WO2003075592A1 - Procede d'interoperabilite de signalisation entre reseaux gsm et amcr - Google Patents

Procede d'interoperabilite de signalisation entre reseaux gsm et amcr Download PDF

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Publication number
WO2003075592A1
WO2003075592A1 PCT/CN2002/000514 CN0200514W WO03075592A1 WO 2003075592 A1 WO2003075592 A1 WO 2003075592A1 CN 0200514 W CN0200514 W CN 0200514W WO 03075592 A1 WO03075592 A1 WO 03075592A1
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WO
WIPO (PCT)
Prior art keywords
hlr
gsm
network
cdma
roaming
Prior art date
Application number
PCT/CN2002/000514
Other languages
English (en)
Chinese (zh)
Inventor
Jincheng Wang
Guangbin Meng
Hao Ding
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to AU2002323778A priority Critical patent/AU2002323778A1/en
Publication of WO2003075592A1 publication Critical patent/WO2003075592A1/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
    • H04W8/08—Mobility data transfer
    • H04W8/12—Mobility data transfer between location registers or mobility servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/24—Interfaces between hierarchically similar devices between backbone network devices

Definitions

  • the present invention relates to mobile communication technology, and in particular, to a method for implementing interworking between GSM (Global System for Mobile Communications) and CDMA (Code Division Multiple Access Mobile Communication System) network signaling. Background technique
  • the GSM network which is dominant in the mobile communication field, and the CDMA network that is gradually emerging are relatively independent, that is, users of the GSM network cannot enjoy the services provided by CDMA, and users of the CDMA network cannot enjoy the services provided by GSM.
  • the mobile phone can support both CDMA and GSM standards, and can choose CDMA or GSM functions according to the current network standard.
  • the core component of the dual-mode SIM (identity identification module) card is already complete. s solution.
  • I IF is responsible for converting CDMA message instructions into GSM instructions and submitting them to GSM-HLR (Home Location Register of GSM Network) for processing.
  • GSM-HLR Home Location Register of GSM Network
  • GSM-HLR Home Location Register of GSM Network
  • the I IF system functions as a CDMA-HLR (Home Location Register of the CDMA network) for mobile users, and as a mobile switching center and virtual home location register for GMS-HLR.
  • the above method is to perform complex signaling translation through IIF, so that mobile users can achieve dual-network roaming using only one set of data in GSM subscription data or CDMA subscription data.
  • this solution has initially solved the unidirectional roaming problem of CDMA to GSM, but it also has the following disadvantages:
  • An object of the present invention is to provide a method for implementing signaling interworking by establishing an internal communication mechanism between a GSM and a home location register of a CDMA network.
  • the technical solution adopted by the present invention is: A method for realizing interworking between GSM and CDMA network signaling.
  • GSM-HLR home location register
  • CDMA-HLR home location register
  • a network connection For mobile phone users who support dual mode, one contract data is saved in each of the GSM-HLR and CDMA-HLR, and the mobile user numbers in the two contract data are forwarded numbers to each other;
  • a dynamic identification bit for identifying the attributes of the user's current area and a record of the user's forwarding in the other's network are added. Forward the number field of the number, and increase the configuration of the other party ’s network data in the network nodes of the entire network; then add the internal communication protocol and dynamic identification in the MAP signaling processing flow of the internal mobile application part of the GSM-HLR and CDMA-HLR Bit processing, including:
  • the mobile service is exchanged according to the normal process
  • the roaming number returned by the central MSC is fed back to the gateway mobile switching center GMSC. If the network is a secondary network, the mobile subscriber number of the main network recorded in the forwarded number domain is fed back to the GMSC by taking the called location response message.
  • the implementation in the network requires no additional network entities in addition to the necessary gateway equipment.
  • it does not perform complicated signaling conversion, maintains the existing CDMA and GSM signaling protocols, and is easy to implement. It can widely support most user services and partially support data services after cross-network.
  • FIG. 1 is a schematic diagram of the overall scheme of the method of the present invention
  • FIG. 2 is a schematic diagram of a location registration process in the method of the present invention.
  • FIG. 3 is a schematic diagram of a mobile station cross-network called process in a specific embodiment of the method of the present invention
  • the core of the present invention and the core is to establish a network connection between the home location register GSM-HLR of the GSM network and the home location register CDMA-HLR of the CDMA network.
  • the GSM-HLR and CDMA-HLR stores one contract data each, and the mobile subscriber numbers in the two contract data are forward numbers to each other; the essence of this method is to establish both GSM- HLR and CDMA- HLR functions through physical channels and internal communication mechanisms.
  • the virtual HLR while the hardware system of each HLR and its respective signaling point code remain unchanged.
  • the interface of the virtual HLR to the GSM network still follows the GSM standard signaling, and the interface to the C Band A network also follows the CDMA standard signaling.
  • a dedicated line mode should be adopted to establish a network connection between GSM-HLR and CDMA-HLR.
  • the transmission rate should be selected to be more than 2M bytes per second.
  • an internal communication protocol between GSM- HLR and CDMA-HLR is formulated for mobile phone users when roaming across the network, and dynamics of attributes that identify the user's current area are added to the user contract data of both HLRs.
