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WO2016034018A1 - Procédé, dispositif et serveur d'abonné résidentiel pour rétablissement d'un service de dispositif à dispositif - Google Patents

Procédé, dispositif et serveur d'abonné résidentiel pour rétablissement d'un service de dispositif à dispositif Download PDF

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Publication number
WO2016034018A1
WO2016034018A1 PCT/CN2015/083606 CN2015083606W WO2016034018A1 WO 2016034018 A1 WO2016034018 A1 WO 2016034018A1 CN 2015083606 W CN2015083606 W CN 2015083606W WO 2016034018 A1 WO2016034018 A1 WO 2016034018A1
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WIPO (PCT)
Prior art keywords
user
location data
hss
communication server
proximity communication
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PCT/CN2015/083606
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English (en)
Chinese (zh)
Inventor
卢飞
朱进国
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ZTE Corp
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ZTE Corp
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    • 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]

Definitions

  • the present invention relates to the field of communications, and in particular, to a device-to-device (D2D) service recovery method and device, and a Home Subscriber Server (HSS).
  • D2D device-to-device
  • HSS Home Subscriber Server
  • Direct communication between devices in the vicinity using Device to Device can bring many benefits to the terminal, such as higher speed, lower latency and lower power consumption, and greatly improved.
  • the wireless resource efficiency of the operator, the D2D Relay mode is beneficial to the operator to improve the wireless coverage; for the application, the neighboring information in the D2D communication process can be used to develop a more attractive new service.
  • the Public Safety system can also use D2D technology to enable communication between terminals without wireless coverage.
  • FIG. 1 is a schematic diagram of a D2D architecture related to 3GPP according to the related art. As shown in FIG. 1, the functions of the key network elements are as follows:
  • Terminal User equipment (User Equipment, UE for short) is used to support the direct discovery of the other party through the air interface between the terminal and the terminal, and does not need to communicate directly through the network.
  • UE User Equipment
  • the core network gateway also called the Packet Data Network Gateway (PDN GW), is configured to provide the access point for the terminal to access the PDN network.
  • the main functions include assigning an IP address to the terminal and sending the terminal up.
  • the data packets are forwarded to the corresponding PDN network through IP, and the data packets sent from the PDN network are mapped to different bearers according to different flows, and then sent to the terminal.
  • PDN GW Packet Data Network Gateway
  • the Home Subscriber Server (HSS) is located on the home network.
  • the main function is to provide subscription information and authentication information for users and applications.
  • a proximity communication server which is located outside the PDN GW.
  • the main functions include D2D service authorization, temporary code allocation for terminal request for terminal broadcast, assistance in D2D discovery, and billing.
  • PLMN public land mobile network
  • FIG. 2 is a schematic diagram of a D2D service authorization process according to the related art. As shown in FIG. 2, the process includes the following steps:
  • Step S202 a connection is established between the terminal and the PDN GW, and after the user IP address is obtained from the PDN GW, an authorization request is sent to the home short-range communication server.
  • the terminal queries the corresponding IP address through the DNS according to the Fully Qualified Domain Name (FQDN) of the home proximity communication server, and then communicates with the address.
  • the FQDN of the home proximity communication server may be statically configured in the terminal or may be derived from the home PLMN ID.
  • the IP address of the belonging proximity communication server can also be configured in the terminal.
  • the authorization message includes the PLMN information and the user identifier IMSI currently hosted by the user;
  • Step S204 if there is no user subscription information in the home proximity communication server, the home proximity communication server requests the user subscription information to the home subscriber server, and the request carries the subscriber identity IMSI;
  • Step S206 after the belonging short-distance communication server acquires the subscription information, it is stored in the local database;
  • Step S208 The home proximity communication server needs to obtain authorization information from the local/visited proximity communication server according to the obtained PLMN list.
  • Step S210 the local/visit proximity communication server returns an authorization response
  • Step S212 the home proximity communication server returns the D2D authorization information of the user according to the user subscription information and the local configuration, and the authorization information includes: a PLMN list that fully authorizes the D2D service and a local PLMN list of the current location of the user;
  • step S208 If it is necessary to authorize a plurality of local/visited proximity communication servers in step S208, the steps of S208-S210 are repeated.
  • the terminal After that, the terminal will decide whether to initiate D2D service according to the authorization result.
