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WO2001060099A1 - Procede pour optimiser l'itinerance dans des reseaux de telephonie mobile - Google Patents

Procede pour optimiser l'itinerance dans des reseaux de telephonie mobile Download PDF

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Publication number
WO2001060099A1
WO2001060099A1 PCT/EP2001/000219 EP0100219W WO0160099A1 WO 2001060099 A1 WO2001060099 A1 WO 2001060099A1 EP 0100219 W EP0100219 W EP 0100219W WO 0160099 A1 WO0160099 A1 WO 0160099A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
location register
subscriber
connection
home location
Prior art date
Application number
PCT/EP2001/000219
Other languages
German (de)
English (en)
Inventor
Christof Lorang
Heiko Dassow
Udo PLÜCKEBAUM
Original Assignee
Deutsche Telekom Ag
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 Deutsche Telekom Ag filed Critical Deutsche Telekom Ag
Publication of WO2001060099A1 publication Critical patent/WO2001060099A1/fr

Links

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
    • H04W8/08—Mobility data transfer
    • H04W8/12—Mobility data transfer between location registers or mobility servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/49—Connection to several service providers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8038—Roaming or handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/34—Roaming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/46—Connection to several service providers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74—Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7442—Roaming

Definitions

  • the present method relates to the switching of calls between mobile radio networks from different network operators. By optimizing the technical processes, costs can be saved for the customers and the call quality can be improved.
  • the mediation of calls between two mobile customers registered with the same network operator is generally carried out via the network of the network operator (home PLMN of the B subscriber).
  • the called subscriber (B subscriber) is outside the network of his network operator, his network operator ensures that the call is forwarded accordingly (see FIG. 2).
  • the network operator can also be assigned a phone number (eg "T-USA") in the countries (eg "T-USA") in which it does not have its own network.
  • a calling customer (A participant) thus has the option of reaching the destination (B participant) in several ways. If the A subscriber has the cheapest access to the network operator of the B subscriber, both can save considerable costs.
  • a T-Mobil customer in the United States can call another T-Mobil customer who is also in the United States directly through USA "T-USA" B subscribers. The costs for USA-Germany-USA are thus eliminated.
  • the prerequisite for this is that the A subscriber has a residence permit in a network of network operator A.
  • the A subscriber can therefore be a customer of network operator A, or he can be a customer of another network operator who has a roaming agreement with network operator A.
  • the network of network operator A is abbreviated to PLMN A, that of network operator B to Home PLMN B. It is also assumed that the B subscriber is a customer of Home PLMN B and that Home PLMN B is both with PLMN A and the network operator of the PLMN visited by the B subscriber has a roaming agreement.
  • Home PLMN C is another network of network operator B, which differs from Home PLMN B either in the mobile radio standard used or in another country. Network operator B can also be in the consortium with Home PLMN C.
  • the call is routed to a network switching center (gateway MSC) from Home PLMN B based on the selected call number without taking the invention into account.
  • This gateway MSC asks the HL participant of the B subscriber for their location. The connection is continued with the address of the VLR.
  • RHLR Remote Home Location Register
  • Subscriber is fixed in his home network; is associated with the PLMN A network in such a way that the call is not routed to a gateway MSC in the home network of the called subscriber, as is customary, but reaches the selected subscriber in the network in which he is currently located.
  • RHLR does not represent its own participants, only the participants of Home PLMN B or Home PLMN C.
  • the data of RHLR and the HLRs in the networks of operator / consortium B or C are constantly updated.
  • the RHLR is integrated in the PLMN A so that some or all of the calls to subscribers from Home PLMN B are routed via the RHLR.
  • the RHLR also has a connection to Home PLMN B so that the subscriber data can be updated continuously. This variant is shown in FIG. 4 "Direct connection of the RHLR to the PLMN A".
  • the MSR of PLMN A addresses the RHLR directly [Fig. 4 (1)].
  • the same protocols [Mobile Application Part (MAP) via Transactions Capabilities Application Part (TCAP)] are used as for a request to an HLR of the PLMN A.
  • the connection can be established using the Signaling protocol between switching centers (ISDN user part) to subscriber B are continued [Fig. 4 (2)].
  • the RHLR thus appears as an HLR of the PLMN A, although it manages subscriber data from Home PLMN B and / or Home PLMN C. Corresponding agreements must be possible with the network operator of the PLMN A
  • a switching computer (remote switch) is integrated together with the RHLR like a terminal in the PLMN A, see FIG. 5 "Connection of RHLR and remote switch as terminal".
  • the switching computer then initiates a connection to the gateway MSC of the network in which the B subscriber is located is currently [Fig. 5 (3)]. If the connection establishment is successful, the switching computer connects the connection between the A subscriber and the B subscriber.
  • the special feature of Remote Switch together with RHLR which is the actual goal for the connection establishment, is that the RHLR is requested via a network access protocol to establish a further connection, for which a signaling protocol between switching centers is used.
  • This configuration has the decisive advantage that it is less dependent on the accommodation of the PLMN A network operator. It is sufficient to subscribe to a service that forwards all calls with + country code mobile operator code or + mobile operator code to a specific end device - the switching computer with RHLR. If this is also not possible, you can subscribe to a value-added service (such as shared cost or premium rate) that does the necessary translation of the number.
  • a value-added service such as shared cost or premium rate
  • Performance feature of cellular radio networks which ensures the accessibility of activated mobile stations regardless of location in all radio cells of the entire coverage area of a network;
  • roaming can also extend over similar networks of different network operators, such as international roaming in the pan-European and American GSM system.
  • Gateway MSC GMSC is responsible for the connection to and from external networks.
  • the GMSC takes care of route control from the external network to the current VLR of the subscriber searched for in mobile terminated (MT) processes such as MT call (MTC), data transmission service or short message service.
  • MT mobile terminated
  • the gateway functions are usually housed in certain MSCs.
  • the selection of which of the MSCs in the GSM PLMN as access mobile switching centers can be used by the network operator.
  • the GMSC functions can be implemented in all MSCS.

