WO2014023146A1 - 确定短消息业务的服务节点的方法、用户服务器和移动性管理网元 - Google Patents

确定短消息业务的服务节点的方法、用户服务器和移动性管理网元 Download PDF

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Publication number
WO2014023146A1
WO2014023146A1 PCT/CN2013/078809 CN2013078809W WO2014023146A1 WO 2014023146 A1 WO2014023146 A1 WO 2014023146A1 CN 2013078809 W CN2013078809 W CN 2013078809W WO 2014023146 A1 WO2014023146 A1 WO 2014023146A1
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WIPO (PCT)
Prior art keywords
user
service
update request
sms
mme
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Application number
PCT/CN2013/078809
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English (en)
French (fr)
Inventor
时书锋
张艳平
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2014023146A1 publication Critical patent/WO2014023146A1/zh
Priority to US14/616,495 priority Critical patent/US9883372B2/en

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • 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
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • 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

Definitions

  • the invention relates to the field of communication technologies, and in particular, to a method for determining a service node of a short message service, a user server, and a mobility management network element.
  • the 3rd Generation Partnership Project (3GPP) is adopted in wireless communication systems, such as Long Term Evolution (LTE) systems or advanced Long Term Evolution Advanced (LTE-Advanced) systems.
  • LTE Long Term Evolution
  • LTE-Advanced Long Term Evolution Advanced
  • the LTE network directly provides the short message service (SMS) service to the user.
  • the 3GPP has developed the Mobility Management Entity (MME) to support the short message service SMS in MME service.
  • MME Mobility Management Entity
  • the MME passes the direct and short message service center SMS-SC (Service center). , Service Center) or Short Message Gateway SMS-GMSC (Ga The teway Mobile Switching Center (Gateway Mobile Switching Center) is connected to provide short message service to users through the packet PS domain, and does not need to establish an SGs connection with a mobile switching center (MSC) to provide users with the CS domain of the circuit domain. Short message service.
  • SMS-SC Service center
  • SMS-GMSC Short Message Gateway SMS-GMSC
  • the MME blindly requests the HSS/HLR to register it as a serving node that provides SMS for the user.
  • the registration is inaccurate, it causes additional signaling interaction between the MME and the HSS/HLR.
  • various aspects of the present application provide a method for determining a service node of a short message service, a user server, and a mobility management network element, to solve the problem that when the joint attachment request or the joint update request initiated by the user terminal does not carry the SMS only When indicating the information, the MME cannot determine whether to request the HSS/HLR to register it as a service node providing the user with the SMS.
  • An aspect of the present application provides a method for determining a serving node of a short message service, including: receiving a location update request sent by a mobility management network element MME, where the location update request carries a user identifier;
  • the determining, according to the location update request and the user identifier, whether the user subscribes to the CS domain service of the circuit or determines whether the CS domain service of the circuit that the user subscribes to has only the SMS service including :
  • the indication information of the service node and the user identifier determine whether the user has subscribed to the CS domain service of the circuit or judges whether the CS domain service of the circuit subscribed by the user has only the SMS service, or And the user equipment carried in the location update request initiates the joint evolved packet system EPS or the international mobile subscriber number IMS I attach request or the joint tracking area TA or the location area LA update request indication information and the user identifier to determine whether the user has signed the contract. Whether the circuit CS domain service or the circuit CS domain service subscribed by the user has only SMS service.
  • the location update request further includes routing information for terminating short message service, where the indication information is used by the terminal for short call Message service routing information is indicated.
  • a method for determining a service node of a short message service comprising: transmitting a location update request to a home subscriber server or home location register HSS/HLR, the location update request carrying a user identity and for indicating The HSS/HLR registers the mobility management network element E to provide the user with the SMS when the user does not subscribe to the CS domain service or the CS domain service subscribed by the user only has the SMS service.
  • the indication information of the service node of the service so that the HSS/HLR registers the solid E as a service node that provides an SMS service for the user according to the user identifier and the indication information;
  • the registration completion indication is used to notify the MME, the HSS/HLR has registered the MME as the user A service node that provides SMS services.
  • the location update request carries routing information for the terminating short message service, and the indication information is indicated by the routing information for the terminating short message service.
  • the method before the sending a location update request to the home subscriber server or the home location register HSS/HLR, the method further includes:
  • a user server including:
  • a receiving module configured to receive a location update request sent by the mobility management network element MME, where the location update request carries a user identifier;
  • a judging module configured to determine, according to the location update request and the user identifier, whether the user has subscribed to the CS domain service of the circuit or whether the CS domain service of the circuit that the user subscribes to has only the SMS service; the registration module is used to If the user does not subscribe to the CS domain service or the CS domain service that the user subscribes to, only the SMS service is registered, and the MME is registered as a service node that provides an SMS service for the user.
  • the determining module is specifically configured to determine that the location update request does not carry the indication information that is used to register the MME as a serving node that provides an SMS service for the user, and determine, according to the user identifier, whether the user is Signing the CS domain service of the circuit or determining whether there is only SMS service in the CS domain service of the circuit signed by the user, or
  • the indication information of the service node and the user identifier determine whether the user has subscribed to the CS domain service of the circuit or judges whether the CS domain service of the circuit subscribed by the user has only the SMS service, or
  • the user equipment carried in the location update request initiates the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request or the indication information of the joint tracking area TA or the location area LA update request, and the user identifier determines whether the user has signed the circuit. Whether the CS domain service or the circuit CS domain service subscribed by the user has only the SMS service.
  • the user server further includes:
  • a sending module configured to return a location update request response to the MME, where the location update request response carries a registration completion indication, where the registration completion indication is used to notify the MME that the home subscriber server or the home location register HSS/HLR has
  • the MME is registered as a service node that provides an SMS service for the user.
  • a mobility management network element including:
  • a sending module configured to send a location update request to a home subscriber server or a home location register HSS/HLR, where the location update request carries a user identifier and is used to indicate that the HSS/HLR does not subscribe to the CS domain service or the user
  • the HSS/HLR registers the MME to provide the SMS service for the user according to the user identifier and the indication information.
  • a receiving module configured to receive a location update request response returned by the HSS/HLR, where the location update request response carries a registration completion indication, where the registration completion indication is used to notify the MME, the HSS/HLR has registered the MME Become a service node that provides SMS services for the user.
  • the receiving module is further configured to receive a joint evolved packet system EPS or an international mobile subscriber number IMS I attach request or a joint tracking area TA or a location area LA update request sent by the user equipment, where The joint EPS or IMSI attach request or the joint TA or LA update request does not carry the request only short message service SMS on 1 y indication information.
  • EPS or IMSI attach request or the joint TA or LA update request does not carry the request only short message service SMS on 1 y indication information.
  • the sending module is further configured to: return a joint EPS or IMS I attach request accept or a joint TA or LA update request accept response to the user equipment, where
  • the joint EPS or IMS I attach request accept or joint TA/LA update request accept response carries the SMS only indication information.
  • the HSS/HLR determines the service that the user subscribes to, and determines that only the SMS service is included in the CS domain service that the user does not subscribe to the CS domain service or the user subscribes to. Then, the MME is registered as a service node that provides an SMS service for the user, and the HSS/HLR determines whether to register the solid E as a service node that provides the SMS service for the user according to the service that the user subscribes to, avoiding the MME not knowing the service subscribed by the user. In this case, blindly requesting the HSS/HLR to register it as a service node for the user to provide the SMS service results in additional signaling interaction between the solid E and the HSS/HLR, thereby saving communication resources.
  • FIG. 1 is a network architecture diagram of an application environment according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of an embodiment of a method for determining a service node of a short message service according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of another embodiment of a method for determining a service node of a short message service according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of another embodiment of a method for determining a service node of a short message service according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an embodiment of a user server according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of another embodiment of a user server according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another embodiment of a user server according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an embodiment of a mobility management network element according to an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of another embodiment of a mobility management network element according to an embodiment of the present invention.
  • FIG. 1 is a network architecture diagram of an application environment according to an embodiment of the present invention.
  • the network architecture includes: a mobile switching center or a visitor location register (Mobile Swithing Center or Visitor Location Register, MSC/VLR), and a user equipment (User Equipment, UE), Home Subscriber Server or Home Location Register (HSS/HLR) and Mobility Management Node (MMN), where MMN includes Evolved Universal Terrestrial Radio Access Mobility Management in Mobility Management in Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Network Entity, MME) and Serving GPRS Support Node (SGSN) in the UMTS universal terrestrial radio access network (UTRAN) network.
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • MME Mobility Management
  • SGSN Serving GPRS Support Node
  • the HSS/HLR is mainly used to store user subscription data and location information.
  • the MSC/VLR mainly provides circuit switching (CS) domain mobility management and services.
  • CS circuit switching
  • the HSS/HLR needs to return the correct service node address according to the registration information of the user terminal in the MSC/VLR or the SGSN or the MME, so that the SMS can be forwarded to the corresponding service node and then sent to the user terminal, in order to
  • the user equipment can still use the services provided by the CS domain, such as the SMS and voice services of the CS domain.
  • the user equipment can initiate the joint evolution packet system EPS or the international mobile subscriber number IMSI attach request, requiring simultaneous EPS and
  • the CS domain is registered, and the joint tracking area TA or the location area LA update request is also initiated in the subsequent location update, and the tracking area in the EPS and the location area in the CS domain are updated at the same time.