  • FIG. 3 is a schematic diagram of a process of acquiring user data from an HSS according to a mobility management unit (Mobility Management Entity, MME, also referred to as a mobility management entity) and a prose function according to the related art, as shown in FIG. 3, in an actual network.
  • HSS may restart due to system instability or upgrade. After the HSS restarts, the mobility management unit and the Prose function set the user data to be unreliable.
  • the UE actively contacts the mobility management unit or the Prose function, the mobility management unit and the Prose function need to acquire user data from the HSS.
  • the mobility management unit can acquire user data from the HSS, so that the UE can perform normal D2D communication. But the UE does not need to send a message to the Prose function, so The Prose function does not actively acquire data from the HSS, which causes the Prose function to be notified when the user data changes. This also causes the D2D communication strategy to be inaccurate; on the other hand, if the Prose function does not receive the UE.
  • the sent message actively acquires data from the HSS, and it is also easy to cause the HSS to be overloaded.
  • the embodiments of the present invention provide a device-to-device service recovery method and device, and a home subscriber server, to at least solve the problem that the policy of the related art may cause the communication of the short-range communication server to be inaccurate after the HSS restarts.
  • a device-to-device D2D service recovery method including: after a home subscriber server HSS restarts, receiving a location data update request message sent by a first mobility management unit MME; The HSS sends an Insert User Location Data message to the Near Field Communication Server, where the Insert User Location Data message carries user location data related to the proximity communication service.
  • the method before the HSS sends the insertion user location data message to the proximity communication server, the method further includes: the HSS parsing the address of the corresponding proximity communication server according to the identifier of the user, where The near field communication server address is used by the HSS to send the inserted user location data message to the proximity communication server.
  • the method before the HSS sends the insert user location data message to the proximity communication server, the method further includes: the HSS determining whether to send the insert user location data message to the proximity communication server.
  • the HSS determines whether the sending the user location data message to the proximity communication server includes at least one of the following: the HSS determines whether the user uses the D2D service in the current public land mobile network PLMN, If yes, sending the insertion user location data message to the proximity communication server; the HSS determining whether the received location data update request message carries a recovery indication, and if so, to the proximity communication server The insert user location data message is sent.
  • the location data update request message carries the recovery indication.
  • the recovery indication is carried by the first MME to the second MME in the context acquisition process.
  • the location data update request message includes: location information of the user, where the location information includes a PLMN identity ID where the user is located.
  • a device-to-device D2D service recovery device is located in the home subscriber server HSS, and includes: a receiving module, configured to receive, after the home subscriber server HSS restarts, the mobility management unit MME to send a location data update request message of the user; the sending module is configured to send an insert user location data message to the proximity communication server, where the inserted user location data message carries user data related to the short-range communication service, so that the proximity communication server updates Related user location data.
  • the apparatus further includes: a parsing module, configured to parse the address of the corresponding short-range communication server according to the identifier of the user, where an address of the short-range communication server is used for the HSS The inserted user location data message is sent to the proximity communication server.
  • a parsing module configured to parse the address of the corresponding short-range communication server according to the identifier of the user, where an address of the short-range communication server is used for the HSS The inserted user location data message is sent to the proximity communication server.
  • the apparatus further includes: a determining module, configured to determine whether to send an insert user location data message to the proximity communication server.
  • the determining module includes at least one of the following: a first determining unit, configured to determine whether the user uses a D2D service in a current public land mobile network PLMN, and if yes, to the short-range communication The server sends the inserted user location data message; the second determining unit is configured to determine whether the received location data update request message carries a recovery indication, and if yes, send the inserted user location to the proximity communication server Data message.
  • the location update request message includes: location information of the user, where the location information includes a PLMN identity ID where the user is located.
  • a home subscriber server HSS including the apparatus for device-to-device D2D service recovery described above.
  • the location data update request message of the user sent by the first MME is received; the HSS sends an insert user location data message to the proximity communication server, where the inserted user location data message is carried.
  • the method of user location data related to the short-distance communication service solves the problem that the strategy of the short-distance communication server communication may be inaccurate after the HSS restarts in the related art, and improves the accuracy and real-time performance of the communication strategy of the short-range communication server, and There is no need to occupy a large amount of signaling resources, and the situation that causes the HSS to be overloaded is avoided.
