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WO2011085623A1 - 本地接入网关获取终端的寻呼信息的方法和系统 - Google Patents

本地接入网关获取终端的寻呼信息的方法和系统 Download PDF

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Publication number
WO2011085623A1
WO2011085623A1 PCT/CN2010/079611 CN2010079611W WO2011085623A1 WO 2011085623 A1 WO2011085623 A1 WO 2011085623A1 CN 2010079611 W CN2010079611 W CN 2010079611W WO 2011085623 A1 WO2011085623 A1 WO 2011085623A1
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WIPO (PCT)
Prior art keywords
terminal
paging information
access gateway
network element
local
Prior art date
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PCT/CN2010/079611
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English (en)
French (fr)
Inventor
梁爽
周娜
王静
宗在峰
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ZTE Corp
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ZTE Corp
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of communications, and in particular to a method and system for a local access gateway to acquire paging information of a terminal.
  • BACKGROUND OF THE INVENTION In order to maintain the competitiveness of the third generation mobile communication system in the communication field, the user is provided with a faster, less delayed, and more personalized mobile communication service, and at the same time, reducing the operator's operating cost, 3GPP (3rd)
  • 3rd The Generation Partnership Project, the 3rd Generation Partnership Project, is working on the Evolved Packet System (EPS).
  • FIG. 1 shows a schematic structural diagram of an evolved packet domain system. As shown in FIG. 1, the entire EPS system is divided into two parts: a radio access network and a core network.
  • the Home Subscriber Server (HSS), the Mobile '1' Mobility Management Entity (MME), and the Serving GPRS Support Node (SGSN) are included in the policy.
  • Policy and Charging Rule Function (PCRF), Serving Gateway (S-GW), Packet Data Gateway (PDN), and Packet Data Network (PDN).
  • PCRF Policy and Charging Rule Function
  • S-GW Serving Gateway
  • PDN Packet Data Gateway
  • PDN Packet Data Network
  • the home subscriber server is the permanent storage location of the subscriber subscription data, and is located in the home network to which the subscriber subscribes.
  • the mobility management entity is the location where the subscriber subscription data is stored in the current network, and is responsible for the terminal to the network. Access layer signaling management, terminal security-risk function, terminal mobility management, user idle mode tracking and paging management functions and bearer management.
  • the network access service access point of the user access network is similar to the mobility management entity, and is responsible for the user's location update, paging management, and bearer management functions.
  • the monthly service gateway is the gateway of the core network to the wireless system.
  • the service gateway is responsible for counting the situation in which the user terminal uses the wireless network, and generates the CDRs of the terminal using the wireless network, and transmits the CDRs to the charging gateway.
  • the packet data gateway is a gateway of the evolved system and the external packet data network of the system. It is connected to the Internet and the packet data network, and is responsible for the Internet Protocol (IP) address allocation, charging function, packet filtering, and policy of the terminal. Control and other functions.
  • IP Internet Protocol
  • the packet data network is the operator's IP service network, which provides IP services to users through the operator's core network.
  • the policy charging rule function entity is a server in the evolution system responsible for providing rules for charging control, online credit control, threshold control, and quality of service (QoS) policies.
  • the radio access network is composed of an evolved base station (E-UTRAN NodeB, eNB) and a 3G radio network controller (RNC).
  • E-UTRAN NodeB, eNB evolved base station
  • RNC 3G radio network controller
  • the above-mentioned monthly GPRS support node is an upgraded SGSN, which can support the S4 interface with the monthly service gateway, and communicates with the mobility management unit using the GTPv2 protocol.
  • the PS domain network architecture is different from that of Figure 1.
  • the SGSN and the MME are connected by the Gn interface, and the GTPvl protocol is used for interworking.
  • the SGSN cannot be connected to the serving gateway, and is connected to the Gateway GPRS Support Node (GGSN) through the Gn interface to directly access the packet data network.
  • GGSN Gateway GPRS Support Node
  • HNB Home NodeB
  • HeNB evolved Home eNodeN
  • 3G 3 Generation, 3rd Generation
  • LTE Long Term Evolution, Long Term Evolution
  • HNB GW home base station gateway
  • the main functions performed by the home base station gateway are: verifying the security of the home base station, performing maintenance and management on the operation of the home base station, configuring and controlling the home base station according to the operator's requirements, and exchanging data information of the core network and the home base station.
  • FIG. 2 is a schematic diagram of a network architecture of a 3G home base station.
  • the 3G home base station is connected to the home base station gateway through a newly defined Iuh interface, and the home base station gateway provides IuPS and IuCs interfaces to the core network packet domain and the circuit domain.
  • the home base station gateway must be deployed to shield the impact on the terminal and the network side after the introduction of the home base station.
  • the home base station gateway can be optionally deployed. Therefore, the LTE home base station and the core network are connected in two ways, one is a home base station and a core network element. The other is that the home base station is connected to the core network element through the gateway.
  • FIG. 3 is one of the network architecture diagrams of the LTE home base station according to the related art
  • FIG. 4 is a network architecture of the LTE home base station according to the related art.
  • the second schematic as shown in Figure 3 and Figure 4.
  • the home base station gateway may not integrate the user plane function, and the user plane is directly established between the home base station and the core network user plane gateway, so that the user plane is flattened and the data transmission delay is reduced.
  • FIG. 5 is a third schematic diagram of a network architecture of an LTE home base station according to the related art, as shown in FIG. 5.
  • the home base station can also support local IP access functions.
  • the user can implement the user to the home network.
  • Local access to IP devices or the Internet Through the local access function, the Internet data service can be offloaded, the core network load can be reduced, and the access to the home network device can be forwarded without the core network, and the data transmission is convenient and efficient.
  • the local IP access function can also be used on the macro cell.
  • the main purpose is similar to that of the home base station. More is the application of the local IP access to the Internet. The purpose is to reduce the core network load.
  • Figure 6 and Figure 7 show the architecture for implementing the above-mentioned local access function. The main difference is whether there is a home base station gateway.
  • the local access gateway serves as a local access network to an external network (such as the Internet), and provides address allocation, charging, packet filtering, policy control, data offloading, and NAS/RANAP (Radios Access Network Application Part). Network application section) Message parsing, NAT (Network Address Translation), local IP access policy routing and execution.
  • the network element is recommended as a logical unit module (but not mandatory) to be deployed in conjunction with an existing home base station.
  • the radio access gateway recommends (but does not enforce) the joint deployment with the base station, which can be implemented by the architecture of FIG.
  • a primary object of the present invention is to provide a method and system for a local access gateway to acquire paging information of a terminal to solve at least the above problems.
  • a method for a local access gateway to obtain paging information of a terminal including: the mobility management unit sends paging information of a terminal for local paging to a wireless side network element; The wireless side network element sends the received paging information of the terminal to the local access gateway.
  • the method further includes: determining, by the mobility management unit, that the terminal establishes a local connection.
  • the method further includes: when the terminal enters the idle state, the wireless side network element releases the context of the terminal; the local access gateway triggers the paging The paging information in the context of the terminal is sent to the wireless side network element.