  • the MME receives the joint EPS/IMSI attach request, it establishes an SGs connection through the SGs interface and the MSC/VLR, and supports subsequent SMS services and circuit domain fallback CSFB services, that is, the short message is transmitted through the SGs interface and the UE is triggered to access the CS through the SGs.
  • the domain uses CS domain services.
  • FIG. 2 is a schematic flowchart of a method for determining a service node of a short message service according to an embodiment of the present invention.
  • the method may be performed by an HSS/HLR, as shown in FIG. 2, The method includes:
  • Step 101 Receive a location update request sent by the mobility management network element MME, where the location update request carries a user identifier.
  • Step 102 Determine, according to the location update request and the user identifier, whether the user subscribes to the circuit CS domain service or determines whether the CS domain service of the user subscription is only the SMS service;
  • the way of doing business includes one of the following ways:
  • Manner 1 determining that the location update request does not carry the indication information that the MME is registered as a service node that provides an SMS service for the user, and determines, according to the user identifier, whether the user subscribes to the CS domain service of the circuit or determines the circuit that the user subscribes to. Whether there is only SMS service in the CS domain service.
  • the MME is registered as being provided to the user, if the SMS domain service is not included in the CS domain service or the CS domain service is subscribed to by the user.
  • the indication information of the service node of the SMS service and the user identifier determine whether the user has subscribed to the CS domain service of the circuit or whether the CS domain service of the circuit subscribed by the user has only the SMS service.
  • Manner 3 The user equipment carried in the location update request initiates the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request or the joint tracking area TA or the location area LA update request indication information and the user identifier, and determines the user. Whether the circuit CS domain service is contracted or whether the SMS service of the circuit signed by the user is only the SMS service.
  • the location update request further carries the routing information for the terminating short message service, and the indication information may be indicated by the routing information for the terminating short message service.
  • Step 103 If the user does not subscribe to the CS domain service or the CS domain service subscribed by the user only has the SMS service, register the MME as a service node that provides an SMS service for the user.
  • the home subscriber server or the home location register HSS/HLR registers the MME as a service node that provides the SMS service for the user, it also returns a location update request response to the MME, where the location update request response carries a registration completion indication.
  • the registration completion indication is used to notify the MME that the HSS/HLR has registered the MME as a service node that provides an SMS service for the user.
  • the MME does not need to establish a connection with the mobile switching center or the visitor location register MSC/VLR to provide a circuit for the user because the user does not have the contracted circuit CS domain service or the user subscribes to the circuit CS domain service only has the SMS service.
  • Domain service ie received at MME has been registered as In order to provide the user with a message of the service node of the SMS service, there is no need to establish a connection with the MSC/VLR.
  • the HSS/HLR determines the service that the user subscribes to, and determines that the user does not subscribe to the CS domain service or the CS domain service that the user subscribes to.
  • the HSS/HLR determines whether to register the MME as a service node for providing the SMS service to the user according to the service subscribed by the user, and avoids the MME. Knowing the service subscribed by the user blindly requests the HSS/HLR to register it as a service node for the user to provide the SMS service, resulting in additional signaling interaction between the MME and the HSS/HLR, thereby saving communication resources.
  • FIG. 3 is a schematic flowchart of another embodiment of a method for determining a service node of a short message service according to an embodiment of the present invention.
  • the method may be performed by an MME, as shown in FIG. 3, Methods include:
  • Step 201 Send a location update request to a home subscriber server or a home location register HSS/HLR, where the location update request carries a user identifier and is used to indicate that the HSS/HLR does not sign the CS domain service or the user subscribes to the user.
  • the SMS domain service has only the SMS service, the information is such that the HSS/HLR registers the MME as a service node that provides an SMS service for the user according to the user identifier and the indication information.
  • the indication information may be indicated by the routing information for the terminating short message service.
  • the method further includes: receiving the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request sent by the user equipment. Or the joint tracking area TA or the location area LA update request, the joint EPS or IMSI attach request or the joint TA or LA update request does not carry only the short message service SMS only indication information.
  • Step 202 Receive a location update request response returned by the HSS/HLR, where the location update is requested.
  • the request response carries a registration completion indication, where the registration completion indication is used to notify the MME that the HSS/HLR has registered the MME as a service node that provides an SMS service for the user.
  • the method further includes: returning a joint EPS or IMSI attach request accept or a joint TA or LA update request accept response to the user equipment, where
  • the joint EPS or IMSI attach request accept or joint TA/LA update request accept response carries the SMS only indication information.
  • the MME sends a location update request to the HSS/HLR, where the location update request carries the user identifier and the CS domain service indicating that the HSS/HLR does not subscribe to the CS domain service or the user subscribes to the CS domain/HLR.
  • the mobility management network element MME When only the SMS service is available, the mobility management network element MME is registered as the indication information of the service node that provides the SMS service to the user, so that the HSS/HLR according to the user identifier and the indication information
  • the MME is registered as a serving node that provides the SMS service for the user, and prevents the MME from requesting the HSS/HLR to register it as a service node for providing the SMS service by the MME without causing the service subscribed by the user, resulting in the MME. Additional signaling interactions with the HSS/HLR, which in turn saves communication resources.
  • FIG. 4 is a schematic flowchart of another embodiment of a method for determining a service node of a short message service according to an embodiment of the present invention.
  • a mobility management network element MME and a mobile switching center or a visitor location register MSC/VLR are used.
  • the SGs interface exists, that is, the MME supports the circuit domain to fall back to the CSFB service as an example, and the solution of the present invention is illustrated.
  • the method includes:
  • Step 301 The UE initiates a joint EPS/IMSI attach request or a joint TA/LA update request to the MME, where the joint EPS/IMSI attach request or the joint TA/LA update request carries the user identifier.
  • Step 302 The MME determines that the joint EPS/IMSI attach request or the joint TA/LA update request does not carry the SMS only indication service requesting only the short message service;
  • Step 303 The MME initiates a location update request to the HSS/HLR, where the location update request carries the user identifier.
  • the originating location update request of the MME may further include the CS domain service that is used to indicate that the HSS/HLR does not subscribe to the CS domain service or the user subscribes to the CS domain/HLR. Instructions for the service node of the SMS service.
  • the indication information may be that when the MME does not carry an indication in the location update request to carry the registration as a service node that provides the SMS service for the user, the HSS/HLR determines whether the user has subscribed to the CS domain service or judges that the user subscribes. Whether there is only an SMS service in the CS domain service of the circuit. When the user does not subscribe to the CS domain service or the CS domain service subscribed by the user only has the SMS service, the MME is registered to provide the SMS service for the user. Instructions for the service node.
  • the indication information may further include: when the user does not subscribe to the CS domain service or the CS domain service subscribed by the user, only the SMS service is included in the location update request, and the MME is registered as a
  • the HSS/ The HLR determines whether the user has subscribed to the CS domain service of the circuit or determines whether there is only an SMS service in the CS domain service of the circuit that the user subscribes to.
  • the MME is registered as the indication information of the service node that provides the SMS service to the user.
  • the routing information for the terminating short message service may also be carried, and the routing information may be an E.164 encoded number.
  • Step 304 The HSS/HLR determines, according to the location update request and the user identifier, whether the user subscribes to the circuit CS domain service or determines whether the SMS-domain service of the user is only the SMS service;
  • the HSS/HLR queries the user's subscription data according to the user identifier carried in the location update request, and determines whether the service subscribed by the user subscribes to the CS domain service or judges the user according to the subscription data of the user. Whether there is only SMS service in the CS domain service of the contracted circuit.
  • the manner in which the HSS/HLR determines whether the user has subscribed to the CS domain service of the circuit according to the location update request and the user identifier, or whether the CS domain service of the circuit that the user subscribes to has only the SMS service includes but is not limited to: method one:
  • the HSS/HLR needs to determine whether the user has subscribed to the circuit CS domain service or judges that the user subscribes to the circuit. Whether there is only SMS service in the CS domain service.
  • the HSS/HLR may determine that the location update request does not carry the indication information that the MME is registered as the serving node that provides the SMS service for the user, and the HSS/HLR may Querying the subscription data of the user according to the user identifier, determining whether the user has subscribed to the CS domain service of the circuit or whether the SMS service of the circuit signed by the user has only the SMS service.
  • the location update request sent by the MME is carried in the case that the user does not subscribe to the CS domain service or the CS domain service of the user is only the SMS service, and the MME is registered to provide the user with the SMS.
  • the service node of the service indicates the information
  • the HSS/HLR needs to determine whether the user has subscribed to the CS domain service of the circuit or whether the SMS service of the circuit signed by the user has only the SMS service.
  • the HSS/HLR may only carry the CS domain service that is not signed by the user or subscribed to the CS domain service that is carried by the user according to the location update request.
  • the SMS service registers the MME as the indication information of the service node that provides the SMS service for the user, and the subscription data of the user identifier to query the user, determines whether the user has subscribed to the CS domain service of the circuit, or judges that the user subscribes. Whether there is only SMS service in the CS domain service of the circuit.
  • the mode 1 and the mode 2 are applicable not only to the scenario in which the UE initiates the joint EPS/IMSI attach request or the joint TA/LA update request, but also applies to the UE to initiate a normal EPS attach request or a TA update request, the HSS/HLR. Determining whether to register the MME as a scenario of a service node that provides a short message service to the user.