  • FIG. 1 is a schematic diagram of a D2D architecture related to 3GPP according to the related art
  • FIG. 2 is a schematic diagram of a D2D service authorization process according to the related art
  • FIG. 3 is a schematic diagram of a process of acquiring user data to an HSS by a mobility management unit and a prose function according to the related art
  • FIG. 5 is a structural block diagram of an apparatus for D2D service recovery according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of an HSS according to an embodiment of the present invention.
  • FIG. 7 is a flow chart of a method for D2D service recovery according to a preferred embodiment of the present invention.
  • FIG. 8 is a first schematic flowchart of a specific implementation process according to a preferred embodiment of the present invention.
  • FIG. 9 is a second schematic diagram of a process of a specific implementation process in accordance with a preferred embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for D2D service recovery according to an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:
  • Step S402 after the HSS restarts, receiving a location data update request message of the user sent by the first MME;
  • Step S404 the HSS sends an insertion user location data message to the proximity communication server (prose function), where the insertion user location data message carries user location data related to the short-range communication service.
  • the embodiment After the HSS restarts and receives the location update request message sent by the first MME, the embodiment sends an insert user location data message to the corresponding short-range communication server, where the inserted user location data message carries the short-range communication service.
  • Relevant user location data so that the proximity communication server can also update related user location data in time, and solve the problem that the strategy of the proximity communication server communication may be inaccurate after the HSS restart in the related art, and the proximity communication server is improved.
  • the accuracy and real-time performance of the communication strategy and does not need to occupy a large amount of signaling resources, and avoids the situation that causes the HSS to be overloaded.
  • the HSS may be parsed according to the identifier of the user (for example, International Mobile Subscriber Identity, IMSI). And an address of the corresponding short-range communication server, wherein the near-field communication server address is used by the HSS to send the inserted user location data message to the proximity communication server.
  • IMSI International Mobile Subscriber Identity
  • the HSS may determine whether to send the insertion user location data message to the proximity communication server. Specifically, the following two methods for determining the HSS are provided in this embodiment:
  • the HSS may determine whether to send the inserted user location data message to the proximity communication server according to whether the user uses the D2D service in the current PLMN, for example, if the user is in the current PLMN. Using the D2D service, sending the inserted user location data message to the proximity communication server, otherwise not transmitting;
  • the HSS may further determine, according to the received location data update request message, whether to carry a recovery indication, to determine whether to send the inserted user location data message to the proximity communication server, for example, if received
  • the location update request message carries a recovery indication, and the inserted user location data message is sent to the proximity communication server, otherwise it is not sent.
  • the recovery indication may be carried in the location data update request message if the user location data location is unavailable in the first MME and the user is allowed to use the D2D service. And when the UE is registered in a new MME (the destination MME, referred to herein as the second MME), for example, if the user switches from the first MME to the second MME to register, the recovery indication may be from the original The MME (first MME) is carried to the destination MME (second MME) in the context acquisition process.
  • the location data update request message may include location information of the user, where the location information includes a PLMN identity (PLMN ID) where the user is located.
  • PLMN ID PLMN identity
  • a device for recovering the D2D service is also provided, which is located in the HSS, and the device is configured to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 5 is a structural block diagram of an apparatus for D2D service recovery according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes: a receiving module 52 and a sending module 54, and each module is described in detail below:
  • the receiving module 52 is configured to: after the HSS restarts, receive a location data update request message sent by the MME; the sending module 54 is connected to the receiving module 52, and is configured to send an insert user location data message to the proximity communication server, where The inserted user location data message carries user location data related to the short-range communication service.
  • the device may further include a parsing module, and is connected to the sending module 54 and configured to parse an address of the corresponding short-range communication server according to the identifier of the user, where the short-distance communication server address is used for
  • the HSS transmits the Insert User Location Data message to the proximity communication server.
  • the apparatus may further include: a determining module, connected to the receiving module 52, and the sending module 54, and configured to determine whether to send the inserted user location data message to the proximity communication server.
  • a determining module connected to the receiving module 52, and the sending module 54, and configured to determine whether to send the inserted user location data message to the proximity communication server.