  • the method further includes: the mobility management unit determines that the paging information of the terminal changes and the terminal has established a local connection, and the mobility management unit sends the changed new paging information to the wireless side network element; The side network element sends the new paging information to the local access gateway.
  • the method further includes: the local access gateway saves the received paging information of the terminal into the context of the terminal.
  • the paging information comprises at least one of the following: a discontinuous reception time slot of the terminal, an identification index of the terminal, and a core network domain.
  • a method for acquiring paging information of a terminal by a local access gateway further comprising: a mobility management unit transmitting paging information of a terminal for local paging to a wireless side network element
  • the local access gateway located on the data path intercepts the paging information of the terminal.
  • the method further includes: determining, by the mobility management unit, that the terminal establishes a local connection.
  • the method further includes: when the terminal enters an idle state, the wireless side network element releases the context of the terminal; when the local access gateway triggers the paging,
  • the paging information in the context of the terminal is sent to the wireless side network element.
  • the method further includes: the mobility management unit determines that the paging information of the terminal changes and the terminal has established a local connection, and the mobility management unit sends the changed new paging information to the wireless side network element;
  • the local access gateway on the data path intercepts the paging information of the updated terminal.
  • the method further includes: the local access gateway saves the paging information of the intercepted terminal to the context of the terminal.
  • a system for acquiring paging information of a terminal by a local access gateway includes: a mobility management unit, a wireless side network element, and a local access gateway, where: the mobility management unit is used for The paging information of the locally paging terminal is sent to the radio side network element; the radio side network element is configured to send the received paging information of the terminal to the local access gateway.
  • the mobility management unit comprises: a determining module, configured to determine that the terminal establishes a local connection.
  • the wireless side network element includes: a release module, configured to release a context of the terminal when the terminal enters an idle state; the local access gateway further includes: a first sending module, configured to: when the paging is triggered
  • the paging information in the context of the terminal is sent to the wireless side network element.
  • the determining module of the mobility management unit is further configured to determine that the paging information of the terminal changes and the terminal has established a local connection;
  • the mobility management unit further includes: a second sending module, configured to: when the determining module determines that the paging information of the terminal occurs When the terminal has established a local connection, the changed new paging information is sent to the wireless side network element;
  • the wireless side network element further includes: a third sending module, configured to send the new paging information to the local access gateway .
  • the local access gateway includes: a saving module, configured to save paging information of the received terminal into a context of the terminal.
  • a system for acquiring paging information of a terminal by a local access gateway includes: a mobility management unit, a wireless side network element, and a local access gateway, where: the mobility management unit uses The paging information of the terminal for local paging is sent to the wireless side network element; the local access gateway located on the data path intercepts the paging information of the terminal.
  • the mobility management unit comprises: a determining module, configured to determine that the terminal establishes a local connection.
  • the wireless side network element includes: a release module, configured to release the context of the terminal when the terminal enters an idle state; the local access gateway further includes: a first sending module, configured to: when the paging is triggered, ⁇ !
  • the paging information in the context of the terminal is sent to the wireless side network element.
  • the determining module of the mobility management unit is further configured to determine that the paging information of the terminal changes. And the terminal has established a local connection; the mobility management unit further includes: a second sending module, configured to: when the determining module determines that the paging information of the terminal changes and the terminal has established a local connection, send the changed new paging information to the wireless
  • the local access gateway further includes: an intercepting module, configured to intercept new paging information and send the information to the local access gateway.
  • the local access gateway includes: a saving module, configured to save paging information of the received terminal into a context of the terminal.
  • the mobility management unit since the mobility management unit sends the paging information of the terminal to the local access gateway through the wireless side network element, the problem that the local access gateway cannot obtain the paging information of the terminal in the related art is solved, thereby ensuring local connection.
  • the ingress gateway can perform paging optimization when the terminal is in an idle state and receives local connection downlink data.
  • FIG. 1 is a schematic structural diagram of an evolved packet domain system according to the related art
  • FIG. 2 is a schematic diagram of a network architecture of a 3G home base station according to the related art
  • FIG. 3 is a schematic diagram of a network architecture of an LTE home base station according to the related art
  • FIG. 4 is a schematic diagram of a network architecture of an LTE home base station according to the related art
  • FIG. 5 is a third schematic diagram of a network architecture of an LTE home base station according to the related art
  • FIG. 6 is a network architecture for implementing local access according to the related art
  • FIG. 7 is a second schematic diagram of a network architecture for implementing local access according to the related art
  • FIG. 8 is a flowchart 1 of a method for obtaining paging information of a terminal by a local access gateway according to an embodiment of the present invention
  • 9 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when an LTE user initiates an attach procedure according to a preferred embodiment of the present invention
  • 10 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when an LTE user initiates an attach procedure according to a preferred embodiment of the present invention
  • FIG. 11 is a PDN connection initiated by an LTE user according to a preferred embodiment 3 of the present invention
  • FIG. 12 is a flowchart of a method for a local access gateway to acquire paging information of a terminal according to a fourth embodiment of the present invention
  • FIG. 12 is a method for a local access gateway to acquire paging information of a terminal when a UTRAN/GERAN user initiates PDP activation according to a preferred embodiment 4 of the present invention
  • FIG. 13 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when a paging information of a terminal according to a fifth preferred embodiment of the present invention changes
  • FIG. 14 is a flowchart according to an embodiment of the present invention.
  • FIG. 12 is a method for a local access gateway to acquire paging information of a terminal when a UTRAN/GERAN user initiates PDP activation according to a preferred embodiment 4 of the present invention
  • FIG. 13 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when a paging
  • FIG. 15 is a flow chart 2 of a method for obtaining paging information of a terminal by a local access gateway according to an embodiment of the present invention
  • FIG. 16 is a schematic diagram of a system for acquiring paging information of a terminal according to an embodiment of the present invention
  • Step S802 The mobility management unit searches for a terminal for local paging.
  • the call information is sent to the wireless side network element.
  • Step S804 the wireless side network element sends the received paging information of the terminal to the local access gateway.
  • the mobility management unit sends the paging information of the terminal to the local access gateway through the wireless side network element, which solves the problem that the local access gateway cannot obtain the paging information of the terminal in the related art.
  • Using this embodiment can ensure that the local access gateway can perform paging optimization when the terminal is in an idle state and receives local connection downlink data.
  • the method further includes: the mobility management unit determines that the terminal establishes a local connection.
  • the preferred embodiment provides a prerequisite for the mobility management unit to send paging information of the terminal to the local access gateway through the wireless side network element.
  • the mobility management unit determines to establish a local connection without establishing a core network bearer, and sends the paging information to the wireless side network element and forwards it to the local access gateway for subsequent local paging.
  • the method further includes: when the terminal enters the idle state, the wireless side network element releases the context of the terminal; when the local access gateway triggers the paging, the paging information in the context of the terminal is sent to the wireless side network. yuan.
  • the preferred embodiment provides a specific implementation manner of transmitting paging information of the terminal to the wireless side network element when the local access gateway performs local paging.
  • the method further includes: the mobility management unit determines that the paging information of the terminal changes and the terminal has established a local connection, and the mobility management unit sends the changed new paging information to the wireless side network element; The side network element sends the new paging information to the local access gateway.
