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WO2012031393A1 - Procédé et système de radiomessagerie basée imsi - Google Patents

Procédé et système de radiomessagerie basée imsi Download PDF

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Publication number
WO2012031393A1
WO2012031393A1 PCT/CN2010/076737 CN2010076737W WO2012031393A1 WO 2012031393 A1 WO2012031393 A1 WO 2012031393A1 CN 2010076737 W CN2010076737 W CN 2010076737W WO 2012031393 A1 WO2012031393 A1 WO 2012031393A1
Authority
WO
WIPO (PCT)
Prior art keywords
imsi
paging
msc
rnc
message
Prior art date
Application number
PCT/CN2010/076737
Other languages
English (en)
Chinese (zh)
Inventor
余波
史莉荣
王本刚
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to PCT/CN2010/076737 priority Critical patent/WO2012031393A1/fr
Publication of WO2012031393A1 publication Critical patent/WO2012031393A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention relates to a paging technology of a Universal Mobile Telecommunications System (UMTS), and more particularly to a paging method and system based on an International Mobile Subscriber Identity (IMSI).
  • UMTS Universal Mobile Telecommunications System
  • IMSI International Mobile Subscriber Identity
  • a Radio Network Controller can connect to multiple Mobile Switching Centers (MSCs) at the same time.
  • MSCs Mobile Switching Centers
  • TMSI Temporary Mobile Subscriber Identity
  • the CS domain called UE will use the IMSI paging, and the RNC needs to route the initial direct transmission message of the called UE to the MSC that initiates the paging.
  • TMSI Temporary Mobile Subscriber Identity
  • the RNC needs to route the initial direct transmission message of the called UE to the MSC that initiates the paging.
  • the RNC routes the initial direct transmission message of the called UE to the MSC that does not initiate paging, paging failure will result.
  • the method for selecting the MSC by the RNC described in the 3GPP, 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) protocol is as follows: First, the MSC registered by the UE sends an IMSI paging message and carries itself.
  • the global core network identifier (Global CN ID) and the IMSI of the paged UE receives and stores the Global CN ID of the MSC and the IMSI of the paged UE; and then, after receiving the paging message, the UE is in the cause
  • the initial direct transfer message with the value of the paging response carries the intra-domain non-access stratum node selection (IDN S, Intra Domain NAS Node Selector) cell, and in this cell, indicates that the IMSI paging is used.
  • IDN S Intra Domain NAS Node Selector
  • the way, and the routing parameter are calculated by taking IMSI as a natural number in decimal, dividing by 10, and then using 1000 (Decimal To Binary [(IMSI div 10) mod 1000] ); Finally, RNC from the initial direct message IDNNS
  • the cell is known as the IMSI paging mode.
  • the routing parameters corresponding to the previously stored IMSI are calculated, and the corresponding relationship between the routing parameters and the previously saved Global CN ID is obtained, and then the calculated route is obtained.
  • this method may calculate the same routing parameters for the IMSIs of different UEs, so that the RNC cannot accurately find the Global CN ID of the MSC that initiated the paging, thereby causing the paging failure. Therefore, the method may easily lead to paging failure, The call success rate is low.
  • the UE-1 of IMSI 206201010000270 is currently registered in MSC-1
  • the UE-2 of IMSI 206201011000271 is registered in MSC-5
  • the IMSI is 206201010300275.
  • the UE 3 is registered at MSC-6.
  • the core network simultaneously initiates the IMSI paging for the three UEs.
  • the UE-1, the UE-2, and the UE-3 obtain the respective routing parameters according to the foregoing routing parameter calculation method, and the routing parameters are all 27, and then the initial direct transmission message is sent. Carry as the routing parameter.
  • the RNC calculates the routing parameters of the route parameters in the initial direct transmission message, and also calculates the routing parameters of all three. Therefore, since the routing parameters are all 27, the RNC cannot match according to the routing parameters.
