication network in such a way that it is routed to the Internet substantially directly over said mobile communication network.
  • the expression "routed substantially directly” means that the connection is routed via network elements of the mobile communication network in question without the need to route via another mobile communication network.
  • the connection may be routed via several different network elements.
  • the modifying of the request to open may be carried out, for example, by changing an access point name included in the request into one that is used in said mobile communication network.
  • the method may comprise checking whether said subscriber is on a predetermined list, and only modifying said request to open if said subscriber is on said list.
  • said request to open is routed on the basis of information included in said request to open if said subscriber is not on said list.
  • the method may comprise receiving from a visiting subscriber a request to obtain access to a direct Internet connection, and adding said visiting subscriber to said predetermined list in response to said request.
  • the method further comprises detecting the arrival of a visiting subscriber in said mobile communication network, and notifying the detected subscriber of a possibility to obtain access to a direct Internet connection, whereby said visiting subscriber may deliver said request in response to said notifying.
  • Said notifying may be carried out by means of SMS, MMS, a cell broadcast message, an instant message, a group message or a push message, for example.
  • the method comprises checking said visiting subscriber's access rights before allowing said request to open to be routed to the Internet. Said visiting subscriber may also be provided with a possibility to obtain the necessary access rights if it is found that the access rights are not sufficient.
  • a device for providing a data connection in a mobile communication network comprises processing means that are adapted to detect a request to open an Internet connection from a visiting subscriber in said mobile communication network, and modify said request to open in such a way that it is routed to the Internet substantially directly over said mobile communication network.
  • Said device may be an SGSN (Serving GPRS Support Node) element or a radio network controller (RNC), for example.
  • SGSN Serving GPRS Support Node
  • RNC radio network controller
  • a system for providing a data connection in a mobile communication network comprises a device adapted to detect a request to open an Internet connection from a visiting subscriber in said mobile communication network, and modify said request to open in such a way that it is routed to the Internet substantially directly over said mobile communication network.
  • Said device in the system may further be adapted to carry out features of other embodiments of the invention, or the system may comprise other devices for carrying out features of other embodiments of the system.
  • a computer program comprising a computer-executable program code that, when executed, controls a device to carry out the method in accordance with the first aspect.
  • the computer program in accordance with the fourth aspect may comprise a program code that is executable by any one of the following, for example: a general-purpose processor, a microprocessor, an application-specific integrated circuit, and a digital signal processor.
  • the feature included in some embodiments of the invention that access to the Internet is provided directly over a visited network enables mobile communication operators to provide, for example, a service comparable to a WLAN-type (Wireless Local Area Network) data connection for subscribers other than their own.
  • mobile communication operators may, for example, compete for users with WLAN hotspots, particularly when the data transmission speeds of mobile communication networks increase with HSDPA (High Speed Downlink Packet Access) and HSUPA (High Speed Uplink Packet Access) technologies, for example.
  • HSDPA High Speed Downlink Packet Access
  • HSUPA High Speed Uplink Packet Access
  • direct Internet access may be provided to visiting subscribers without any modifications to the terminal device/the settings of the terminal device, which may enable achieving a solution that is easy to use.
  • an advantage of some embodiments of the invention is that direct Internet access may be provided to visiting subscribers without a separate additional agreement with the operator of the subscriber's home network; rather, a "normal roaming agreement" is sufficient.
  • FIG. 1 shows a system in accordance with prior art
  • Figure 2 shows a system in accordance with one embodiment of the invention
  • Figure 3 shows a flow chart of a method in accordance with one embodiment of the invention
  • Figure 4 shows a flow chart of a method in accordance with another embodiment of the invention
  • Figure 5 shows a flow chart of a method in accordance with yet another embodiment of the invention
  • Figure 6 shows a flow chart of a method in accordance with yet another embodiment of the invention.
  • Figure 7 shows a device in accordance with one embodiment of the invention.
  • FIG. 2 shows a system in accordance with one embodiment of the invention, the system comprising the Internet 101 and mobile communication networks of operators A and B.
  • the networks of operators A and B comprise GGSN elements
  • the GGSN elements 104 and 109 are connected to the Internet 101 via the Gi interfaces and firewalls 102 and 107, respectively.
  • the networks of operators A and B are interconnected via the Gn interfaces and a GRX operator's network 111.
  • Operator A's network also comprises an SGSN (Serving GPRS Support Node) element 214 connected to the Gn interface 105, and a radio network controller (RNC) 216 and a base station 113, which are connected to the SGSN element 214 and provide a radio interface to operator A's network for end-user devices.
  • SGSN Serving GPRS Support Node
  • RNC radio network controller
  • base station 113 which are connected to the SGSN element 214 and provide a radio interface to operator A's network for end-user devices.
  • operator B's network also comprises corresponding elements, but they are not shown in the figure. Note also that the system presented may, in actual fact, also include multiple elements not shown.
  • a terminal device 112 of operator B's subscriber is connected to operator A's network via the base station 113.