  • Method three When the location update request sent by the MME carries the indication information that the user equipment initiates the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request or the joint tracking area TA or the location area LA update request, the HSS/HLR needs to determine whether the user is Whether the CS domain service of the circuit is contracted or whether the SMS service of the circuit signed by the user is only the SMS service.
  • the HSS/HLR may initiate a joint evolved packet system EPS or an international mobile subscriber number IMSI attach request or a joint tracking area TA or location according to the user equipment carried by the location update request.
  • the indication message of the area LA update request and the user identifier query the subscription data of the user, determine whether the user has subscribed to the CS domain service of the circuit or judge whether the SMS service of the circuit signed by the user has only the SMS service.
  • the foregoing indication information may be indicated by routing information for a terminating short message service carried in a location update request initiated by the MME to the HSS/H LR.
  • Step 305 If the user does not have the CS domain subscription service or the CS domain subscription service only subscribes to the SMS service, the HSS/HLR decides to register the MME as a service node that provides the SMS service for the user;
  • the HSS/HLR determines that the user does not have the CS domain subscription service or the CS domain subscription service
  • only the SMS service is signed, and the MME is determined to provide the service node of the SMS for the user, so as to prevent the MME from determining the user.
  • the HSS/HLR is notified to register it as a service node for providing the user with the SMS.
  • the MME receives the subscription data delivered by the HSS/HLR and finds that the user has subscribed to the CS domain service, the MME establishes the MSC and the MSC.
  • the SGs connection between the /VLRs, and the HSS/HLR needs to cancel the MME as a serving node for providing SMS to the user, resulting in additional signaling interaction between the MME and the HSS/HLR, wasting communication resources.
  • Step 306 The HSS/HLR returns a location update response to the MME, and notifies the MME that it has registered as a service node that provides the SMS service for the user.
  • Step 307 The MME returns a joint EPS/IMSI attach request accept or a joint TA/LA update request accept response to the UE, where the joint EPS/IMSI attach request accept or the joint TA/LA update request accept response carries the SMS only indication.
  • the MME after receiving the notification that the HSS/HLR registers the service node that provides the SMS for the user, the MME does not establish a connection with the MSC/VLR, but returns a joint EPS/IMSI attach request acceptance or joint TA to the UE.
  • the /LA update request accepts a response, wherein the joint EPS/IMSI attach request accept or joint TA/LA update request accept response carries an SMS only indication to determine that the UE is provided with SMS services and other non-CS domain subscription services by the MME.
  • the HSS/HLR after receiving the location update request sent by the MME, the HSS/HLR does not carry the indication information that the MME is registered as the service node that provides the SMS service for the user according to the location update request, or carries the information according to the location update request.
  • the MME When the user does not subscribe to the CS domain service or the CS domain service subscribed by the user has only the SMS service, the MME is registered as the indication information of the service node that provides the SMS service for the user, or And the user equipment carried in the location update request initiates the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request or the indication information of the joint tracking area TA or the location area LA update request, and the user identifier determines whether the user subscribes to the circuit CS domain service or Determining whether there is only an SMS service in the circuit CS domain service subscribed by the user.
  • the MME When it is determined that the user does not subscribe to the CS domain service or the CS domain service subscribed by the user only has the SMS service, the MME is registered as The service node that provides the SMS service by the user, and signs the user by the HSS/HLR according to the indication of the MME.
  • the judgment of the service determines whether to register the MME as a service node that provides the SMS service for the user, and avoids the MME requesting the HSS/HLR to register it as the service node providing the SMS service by the user without knowing the service subscribed by the user. This results in additional signaling interactions between the MME and the HSS/HLR, which in turn saves communication resources.
  • the MME when the UE initiates the joint EPS/IMSI attach request or the joint TA/LA update request to carry the SMS only indication or the MME does not support the CSFB service or the SGs interface, the MME explicitly indicates the HSS/ The HLR registers it as a service node for the user to provide SMS.
  • the HSS/HLR does not need to determine the CS domain subscription service status of the user, but directly registers the MME as a service node that provides the SMS for the user.
  • FIG. 5 is a schematic structural diagram of an embodiment of a user server according to an embodiment of the present invention.
  • the user server 40 includes a receiving module 401, a determining module 402, and a registration module 403.
  • the receiving module 401 is configured to receive a location update request sent by the mobility management network element MME, where the location update request carries a user identifier.
  • the determining module 402 is configured to determine, according to the location update request and the user identifier, whether the user has signed the circuit CS domain service or whether the circuit CS domain service subscribed by the user has only the SMS service;
  • the registration module 403 is configured to register the MME as a service for providing the SMS service to the user if the CS domain service is not signed by the user or the CS domain service subscribed by the user is only the SMS service. node.
  • the user server after receiving the location update request sent by the MME, determines the service that the user subscribes to, and determines that the user does not subscribe to the CS domain service or the CS domain service that the user subscribes to.
  • the MME is registered as a service node that provides an SMS service for the user.
  • the user server determines whether to register the MME as a service node that provides the SMS service for the user according to the service that the user subscribes to, avoiding the MME not knowing the user subscription.
  • the blind requesting user server registers it as a service node for the user to provide the SMS service, resulting in additional signaling interaction between the MME and the user server, thereby saving communication resources.
  • the determining module 402 may be further configured to determine that the location update request does not carry the indication information that is used to register the MME as a service node that provides an SMS service for the user, according to the user identifier.
  • the MME is registered as the indication information of the service node that provides the SMS service for the user, and the user identifier determines whether the user has subscribed to the CS domain service or judges the Whether the SMS-domain service of the user-signed circuit has only the SMS service, or the user equipment carried according to the location update request initiates the Joint Evolved Packet System EPS or the International Mobile Subscriber Number IMSI Attach Request or the Joint Tracking Area TA or the Location Area LA Update Request.
  • the indication information and the user identifier determine whether the user has contracted the circuit CS domain service or judges the Whether the user signed the circuit in the CS domain business is only SMS business.
  • the user server 40 may further include a sending module 404, where the sending module 404 is configured to return a location update request response to the MME, where the location update request response carries a registration completion indication, where the registration completion indication is used. Informing the MME that the home subscriber server or home location register HSS/HLR has registered the MME as a serving node that provides SMS services for the subscriber.
  • FIG. 7 is a schematic structural diagram of another embodiment of a user server according to an embodiment of the present invention.
  • the user server includes at least one processor 501, at least one network interface.
  • a memory 505 at least one communication bus 502 and a user interface 503.
  • the communication bus 502 is for implementing connection communication between the above components; the user interface 503 is for implementing interaction with a user.
  • the memory 505 can store instructions to cause the processor 501 to perform the following processes:
  • the MME is registered as a service node that provides the SMS service for the user.
  • the user server after receiving the location update request sent by the MME, determines the service that the user subscribes to, and determines that the user does not subscribe to the CS domain service or the CS domain service that the user subscribes to.
  • the MME is registered as a service node that provides an SMS service for the user.
  • the user server determines whether to register the MME as a service node that provides the SMS service for the user according to the service that the user subscribes to, avoiding the MME not knowing the user subscription.
  • the blind requesting user server registers it as a service node for the user to provide the SMS service, resulting in additional signaling interaction between the MME and the user server, thereby saving communication resources.
  • the processor 501 may further perform determining that the location update request does not carry the indication information that is used to register the MME as a serving node that provides an SMS service for the user, and determine the user according to the user identifier. Whether the circuit CS domain service is contracted or whether the SMS service of the CS-domain service subscribed by the user is only the SMS service, or the user who does not sign the CS domain service or the user subscription according to the location update request The CS domain service only has the SMS service, and the MME is registered as the indication information of the service node that provides the SMS service to the user, and the user identifier determines whether the user has subscribed to the CS domain service or judges that the user subscribes.
  • the user equipment carried according to the location update request initiates an indication of the Joint Evolved Packet System EPS or the International Mobile Subscriber Number IMSI Attach Request or the Joint Tracking Area TA or the Location Area LA Update Request
  • the information and the user identifier determine whether the user has signed the CS domain service or judged that the user signs Whether there is only SMS service in the CS domain service of the circuit.
  • FIG. 8 is a schematic structural diagram of an embodiment of a mobility management network element according to an embodiment of the present invention. As shown in FIG. 8, the mobility management network element 60 includes a sending module 601 and a receiving module 602.
  • the sending module 601 is configured to send a location update request to the home subscriber server or the home location register HSS/HLR, where the location update request carries a user identifier and is used to indicate that the HSS/HLR does not subscribe to the CS domain service or the user
  • the CS domain service that the user subscribes to has only the indication information of the SMS node, so that the HSS/HLR registers the MME as a service for providing the SMS service to the user according to the user identifier and the indication information.
  • the receiving module 602 is configured to receive a location update request response returned by the HSS/HLR, where the location update request response carries a registration completion indication, where the registration completion indication is used to notify the MME, and the HSS/HLR has registered the MME.
  • a location update request response returned by the HSS/HLR
  • the location update request response carries a registration completion indication
  • the registration completion indication is used to notify the MME
  • the HSS/HLR has registered the MME.