  • the preferred embodiment provides a specific implementation manner in which the local access gateway acquires new paging information of the terminal when the paging information of the terminal changes.
  • the method further comprises: the local access gateway saving the received paging information of the terminal into the context of the terminal.
  • the local access gateway can use the paging information to page the terminal during subsequent paging.
  • Local paging using the local access gateway can implement paging optimization and avoid the signaling overhead caused by the large-scale paging by the core network.
  • the foregoing paging information includes at least one of the following: a discontinuous reception time slot (DRX) of the terminal, an identifier index of the terminal, and a core network i or.
  • DRX discontinuous reception time slot
  • the wireless side network element releases the context of the UE, and the paging parameter in the UE context needs to be sent to the wireless network element when the local access gateway triggers the paging.
  • Step 9 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when an LTE user initiates an attach procedure according to a preferred embodiment of the present invention.
  • the preferred embodiment 1 does not limit the type of base station, that is, a home base station or a normal base station. In the process description, the home base station is taken as an example, and the impact on the common base station is the same.
  • the radio side network element is a HeNB/eNB
  • the mobility management unit is an MME.
  • the non-access stratum message is sent to the MME by the base station encapsulating the initial user message of the S1 interface, and the base station also informs the core network whether the capability of supporting local access or establishing a local connection is provided. If the terminal senses local access, the attach request also includes information that the terminal wants to establish a local connection, including but not limited to a special APN (Access Point Name), or establishing a local connection indication. Step 902: If there is no context information of the user in the network, or the attach request message does not have integrity protection, or the integrity protection fails, the MME performs an authentication process for the user.
  • APN Access Point Name
  • Steps 903 to 904 if the information about establishing a local connection provided by the UE in the attach request, or the PCO (protocol configuration option) provided by the UE is encrypted, the MME reacquires these parameters through this step.
  • Step 905 If there is no subscription data of the user in the MME, then an update location request message is sent to the home subscriber server, which requests to obtain the subscription data of the UE.
  • Step 906 The MME determines whether to establish a local connection for the terminal according to the information and/or the subscription information and/or the policy information provided by the terminal. In this process, the MME determines that the UE establishes a local connection.
  • the UE establishes information about local access and local access and related information of the paging, wherein the paging related information includes a discontinuous reception slot of the terminal and/or an identifier index of the terminal and/or a core domain.
  • the request also includes an attach accept message sent to the UE.
  • the manner in which the local access gateway obtains the paging information may be: 1.
  • the HeNB sends the paging information to the local access gateway; or
  • the local access gateway is located on the data path, intercepts the initial context setup request sent by the MME to the HeNB, and obtains the paging information contained therein.
  • Step 908 909 the RRC connection is established.
  • Step 910 The HeNB returns an initial context setup response to the MME.
  • Step 4: 911 the UE sends a direct transmission message to the HeNB, where the attach complete message is included.
  • Step 912 The HeNB sends the related information of the paging, that is, the discontinuous reception time slot of the terminal and/or the identifier of the terminal and/or the core network domain to the LGW, and the LGW establishes context information for the UE. Save the above information.
  • Step 913 HeNB ⁇ !
  • the UE sends an attach complete message to the MME.
  • 10 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when an LTE user initiates an attach procedure according to a preferred embodiment 2 of the present invention.
  • the main difference between the preferred embodiment 2 and the preferred embodiment 1 is as follows: If the base station in the preferred embodiment 1 is a home base station, whether there is a home base station gateway in the network. If there is a home base station gateway, all messages passing between the HeNB and the MME need to go through the home base station gateway, and other changes are not mentioned here.
  • Step 11 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when an LTE user initiates a PDN connection according to a preferred embodiment 3 of the present invention.
  • This embodiment does not limit the type of base station, that is, a home base station or a normal base station. In the process description, the home base station is taken as an example, and the impact on the common base station is the same.
  • Step 1101 The terminal initiates a PDN connection establishment request, and the non-access stratum message is sent to the MME by the base station to be encapsulated in the initial user message of the S1 interface, and the base station also informs the core network whether the capability of supporting the LIPA is supported.
  • the PDN connection establishment request also includes information that the terminal wants to establish a local connection, including but not limited to a special APN, or establishing a local connection indication.
  • Step 1102 The MME determines, according to the information and/or the subscription information and/or the policy information provided by the terminal, whether to establish a local connection for the terminal. In this process, the MME determines that the UE establishes a local connection.
  • the request also includes an attach accept message sent to the UE.
  • the manner in which the local access gateway obtains the foregoing paging information may be:
  • the HeNB sends the paging information to the local access gateway.
  • the local access gateway is located on the data path, and intercepts the initial context setup request sent by the MME to the HeNB to obtain the paging information contained therein.
  • Steps 1104 to 1105 the RRC connection is established.
  • Step 1106 The HeNB returns an initial context setup response to the MME.
  • Step 1107 The UE sends a direct transmission message to the HeNB, where the default bearer setup response is included.
  • Step 1108 The HeNB sends the related information of the paging, that is, the discontinuous reception time slot (DRX) of the terminal and/or the identifier of the terminal, and/or the core network domain to the LGW, and the LGW establishes a context for the UE. The above information is saved in the message.
  • Step-109 The HeNB forwards the default transmission setup response sent by the UE to the MME. Similar to the attaching process, in the case where the base station is a home base station and there is a home base station gateway, all the messages transmitted between the HeNB and the MME need to pass through the home base station gateway, and other changes are not described herein.
  • the mobility management unit is an SGSN and the wireless side network element is an HNB.
  • the home base station is taken as an example, and the impact on the common base station is the same. If it is a normal base station, the home base station in the figure is a normal base station, and there is no home base station gateway.
  • the process is applicable to the PDP context activation and the secondary PDP context activation process of the UTRAN/GERAN user.
  • the process description is based on the PDP context activation.
  • Steps 1201 to 1202 the terminal initiates a PDP activation request, and the non-access stratum message is brought to the SGSN via the home base station and the home base station gateway, and the home base station also informs the core network whether the capability of supporting the LIPA is supported. If the terminal senses the local access, the PDN connection establishment request also includes information that the terminal wants to establish a local connection, including but not limited to a special APN, or establishing a local connection indication.
  • Step 1203 If the security-risk certificate needs to be performed on the UE, the step is required.
  • step 1204 the SGSN determines whether to establish a local connection for the terminal according to the information provided by the terminal, and/or the subscription information, and/or the policy information. In this process, the SGSN determines that the UE establishes a local connection.
  • Step 1205 The SGSN returns a PDP activation response to the UE, and sends the PDP activation response to the UE via the home base station gateway and the home base station.
  • Bearer assignment message sent to the home base station and the home base station gateway at the SGSN The PDP activation response is included in the message, and the message further includes: information about allowing local access and paging for the UE, where the paging related information includes a discontinuous reception slot of the terminal and/or an identifier index of the terminal and/or Or core network i or.
  • the manner in which the local access gateway obtains the paging information may be: 1.
  • the home base station sends the paging information to the local access gateway; or
  • the local access gateway is located on the data path, intercepts the bearer assignment message sent by the SGSN to the home base station, and obtains the paging information contained therein.