  • the request in question is detected in the SSGN element 214, for example, in operator As network, and the request is modified in such a way that it is routed to the Internet 101 over operator A's network without the need to pass through operator B's network.
  • Arrow 215 indicates this connection. The modifying and routing of the request to open will be discussed in more detail below.
  • the Internet connection request may be modified in a corresponding way in the RNC element 216, whereby the SGSN element may be ignored.
  • A's network in Figure 2 also comprises a WWW server 201 and an AAA (Authentication, Authorization and Accounting) server 202, which are connected to the Gi interface 103.
  • the WWW server may be a general-purpose server, for example, and the AAA server may be a Radius server, for example. Their functionalities will be discussed in more detail in connection with some embodiments of the invention below.
  • Figure 3 shows a flow chart of a method in accordance with one embodiment of the invention, which may be executed in the SSGN element 214 or the RNC element 216 of Figure 2, for example.
  • a request to open an Internet connection is detected from a visiting subscriber in a mobile communication network.
  • the fact that the request is from a visiting subscriber may be detected, for example, by checking whether the IMSI (International Mobile Subscriber Identity) identifier of the device sending the request falls within the IMSI space of the home network (i.e., operator A's network in the case shown in Figure 2) or outside it. If the IMSI falls outside the IMSI space of the home network, the subscriber is a visiting subscriber. Note here that also a domestic roaming case is possible in addition to an international roaming case.
  • IMSI International Mobile Subscriber Identity
  • a request to open an Internet connection from a visiting subscriber is detected, next, in step 302, it is checked whether the subscriber in question is on a predetermined list, which may be called a "white list", for example.
  • the list comprises information on subscribers subscribing to direct Internet access and the subscribers on it may be identified by means of the subscribers' IMSI and/or MSISDN (Mobile Station International ISDN Number) identifiers, for example.
  • IMSI and/or MSISDN Mobile Station International ISDN Number
  • the request to open an Internet connection is routed normally in step 303.
  • "normal routing" means that the request is routed on the basis of information included in it. In most cases, this means that the request is routed to the visiting subscriber's home network (i.e., to a visited network from operator A's perspective in Figure 2) and from there to the Internet.
  • the method proceeds to step 304, where the request to open is modified in such a way that it will be routed to the Internet directly over the mobile communication network in question.
  • routed directly means the opposite of being routed via the home network, i.e., here, too, the routing may be carried out via several network elements.
  • the modifying of the request to open may be carried out, for example, by changing an APN (Access Point Name) in the request into one that is in use in the mobile communication network in question (i.e., in operator A's network in the case shown in Figure 2) and that does not include the home network's Ol (Operator Identifier).
  • APN Access Point Name
  • the Ol consists of the operator's network code (MNC, Mobile Network Code) and the operator's country code (MCC, Mobile Country Code).
  • MNC Operator's network Code
  • MCC Mobile Country Code
  • APN Network Identifier
  • MNC Mobile Network Code
  • MCC Mobile Country Code
  • APN Network Identifier
  • the parameters received from a HLR of the subscriber's home network may be modified (in the SGSN, for example) so that the "VPLMN Address Allowed" definition is set on.
  • the network visited by the subscriber routes the request to open to a GGSN of its own network (i.e., operator A's network in the case shown in Figure 2) in step 305.
  • this routing may take place, for example, so that an SGSN makes a DNS (Domain Name Server) query to a selected new APN and, in response, receives the address of a GGSN of the network visited by the subscriber, to which GGSN the request is then routed.
  • the GGSN then directs the request forward to the Internet.
  • the RNC may direct the request directly to a GGSN, whereby the SSGN may be ignored.
  • GGSN is only one example of a NAS (Network Access Server) device providing Internet connections and that the use of other comparable devices may also fall within the scope of the invention.
  • NAS Network Access Server
  • the method proceeds from step 301 in Figure 3 directly to step 304 (indicated with a dashed line in the figure).
  • requests to open an Internet connection by visiting subscribers are always modified in accordance with the method presented.
  • the presence of the subscriber on said list of subscribers subscribing to direct Internet connections is checked at a later stage and/or the visiting subscriber is provided with a possibility to restore the routing of his or her request to open to the original routing.
  • FIG 4 shows a flow chart of a method in accordance with another embodiment of the invention that is related to maintaining a list of subscribers subscribing to direct Internet access and that may also be executed in the SGSN element 214 or the RNC element 216 of Figure 2, for example.
  • a visiting subscriber arriving in a mobile communication network such as the terminal device 112 of Figure 2 is detected, and in step 402 the subscriber in question is notified of a possibility to obtain a direct Internet connection.
  • a notification may be provided by means of an SMS or MMS message, for example.
  • the notification may be included in a welcome message, which operators commonly send to visiting subscribers arriving in their networks.
  • the visiting subscriber may send a request or an acceptance for a direct Internet connection in step 403.
  • the request or acceptance may be provided by means of an SMS, MMS or instant message, for example, and the notification mentioned above may include instructions for providing the acceptance.
  • the visiting subscriber in question is added to a list of subscribers subscribing to direct Internet access. (In practice, the visiting subscriber's IMSI and/or MSISDN, for example, is added to the list.)
  • subscribers may be provided with a possibility to subscribe to direct Internet connections in a visited network in advance.