  • the determining module may include at least one of the following: a first determining unit, configured to determine whether the user uses a D2D service in a current public land mobile network (PLMN), and if yes, to the The short-distance communication server sends the inserted user location data message; the second determining unit is configured to determine whether the received location data update request message carries a recovery indication, and if yes, send the to the proximity communication server Insert user location data message.
  • PLMN public land mobile network
  • the location update request message includes: location information of the user, where the location information may include a PLMN ID where the user is located.
  • FIG. 6 is a structural block diagram of an HSS according to an embodiment of the present invention. As shown in FIG. 6, the HSS includes a device for D2D service recovery as shown in FIG. 5.
  • a method and apparatus for near field communication service recovery an HSS, wherein the method specifically includes: receiving a location update request message from a mobility management unit (also referred to as location data) After the new request message, the HSS sends an Insert User Data message (also called a User Location Data Message) to the Prose function, which carries the user data (also called user location data) related to the Prose service.
  • a location update request message from a mobility management unit (also referred to as location data)
  • the HSS sends an Insert User Data message (also called a User Location Data Message) to the Prose function, which carries the user data (also called user location data) related to the Prose service.
  • the HSS determines whether to send an Insert User Data message to the Prose function according to whether the user uses the D2D service in the current PLMN.
  • the location update request message carries a recovery indication; the recovery indication is set to instruct the HSS to send an insert user data message to the Prose function.
  • the location update request message carries the location information of the user, where the location information includes the PLMN ID of the user.
  • the recovery indication is set according to user data in the mobility management unit being unreliable and the user is allowed to use the D2D service.
  • the recovery indication is carried by the original mobility management unit to the destination mobility management unit during the context acquisition process.
  • the HSS for D2D service recovery includes:
  • the location update request message carries a recovery indication; the recovery indication is set to instruct the HSS to send an insert user data message to the Prose function.
  • FIG. 7 is a flowchart of a method for D2D service recovery according to a preferred embodiment of the present invention. As shown in FIG. 7, the process includes the following steps:
  • Step S702 after the HSS restarts, sending a restart message to the mobility management unit Prose function, the mobility management unit and the Prose function respectively setting the user data to be unreliable; when the mobility management unit receives the non-access stratum (NAS) message of the UE, The mobility management unit sends a location update request message to the HSS, where the request message carries a recovery indication.
  • the recovery indication is that the mobility management unit is configured according to the unreliable flag of the user data and whether the user is allowed to use the D2D service, and the request message may also be carried.
  • the PLMN ID that the user is currently camping on;
  • Step S704 the HSS parses the address corresponding to the prose function according to the identifier of the user IMSI; if the location update request message does not carry the recovery indication in step S702, the HSS may also be based on whether the user is currently
  • the PL2 uses the D2D service to determine whether to send the insert user data message to the Prose function. If the user can use the D2D service in the current PLMN, the HSS can send the insert user data message to the Prose function, and vice versa;
  • Step S706 the HSS sends an insert user data message to the prose function, and the Prose function sets the user data to be authenticated after receiving the insert user data message.
  • FIG. 8 is a first schematic flowchart of a specific implementation process according to a preferred embodiment of the present invention.
  • the schematic diagram is a flow chart in which the mobility management unit registered by the UE does not change. As shown in FIG. 8, the process includes the following steps:
  • Step S802 after the HSS restarts, sending a restart message to the MME.
  • Step S804 after the HSS restarts, sending a restart message to the Prose function;
  • Step S806 the MME sets the user data to be unreliable
  • Step S808 the Prose function sets the user data to be unreliable
  • Step S810 the MME receives the NAS message sent by the user, and the NAS message includes a Tracking Area Update (TAU request message, a service request message;
  • TAU request message Tracking Area Update
  • service request message a service request message
  • Step S812 the MME sends a location update request message to the HSS, where the request message carries a recovery indication.
  • the recovery indication is that the mobility management unit is configured according to the unreliable flag of the user data and whether the user is allowed to use the D2D service, and the request message may also be carried.
  • the PLMN ID that the user is currently camping on;
  • Step S814 the HSS sends a location update confirmation message to the MME, and the MME sets the user data to be authenticated.