  • Step 1206 The HNB sends the related information of the paging, that is, the discontinuous reception time slot of the terminal and/or the identifier of the terminal and/or the core network domain to the LGW, and the LGW saves the foregoing information in the establishment context information of the UE.
  • Step 1207 The HNB forwards the PDP activation response to the UE.
  • 13 is a flowchart of a method for a local access gateway to acquire paging information of a terminal when a paging information of a terminal according to a fifth preferred embodiment of the present invention changes.
  • the triggering conditions for the change of the paging information include, but are not limited to, the UE's own DRX changes, and the mobile management entity is notified by the location area update or the routing area update. Or the network side detects that other paging parameters of the UE have changed, and actively initiates a request notification to the related entity. This process is described in the network architecture in which a home base station gateway exists. In the scenario where the home base station system does not have a home base station gateway, all messages are sent to the home base station directly from the mobility management unit without going through the home base station gateway.
  • Step 1301 The mobility management unit finds that the parameters related to the terminal paging have changed, and the terminal has established a local connection.
  • Step 4 is gathered 1302, and the mobility management unit notifies the home base station by the UE initial context establishment request or the UE context modification request.
  • the request contains the changed paging related parameters, ie the discontinuous reception slot of the terminal and/or the identification index of the terminal and/or the core domain.
  • Step 1303 The home base station will report related information, that is, the discontinuous reception time slot of the terminal and/or Or the identity index of the terminal and/or the core domain is sent to the LGW, and the LGW saves the foregoing information in establishing context information for the UE.
  • Step 4 is gathered 1304, and the home base station returns a response message to the mobility management unit.
  • FIG. 14 is a first schematic diagram of a system for acquiring paging information of a terminal by a local access gateway according to an embodiment of the present invention, including: a mobility management unit 10, a wireless side network element 20, and a local access gateway 30.
  • the management unit 10 is configured to send the paging information of the terminal for local paging to the wireless side network element 20; the wireless side network element 20 is configured to send the paging information of the received terminal to the local access gateway 30.
  • the mobile management unit 10 includes: a determining module 101, configured to determine that the terminal establishes a local connection; and is further configured to determine that the paging information of the terminal changes and the terminal has established a local connection; and the second sending module 102 is configured to determine the module When it is determined that the paging information of the terminal changes and the terminal has established a local connection, the changed new paging information is sent to the wireless side network element.
  • the wireless network element 20 includes: a release module 201, configured to release a context of the terminal when the terminal enters an idle state, and a third sending module 202, configured to send new paging information to the local access gateway.
  • the local access gateway 30 includes: a saving module 301, configured to save the received paging information of the terminal into the context of the terminal.
  • the first sending module 302 is configured to send the paging information in the context of the terminal to the wireless side network element when the paging is triggered.
  • Step S1502 a mobility management unit paging a terminal for local paging The information is sent to the wireless side network element
  • Step S1504 The local access gateway located on the data path intercepts paging information of the terminal.
  • the mobile management unit sends the paging information of the terminal to the radio side network element
  • the local access gateway intercepts the paging information of the terminal in the related message, which solves the problem that the local access gateway cannot obtain the paging of the terminal in the related art.
  • Information problem is a second flowchart of a method for acquiring paging information of a terminal by a local access gateway according to an embodiment of the present invention, including the following steps: Step S1502, a mobility management unit paging a terminal for local paging The information is sent to the wireless side network element;
  • Step S1504 The local access gateway located on the data path intercepts paging information of the terminal.
  • the mobile management unit sends the paging information of the terminal to the radio side network element, and the local access gateway intercepts
  • the method further includes: the mobility management unit determines that the terminal establishes a local connection.
  • the preferred embodiment provides a prerequisite for the mobility management unit to send paging information of the terminal to the local access gateway through the wireless side network element.
  • the mobility management unit determines to establish a local connection without establishing a core network bearer, and sends the paging information to the radio side network element, and the local access gateway intercepts the message to obtain the paging information contained therein for subsequent local paging.
  • the method further includes: when the terminal enters the idle state, the wireless side network element releases the context of the terminal; when the local access gateway triggers the paging, the paging information in the context of the terminal is sent to the wireless side. Network element.
  • the preferred embodiment provides a specific implementation manner of transmitting paging information of the terminal to the wireless side network element when the local access gateway performs local paging.
  • the method further includes: the mobility management unit determines that the paging information of the terminal changes and the terminal has established a local connection, and the mobility management unit sends the changed new paging information to the wireless side network element; The local access gateway on the data path intercepts the paging information of the updated terminal.
  • the preferred embodiment provides a specific implementation manner in which the local access gateway acquires new paging information of the terminal when the paging information of the terminal changes.
  • the method further comprises: the local access gateway saving the received paging information of the terminal into the context of the terminal.
  • the local access gateway can use the paging information to page the terminal during subsequent paging.
  • Local paging using the local access gateway can implement paging optimization and avoid the signaling overhead caused by the large-scale paging by the core network.
  • the foregoing paging information includes at least one of the following: a discontinuous reception time slot (DRX) of the terminal, an identifier index of the terminal, and a core network i or.
  • DRX discontinuous reception time slot
  • the paging parameter in the UE context needs to be sent to the local access gateway when the paging is triggered.
  • Line ⁇ ⁇ is the network element.
  • the mobility management unit sends the changed new paging information to the wireless side network element, and is located on the data path.
  • the local access gateway intercepts the paging information of the updated terminal.
  • 16 is a second schematic diagram of a system for acquiring paging information of a terminal by a local access gateway according to an embodiment of the present invention, including: a mobility management unit 10, a wireless side network element 20, and a local access gateway 30, where: The unit 10 is configured to send paging information of the terminal for local paging to the wireless side network element 20; the local access gateway 30 located on the data path is connected to the wireless side network element 20, and is configured to intercept the paging of the terminal. information.
  • the mobility management unit 10 includes: a determining module 102, configured to determine that the terminal establishes a local connection.
  • the wireless side network element 20 includes: a release module 202, configured to release a context of the terminal when the terminal enters an idle state; the local access gateway 30 further includes: a first sending module 302, configured to: when the paging is triggered The paging information in the context of the terminal is sent to the wireless side network element 20.
  • a release module 202 configured to release a context of the terminal when the terminal enters an idle state
  • the local access gateway 30 further includes: a first sending module 302, configured to: when the paging is triggered The paging information in the context of the terminal is sent to the wireless side network element 20.
  • the determining module 102 of the mobility management unit 10 is further configured to determine that the paging information of the terminal changes and the terminal has established a local connection; the mobile management unit 10 further includes: a second sending module 104, configured to determine, by the determining module, the terminal When the paging information changes and the terminal establishes a local connection, the changed new paging information is sent to the wireless side network element; the local access gateway located on the data path is also used to intercept the new paging information.
  • the local access gateway 30 includes: a saving module 304, configured to save the paging information of the terminal into the context of the terminal.
  • the local access gateway can obtain the paging information of the terminal from the mobility management unit through the wireless side network element; (2) can ensure that the local access gateway can execute when the terminal is in an idle state and receives the local connection downlink data. Paging optimization.