  • the MSCs respectively registered by the UE-1, the UE2, and the UE3 are located, and the initial direct transmission message reported by the UE-1, UE2, and UE3 cannot be sent to the MSC that initiates the paging, which ultimately leads to subsequent paging. s failure. Summary of the invention
  • the main object of the present invention is to provide an IMSI-based paging method and system to solve the problem of low success rate of the existing IMSI paging method.
  • the present invention provides a paging method based on an international mobile subscriber identity IMSI, the method The method includes: the radio network controller RNC receives the IMSI sent by the paging user equipment UE, and according to the received IMSI, and the corresponding relationship between the IMSI and the mobile switching center MSC identifier that is saved, the initial The message is sent to the MSC that initiated the page.
  • the radio network controller RNC receives the IMSI sent by the paging user equipment UE, and according to the received IMSI, and the corresponding relationship between the IMSI and the mobile switching center MSC identifier that is saved, the initial The message is sent to the MSC that initiated the page.
  • the initial direct transmission message sent by the UE is sent to the MSC that initiates paging according to the received IMSI and the corresponding relationship between the IMSI and the MSC identity that is saved by the UE, and the RNC is in the RNC.
  • the IMSI that is the same as the IMSI sent by the UE is found, and the MSC identifier corresponding to the IMSI is found, and the initial sent by the UE is sent according to the found MSC identifier.
  • a message is sent to the MSC that initiated the paging.
  • the method before the RNC receives the IMSI sent by the paging UE, the method further includes: the MSC initiating a paging, and sending, to the RNC, a page that carries the own identity and the IMSI of the paged UE.
  • the RNC receives the paging message, and saves the correspondence between the MSC identifier carried in the paging message and the IMSI of the paged UE.
  • the method before the RNC receives the IMSI sent by the paging UE, the method further includes: the UE carrying its own IMSI in an RRC connection request message, and sending the message to the RNC.
  • the UE carries its own IMSI in the RRC connection request message, and is: selecting the initial UE identifier carried in the RRC connection request message as IMSI.
  • the method further includes: configuring, in the priority level of the initial UE identifier in the RRC connection request message, the following information: The current TMSI is unavailable.
  • the reason for initiating the RRC connection request is the paging response of the CS domain, and when the paging mode is IMSI paging, the IMSI is selected.
  • the method before the RNC receives the IMSI sent by the paging UE, the method further includes: the UE carrying the IMSI of the UE in the initial direct transmission message, and sending the IMSI to the RNC.
  • the UE carries its own IMSI in the initial direct transmission message, specifically: the UE sets the mobile identity of the CM service request requested by the NAS layer message connection management service in the initial direct transmission message. For IMSI.
  • the present invention also provides an IMSI-based paging system, the system comprising: an MSC that initiates paging, an RNC, and a paged UE, wherein the RNC includes a receiving unit and a sending unit, and the receiving unit is configured to receive An IMSI sent by the paging UE, configured to: send, according to the IMSI received by the receiving unit, and the corresponding relationship between the saved IMSI and the MSC identity, the initial direct transmission message sent by the paging UE to the initiator Called MSC.
  • the paged UE is specifically configured to carry its own IMSI in an RRC connection request message and send the message to the RNC; or, carry the IMSI in the initial direct transmission message and send it to the Said RNC.
  • the MSC that initiates the paging is specifically configured to: initiate a paging, and send, to the RNC, a paging message that carries the own identifier and the IMSI of the paged UE; the RNC further includes: a storage unit And configured to receive a paging message sent by the MSC, and save a correspondence between the MSC identifier carried by the paging message and an IMSI of the paged UE.
  • the sending unit is specifically configured to: in the corresponding relationship between the IMSI and the MSC identity that is saved by the storage unit, find an IMSI that is the same as the IMSI received by the receiving unit, and then find the IMSI And corresponding to the MSC identifier, the initial direct transmission message sent by the UE is sent to the MSC according to the found MSC identifier.