  • the mobility management network element sends a location update request to the HSS/HLR, where the location update request carries the user identifier and indicates that the HSS/HLR does not subscribe to the CS domain service or the user subscribes to the HSS/HLR.
  • the mobility management network is used.
  • the element is registered as the indication information of the service node that provides the SMS service to the user, so that the HSS/HLF registers the MME as a service for providing the SMS service to the user according to the user identifier and the indication information.
  • the node avoids the mobility management network element blindly requesting the HSS/HLR to register it as a service node for the user to provide the SMS service without knowing the service subscribed by the user, resulting in an extra between the mobility management network element and the HSS/HLR.
  • the signaling interaction which in turn saves communication resources.
  • the receiving module 602 may be further configured to receive a joint evolved packet system EPS or an international mobile subscriber number IMSI attach request or a joint tracking area TA or a location area LA update request sent by the user equipment.
  • the joint EPS or IMSI attach request or the joint TA or LA update request does not carry only the short message service SMS only indication information.
  • the sending module 601 can also be configured to return a joint EPS or IMSI attach request accept or a joint TA or LA update request accept response to the user equipment, the joint EPS or IMSI attach request accept or joint TA/LA update request accept response to carry the SMS Only indicates information.
  • FIG. 9 is a schematic structural diagram of another embodiment of a mobility management network element according to an embodiment of the present invention.
  • the mobility management network element includes at least one processor 701, at least one network interface 704, and a memory 705.
  • the communication bus 702 is for implementing connection communication between the above components; the user interface 703 is for implementing interaction with a user.
  • the memory 705 can store instructions to cause the processor 701 to perform the following processes:
  • the mobility management network element MME is registered as the indication information of the service node that provides the SMS service to the user, so that the HSS/HLR according to the user identifier and the Instructing to register the MME as a service node that provides an SMS service for the user;
  • a location update request response carries a registration completion indication
  • the registration completion indication is used to notify the MME that the HSS/HLR has already
  • the MME is registered as a service node that provides SMS services for the user.
  • the mobility management network element sends a location update request to the HSS/HLR, where the location update request carries the user identifier and indicates that the HSS/HLR does not subscribe to the CS domain service or the user subscribes to the HSS/HLR.
  • the mobility management network element is registered as the indication information of the service node that provides the SMS service to the user, so that the HSS/HLF is based on the user identifier and the location.
  • the indication information registers the MME as a service node that provides an SMS service for the user, and prevents the mobility management network element from blindly requesting the HSS/HLR to register it as a user without knowing the service subscribed by the user.
  • the service node of the SMS service causes additional signaling interaction between the mobility management network element and the HSS/HLR, thereby saving communication resources.
  • the processor 701 may further perform receiving the joint evolved packet system EPS or the international mobile subscriber number IMSI attach request or the joint tracking area TA or the location area LA update request sent by the user equipment,
  • the joint EPS or IMSI attach request or the joint TA or LA update request does not carry only the request short message service SMS only indication information.
  • the processor 701 can also perform a return of a joint EPS or IMSI attach request accept or a joint TA or LA update request accept response to the user equipment, the joint EPS or IMSI attach request accept or joint TA/LA update request accept response carrying the SMS only Instructions.
  • modules or units described as separate components may or may not be physically separated, and the components displayed as modules or units may or may not be physical modules or units, that is, may be located in one place, or may be distributed to On multiple network modules or units. Some or all of the modules or units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional module or unit in each embodiment of the present invention may be integrated into one processing module or unit, or each module or unit may exist physically separately, or may be two or more modules or units. Integrated in one module or unit.
  • the above integrated modules or units can be implemented either in the form of hardware or in the form of software functional units.
  • the integrated modules or units if implemented in the form of software functional modules or units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明提供一种确定短消息业务的服务节点的方法、用户服务器和移动性管理网元，通过HSS/HLR在接收到MME发送的位置更新请求后，对用户签约的业务进行判断，当确定用户没有签约CS域业务或用户签约的CS域业务中只有SMS业务，则将MME注册成为为用户提供SMS业务的服务节点，通过HSS/HLR根据用户签约的业务判断是否将MME注册成为为用户提供SMS业务的服务节点，避免了MME在不知道用户签约的业务的情况下，盲目的请求HSS/HLR将其注册为用户提供SMS业务的服务节点而导致MME和HSS/HLR间额外的信令交互，进而节约了通信资源。

Description