  • step S816 because a PLMN only deploys a Prose function, the HSS can parse the address corresponding to the Prose function according to the user IMSI identifier, and the HSS sends an insert user data request to the Prose function; if the location update request message does not carry the recovery indication in step S812
  • the HSS may also decide whether to send the insert user data message to the Prose function according to whether the user uses the D2D service in the current PLMN. If the user can use the D2D service in the current PLMN, the HSS may send the insert user data message to the Prose function, and vice versa. Not sent;
  • Step S818 the Prose function returns an Insert User Data Response message to the HSS, and sets the user data to authenticated.
  • FIG. 9 is a second schematic flowchart of a specific implementation process according to a preferred embodiment of the present invention.
  • the schematic diagram is a flowchart of a change of a mobility management unit registered by a UE. As shown in FIG. 9, the process includes the following steps:
  • Step S902 after the HSS restarts, sending a restart message to the MME.
  • Step S904 after the HSS restarts, sending a restart message to the Prose function;
  • Step S906 the MME sets the user data to be unreliable
  • Step S908 the Prose function sets the user data to be unreliable
  • step S910 the MME receives the TAU request message sent by the user, and the TAU request message carries the global unique temporary identity (GUTI;
  • GUI global unique temporary identity
  • Step S912 The new MME obtains the address of the original MME according to the GUTI, and sends a context acquisition request message to the original MME to obtain the user context and the bearer context.
  • Step S914 the original MME carries the recovery indication to the new MME in the context acquisition process
  • the original MME sends a context response message to the new MME, where the response message carries the user context and the bearer context.
  • the response message further carries a recovery indication or the user message is unreliable and the user is allowed to use the D2D service information; the new MME can determine the recovery according to the unreliable user data carried by the original MME and the D2D service information allowed by the user.
  • Step S916 the new MME returns a context confirmation message to the original MME.
  • Step S918 the MME sends a location update request message to the HSS, where the request message can carry a recovery indication.
  • the recovery indication is determined by the new MME or carried by the original MME, and the request message may further carry the PLMN ID that the user is currently camping on;
  • Step S920 the HSS sends a location update confirmation message to the MME, and the MME sets the user data to be authenticated.
  • Step S922 the HSS sends an insert user data request to the Prose function
  • the HSS can parse the address corresponding to the Prose function according to the IMSI identifier of the user, and the HSS sends an insert user data request to the Prose function. If the location update request message does not carry the recovery indication in step S918, the HSS may also determine whether to send the insert user data message to the Prose function according to whether the user uses the D2D service in the current PLMN. If the user can use the D2D service in the current PLMN, the HSS may send an insert user data message to the Prose function, and vice versa;
  • Step S924 the Prose function returns an Insert User Data Response message to the HSS, and sets the user data to authenticated.
  • a software is provided that is configured to perform the technical solutions described in the above embodiments and preferred embodiments.
  • a storage medium in which the above software is stored, including but not limited to an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the device-to-device service recovery method and device and the home subscriber server provided by the embodiments of the present invention have the following beneficial effects: the inaccurate strategy of the proximity communication server communication may be solved after the HSS restart in the related art.
  • the problem improves the accuracy and real-time performance of the communication strategy of the short-range communication server, and does not need to occupy a large amount of signaling resources, thereby avoiding the situation that causes the HSS to be overloaded.

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Abstract

La présente invention concerne un procédé, un dispositif et un serveur d'abonné résidentiel (HSS) destinés au rétablissement d'un service de dispositif à dispositif. Le procédé comporte les étapes suivantes: après un redémarrage, le HSS reçoit un message de demande d'actualisation de données de localisation d'utilisateur émis par une première MME; et le HSS envoie un message d'insertion de données de localisation d'utilisateur à un serveur de communications en champ proche, le message d'insertion de données de localisation d'utilisateur transportant des données de localisation d'utilisateur liées à un service de communications en champ proche. Au moyen de la présente invention, le problème rencontré dans la technique apparentée, où une politique de communications du serveur de communications en champ proche peut être amenée à être inexacte après le redémarrage du HSS, est résolu, et l'exactitude et l'instantanéité de la politique de communications du serveur de communications en champ proche sont améliorées, il n'est pas nécessaire d'occuper une grande quantité de ressources de signalisation et une situation de surcharge du HSS est évitée.
PCT/CN2015/083606 2014-09-05 2015-07-08 Procédé, dispositif et serveur d'abonné résidentiel pour rétablissement d'un service de dispositif à dispositif Ceased WO2016034018A1 (fr)

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