  • the computing devices 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, The steps shown or described may be performed in an order different than that herein, or they may be separately fabricated into individual integrated circuit modules, or a plurality of the modules or steps may be implemented as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

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Abstract

本发明公开了一种本地接入网关获取终端的寻呼信息的方法和系统,该方法包括:移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线侧网元;无线侧网元将接收到的终端的寻呼信息发送给本地接入网关。本发明能够保证本地接入网关在终端处于空闲状态并且收到本地连接下行数据的时候能够执行寻呼优化。

Description

本地接入网关获取终端的寻呼信息的方法和系统 技术领域 本发明涉及通信领域, 具体而言, 涉及一种本地接入网关获取终端的寻 呼信息的方法和系统。 背景技术 为了保持第三代移动通信系统在通信领域的竟争力, 为用户提供速率更 快、 时延更低、 更加个性化的移动通信服务, 同时, 降低运营商的运营成本, 3GPP ( 3rd Generation Partnership Project, 第三代合作伙伴计划)标准工作组 正致力于演进分组系统 ( Evolved Packet System, EPS ) 的研究。 图 1示出了演进分组域系统的结构示意图, 如图 1所示, 整个 EPS系统 分为无线接入网和核心网两部分。在核心网中,包含了归属用户月艮务器( Home Subscriber Server, HSS )、 移动 '1"生管理实体 ( Mobility Management Entity, MME )、 服务 GPRS支持节点 ( Serving GPRS Support Node, SGSN ), 策略 计费规则功能( Policy and Charging Rule Function, PCRF ),月艮务网关( Serving Gateway, S-GW )、 分组数据网关 (PDN Gateway, P-GW ) 和分组数据网络 ( Packet Data Network, PDN )。 下面详细介绍各部分的功能: 归属用户服务器, 是用户签约数据的永久存放地点, 位于用户签约的归 属网。 移动性管理实体, 是用户签约数据在当前网络的存放地点, 负责终端到 网络的非接入层信令管理、 终端的安全 -险证功能、 终端的移动性管理、 用户 空闲模式下的跟踪和寻呼管理功能和承载管理。 月艮务 GPRS支持节点, 是 GERAN ( GSM/EDGE Radio Access Network, GSM/EDGE 无线接入网 ) 和 UTRAN ( Universal Terrestrial Radio Access Network, 全球陆上无线接入网 ) 用户接入核心网络的业务支持点, 功能上 与移动性管理实体类似, 负责用户的位置更新、寻呼管理和承载管理等功能。 月艮务网关, 是核心网到无线系统的网关, 负责终端到核心网的用户面 7 载、 终端空闲模式下的数据緩存、 网络侧发起业务请求的功能、 合法监听和 分组数据路由和转发功能; 服务网关负责统计用户终端使用无线网的情况, 并产生终端使用无线网的话单, 传送给计费网关。 分组数据网关, 是演进系统和该系统外部分组数据网络的网关, 它连接 到因特网和分组数据网络上, 负责终端的互联网协议( Internet Protocol , IP ) 地址分配、 计费功能、 分组包过滤、 策略控制等功能。 分组数据网络, 是运营商的 IP业务网络, 该网络通过运营商的核心网为 用户提供 IP服务。 策略计费规则功能实体, 是演进系统中负责提供计费控制、 在线信用控 制、 门限控制、 服务质量(Quality of Service, QoS )策略方面规则的服务器。 无线接入网, 是由演进基站 (E-UTRAN NodeB , eNB ) 和 3G无线网络 控制器 (Radio Network Control, RNC )组成, 它主要负责无线信号的收发, 通过空中接口和终端联系, 管理空中接口的无线资源、 资源调度、 接入控制。 上述月艮务 GPRS支持节点是升级过的 SGSN, 能够支持与月艮务网关之间 的 S4接口, 并与移动性管理单元之间釆用 GTPv2协议进行互通。 而对于支 持 3G核心网的 SGSN来说 PS域网络架构与图 1有所不同。 此时 SGSN与 MME釆用 Gn接口相连, 互通釆用 GTPvl协议。 SGSN不能与服务网关相 连, 通过 Gn接口连接到网关 GPRS支持节点( Gateway GPRS Support Node, GGSN ) 直接进行分组数据网络访问。 家庭基站(Home NodeB, HNB )或者演进的家庭基站 ( Home eNodeN, HeNB )是一类小型、 氐功率的基站, 可以应用在 3G ( 3 Generation, 第三代) 或者 LTE ( Long Term Evolution, 长期演进 ) 移动通信网络中。 为了便于对 家庭基站进行管理, 在网络中引入了一个新网元, 即家庭基站网关 (HNB GW )。 家庭基站网关主要执行的功能为: 验证家庭基站的安全性, 对家庭基 站的运行进行维护管理, 根据运营商要求配置和控制家庭基站, 负责交换核 心网和家庭基站的数据信息。 图 2是 3G家庭基站的网络架构示意图, 3G家庭基站通过新定义的 Iuh 接口连接至家庭基站网关, 家庭基站网关提供到核心网分组域和电路域的 IuPS和 IuCs接口。对于 3G网络来说家庭基站网关必选部署用来展蔽引入家 庭基站后对终端和网络侧的影响。对于 LTE网络来说家庭基站网关可选部署, 因此 LTE家庭基站和核心网连接有两种方式,一种是家庭基站和核心网网元 直接相连, 另一种是家庭基站通过网关和核心网网元相连, 图 3是才艮据相关 技术的 LTE 家庭基站的网络架构示意图之一, 图 4是根据相关技术的 LTE 家庭基站的网络架构示意图之二, 如图 3和图 4所示。 对于图 4所示引入家 庭基站网关的场景, 家庭基站网关可以不集成用户面功能, 家庭基站和核心 网用户面网关间直接建立用户面, 这样可以使用户面扁平化, 数据传输时延 减小, 图 5是根据相关技术的 LTE家庭基站的网络架构示意图之三, 如图 5 所示。 家庭基站除了支持通过移动核心网络的接入之外,还可以支持本地 IP接 入功能, 在家庭基站具备本地 IP接入能力并且用户签约允许本地 IP访问的 条件下, 可以实现用户对家庭网络其他 IP设备或者互联网络的本地接入。 通 过本地接入功能, 可以实现 Internet数据业务的分流, 降低核心网负荷, 并 且对于家庭网络设备的访问可以不通过核心网来进行转发, 数据传输便捷高 效。 