确定短消息业务的服务节点的方法、 用户服务器和移动性管理网元 本申请要求于 2012年 8月 6日提交中 国专利局、 申请号为 201210277125.X, 发明名称为 "确定短消息业务的服务节点的方法、 用户服 务器和移动性管理网元" 的中国专利申请的优先权， 其全部内容通过引用结合 在本申请中。 技术领域
发明涉及通信技术领域， 尤其涉及一种确定短消息业务的服务节点的方 法、 用户服务器和移动性管理网元。
背景技术
第三代合作伙伴计划 ( The 3rd Generation Partnership Project, 3GPP)为 了在无线通信系统， 如长期演进（ Long Term Evolution, LTE ) 系统或先进的 长期演进 ( Long Term Evolution Advanced, LTE-Advanced )系统中通过 LTE 网络直接为用户提供短消息服务 (short message service, SMS)业务， 3GPP 制定了移动性管理网元 (Mobility Management Entity, MME)支持短消息服务 SMS in MME业务的特性， 通过该特性， 当用户终端 (User Equipment, UE)发 起联合附着请求或联合更新请求， 当该联合附着请求或联合更新请求中携带仅 请求短消息服务 SMS only指示信息时， MME向归属用户服务器或归属位置 寄存器 (Home Subscriber Server或 Home Location Register, HSS/HLR)请求 注册为提供短消息业务节点， MME被 HSS/HLR注册为为用户提供短消息的 业务节点后， MME通过直接和短消息服务中心 SMS-SC(Service center, 服 务中心)或短消息网关 SMS-GMSC(Gateway Mobile Switching Center, 网关 移动交换中心)相连， 通过分组 PS域为用户提供短消息业务， 而不需要建立和 移动交换中心 (mobile switching center, MSC)的 SGs连接而通过电路域 CS域 为用户提供短消息服务。
然而， 现有技术中， 当在用户终端发起的联合附着请求或联合更新请求中 不携带 SMS only指示信息时， MME盲目的请求 HSS/HLR将其注册成为为用 户提供 SMS的服务节点， 在注册不准确时， 导致了 MME和 HSS/HLR间额 外的信令交互。 发明内容
鉴于此， 本申请的多个方面提供确定短消息业务的服务节点的方法、 用户 服务器和移动性管理网元， 用以解决当在用户终端发起的联合附着请求或联合 更新请求中不携带 SMS only指示信息时， MME无法确定是否请求 HSS/HLR将其注 册成为为用户提供 SMS的服务节点的问题。
本申请的一方面， 提供一种确定短消息业务的服务节点的方法， 包括： 接收移动性管理网元 MME发送的位置更新请求， 所述位置更新请求携带用 户标识；
根据所述位置更新请求和所述用户标识判断用户是否签约了电路 CS域业 务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务；
若所述用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只 有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
在第一种可能的实现方式中， 所述根据所述位置更新请求和所述用户标识 判断用户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是 否只有 SMS业务， 包括：
确定所述位置更新请求中没有携带将所述固 E注册成为为用户提供 SMS业 务的服务节点的指示信息，根据用户标识判断用户是否签约了电路 CS域业务或 判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或
根据所述位置更新请求携带的当用户没有签约所述 CS域业务或所述用户 签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提 供 SMS业务的服务节点的指示信息和所述用户标识判断用户是否签约了电路 CS 域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或 根据所述位置更新请求携带的用户设备发起了联合演进分组系统 EPS或国 际移动用户号码 IMS I附着请求或联合跟踪区 TA或位置区 LA更新请求的指示信 息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的 电路 CS域业务中是否只有 SMS业务。
结合第一种可能的实现方式， 在第二种可能的实现方式中， 在所述位置更 新请求中还携带有用于终呼短消息业务路由信息， 所述指示信息通过所述用于 终呼短消息业务路由信息来指示。
本申请的另一方面， 提供一种确定短消息业务的服务节点的方法， 包括： 向归属用户服务器或归属位置寄存器 HSS/HLR发送位置更新请求， 所述位 置更新请求携带用户标识和用于指示所述 HSS/HLR在用户没有签约所述 CS域业 务或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性管理网 元固 E注册成为为所述用户提供 SMS业务的服务节点的指示信息， 以使得所述 HSS/HLR根据所述用户标识和所述指示信息将所述固 E注册成为为所述用户提 供 SMS业务的服务节点；
接收所述 HSS/HLR返回的位置更新请求响应， 所述位置更新请求响应携带 注册完成指示， 所述注册完成指示用于通知 MME , 所述 HSS/HLR已经将所述 MME 注册成为为所述用户提供 SMS业务的服务节点。
在第一种可能的实现方式中， 在所述位置更新请求中携带有用于终呼短消 息业务路由信息， 所述指示信息通过所述用于终呼短消息业务路由信息来指 示。
结合第一种可能的实现方式， 在第二种可能的实现方式中， 在所述向归属 用户服务器或归属位置寄存器 HSS/HLR发送位置更新请求之前， 所述方法还包 括：
接收所述用户设备发送的联合演进分组系统 EPS或国际移动用户号码 IMS I 附着请求或联合跟踪区 TA或位置区 LA更新请求， 所述联合 EPS或 IMS I附着请求 或联合 TA或 LA更新请求中不携带仅请求短消息服务 SMS only指示信息。 本申请的另一方面， 提供一种用户服务器， 包括：
接收模块， 用于接收移动性管理网元 MME发送的位置更新请求， 所述位置 更新请求携带用户标识；
判断模块， 用于根据所述位置更新请求和所述用户标识判断用户是否签约 了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务； 注册模块， 用于若所述用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务 的服务节点。
在第一种可能的实现方式中， 所述判断模块具体用于确定所述位置更新请 求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务节点的指示信息， 根据用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或
根据所述位置更新请求携带的当用户没有签约所述 CS域业务或所述用户 签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提 供 SMS业务的服务节点的指示信息和所述用户标识判断用户是否签约了电路 CS 域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或
根据所述位置更新请求携带的用户设备发起了联合演进分组系统 EPS或国 际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求的指示信 息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的 电路 CS域业务中是否只有 SMS业务。
结合第一种可能的实现方式， 在第二种可能的实现方式中， 所述用户服务 器还包括：
发送模块， 用于向所述 MME返回位置更新请求响应， 所述位置更新请求响 应携带注册完成指示， 所述注册完成指示用于通知所述 MME , 归属用户服务器 或归属位置寄存器 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的 服务节点。 本申请的另一方面， 提供一种移动性管理网元， 包括：
发送模块， 用于向归属用户服务器或归属位置寄存器 HSS/HLR发送位置更 新请求， 所述位置更新请求携带用户标识和用于指示所述 HSS/HLR在用户没有 签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则 息， 以使得所述 HSS/HLR根据所述用户标识和所述指示信息将所述 MME注册成为 为所述用户提供 SMS业务的服务节点；
接收模块， 用于接收所述 HSS/HLR返回的位置更新请求响应， 所述位置更 新请求响应携带注册完成指示， 所述注册完成指示用于通知 MME , 所述 HSS/HLR 已经将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
在第一种可能的实现方式中， 所述接收模块还用于接收所述用户设备发送 的联合演进分组系统 EPS或国际移动用户号码 IMS I附着请求或联合跟踪区 TA或 位置区 LA更新请求， 所述联合 EPS或 IMSI附着请求或联合 TA或 LA更新请求中不 携带仅请求短消息服务 SMS on 1 y指示信息。
结合第一种可能的实现方式， 在第二种可能的实现方式中， 所述发送模块 还用于向用户设备返回联合 EPS或 IMS I附着请求接受或联合 TA或 LA更新请求接 受响应， 所述联合 EPS或 IMS I附着请求接受或联合 TA/LA更新请求接受响应携带 所述 SMS only指示信息。
在本发明实施例中， 通过 HSS/HLR在接收到 MME发送的位置更新请求后， 对 用户签约的业务进行判断， 当确定用户没有签约 CS域业务或用户签约的 CS域业 务中只有 SMS业务， 则将 MME注册成为为用户提供 SMS业务的服务节点， 通过 HSS/HLR根据用户签约的业务判断是否将固 E注册成为为用户提供 SMS业务的服 务节点， 避免了 MME在不知道用户签约的业务的情况下， 盲目的请求 HSS/HLR将 其注册为用户提供 SMS业务的服务节点而导致固 E和 HSS/HLR间额外的信令交 互， 进而节约了通信资源。 附图说明
图 1为本发明实施例应用环境的网络架构图；
图 2为本发明实施例确定短消息业务的服务节点的方法的一个实施例的流 程示意图；
图 3为本发明实施例确定短消息业务的服务节点的方法的另一个实施例的 流程示意图；
图 4为本发明实施例确定短消息业务的服务节点的方法的另一个实施例的 流程示意图；
图 5为本发明实施例用户服务器的一个实施例的结构示意图；
图 6为本发明实施例用户服务器的另一个实施例的结构示意图；
图 7为本发明实施例用户服务器的另一个实施例的结构示意图；
图 8为本发明实施例移动性管理网元的一个实施例的结构示意图； 图 9为本发明实施例移动性管理网元的另一个实施例的结构示意图。
具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发明 实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然， 所描述的实施例是本发明一部分实施例， 而不是全部的实施例。 基于本发明中 的实施例， 本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其 他实施例， 都属于本发明保护的范围。
图 1为本发明实施例应用环境的网络架构图，如图 1所示 ,该网络架构包括： 移动交换中心或访问位置寄存器（Mobile Swithing Center或 Visitor Location Register, MSC/VLR ) 、 用户设备（ User Equipment, UE ) 、 归属用户服 务器或归属位置寄存器（ Home Subscriber Server或 Home Location Register, HSS/HLR )和移动性管理节点 ( Mobil ity Management Node, MMN), 其中， MMN包括演进型通用陆地无线接入网（evolved universal terrestrial radio access network, E-UTRAN)网络中的移动性管理网元 (Mobility Management Entity, MME ) 和 UMTS陆地无线接入网 (universal terrestrial radio access network, UTRAN)网络中的服务 GPRS支持节点（Serving GPRS Support Node, SGSN)。