  • the subscription possibility may be provided by means of a suitable WWW service, for example.
  • Figure 5 shows a flow chart of a method in accordance with yet another embodiment of the invention, which may be executed in the AAA server 202 of Figure 2, for example.
  • a GGSN element checks the right to open a connection before the connection is routed to the Internet by sending an authentication request to an AAA server or a comparable element.
  • the AAA server receives such an authentication request concerning a visiting subscriber.
  • the AAA server checks the subscriber's access rights, and if the subscriber does not have the necessary access rights for opening an Internet connection, in step 503 the connection is directed to a WWW server, where the subscriber may subscribe to/purchase the necessary access rights.
  • the directing of the connection to the WWW server in question may be carried out, for example, so that the subscriber is given an IP address that does not have access to anywhere else than the WWW server in question.
  • the connection is routed to the Internet in step 504.
  • the routing of the connection to the Internet may be carried out, for example, so that the subscriber is given an IP address that has free access to the Internet.
  • the AAA server may also start counting used connection time and send a request to a GGSN to close the connection when the amount of connection time to which the subscriber in question is entitled has expired.
  • the method shown in Figure 5 may include an additional step 505 to which the method proceeds from step 501 and where it is checked whether the subscriber in question is on this list. If the subscriber is not on the list, the method proceeds directly to step 503, where the connection is directed to a WWW server where the subscriber may subscribe to/purchase a direct Internet connection and the necessary access rights. On the other hand, if the subscriber is on the list, the method proceeds to step 502 and further as described above.
  • Figure 6 shows a flow chart of a method in accordance with yet another embodiment of the invention, which may be executed in the AAA server 202 of Figure 2, for example.
  • a visiting subscriber is offered Internet connection time, and in step 602 it is checked whether the subscriber purchases connection time. If the subscriber purchases connection time, the necessary password information is notified to the subscriber by means of an SMS 1 MMS or instant message, for example, in step 605. At the same time, the subscriber is added to a list of subscribers subscribing to direct Internet connections. On the other hand, if the subscriber does not purchase connection time (the subscriber indicates that he or she does not want to purchase connection time or a predetermined period expires), the method returns to "normal roaming" in step 603, and the subscriber in question is removed from the list of subscribers subscribing to direct Internet connections in step 604.
  • the return to normal roaming means that a request to open an Internet connection by the subscriber in question is routed on the basis of its original information, which usually means routing to the home network of the subscriber in question.
  • various embodiments of the invention may be implemented by means of general-purpose components, dedicated components, software or logic, or any suitable combination of these.
  • some features may be implemented as physical components and some as software that is executable in a general- purpose processor, microprocessor or another data processing device, but the invention is not solely confined to these.
  • Figure 7 shows a device 700 in accordance with one embodiment of the invention, suitable for implementing various embodiments of the invention.
  • the device may be a general-purpose computer or server, and it may be adapted to operate as an SGSN element, an RNC element, a WWW server or an AAA server in accordance with some embodiments of the invention, for example.
  • the device 700 comprises a processor 701 for controlling the operation of the device and a memory 701 comprising a computer program/software 703.
  • the computer software 703 may comprise instructions for the processor to control the device 700, such as an operating system and various applications. Furthermore, the computer software 703 may comprise an application that comprises instructions for controlling the device 700 so that the functionality in accordance with some embodiment of the invention is provided.
  • the memory 702 also comprises a database or a comparable data storage 704, where the list of visiting subscribers subscribing to a direct Internet connection described above may be stored, for example.
  • the database 704 is not necessarily needed. For example, if the device 700 is adapted to operate as a WWW server in accordance with one embodiment of the invention, the database 704 is not necessarily needed.
  • the device 700 comprises an input/output unit 705 that provides an interface for communicating with other devices.
  • the interface may be a fixed, wired connection, such as an Ethernet connection, for example.
  • the device 700 may also comprise a user interface 706 (indicated with a dashed line), which may comprise a display and a keyboard, for example (not shown in the figure).
  • the user interface is not necessarily needed, or the user interface may be implemented as a remote connection via the input/output unit 705.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention porte sur un procédé pour fournir une connexion de données dans un réseau de communication mobile. Le procédé comporte la détection d'une requête d'ouverture d'une connexion Internet provenant d'un abonné visiteur (112) dans ledit réseau de communication mobile, et la modification de ladite requête d'ouverture dans ledit réseau de communication mobile, de telle sorte qu'elle est routée vers l'Internet sensiblement directement sur ledit réseau de communication mobile. En outre, l'invention porte sur un dispositif, un programme d'ordinateur et un système correspondants.
PCT/FI2007/050677 2006-12-15 2007-12-11 Gestion de connexions de données dans des réseaux de communication mobiles WO2008071846A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07848208A EP2095660A2 (fr) 2006-12-15 2007-12-11 Gestion de connexions de données dans des réseaux de communication mobiles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20065809 2006-12-15
FI20065809A FI20065809L (fi) 2006-12-15 2006-12-15 Datayhteyksien käsitteleminen matkaviestinverkossa