  • the IMSI-based paging method and system provided by the present invention finds the MSC identity of the originating paging MSC by matching the IMSI of the UE with the IMSI in the paging message, so that the RNC can according to the found MSC identity,
  • the initial direct transmission message sent by the UE is accurately transmitted to the MSC that initiates the paging.
  • the routing parameters are not calculated, and the MSC that initiates the paging is directly found according to the IMSI of the UE, which can effectively improve the success rate of the IMSI paging when the Iu flex is configured.
  • the time of IMSI paging can be saved.
  • FIG. 1 is a schematic structural diagram of a composition of an IMSI-based paging system according to the present invention
  • FIG. 2 is a schematic diagram of interaction of a paging process according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of interaction of a paging process according to Embodiment 2 of the present invention. detailed description
  • An IMSI-based paging method is applicable to a network configured by an Iu Flex, and mainly includes the following process:
  • the RNC receives the IMSI transmitted by the paging UE, and according to the received IMSI, and the IMSI and the MSC that have been saved by itself. Corresponding relationship of the identifier, sending the initial direct transmission message sent by the paging UE to the MSC that initiated the paging.
  • the initial direct transmission message sent by the UE is sent to the MSC that initiates paging according to the received IMSI and the corresponding relationship between the IMSI and the MSC identity that is saved by itself, specifically: the RIMS has saved the IMSI in itself.
  • the IMSI that is the same as the IMSI sent by the UE is found, and the MSC identity corresponding to the IMSI is found, and the initial direct transmission message sent by the UE is sent to the MSC identity according to the found MSC identity.
  • the MSC that initiated the paging is sent to the MSC that initiates paging according to the received IMSI and the corresponding relationship between the IMSI and the MSC identity that is saved by itself.
  • the method further includes: the MSC initiating paging, and sending, to the RNC, a paging message that carries the identity of the UE and the IMSI of the paged UE, where the RNC receives the paging message.
  • the paging message is saved, and the correspondence between the identifier of the MSC and the IMSI of the paged UE is saved.
  • the MSC identifies a Global CN ID that is specifically an MSC.
  • the method may further include: the UE carries its own IMSI in the initial direct transmission message, and sends the IMSI to the RNC.
  • the UE carries its own IMSI in the initial direct transmission message, which may be: the UE will use the mobile identity of the NAS layer message connection management service request (CM service request) in the initial direct transmission message (Mobile Identity) ) set to IMSI.
  • CM service request the mobile identity of the NAS layer message connection management service request
  • Mobile Identity Mobile Identity
  • the method may further include: the UE carries its own IMSI in an RRC CONNECTION REQUEST message, and sends the message to the RNC. .
  • the UE carries its own IMSI in the RRC connection request message, specifically: selecting an initial UE identity carried in the RRC connection request message as IMSI.
  • the method further includes: configuring the following information in the priority level of the initial UE identifier in the RRC connection request message: If the current TMSI is currently selected in the RRC connection request message, the method further includes: Unavailable.
  • the reason for initiating the RRC connection request is the paging response of the CS domain, and when the paging mode is IMSI paging, the IMSI is selected.
  • the priority level of the UE carrying the initial UE identifier in the RRC connection request message is specifically: if the TMSI (Global System for Mobile Communications - Mobile Application Part) ) )), select TMSI ( GSM-MAP ); if P-TMSI ( GSM-MAP ) is available, select P-TMSI ( GSM-MAP ); if IMSI ( GSM-MAP ) is available, select IMSI ( GSM- MAP ); If none of the above is true, then select International Mobile Equipment Identity (IMEI).
  • TMSI Global System for Mobile Communications - Mobile Application Part
  • the priority level of the UE carrying the initial UE identifier in the RRC connection request message is modified as follows: if TMSI ( ) is available, TMSI ( GSM-MAP ) is selected; if the reason for initiating the RRC connection request is the search of the CS domain When responding, and the paging mode is IMSI paging, IMSI (GSM-MAP) is selected; if P-TMSI (GSM-MAP) is available, P-TMSI (GSM-MAP) is selected; if IMSI (GSM-MAP) If available, select IMSI (GSM-MAP); if none of the above is true, select IMEI.