HSS/HLR主要用于存储用户签约数据和位置信息； MSC/VLR主要提供电 路（Circuit Switch, CS )域移动性管理和业务。 当用户终端在 2G或 3G和 LTE 系统之间移动时， 用户终端需通过路由区更新或位置区更新或跟踪区更新 ( Routing Area Update或 Location Area Update或 Tracking Area Update, RAU/LAU/TAU )进行位置注册。 对于 SMS 业务来说， HSS/HLR需根据用户 终端在 MSC/VLR或者 SGSN或者 MME的注册信息，返回正确的服务节点地址， 以便 SMS可以被转发给相应的服务节点继而被发送至用户终端，为了支持用户 设备在 LTE接入时， 仍然可以使用 CS域提供的业务， 比如 CS域的 SMS和语音 业务，用户设备可以发起联合演进分组系统 EPS或国际移动用户号码 IMSI附着 请求， 要求同时在 EPS和 CS域注册， 后续在位置更新时也会发起联合跟踪区 TA或位置区 LA更新请求， 同时更新在 EPS中的跟踪区和 CS域中的位置区。 MME收到联合 EPS/IMSI附着请求时会通过 SGs接口和 MSC/VLR建立 SGs连 接， 支持后续的 SMS业务和电路域回落 CSFB业务， 也就是通过 SGs接口传递 短消息及通过 SGs触发 UE接入 CS域使用 CS域业务。
图 2为本发明实施例确定短消息业务的服务节点的方法的一个实施例的流 程示意图， 在本发明实施例中， 作为示例， 该方法可以由 HSS/HLR来执行， 如图 2所示， 该方法包括：
步骤 101、 接收移动性管理网元 MME发送的位置更新请求， 所述位置更新 请求携带用户标识；
步骤 102、 根据所述位置更新请求和所述用户标识判断用户是否签约了电 路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务；
在本发明实施例中，根据所述位置更新请求和所述用户标识判断用户是否 签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS 业务的方式包括下列方式之一：
方式一、 确定所述位置更新请求中没有携带将所述 MME注册成为为用户 提供 SMS业务的服务节点的指示信息，根据用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
方式二、 根据所述位置更新请求携带的当用户没有签约所述 CS域业务或 所述用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为 为所述用户提供 SMS业务的服务节点的指示信息和所述用户标识，判断用户是 否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
方式三、根据所述位置更新请求携带的用户设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求 的指示信息和所述用户标识， 判断用户是否签约了电路 CS域业务或判断所述 用户签约的电路 CS域业务中是否只有 SMS业务。
需要说明的是， 在本发明实施例中， 在位置更新请求中还携带有用于终呼 短消息业务路由信息， 所述指示信息可以通过用于终呼短消息业务路由信息来 指示。
步骤 103、 若所述用户没有签约所述 CS域业务或所述用户签约的所述 CS 域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业 务的服务节点。
需要说明的是， 归属用户服务器或归属位置寄存器 HSS/HLR将 MME注册 成为为所述用户提供 SMS业务的服务节点后， 还向该 MME返回位置更新请求 响应， 该位置更新请求响应携带注册完成指示， 所述注册完成指示用于通知该 MME, HSS/HLR已经将该 MME注册成为为该用户提供 SMS业务的服务节点。
在本发明实施例中， 由于用户没有签约电路 CS域业务或用户签约的电路 CS域业务中只有 SMS业务， 因此， MME不需要和移动交换中心或访问位置寄 存器 MSC/VLR建立连接为用户提供电路域业务， 即在 MME收到已经被注册成 为为用户提供 SMS业务的服务节点的消息时， 不需要和 MSC/VLR建立连接。 在本发明实施例中， HSS/HLR在接收到 MME发送的位置更新请求后， 对 用户签约的业务进行判断， 当确定用户没有签约所述 CS域业务或所述用户签 约的所述 CS域业务中只有所述 SMS业务，则将 MME注册成为为用户提供 SMS 业务的服务节点， 通过 HSS/HLR根据用户签约的业务判断是否将 MME注册成 为为用户提供 SMS业务的服务节点， 避免了 MME在不知道用户签约的业务的 情况下， 盲目的请求 HSS/HLR将其注册为用户提供 SMS业务的服务节点而导 致 MME和 HSS/HLR间额外的信令交互， 进而节约了通信资源。
图 3为本发明实施例确定短消息业务的服务节点的方法的另一个实施例的 流程示意图， 在本发明实施例中， 作为示例， 该方法可以由 MME来执行， 如 图 3所示， 该方法包括：
步骤 201、 向归属用户服务器或归属位置寄存器 HSS/HLR发送位置更新请 求， 所述位置更新请求携带用户标识和用于指示所述 HSS/HLR在用户没有签 约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则 信息， 以使得所述 HSS/HLR根据所述用户标识和所述指示信息将所述 MME注 册成为为所述用户提供 SMS业务的服务节点；
需要说明的是， 在本发明实施例中， 在位置更新请求中携带有用于终呼短 消息业务路由信息时， 所述指示信息可以通过该用于终呼短消息业务路由信息 来指示。
还需要说明的是， 在向归属用户服务器或归属位置寄存器 HSS/HLR发送 位置更新请求之前， 所述方法还包括： 接收所述用户设备发送的联合演进分组 系统 EPS或国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新 请求， 所述联合 EPS或 IMSI附着请求或联合 TA或 LA更新请求中不携带仅请求 短消息服务 SMS only指示信息。
步骤 202、 接收所述 HSS/HLR返回的位置更新请求响应， 所述位置更新请 求响应携带注册完成指示， 所述注册完成指示用于通知 MME, 所述 HSS/HLR 已经将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
需要说明的是， 在所述接收所述 HSS/HLR返回的位置更新请求响应之后， 所述方法还包括： 向用户设备返回联合 EPS或 IMSI附着请求接受或联合 TA或 LA更新请求接受响应，所述联合 EPS或 IMSI附着请求接受或联合 TA/LA更新请 求接受响应携带 SMS only指示信息。
在本发明实施例中， MME向 HSS/HLR发送位置更新请求， 位置更新请求 携带用户标识和指示所述 HSS/HLR在用户没有签约所述 CS域业务或所述用户 签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性管理网元 MME注册 成为为所述用户提供 SMS业务的服务节点的指示信息， 以使得所述 HSS/HLR 根据所述用户标识和所述指示信息将所述 MME注册成为为所述用户提供 SMS 业务的服务节点， 避免了 MME在不知道用户签约的业务的情况下， 盲目的请 求 HSS/HLR将其注册为用户提供 SMS业务的服务节点而导致 MME和 HSS/HLR间额外的信令交互， 进而节约了通信资源。
图 4为本发明实施例确定短消息业务的服务节点的方法的另一个实施例的 流程示意图， 在本发明实施例中， 以移动性管理网元 MME和移动交换中心或 访问位置寄存器 MSC/VLR间存在 SGs接口， 也就是 MME支持电路域回落 CSFB业务为例， 对本发明方案进行说明， 如图 4所示， 该方法包括：
步骤 301、 UE向 MME发起联合 EPS/IMSI附着请求或联合 TA/LA更新请求， 其中联合 EPS/IMSI附着请求或联合 TA/LA更新请求携带用户标识；
步骤 302、 MME确定联合 EPS/IMSI附着请求或联合 TA/LA更新请求中没有 携带仅请求短消息服务 SMS only指示信息；
步骤 303、 MME向 HSS/HLR发起位置更新请求， 该位置更新请求携带该 用户标识；
在本发明实施例中， MME的发起位置更新请求中还可以携带用于指示所 述 HSS/HLR在用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务 SMS业务的服务节点的指示信息。
该指示信息可以是当 MME在位置更新请求中不携带携带将其注册成为为 用户提供 SMS业务的服务节点的指示时， HSS/HLR判断用户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 当用户 没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业 务时， 则将 MME注册成为为所述用户提供 SMS业务的服务节点的指示信息。
此外， 该指示信息还可以是在位置更新请求中携带当用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点的指示信息或在位置更新 请求中携带用户设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI 附着请求或联合跟踪区 TA或位置区 LA更新请求时， HSS/HLR判断用户是否签 约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业 务， 当用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所 述 SMS业务时， 则将 MME注册成为为所述用户提供 SMS业务的服务节点的指 示信息。
需要说明的是， 在 MME向 HSS/HLR发起位置更新请求中还可以携带有用 于终呼短消息业务的路由信息， 该路由信息可以是基于 E.164编码的号码。
步骤 304、 HSS/HLR根据位置更新请求和用户标识判断用户是否签约了电 路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务；
在本发明实施例中， HSS/HLR根据位置更新请求携带的该用户标识， 查 询用户的签约数据，根据该用户的签约数据判断该用户签约的业务是否签约了 电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
具体的， HSS/HLR根据位置更新请求和用户标识判断用户是否签约了电 路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务的方 式包括但不限于： 方式一：
在 MME发送的位置更新请求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务节点的指示信息时， HSS/HLR需要判断用户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
例如， HSS/HLR可以在收到 MME发送的位置更新请求消息后， 确定所述 位置更新请求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务节 点的指示信息， 则 HSS/HLR可以根据用户标识查询用户的签约数据， 判断用 户是否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
方式二：
在 MME发送的位置更新请求中携带有当用户没有签约所述 CS域业务或所 述用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为 所述用户提供 SMS业务的服务节点的指示信息时， HSS/HLR需要判断用户是 否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
例如， HSS/HLR可以在收到 MME发送的位置更新请求消息后， 根据所述 位置更新请求携带的当用户没有签约所述 CS域业务或所述用户签约的所述 CS 域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业 务的服务节点的指示信息和所述用户标识查询用户的签约数据， 判断用户是否 签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS 业务。
需要说明的是， 方式一和方式二不仅适用于 UE发起联合 EPS/IMSI附着请 求或联合 TA/LA更新请求的场景， 也适用于 UE发起了普通的 EPS附着请求或 TA更新请求， HSS/HLR确定是否注册 MME为为用户提供短消息业务的服务 节点的场景。
方式三： 在 MME发送的位置更新请求中携带有用户设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求 的指示信息时， HSS/HLR需要判断用户是否签约了电路 CS域业务或判断所述 用户签约的电路 CS域业务中是否只有 SMS业务。
例如， HSS/HLR可以在收到 MME发送的位置更新请求消息后， 根据所述 位置更新请求携带的用户设备发起了联合演进分组系统 EPS或国际移动用户 号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求的指示信和所述用户 标识查询用户的签约数据， 判断用户是否签约了电路 CS域业务或判断所述用 户签约的电路 CS域业务中是否只有 SMS业务。