Landscapes

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

Abstract

Des accords d'itinérance garantissent que les abonnés de différents exploitants de réseau de téléphonie mobile peuvent se joindre mutuellement. A l'heure actuelle, une communication est exclusivement établie par l'intermédiaire du réseau auquel l'appelé est lié par contrat (réseau d'attache), même si cela exige de suivre des itinéraires à la fois coûteux et très longs. La présente invention concerne un procédé qui assure l'établissement d'une communication directement avec l'appelé dans le réseau où il se trouve momentanément. A cet effet, les données actualisées de l'abonné sont interrogées dans le registre de localisation des clients locaux (Home Location Register) du réseau d'attache et mises en mémoire dans un registre intégré supplémentaire de localisation des clients locaux à distance (Remote Home Location Register) pour établir la communication. La transmission de l'appel, en fonction de la configuration, est assurée par le réseau ou par un ordinateur de commutation, qui est accessible comme un terminal, à l'aide du Remote Home Location Register et par l'intermédiaire du réseau de l'appelant. En composant un indicatif avant le numéro d'appel, l'appelant décide de faire établir la communication par l'intermédiaire du Remote Home Location Register, et, s'il compose l'indicatif de l'exploitant du réseau d'attache avant le numéro d'appel, la voie de communication moins onéreuse est automatiquement empruntée.
PCT/EP2001/000219 2000-02-09 2001-01-10 Procede pour optimiser l'itinerance dans des reseaux de telephonie mobile WO2001060099A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10006819.7 2000-02-09
DE2000106819 DE10006819A1 (de) 2000-02-09 2000-02-09 Verfahren zur Optimierung des Roaming im Mobilfunknetzen

Publications (1)

Publication Number Publication Date
WO2001060099A1 true WO2001060099A1 (fr) 2001-08-16

Family

ID=7631045

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000219 WO2001060099A1 (fr) 2000-02-09 2001-01-10 Procede pour optimiser l'itinerance dans des reseaux de telephonie mobile

Country Status (2)

Country Link
DE (1) DE10006819A1 (fr)
WO (1) WO2001060099A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009056675A1 (fr) * 2007-10-30 2009-05-07 Teliasonera Ab Procédé et dispositif d'optimisation dans des réseaux de communication
US7613454B2 (en) 2002-07-08 2009-11-03 Huawei Technologies Co., Ltd. Network and method of realizing local roaming for subscribers

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ743400A0 (en) * 2000-05-11 2000-06-01 Telefonaktiebolaget Lm Ericsson (Publ) A method and device for optimal routing in a telecommunication network
GB2379135A (en) * 2001-08-23 2003-02-26 Patson Anius Method and system for routing calls to a mobile telecommunications device
DE10256601A1 (de) * 2002-12-03 2004-07-08 Linz, Joachim, Dipl.-Phys. Optimiertes Routing zu international roamenden Mobilfunkteilnehmern ohne besondere Kooperation der Netze
DE10312759B4 (de) * 2003-03-21 2005-06-23 Linz, Joachim, Dipl.-Phys. Direktes Routing zu international roamendem Mobilfunkteilnehmer mit Hilfe des Heimatnetzes
DE102006047853A1 (de) * 2006-10-10 2008-04-17 Giesecke & Devrient Gmbh Mobilfunkverbindung in einem Gastnetz

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037069A2 (fr) * 1980-03-28 1981-10-07 Siemens Aktiengesellschaft Réseau radio mobile avec dispositifs pour localiser des abonnés radio mobile étrangers
US5878348A (en) * 1996-05-30 1999-03-02 Telefonaktiebolaget Lm Ericsson (Publ) System and method for implementing multiple home location registers for a single mobile station in a cellular telecommunications network
US6006094A (en) * 1994-12-23 1999-12-21 Nokia Telecommunications Oy Method of routing an international call to a foreign mobile subscriber

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
DE4427072C1 (de) * 1994-08-01 1996-02-22 Deutsche Telekom Mobil Einrichtung zur Rufweiterleitung von einem ersten Kommunikationsnetz in ein zweites räumlich entferntes Kommunikationsnetz
DE19515418C2 (de) * 1995-04-26 1999-05-06 Siemens Ag Verfahren und Anordnung zum Rufen einer Mobilstation
DE19805261C2 (de) * 1998-02-10 2001-09-13 Deutsche Telekom Mobil Verfahren zur Erkennung einer Internationalen Roaming-Beziehung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037069A2 (fr) * 1980-03-28 1981-10-07 Siemens Aktiengesellschaft Réseau radio mobile avec dispositifs pour localiser des abonnés radio mobile étrangers
US6006094A (en) * 1994-12-23 1999-12-21 Nokia Telecommunications Oy Method of routing an international call to a foreign mobile subscriber
US5878348A (en) * 1996-05-30 1999-03-02 Telefonaktiebolaget Lm Ericsson (Publ) System and method for implementing multiple home location registers for a single mobile station in a cellular telecommunications network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7613454B2 (en) 2002-07-08 2009-11-03 Huawei Technologies Co., Ltd. Network and method of realizing local roaming for subscribers
WO2009056675A1 (fr) * 2007-10-30 2009-05-07 Teliasonera Ab Procédé et dispositif d'optimisation dans des réseaux de communication
US9226132B2 (en) 2007-10-30 2015-12-29 Teliasonera Ab Optimisation method and device in communication networks

Also Published As

Publication number Publication date
DE10006819A1 (de) 2001-08-16

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