  • the method may further include: sending, by the UE, the reason to the RNC The value is the initial direct transmission message of the paging response, and carries the means for indicating the use of the IMSI paging mode.
  • the IDN S cell may further include the following content:
  • the calculation method of the routing parameter is to divide the IMSI number into a natural number in decimal, divide by 10, and then use 1000 to reserve. This is prior art and will not be described in detail.
  • the present invention also provides an IMSI-based paging system.
  • the system includes: an MSC-11, a RNC-12, and a paged UE-13, which initiate paging.
  • the RNC-12 includes a receiving unit 121 and a transmitting unit 122.
  • the receiving unit 121 is configured to receive the IMSI transmitted by the paging UE-13
  • the sending unit 122 is configured to receive the IMSI according to the receiving unit 121, and the saved
  • the mapping between the IMSI and the MSC identity sends the initial direct transmission message sent by the paging UE to the MSC-11 that initiated the paging.
  • the paged UE 13 is specifically configured to carry its own IMSI in an RRC connection request message and send it to the RNC-12; or, carry its own IMSI in the initial direct message and send the message to the RNC-12.
  • the MSC 11 that initiates paging is specifically configured to initiate paging, and send a paging message to the RNC-12 that carries the IMSI with its own identity and the paged UE-13; the RNC 12 further includes: The unit 123 is configured to receive a paging message sent by the MSC-11, and save a correspondence between the MSC identifier carried by the paging message and the IMSI of the paged UE-13.
  • the sending unit 122 is specifically configured to: in the corresponding relationship between the IMSI and the MSC identity that is saved by the storage unit 123, find the same IMSI as the IMSI received by the receiving unit 121, and then find the MSC corresponding to the IMSI. Identifying, the MSC identity found by the residence, and sending the initial direct transmission message sent by the UE-13 to the MSC-11.
  • the IMSI-based paging method in this embodiment may specifically include the following processes: Step 201: The MSC initiates paging, and sends a Global CN ID carrying its own and a CS domain paging message of the IMSI of the paged UE.
  • Step 202 The RNC receives the paging message, saves the Global CN ID of the MSC carried therein, the IMSI of the paged UE, and the corresponding relationship between the two, and transparently transmits the paging message to the paged UE;
  • Step 203 The paging UE receives the paging message.
  • the paging message determines that the paging mode of the paging is an IMSI paging
  • the UE is in an RRC connection request.
  • the message carries the initial UE identifier as the IMSI, and the RNC saves the IMSI of the paged UE carried therein after receiving the RRC connection request message.
  • Steps 204-206 interaction between the UE and the RNC, and between the RNC and the NodeB, complete
  • Step 207 The UE sends an initial direct transmission message whose cause value is a paging response, where the initial direct transmission message carries an IDNNS cell, indicating that the IMSI mode is used, and the calculation method of the routing parameter is to treat the IMSI as a natural number in decimal After dividing by 10, use 1000 more;
  • Step 208 The RNC receives the initial direct transmission message sent by the UE, and the IDNNS routing mode is the IMSI mode.
  • the IMSI carried in the RRC connection request message with the UE is found.
  • the same IMSI and finds the Global CN ID corresponding to the IMSI, and sends the initial direct transmission message to the MSC identified by the Global CN ID, that is, the MSC that initiated the paging, and the paging succeeds, after which the UE can Routing its own communication data to the MSC based on the Global CN ID found.