Publications (2)

Publication Number Publication Date
WO2008071846A2 true WO2008071846A2 (fr) 2008-06-19
WO2008071846A3 WO2008071846A3 (fr) 2008-08-07

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PCT/FI2007/050677 WO2008071846A2 (fr) 2006-12-15 2007-12-11 Gestion de connexions de données dans des réseaux de communication mobiles

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EP (1) EP2095660A2 (fr)
FI (1) FI20065809L (fr)
WO (1) WO2008071846A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013028768A1 (fr) * 2011-08-23 2013-02-28 Qualcomm Incorporated Sélection d'apn/ggsn dans un réseau domestique ou visité pour activation de contexte pdp pour un équipement utilisateur itinérant en fonction du support d'un service donné dans un réseau visité

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002001822A1 (fr) 2000-06-29 2002-01-03 Wireless Login Ab Procede et agencement destines a securiser l'acces a un reseau de communications
WO2002003731A1 (fr) 2000-06-30 2002-01-10 Motorola Inc Dispositif de telecommunication mobile et procede de connexion a un site internet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040174900A1 (en) * 2003-03-06 2004-09-09 Incucomm, Inc. A Delaware Corporation Method and system for providing broadband multimedia services
EP1849329A1 (fr) * 2005-02-16 2007-10-31 Starhome GmbH Solution a numeros locaux pour utilisateurs de telephonie mobile en itinerance

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002001822A1 (fr) 2000-06-29 2002-01-03 Wireless Login Ab Procede et agencement destines a securiser l'acces a un reseau de communications
WO2002003731A1 (fr) 2000-06-30 2002-01-10 Motorola Inc Dispositif de telecommunication mobile et procede de connexion a un site internet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013028768A1 (fr) * 2011-08-23 2013-02-28 Qualcomm Incorporated Sélection d'apn/ggsn dans un réseau domestique ou visité pour activation de contexte pdp pour un équipement utilisateur itinérant en fonction du support d'un service donné dans un réseau visité

Also Published As

Publication number Publication date
EP2095660A2 (fr) 2009-09-02
FI20065809L (fi) 2008-06-16
WO2008071846A3 (fr) 2008-08-07
FI20065809A0 (fi) 2006-12-15

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