本地 IP接入功能在宏蜂窝上也可以使用, 主要用途和家庭基站类似, 更 多的是应用在本地 IP接入 Internet这种场景, 目的是降低核心网负荷。 图 6 和图 7分别给出了实现上述本地接入功能的架构, 主要差别体现在是否存在 家用基站网关。其中,本地接入网关作为本地接入到外部网络(例如 Internet ) 的网络, 提供地址分配、 计费、 分组包过滤、 策略控制、 数据分流功能、 NAS/RANAP ( Radios Access Network Application Part,无线接入网应用部分) 消息解析、 NAT ( Network Address Translation, 网络地址转换)、 本地 IP访 问策略路由和执行等功能。 该网元作为一个逻辑单元模块在实际部署的时候 建议 (但是不强制) 将其和现有的家用基站联合部署。 对于宏蜂窝实现本地 接入架构, 无线接入网关建议 (但是不强制) 将其和基站联合部署, 可以通 过图 7的架构实现。 因此, 相关技术中存在以下问题: ( 1 ) 在这种架构下移 动管理单元和本地接入网关之间并没有直接的接口, 因此本地接入网关无法 获取到终端的相关信息; (2 ) 由于本地接入网关在这种情况下覆盖的范围有 限, 当终端处于空闲态并且本地连接有下行数据时, 为了避免大范围的寻呼 带来的信令开销, 因此需要通过由本地接入网关在本地寻呼来实现寻呼优化 来进行寻呼优化。 发明内容 本发明的主要目的在于提供一种本地接入网关获取终端的寻呼信息的方 法和系统, 以至少解决上述问题。 才艮据本发明的一个方面, 提供了一种本地接入网关获取终端的寻呼信息 的方法, 包括: 移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线 侧网元; 无线侧网元将接收到的终端的寻呼信息发送给本地接入网关。 优选地, 在移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线 侧网元之前还包括: 移动管理单元判断为终端建立本地连接。 优选地, 在无线侧网元将接收到的终端的寻呼信息发送给本地接入网关 之后还包括: 当终端进入空闲状态时, 无线侧网元释放终端的上下文; 本地 接入网关触发寻呼时, 将终端的上下文中的寻呼信息下发给无线侧网元。 优选地, 在上述的方法中, 还包括: 移动管理单元判断终端的寻呼信息 发生变化并且终端已建立本地连接, 则移动管理单元将变化后新的寻呼信息 发送给无线侧网元; 无线侧网元将新的寻呼信息发送给本地接入网关。 优选地, 在无线侧网元将接收到的终端的寻呼信息发送给本地接入网关 之后还包括: 本地接入网关将接收到的终端的寻呼信息保存到终端的上下文 中。 优选地, 寻呼信息包括以下至少之一: 终端的非连续接收时隙、 终端的 标识索引以及核心网域。 才艮据本发明的一个方面, 还提供了一种本地接入网关获取终端的寻呼信 息的方法, 包括: 移动管理单元将用于本地寻呼的终端的寻呼信息发送给无 线侧网元; 位于数据路径上的本地接入网关截获终端的寻呼信息。 优选地, 在移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线 侧网元之前还包括: 移动管理单元判断为终端建立本地连接。 优选地, 在本地接入网关截获到终端的寻呼信息之后还包括: 当终端进 入空闲状态时, 无线侧网元释放终端的上下文; 本地接入网关触发寻呼时,
^!夺终端的上下文中的寻呼信息下发给无线侧网元。 优选地, 在上述的方法中, 还包括: 移动管理单元判断终端的寻呼信息 发生变化并且终端已建立本地连接, 则移动管理单元将变化后新的寻呼信息 发送给无线侧网元; 位于数据路径上的本地接入网关截获更新的终端的寻呼 信息。 优选地, 在本地接入网关截获到终端的寻呼信息之后还包括: 本地接入 网关将截获到的终端的寻呼信息保存到终端的上下文中。 优选地, 寻呼信息包括以下至少之一: 终端的非连续接收时隙、 终端的 标识索引以及核心网域。 根据本发明的另一方面, 提供了一种本地接入网关获取终端的寻呼信息 的系统, 包括: 移动管理单元、 无线侧网元和本地接入网关, 其中: 移动管 理单元用于将用于本地寻呼的终端的寻呼信息发送给无线侧网元; 无线侧网 元用于将接收到的终端的寻呼信息发送给本地接入网关。 优选地, 移动管理单元包括: 判断模块, 用于判断为终端建立本地连接。 优选地, 无线侧网元包括: 释放模块, 用于当终端进入空闲状态时, 释 放终端的上下文; 本地接入网关还包括: 第一发送模块, 用于当触发寻呼时
^!夺终端的上下文中的寻呼信息下发给无线侧网元。 优选地, 移动管理单元的判断模块还用于判断终端的寻呼信息发生变化 并且终端已建立本地连接; 移动管理单元还包括: 第二发送模块, 用于当判 断模块判断终端的寻呼信息发生变化并且终端已建立本地连接时, 将变化后 新的寻呼信息发送给无线侧网元; 无线侧网元还包括: 第三发送模块, 用于 将新的寻呼信息发送给本地接入网关。 优选地, 本地接入网关包括: 保存模块, 用于将接收到的终端的寻呼信 息保存到终端的上下文中。 才艮据本发明的另一方面, 还提供了一种本地接入网关获取终端的寻呼信 息的系统, 包括: 移动管理单元、 无线侧网元和本地接入网关, 其中: 移动 管理单元用于将用于本地寻呼的终端的寻呼信息发送给无线侧网元; 位于数 据路径上的本地接入网关截获终端的寻呼信息。 优选地, 移动管理单元包括: 判断模块, 用于判断为终端建立本地连接。 优选地, 无线侧网元包括: 释放模块, 用于当终端进入空闲状态时, 释 放终端的上下文; 本地接入网关还包括: 第一发送模块, 用于当触发寻呼时 ^!夺终端的上下文中的寻呼信息下发给无线侧网元。 优选地, 移动管理单元的判断模块还用于判断终端的寻呼信息发生变化 并且终端已建立本地连接; 移动管理单元还包括: 第二发送模块, 用于当判 断模块判断终端的寻呼信息发生变化并且终端已建立本地连接时, 将变化后 新的寻呼信息发送给无线侧网元; 本地接入网关还包括: 截获模块, 用于截 获新的寻呼信息发送给本地接入网关。 优选地, 本地接入网关包括: 保存模块, 用于将接收到的终端的寻呼信 息保存到终端的上下文中。 通过本发明, 由于移动管理单元将终端的寻呼信息通过无线侧网元发送 给本地接入网关, 解决了相关技术中本地接入网关无法获得终端的寻呼信息 的问题, 从而能够保证本地接入网关在终端处于空闲状态并且收到本地连接 下行数据的时候能够执行寻呼优化。