还需要说明的是， 在本发明实施例中， 上述指示信息可以是在 MME向 HSS/H LR发起位置更新请求中携带的用于终呼短消息业务的路由信息来指 示。
步骤 305、 若用户没有 CS域签约业务或 CS域签约业务中只签约了 SMS业 务， HSS/HLR决定注册 MME为为用户提供 SMS业务的服务节点；
在本发明实施例中， 当在 HSS/HLR确定用户没有 CS域签约业务或 CS域签 约业务中只签约了 SMS业务， 决定注册 MME为为用户提供 SMS的服务节点， 避免 MME在未确定用户的签约业务的情况下， 通知 HSS/HLR将其注册成为为 用户提供 SMS的服务节点， 导致当 MME收到 HSS/HLR下发的签约数据， 发现 用户有签约 CS域业务时， 从而 MME建立和 MSC/VLR之间的 SGs连接， 而 HSS/HLR则需要取消该 MME作为为用户提供 SMS的服务节点， 导致 MME与 HSS/HLR间产生额外的信令交互， 浪费通信资源。
步骤 306、 HSS/HLR向 MME返回位置更新响应， 通知 MME已经将其注册 成为为用户提供 SMS业务的服务节点；
步骤 307、 MME向 UE返回联合 EPS/IMSI附着请求接受或联合 TA/LA更新 请求接受响应，其中联合 EPS/IMSI附着请求接受或联合 TA/LA更新请求接受响 应携带 SMS only指示。 在本发明实施例中， MME收到 HSS/HLR将其注册成为为用户提供 SMS的 服务节点的通知后， 不与 MSC/VLR建立连接， 而向 UE返回联合 EPS/IMSI附着 请求接受或联合 TA/LA更新请求接受响应，其中联合 EPS/IMSI附着请求接受或 联合 TA/LA更新请求接受响应携带 SMS only指示， 以确定通过 MME为该 UE提 供 SMS业务和其它非 CS域签约业务。
在本发明实施例中， HSS/HLR收到 MME发送的位置更新请求后， 根据位 置更新请求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务节点 的指示信息或根据位置更新请求携带的当用户没有签约所述 CS域业务或所述 用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所 述用户提供 SMS业务的服务节点的指示信息，或根据位置更新请求携带的用户 设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合 跟踪区 TA或位置区 LA更新请求的指示信息和用户标识判断用户是否签约了电 路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 当确 定用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务， 则将 MME注册成为为用户提供 SMS业务的服务节点， 通过 HSS/HLR根据 MME的指示对用户签约业务的判断决定是否将 MME注册成为 为用户提供 SMS业务的服务节点， 避免了 MME在不知道用户签约的业务的情 况下， 盲目的请求 HSS/HLR将其注册为用户提供 SMS业务的服务节点而导致 MME和 HSS/HLR间额外的信令交互， 进而节约了通信资源。
需要说明的是， 在本发明实施例中， 当 UE发起的联合 EPS/IMSI附着请求 或联合 TA/LA更新请求中携带 SMS only指示或者 MME不支持 CSFB业务或 SGs接口时， MME明确指示 HSS/HLR将其注册为为用户提 SMS的服务节点， HSS/HLR不需要再判断用户的 CS域签约业务情况， 而直接将 MME注册为为用 户提供 SMS的服务节点。
图 5为本发明实施例用户服务器的一个实施例的结构示意图， 如图 5所示， 该用户服务器 40包括接收模块 401、 判断模块 402和注册模块 403。 接收模块 401用于接收移动性管理网元 MME发送的位置更新请求， 所述位 置更新请求携带用户标识；
判断模块 402用于根据所述位置更新请求和所述用户标识判断用户是否签 约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业 务；
注册模块 403用于若所述用户没有签约所述 CS域业务或所述用户签约的 所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
在本发明实施例中， 用户服务器接收到 MME发送的位置更新请求后， 对 用户签约的业务进行判断， 当确定用户没有签约所述 CS域业务或所述用户签 约的所述 CS域业务中只有所述 SMS业务，则将 MME注册成为为用户提供 SMS 业务的服务节点， 通过用户服务器根据用户签约的业务判断是否将 MME注册 成为为用户提供 SMS业务的服务节点， 避免了 MME在不知道用户签约的业务 的情况下，盲目的请求用户服务器将其注册为用户提供 SMS业务的服务节点而 导致 MME和用户服务器间额外的信令交互， 进而节约了通信资源。
需要说明的是， 在本发明实施例中， 判断模块 402还可以具体用于确定所 述位置更新请求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务 节点的指示信息， 根据用户标识判断用户是否签约了电路 CS域业务或判断所 述用户签约的电路 CS域业务中是否只有 SMS业务， 或根据所述位置更新请求 携带的当用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有 所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点 的指示信息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用 户签约的电路 CS域业务中是否只有 SMS业务， 或根据所述位置更新请求携带 的用户设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求 或联合跟踪区 TA或位置区 LA更新请求的指示信息和所述用户标识判断用户是 否签约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
此外， 如图 6所示， 用户服务器 40还可以包括发送模块 404, 发送模块 404 用于向所述 MME返回位置更新请求响应， 所述位置更新请求响应携带注册完 成指示， 所述注册完成指示用于通知所述 MME, 归属用户服务器或归属位置 寄存器 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的服务 节点。
图 7为本发明实施例用户服务器的另一个实施例的结构示意图，
如图 7所示， 该用户服务器包括至少一个处理器 501 , 至少一个网络接口
504, 存储器 505, 至少一个通信总线 502和用户接口 503。
该通信总线 502用于实现上述组件之间的连接通信；该用户接口 503用于实 现与用户交互。 其中， 该存储器 505可以存储指令， 以使处理器 501执行以下 流程：
接收移动性管理网元 MME发送的位置更新请求， 所述位置更新请求携带 用户标识；
根据所述位置更新请求和所述用户标识判断用户是否签约了电路 CS域业 务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务；
若所述用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只 有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节 点。
在本发明实施例中， 用户服务器接收到 MME发送的位置更新请求后， 对 用户签约的业务进行判断， 当确定用户没有签约所述 CS域业务或所述用户签 约的所述 CS域业务中只有所述 SMS业务，则将 MME注册成为为用户提供 SMS 业务的服务节点， 通过用户服务器根据用户签约的业务判断是否将 MME注册 成为为用户提供 SMS业务的服务节点， 避免了 MME在不知道用户签约的业务 的情况下，盲目的请求用户服务器将其注册为用户提供 SMS业务的服务节点而 导致 MME和用户服务器间额外的信令交互， 进而节约了通信资源。 需要说明的是， 在本发明实施例中， 处理器 501还可以执行确定所述位置 更新请求中没有携带将所述 MME注册成为为用户提供 SMS业务的服务节点的 指示信息， 根据用户标识判断用户是否签约了电路 CS域业务或判断所述用户 签约的电路 CS域业务中是否只有 SMS业务， 或根据所述位置更新请求携带的 当用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点的指 示信息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签 约的电路 CS域业务中是否只有 SMS业务， 或根据所述位置更新请求携带的用 户设备发起了联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联 合跟踪区 TA或位置区 LA更新请求的指示信息和所述用户标识判断用户是否签 约了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业 务。
图 8为本发明实施例移动性管理网元的一个实施例的结构示意图， 如图 8 所示， 该移动性管理网元 60包括发送模块 601和接收模块 602。
发送模块 601用于向归属用户服务器或归属位置寄存器 HSS/HLR发送位 置更新请求， 所述位置更新请求携带用户标识和用于指示所述 HSS/HLR在用 户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS 节点的指示信息， 以使得所述 HSS/HLR根据所述用户标识和所述指示信息将 所述 MME注册成为为所述用户提供 SMS业务的服务节点；
接收模块 602用于接收所述 HSS/HLR返回的位置更新请求响应， 所述位置 更新请求响应携带注册完成指示， 所述注册完成指示用于通知 MME , 所述 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
在本发明实施例中， 移动性管理网元向 HSS/HLR发送位置更新请求， 位 置更新请求携带用户标识和指示所述 HSS/HLR在用户没有签约所述 CS域业务 或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性管理网 元注册成为为所述用户提供 SMS业务的服务节点的指示信息， 以使得所述 HSS/HLF 艮据所述用户标识和所述指示信息将所述 MME注册成为为所述用户 提供 SMS业务的服务节点，避免了移动性管理网元在不知道用户签约的业务的 情况下， 盲目的请求 HSS/HLR将其注册为用户提供 SMS业务的服务节点而导 致移动性管理网元和 HSS/HLR间额外的信令交互， 进而节约了通信资源。
需要说明的是， 在本发明实施例中， 接收模块 602还可以用于接收所述用 户设备发送的联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联 合跟踪区 TA或位置区 LA更新请求， 所述联合 EPS或 IMSI附着请求或联合 TA或 LA更新请求中不携带仅请求短消息服务 SMS only指示信息。
此外， 发送模块 601还可以用于向用户设备返回联合 EPS或 IMSI附着请求 接受或联合 TA或 LA更新请求接受响应， 所述联合 EPS或 IMSI附着请求接受或 联合 TA/LA更新请求接受响应携带 SMS only指示信息。
图 9为本发明实施例移动性管理网元的另一个实施例的结构示意图，如图 9 所示， 该移动性管理网元包括至少一个处理器 701 , 至少一个网络接口 704, 存储器 705 , 至少一个通信总线 702和用户接口 703。
该通信总线 702用于实现上述组件之间的连接通信;该用户接口 703用于实 现与用户交互。 其中， 该存储器 705可以存储指令， 以使处理器 701执行以下 流程：
向归属用户服务器或归属位置寄存器 HSS/HLR发送位置更新请求， 所述 位置更新请求携带用户标识和用于指示所述 HSS/HLR在用户没有签约所述 CS 域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性 管理网元 MME注册成为为所述用户提供 SMS业务的服务节点的指示信息， 以 使得所述 HSS/HLR根据所述用户标识和所述指示信息将所述 MME注册成为为 所述用户提供 SMS业务的服务节点；
接收所述 HSS/HLR返回的位置更新请求响应， 所述位置更新请求响应携 带注册完成指示， 所述注册完成指示用于通知 MME, 所述 HSS/HLR已经将所 述 MME注册成为为所述用户提供 SMS业务的服务节点。