  • the identification bit and the forwarding number field used to record the user's forwarding number in the other party's network, and the configuration of the other party's network data is added to the entire network node, such as The mobile return center MSC shown in FIG.
  • the processing of the flags includes:
  • the mobile service is exchanged according to the normal process
  • the roaming number returned by the central MSC is fed back to the gateway mobile switching center GMSC. If the network is a secondary network, the mobile subscriber number of the main network recorded in the forwarded number domain is fed back to the GMSC by taking the called location response message.
  • the internal communication protocol between the GSM-HLR and the CDMA-HLR includes a roaming status notification message and its response message, a callee location notification message and its response message.
  • the GSM-HLR internal MAP signaling processing flow includes:
  • the GSM-HLR receives a location registration request initiated by a dual-network roaming mobile phone through the GSM network mobile switching center GSM-MSC, it records the current roaming location, and then records the user's roaming status on the GSM network to dynamic And sends a roaming status notification message to the CDMA-HLR to notify the CDMA-HLR that the user is currently roaming in the GSM-HLR; after receiving the CDMA-HLR roaming status response message, it serves the MSC to the mobile phone location Issue contracting information;
  • the GSM-HLR After the GSM-HLR receives the roaming status notification message from the CDMA-HLR, it records the user's roaming status into the dynamic identification bit according to the roaming status parameter in the message, and then reports to the CA- HLR feedback roaming status response message; 3) The process of obtaining the called location information: After receiving the message of obtaining the called location sent by the GMSC, the GSM-HLR judges the roaming status parameters in the HLR. If the user is currently on the GSM network, it sends the message to the serving MSC where the called party is located. Get roaming number instruction.
  • the GSM-HLR After the GSM-HLR receives the temporary number of the GSM user fed back by the serving MSC, it sends it back to the GMSC by taking the called location response message. If the user is currently in the CDMA network, the CDMA mobile user recorded in the forwarding number field The number is fed back to the GMSC by taking the called location response message;
  • the CDMA-HLR internal MAP signaling processing flow includes:
  • the CDMA-HLR When the CDMA-HLR receives a location registration request initiated by a dual-network roaming mobile phone through the CDMA network's mobile switching center CDMA-MSC, it records the current roaming location, and then records the user's roaming status in the CDMA network to dynamic And send a roaming status notification message to the GSM-HLR to notify the GSM-HLR that the user is currently roaming in the CDMA-HLR; after receiving the roaming status response message from the GSM-HLR, the service is provided to the mobile phone location MSC issues contract information;
  • the CDMA-HLR judges the roaming status parameters in the HLR. If the user is currently in the CDMA network, the response is obtained by obtaining the called location response message. To the GMSC; if the user is currently on the GSM network, the GSM mobile user number recorded in the forwarded number field is fed back to the GMSC by taking a called location response message.
  • Step 1 The user initiates a CDMA standard location registration request with a CDMA-IMSI (International Mobile Subscriber Identity) to a virtual HLR constructed by GSM-HLR and CDMA-HLR;
  • CDMA-IMSI International Mobile Subscriber Identity
  • Step 2 The virtual HLR uses the CDMA-HLR to receive the location request message, and notifies the GSM-HLR to cancel the location through an internal message;
  • Step 3 After the GSM-HLR receives the internal status notification signaling, the MSC and VLR send a standard GSM location cancellation message;
  • Step 4 feedback the execution result of the location cancellation message according to the standard GSM signaling;
  • step 5 the GSM-HLR feeds back the status execution result to the CDMA-HLR;
  • Step 6 The CDMA-HLR issues a list of service items in the CDMA standard signaling format.
  • the specific application of this embodiment is described below with reference to the called process after the mobile user crosses the network shown in FIG. 3, in which mobile station 1 calls mobile station 2 with the GSM mobile subscriber number of mobile station 2 on the GSM network. At this time, the mobile station 2 Roam to the CDMA network.
  • Step 11 After the mobile station 1 initiates a call on the GSM network with the GSM mobile subscriber number of the mobile station 2, the GSM-MSC initiates a standard GSM route acquisition instruction to the GSM-HLR in the home HLR of the mobile station 2.
  • Step 12 The GSM-HLR first judges that the user is not in the GSM service area but in the CDMA service area through the roaming status flag, and then submits the user's CDMA mobile user number to the GSM-HLR as a forward number;
  • Step 13 The GSM-MSC determines that the forwarded number is a CDMA number, and then connects the voice channel to the gateway MSC;
  • Step 14 After the CDMA gateway MSC analyzes, according to the standard CDMA process, initiate a location acquisition message to the mobile station 2's home HLR; Step 15: The CDMA-HLR sends a route acquisition instruction to the serving MSC of the mobile station 2; Step 16: The serving MS C of the mobile station 2 returns the roaming number in the C DM A format to the CDMA-HLR;
  • Step 17 The CDMA-HLR feeds back the roaming number in the CDMA format to the gateway MSC;
  • Step 18 The gateway MSC establishes a route to the CDMA-MSC according to the roaming number in the CDMA format;
  • the mobile subscriber number of the secondary network can also be used as the forward number of the primary network.