  • the IMSI-based paging method in this embodiment specifically includes the following processes: Steps 301-302: The same as steps 201-202;
  • Steps 303-306 The same as steps 203-206, except that the initial UE identifier carried by the UE in the RRC connection request message may not be the IMSI, and the packet temporary identifier (PTMSI, Packet) When the TMSI exists, the initial UE identifier carried in the message may be selected as PTMSI;
  • Step 307 The UE sets the mobile identifier of the NAS layer message CM service request in the initial direct transmission message whose cause value is the paging response to the IMSI, and Sending the initial direct transmission message to the RNC, carrying the IDN S cell, indicating that the IMSI method and the calculation method of the routing parameter are the natural number of the IMSI as a decimal number, and after dividing by 10, the remaining 1000 is used;
  • Step 308 The IDNNS routing mode is the IMSI mode, and the RNC searches for the mobile identity of the NAS layer message CM service request in the initial direct transmission message in the corresponding relationship between the saved IMSI and the Global CN ID.
  • IMSI is the same IMSI, and finds the Global CN ID corresponding to the IMSI, and sends the initial direct transmission message to the MSC identified by the found Global CN ID, that is, the MSC that initiated the paging, the paging succeeds, and then the UE It is possible to route its own communication data to the MSC based on the Global CN ID found.

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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

La présente invention se rapporte à un procédé de radiomessagerie basée IMSI. Le procédé selon l'invention comprend les étapes suivantes : un contrôleur de réseau radio (RNC, Radio Network Controller) reçoit l'identité internationale d'abonné mobile (IMSI, International Mobile Subscriber Identity) qui est transmise par un équipement d'utilisateur (UE, User Equipment) contacté par radiomessagerie ; et, sur la base de l'IMSI reçue et de la relation correspondante entre l'IMSI, qui est enregistrée dans le RNC lui-même, et l'ID du MSC, le RNC envoie le transfert direct initial, qui est transmis par l'UE contacté par radiomessagerie, au centre de commutation de communications mobiles (MSC, Mobile Switching Center) qui initie l'appel par radiomessagerie. La présente invention se rapporte d'autre part à un système de radiomessagerie basée IMSI. Grâce à la solution technique de la présente invention, au lieu de calculer des paramètres de routage, le MSC qui initie un appel par radiomessagerie peut être trouvé directement sur la base de l'IMSI de l'UE. Grâce à cette solution également, le taux de succès d'appels par radiomessagerie basée IMSI est considérablement amélioré dans le cadre d'une configuration Iu flexible et le temps nécessaire à des appels par radiomessagerie basée IMSI est considérablement réduit.
PCT/CN2010/076737 2010-09-08 2010-09-08 Procédé et système de radiomessagerie basée imsi WO2012031393A1 (fr)

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PCT/CN2010/076737 WO2012031393A1 (fr) 2010-09-08 2010-09-08 Procédé et système de radiomessagerie basée imsi

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PCT/CN2010/076737 WO2012031393A1 (fr) 2010-09-08 2010-09-08 Procédé et système de radiomessagerie basée imsi

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1227038A (zh) * 1996-07-31 1999-08-25 艾利森公司 在被访问的公用陆地移动网络内部选择缺省的长途电话载运者
EP1355503A1 (fr) * 2002-04-15 2003-10-22 TDC Switzerland AG Système de communication mobile numerique
CN1852550A (zh) * 2005-05-17 2006-10-25 华为技术有限公司 一种安全通信的方法
CN101330639A (zh) * 2007-06-20 2008-12-24 华为技术有限公司 移动交换中心池中实现寻呼的方法及装置
CN101394587A (zh) * 2007-09-18 2009-03-25 华为技术有限公司 一种MSC Pool组网中寻呼实现方法、设备及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1227038A (zh) * 1996-07-31 1999-08-25 艾利森公司 在被访问的公用陆地移动网络内部选择缺省的长途电话载运者
EP1355503A1 (fr) * 2002-04-15 2003-10-22 TDC Switzerland AG Système de communication mobile numerique
CN1852550A (zh) * 2005-05-17 2006-10-25 华为技术有限公司 一种安全通信的方法
CN101330639A (zh) * 2007-06-20 2008-12-24 华为技术有限公司 移动交换中心池中实现寻呼的方法及装置
CN101394587A (zh) * 2007-09-18 2009-03-25 华为技术有限公司 一种MSC Pool组网中寻呼实现方法、设备及系统

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