在本发明实施例中， 移动性管理网元向 HSS/HLR发送位置更新请求， 位 置更新请求携带用户标识和指示所述 HSS/HLR在用户没有签约所述 CS域业务 或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性管理网 元注册成为为所述用户提供 SMS业务的服务节点的指示信息， 以使得所述 HSS/HLF 艮据所述用户标识和所述指示信息将所述 MME注册成为为所述用户 提供 SMS业务的服务节点，避免了移动性管理网元在不知道用户签约的业务的 情况下， 盲目的请求 HSS/HLR将其注册为用户提供 SMS业务的服务节点而导 致移动性管理网元和 HSS/HLR间额外的信令交互， 进而节约了通信资源。
需要说明的是， 在本发明实施例中， 处理器 701还可以执行接收所述用户 设备发送的联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合 跟踪区 TA或位置区 LA更新请求，所述联合 EPS或 IMSI附着请求或联合 TA或 LA 更新请求中不携带仅请求短消息服务 SMS only指示信息。
此外， 处理器 701还可以执行向用户设备返回联合 EPS或 IMSI附着请求接 受或联合 TA或 LA更新请求接受响应， 所述联合 EPS或 IMSI附着请求接受或联 合 TA/LA更新请求接受响应携带 SMS only指示信息。
本领域普通技术人员可以意识到， 结合本文中所公开的实施例描述的各示 例的模块、单元及步骤， 能够以电子硬件、计算机软件或者二者的结合来实现， 为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地 描述了各示例的组成及步骤。 这些功能究竟以硬件还是软件方式来执行， 取决 于技术方案的特定应用和设计约束条件。 专业技术人员可以对每个特定的应用 来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范 围。
所属领域的技术人员可以清楚地了解到， 为了描述的方便和简洁， 上述描 述的系统、 装置、 模块和单元的具体工作过程， 可以参考前述方法实施例中的 对应过程， 在此不再赘述。 在本申请所提供的几个实施例中， 应该理解到， 所揭露的系统、 装置和方 法， 可以通过其它的方式实现。 例如， 以上所描述的装置实施例仅仅是示意性 的， 例如， 所述模块或单元的划分， 仅仅为一种逻辑功能划分， 实际实现时可 以有另外的划分方式， 例如多个单元或模块可以结合或者可以集成到另一个系 统， 或一些特征可以忽略， 或不执行。 另外， 所显示或讨论的相互之间的耦合 或直接耦合或通信连接可以是通过一些接口、 装置、 模块或单元的间接耦合或 通信连接， 也可以是电的， 机械的或其它的形式连接。
所述作为分离部件说明的模块或单元可以是或者也可以不是物理上分开 的， 作为模块或单元显示的部件可以是或者也可以不是物理模块或单元， 即可 以位于一个地方， 或者也可以分布到多个网络模块或单元上。 可以根据实际的 需要选择其中的部分或者全部模块或单元来实现本发明实施例方案的目的。
另夕卜，在本发明各个实施例中的各功能模块或单元可以集成在一个处理模 块或单元中， 也可以是各个模块或单元单独物理存在， 也可以是两个或两个以 上模块或单元集成在一个模块或单元中。上述集成的模块或单元既可以釆用硬 件的形式实现， 也可以釆用软件功能单元的形式实现。
所述集成的模块或单元如果以软件功能模块或单元的形式实现并作为独 立的产品销售或使用时， 可以存储在一个计算机可读取存储介质中。 基于这样 的理解， 本发明的技术方案本质上或者说对现有技术做出贡献的部分， 或者该 技术方案的全部或部分可以软件产品的形式体现出来， 该计算机软件产品存储 在一个存储介质中， 包括若干指令用以使得一台计算机设备 (可以是个人计算 机， 服务器， 或者网络设备等）执行本发明各个实施例所述方法的全部或部分 步骤。而前述的存储介质包括： U盘、移动硬盘、只读存储器（ ROM, Read-Only Memory ) 、 随机存取存储器 ( RAM, Random Access Memory ) 、 磁碟或者 光盘等各种可以存储程序代码的介质。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限于 此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易想到 各种等效的修改或替换， 这些修改或替换都应涵盖在本发明的保护范围之内。 因此， 本发明的保护范围应以权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种确定短消息业务的服务节点的方法， 其特征在于， 包括： 接收移动性管理网元 MME发送的位置更新请求， 所述位置更新请求携带 用户标识；
根据所述位置更新请求和所述用户标识判断用户是否签约了电路 CS域业 务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务；
若所述用户没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只 有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节 点。
2、 根据权利要求 1所述的方法， 其特征在于， 所述根据所述位置更新请求 和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的电 路 CS域业务中是否只有 SMS业务， 包括：
确定所述位置更新请求中没有携带将所述 MME注册成为为用户提供 SMS 业务的服务节点的指示信息， 根据用户标识判断用户是否签约了电路 CS域业 务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
3、 根据权利要求 1所述的方法， 其特征在于， 所述根据所述位置更新请求 和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的电 路 CS域业务中是否只有 SMS业务， 包括：
根据所述位置更新请求携带的当用户没有签约所述 CS域业务或所述用户 签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用 户提供 SMS业务的服务节点的指示信息和所述用户标识判断用户是否签约了 电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务。
4、 根据权利要求 1所述的方法， 其特征在于， 所述根据所述位置更新请求 和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约的电 路 CS域业务中是否只有 SMS业务， 包括： 根据所述位置更新请求携带的用户设备发起了联合演进分组系统 EPS或 国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求的指示 信息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约 的电路 CS域业务中是否只有 SMS业务。
5、 根据权利要求 3或 4所述的方法， 其特征在于， 在所述位置更新请求中 还携带有用于终呼短消息业务路由信息， 所述指示信息通过所述用于终呼短消 息业务路由信息来指示。
6、 根据权利要求 1至 4任一所述的方法， 其特征在于， 所述方法还包括： 向所述 MME返回位置更新请求响应， 所述位置更新请求响应携带注册完 成指示， 所述注册完成指示用于通知所述 MME, 归属用户服务器或归属位置 寄存器 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的服务 节点。
7、 一种确定短消息业务的服务节点的方法， 其特征在于， 包括： 向归属用户服务器或归属位置寄存器 HSS/HLR发送位置更新请求， 所述 位置更新请求携带用户标识和用于指示所述 HSS/HLR在用户没有签约所述 CS 域业务或所述用户签约的所述 CS域业务中只有所述 SMS业务时， 则将移动性 管理网元 MME注册成为为所述用户提供 SMS业务的服务节点的指示信息， 以 使得所述 HSS/HLR根据所述用户标识和所述指示信息将所述 MME注册成为为 所述用户提供 SMS业务的服务节点；
接收所述 HSS/HLR返回的位置更新请求响应， 所述位置更新请求响应携 带注册完成指示， 所述注册完成指示用于通知 MME, 所述 HSS/HLR已经将所 述 MME注册成为为所述用户提供 SMS业务的服务节点。
8、 根据权利要求 7所述的方法， 其特征在于， 在所述位置更新请求中携带 有用于终呼短消息业务路由信息， 所述指示信息通过所述用于终呼短消息业务 路由信息来指示。
9、 根据权利要求 7或 8所述的方法， 其特征在于， 在所述向归属用户服务 器或归属位置寄存器 HSS/HLR发送位置更新请求之前， 所述方法还包括： 接收所述用户设备发送的联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求， 所述联合 EPS或 IMSI附 着请求或联合 TA或 LA更新请求中不携带仅请求短消息服务 SMS only指示信 息。
10、 根据权利要求 9所述的方法， 其特征在于， 在所述接收所述 HSS/HLR 返回的位置更新请求响应之后， 所述方法还包括：
向用户设备返回联合 EPS或 IMSI附着请求接受或联合 TA或 LA更新请求接 受响应， 所述联合 EPS或 IMSI附着请求接受或联合 TA/LA更新请求接受响应携 带所述 SMS only指示信息。
1 1、 一种用户服务器， 其特征在于， 包括：
接收模块， 用于接收移动性管理网元 MME发送的位置更新请求， 所述位 置更新请求携带用户标识；
判断模块， 用于根据所述位置更新请求和所述用户标识判断用户是否签约 了电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务； 注册模块， 用于若所述用户没有签约所述 CS域业务或所述用户签约的所 述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
12、 根据权利要求 1 1所述的用户服务器， 其特征在于， 所述判断模块具体 用于确定所述位置更新请求中没有携带将所述 MME注册成为为用户提供 SMS 业务的服务节点的指示信息， 根据用户标识判断用户是否签约了电路 CS域业 务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或
根据所述位置更新请求携带的当用户没有签约所述 CS域业务或所述用户 签约的所述 CS域业务中只有所述 SMS业务， 则将所述 MME注册成为为所述用 户提供 SMS业务的服务节点的指示信息和所述用户标识判断用户是否签约了 电路 CS域业务或判断所述用户签约的电路 CS域业务中是否只有 SMS业务， 或 根据所述位置更新请求携带的用户设备发起了联合演进分组系统 EPS或 国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求的指示 信息和所述用户标识判断用户是否签约了电路 CS域业务或判断所述用户签约 的电路 CS域业务中是否只有 SMS业务。
13、 根据权利要求 1 1或 12所述的用户服务器， 其特征在于， 所述用户服 务器还包括：
发送模块， 用于向所述 MME返回位置更新请求响应， 所述位置更新请求 响应携带注册完成指示， 所述注册完成指示用于通知所述 MME, 归属用户服 务器或归属位置寄存器 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
14、 一种移动性管理网元， 其特征在于， 包括：
发送模块， 用于向归属用户服务器或归属位置寄存器 HSS/HLR发送位置 更新请求， 所述位置更新请求携带用户标识和用于指示所述 HSS/HLR在用户 没有签约所述 CS域业务或所述用户签约的所述 CS域业务中只有所述 SMS业 点的指示信息， 以使得所述 HSS/HLR根据所述用户标识和所述指示信息将所 述 MME注册成为为所述用户提供 SMS业务的服务节点；
接收模块， 用于接收所述 HSS/HLR返回的位置更新请求响应， 所述位置 更新请求响应携带注册完成指示， 所述注册完成指示用于通知 MME , 所述 HSS/HLR已经将所述 MME注册成为为所述用户提供 SMS业务的服务节点。
15、 根据权利要求 14所述的移动性管理网元， 其特征在于， 所述接收模块 还用于接收所述用户设备发送的联合演进分组系统 EPS或国际移动用户号码 IMSI附着请求或联合跟踪区 TA或位置区 LA更新请求， 所述联合 EPS或 IMSI附 着请求或联合 TA或 LA更新请求中不携带仅请求短消息服务 SMS only指示信 息。
16、 根据权利要求 15所述的移动性管理网元， 其特征在于， 所述发送模块 还用于向用户设备返回联合 EPS或 IMSI附着请求接受或联合 TA或 LA更新请求 接受响应， 所述联合 EPS或 IMSI附着请求接受或联合 TA/LA更新请求接受响应 携带所述 SMS only指示信息。
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