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

Abstract

L'invention porte sur un procédé de réalisation d'interopérabilité de la signalisation entre des réseaux GSM et AMCR. On établit d'abord une connexion de réseau entre le HLR du GSM (GSM-HLR) et celui de l'AMCR (AMCR-GSM). Pour les abonnés mobiles fonctionnant en mode double, les informations d'abonnement sont stockées séparément dans les HLR des deux côtés, et la configuration des données de réseau de l'autre côté s'ajoute aux noeuds de réseau des deux réseaux. De plus, un protocole intérieur de communication s'établit entre le GSM-HLR et le AMCR-GSM lorsque les utilisateurs mobiles se déplacent d'un réseau à l'autre. On ne requiert pas d'entité additionnelle sauf pour les dispositifs passerelles nécessaires à l'utilisation du procédé, mais on ne nécessite pas de conversion complexe de signalisation. La mise en oeuvre du procédé n'est pas difficile. Le procédé est largement compatible avec la plupart des services d'abonnés et partiellement avec les services de données de l'autre réseau.
PCT/CN2002/000514 2002-03-01 2002-07-23 Procede d'interoperabilite de signalisation entre reseaux gsm et amcr WO2003075592A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002323778A AU2002323778A1 (en) 2002-03-01 2002-07-23 Method for signalling interworking between gsm and cdma networks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02104295.0 2002-03-01
CN 02104295 CN1199514C (zh) 2002-03-01 2002-03-01 一种实现gsm与cdma网络信令互通的方法

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WO2003075592A1 true WO2003075592A1 (fr) 2003-09-12

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AU (1) AU2002323778A1 (fr)
WO (1) WO2003075592A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1303830C (zh) * 2004-03-10 2007-03-07 中国联合通信有限公司 移动通信网络的位置信息登记取消方法及装置
CN1968428B (zh) 2006-04-26 2010-07-07 华为技术有限公司 Cdma智能网系统及其实现国际漫游业务的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1177261A (zh) * 1996-09-04 1998-03-25 环球星有限合伙人公司 自动卫星/地面移动终端漫游系统和方法
CN1214844A (zh) * 1996-02-23 1999-04-21 夸尔柯姆股份有限公司 共存gsm和cdma无线通信网
WO2000042808A1 (fr) * 1999-01-14 2000-07-20 Ericsson, Inc. Radiodiffusion d'informations de canal de commande de systeme cellulaire a deux generations via un canal de commande a trois generations afin de permettre l'itinerance et le transfert entre cellules a destination de reseaux a deux generations
US6138007A (en) * 1997-11-26 2000-10-24 Nortel Networks Corporation Methods and systems for late call forwarding when roaming from GSM system to IS41 system
WO2000079804A2 (fr) * 1999-06-18 2000-12-28 Nortel Networks Limited Procede, appareil et systeme de reacheminement d'appels en itinerance entre deux types de reseau dans un systeme de communication
EP1091532A2 (fr) * 1999-10-04 2001-04-11 Microsoft Corporation Système et procédé souple pour la communication parmi des réseaux et dispositifs très divers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1214844A (zh) * 1996-02-23 1999-04-21 夸尔柯姆股份有限公司 共存gsm和cdma无线通信网
CN1177261A (zh) * 1996-09-04 1998-03-25 环球星有限合伙人公司 自动卫星/地面移动终端漫游系统和方法
US6138007A (en) * 1997-11-26 2000-10-24 Nortel Networks Corporation Methods and systems for late call forwarding when roaming from GSM system to IS41 system
WO2000042808A1 (fr) * 1999-01-14 2000-07-20 Ericsson, Inc. Radiodiffusion d'informations de canal de commande de systeme cellulaire a deux generations via un canal de commande a trois generations afin de permettre l'itinerance et le transfert entre cellules a destination de reseaux a deux generations
WO2000079804A2 (fr) * 1999-06-18 2000-12-28 Nortel Networks Limited Procede, appareil et systeme de reacheminement d'appels en itinerance entre deux types de reseau dans un systeme de communication
EP1091532A2 (fr) * 1999-10-04 2001-04-11 Microsoft Corporation Système et procédé souple pour la communication parmi des réseaux et dispositifs très divers

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AU2002323778A1 (en) 2003-09-16
CN1443016A (zh) 2003-09-17
CN1199514C (zh) 2005-04-27

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