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1是根据相关技术的演进分组域系统的结构示意图; 图 2是根据相关技术的 3G家庭基站的网络架构示意图; 图 3是根据相关技术的 LTE家庭基站的网络架构示意图之一; 图 4是根据相关技术的 LTE家庭基站的网络架构示意图之二; 图 5是根据相关技术的 LTE家庭基站的网络架构示意图之三; 图 6是根据相关技术的实现本地接入的网络架构示意图之一; 图 7是根据相关技术的实现本地接入的网络架构示意图之二; 图 8是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的方法的 流程图一; 图 9是根据本发明优选实施例一的 LTE用户发起附着过程时,本地接入 网关获取终端的寻呼信息的方法的流程图; 图 10是根据本发明优选实施例二的 LTE用户发起附着过程时, 本地接 入网关获取终端的寻呼信息的方法的流程图; 图 11是根据本发明优选实施例三的 LTE用户发起 PDN连接时, 本地接 入网关获取终端的寻呼信息的方法的流程图; 图 12是根据本发明优选实施例四的 UTRAN/GERAN用户发起 PDP激 活时, 本地接入网关获取终端的寻呼信息的方法的流程图; 图 13 是 居本发明优选实施例五的终端的寻呼信息发生变化时, 本地 接入网关获取终端的寻呼信息的方法的流程图; 图 14 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的系统 的示意图一; 图 15 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的方法 的流程图二; 图 16 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的系统 的示意图二。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。 图 8是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的方法的 流程图一, 包括以下步 4聚: 步骤 S802,移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线 侧网元; 步骤 S804 , 无线侧网元将接收到的终端的寻呼信息发送给本地接入网 关。 该实施例由于移动管理单元将终端的寻呼信息通过无线侧网元发送给本 地接入网关, 解决了相关技术中本地接入网关无法获得终端的寻呼信息的问 题。 使用该实施例能够保证本地接入网关在终端处于空闲状态并且收到本地 连接下行数据的时候能够执行寻呼优化。 优选地, 在步骤 S802 之前还包括: 移动管理单元判断为终端建立本地 连接。 该优选实施例提供了移动管理单元将终端的寻呼信息通过无线侧网元 发送给本地接入网关的前提条件。 移动管理单元确定建立本地连接而不建立 核心网承载, 将寻呼信息发送给无线侧网元并转发给本地接入网关以进行后 续执行本地寻呼。 优选地, 在步骤 S804 之后还包括: 当终端进入空闲状态时, 无线侧网 元释放终端的上下文; 本地接入网关触发寻呼时, 将终端的上下文中的寻呼 信息下发给无线侧网元。 该优选实施例提供了在本地接入网关进行本地寻呼时将终端的寻呼信息 下发给无线侧网元的具体实施方案。 优选地, 在上述的方法中, 还包括: 移动管理单元判断终端的寻呼信息 发生变化并且终端已建立本地连接, 则移动管理单元将变化后新的寻呼信息 发送给无线侧网元; 无线侧网元将新的寻呼信息发送给本地接入网关。 该优选实施例提供了当终端的寻呼信息发生变化时, 本地接入网关获取 终端的新的寻呼信息的具体实施方案。 优选地, 在步骤 S804 之后还包括: 本地接入网关将接收到的终端的寻 呼信息保存到终端的上下文中。 这样, 本地接入网关在后续的寻呼过程中可 以使用该寻呼信息来寻呼终端。 利用本地接入网关在本地进行寻呼可以实现 寻呼优化, 而且避免了由核心网进行大范围的寻呼带来的信令开销。 优选地, 上述的寻呼信息包括以下至少之一: 终端的非连续接收时隙 ( Discontinuous Reception, DRX )、 终端的标识索引以及核心网 i或。 进一步的, 如果终端进入空闲状态, 无线侧网元释放了 UE的上下文, 那么本地接入网关触发寻呼的时候需要将 UE上下文中的寻呼参数下发给无 线^ ί则网元。 图 9是根据本发明优选实施例一的 LTE用户发起附着过程时,本地接入 网关获取终端的寻呼信息的方法的流程图。该优选实施例一不限定基站类型, 即家用基站或者普通基站。 流程描述中以家用基站为例, 对普通基站的影响 是相同的。 在该优选实施例一中, 无线侧网元是 HeNB/eNB, 移动管理单元 是 MME。 步骤 901 , 当用户开机时发起附着过程注册到核心网中。 该条非接入层 消息由基站封装在 S 1接口的初始化用户消息中带给 MME,基站还将是否支 持本地接入或者建立本地连接的能力告知核心网。 如果终端感知本地接入, 那么附着请求中还将包含终端希望建立本地连接的信息, 该信息包括但不限 于特殊的 APN ( Access Point Name, 接入点名称)、 或者建立本地连接指示。 步骤 902, 如果网络中没有用户的上下文信息, 或者附着请求消息没有 完整性保护, 或者完整性保护失败, 那么 MME执行对用户的鉴权认证过程。 步骤 903〜904, 如果 UE在附着请求中提供的建立本地连接的信息, 或 者 UE提供的 PCO (协议配置选项) 是经过加密的, 那么 MME通过该步骤 重新获取这些参数。 步骤 905 , 如果 MME 中没有用户的签约数据, 那么就向归属用户月艮务 器发送更新位置请求消息, 其请求获得 UE的签约数据。 步骤 906, MME根据终端提供的信息和 /或签约信息和 /或策略信息判断 是否为终端建立本地连接, 本流程中认为 MME判断为 UE建立本地连接。 步 4聚 907, MME向 HeNB发送初始上下文建立请求, 其中包含允许为
UE 建立本地接入和本地接入的相关信息以及寻呼的相关信息, 其中寻呼相 关信息中包括终端的非连续接收时隙和 /或终端的标识索引和 /或核心网域。 该请求中还包含发送给 UE的附着接受消息。 本地接入网关获取上述寻呼信息的方式可以是: 1. HeNB向本地接入网关发送上述寻呼信息; 或者,
2. 本地接入网关位于数据路径上, 截获 MME向 HeNB发送的初始上下 文建立请求, 获取其中包含的寻呼信息。 步骤 908 909, RRC连接建立。 步骤 910, HeNB向 MME返回初始上下文建立响应。 步 4聚 911 , UE向 HeNB发送直传消息, 其中包含附着完成消息。 步骤 912, HeNB将寻呼的相关信息, 即终端的非连续接收时隙和 /或终 端的标识索引和 /或核心网域发送给 LGW, LGW为 UE建立上下文信息中保 存上述信息。 步骤 913 , HeNB ^!夺 UE发送附着完成消息转发给 MME。 图 10是根据本发明优选实施例二的 LTE用户发起附着过程时, 本地接 入网关获取终端的寻呼信息的方法的流程图, 该优选实施例二与优选实施方 式一的主要差别体现在: 如果优选实施例一中的基站是家用基站, 网络中是 否存在家用基站网关。 如果存在家用基站网关, 则所有在 HeNB和 MME之 间传递所有消息都需要经过家用基站网关, 其他并无变化这里不再赞述。 图 11是根据本发明优选实施例三的 LTE用户发起 PDN连接时, 本地接 入网关获取终端的寻呼信息的方法的流程图。 该实施方式不限定基站类型, 即家用基站或者普通基站。 流程描述中以家用基站为例, 对普通基站的影响 是相同的。 步骤 1101 , 终端发起 PDN连接建立请求, 该条非接入层消息由基站封 装在 S 1接口的初始化用户消息中带给 MME, 基站还将是否支持 LIPA的能 力告知核心网。 如果终端感知本地接入, 那么 PDN 连接建立请求中还将包 含终端希望建立本地连接的信息, 该信息包括但不限于特殊的 APN, 或者建 立本地连接指示。 步骤 1102, MME根据终端提供的信息和 /或签约信息和 /或策略信息判断 是否为终端建立本地连接, 本流程中认为 MME判断为 UE建立本地连接。 步 4聚 1103 , MME向 HeNB发送初始上下文建立请求, 其中包含允许为 UE 建立本地接入, 以及寻呼的相关信息, 其中寻呼相关信息中包括终端的 非连续接收时隙和 /或终端的标识索引和 /或核心网域。 该请求中还包含发送 给 UE的附着接受消息。 本地接入网关获取上述寻呼信息的方式可以是:
1. HeNB向本地接入网关发送上述寻呼信息; 或者, 2. 本地接入网关位于数据路径上, 截获 MME向 HeNB发送的初始上下 文建立请求, 获取其中包含的寻呼信息。 步骤 1104〜1105 , RRC连接建立。 步骤 1106, HeNB向 MME返回初始上下文建立响应。 步骤 1107 , UE向 HeNB发送直传消息, 其中包含默认承载建立响应。 步骤 1108 , HeNB 将寻呼的相关信息, 即终端的非连续接收时隙 ( Discontinuous Reception, DRX ) 和 /或, 终端的标识索引, 和 /或, 核心网 域发送给 LGW, LGW为 UE建立上下文信息中保存上述信息。 步-骤 1109 , HeNB将 UE发送默认 载建立响应转发给 MME。 与附着过程类似的, 对于上述基站为家用基站, 并且有家用基站网关的 情况, 所有在 HeNB和 MME之间传递所有消息都需要经过家用基站网关, 其他并无变化这里不再赘述。 图 12是才艮据本发明优选实施例四的 UTRAN/GERAN用户发起 PDP激 活时, 本地接入网关获取终端的寻呼信息的方法的流程图。 在该优选实施例 中, 移动管理单元是 SGSN, 无线侧网元是 HNB。 流程描述中以家用基站为例, 对普通基站的影响是相同的, 如果是普通 基站, 则图中的家用基站为普通基站, 并且没有家用基站网关。 该流程适用 UTRAN/GERAN用户进行 PDP上下文激活和次 PDP上下文激活过程, 流程 描述中以 PDP上下文激活为例, 该 PDP上下文激活的过程中, 对本发明所 涉及的发明内容并无影响, 这里不对此 PDP上下文激活过程故赞述。 步骤 1201〜1202, 终端发起 PDP激活请求, 该条非接入层消息经由家用 基站和家用基站网关带给 SGSN,家用基站还将是否支持 LIPA的能力告知核 心网。 如果终端感知本地接入, 那么 PDN 连接建立请求中还将包含终端希 望建立本地连接的信息, 该信息包括但不限于特殊的 APN, 或者建立本地连 接指示。 步骤 1203 , 如果需要对 UE进行安全-险证则需要执行该步骤。 步骤 1204, SGSN根据终端提供的信息, 和 /或签约信息, 和 /或策略信 息判断是否为终端建立本地连接, 本流程中认为 SGSN判断为 UE建立本地 连接。 步骤 1205 , SGSN向 UE返回 PDP激活响应, 经由家用基站网关和家用 基站发送给 UE。 在 SGSN发送给家用基站和家用基站网关的承载指配消息 中包含上述 PDP激活响应, 该消息中还包括, 允许为 UE建立本地接入以及 寻呼的相关信息,其中寻呼相关信息中包括终端的非连续接收时隙和 /或终端 的标识索引和 /或核心网 i或。 本地接入网关获取上述寻呼信息的方式可以是: 1. 家用基站向本地接入网关发送上述寻呼信息; 或者,
2. 本地接入网关位于数据路径上,截获 SGSN向家用基站发送的承载指 配消息, 获取其中包含的寻呼信息。 步骤 1206, HNB将寻呼的相关信息, 即终端的非连续接收时隙和 /或终 端的标识索引和 /或核心网域发送给 LGW, LGW为 UE建立上下文信息中保 存上述信息。 步骤 1207, HNB将 PDP激活响应转发给 UE。 图 13 是 居本发明优选实施例五的终端的寻呼信息发生变化时, 本地 接入网关获取终端的寻呼信息的方法的流程图。 如果终端的寻呼相关信息发生了变化, 需要执行下述步骤。 寻呼信息发 生变化的触发条件, 包括但不限于, UE 自己的 DRX发生了变化, 通过位置 区更新或者路由区更新通知给移动管理实体。 或者网络侧检测到 UE的其他 寻呼参数发生了变化, 主动发起请求通知给相关实体。 该流程中以存在家庭基站网关的网络架构进行说明。 对于家用基站系统 没有家用基站网关的场景, 所有的消息不需要经过家用基站网关, 直接从移 动管理单元发送给家用基站。 对于 UE从基站接入的情况, 也是所有的消息 直接从移动管理单元发送给基站。 步骤 1301 , 移动管理单元发现终端寻呼相关的参数发生了变化, 并且终 端已经建立了本地连接。 步 4聚 1302, 移动管理单元通过 UE初始上下文建立请求, 或者 UE上下 文修改请求通知家用基站。 请求中包含变化的寻呼相关参数, 即终端的非连 续接收时隙和 /或终端的标识索引和 /或核心网域。 步骤 1303 , 家用基站将寻呼的相关信息, 即终端的非连续接收时隙和 / 或终端的标识索引和 /或核心网域发送给 LGW, LGW为 UE建立上下文信息 中保存上述信息。 步 4聚 1304, 家用基站向移动管理单元返回响应消息。 图 14 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的系统 的示意图一, 包括: 移动管理单元 10、 无线侧网元 20和本地接入网关 30 , 其巾: 移动管理单元 10 用于将用于本地寻呼的终端的寻呼信息发送给无线侧 网元 20; 无线侧网元 20用于将接收到的终端的寻呼信息发送给本地接入网关 30。 其中, 移动管理单元 10包括: 判断模块 101 , 用于判断为终端建立本地连接; 还用于判断终端的寻呼 信息发生变化并且终端已建立本地连接; 第二发送模块 102 , 用于当判断模块判断终端的寻呼信息发生变化并且 终端已建立本地连接时, 将变化后新的寻呼信息发送给无线侧网元。 无线 4则网元 20包括: 释放模块 201 , 用于当终端进入空闲状态时, 释放终端的上下文; 第三发送模块 202 , 用于将新的寻呼信息发送给本地接入网关。 本地接入网关 30包括: 保存模块 301 ,用于将接收到的终端的寻呼信息保存到终端的上下文中。 第一发送模块 302 , 用于当触发寻呼时将终端的上下文中的寻呼信息下 发给无线侧网元。 图 15 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的方法 的流程图二, 包括以下步骤: 步骤 S 1502, 移动管理单元将用于本地寻呼的终端的寻呼信息发送给无 线侧网元; 步骤 S 1504, 位于数据路径上的本地接入网关截获终端的寻呼信息。 该实施例由于移动管理单元将终端的寻呼信息发送给无线侧网元, 本地 接入网关截获相关消息中的终端的寻呼信息, 解决了相关技术中本地接入网 关无法获得终端的寻呼信息的问题。 使用该实施例能够保证本地接入网关在 终端处于空闲状态并且收到本地连接下行数据的时候能够执行寻呼优化。 优选地, 在步骤 S 1502之前还包括: 移动管理单元判断为终端建立本地 连接。 该优选实施例提供了移动管理单元将终端的寻呼信息通过无线侧网元 发送给本地接入网关的前提条件。 移动管理单元确定建立本地连接而不建立 核心网承载, 将寻呼信息发送给无线侧网元, 本地接入网关截获该消息获取 其中包含的寻呼信息以进行后续执行本地寻呼。 优选地, 在步骤 S 1504之后还包括: 当终端进入空闲状态时, 无线侧网 元释放终端的上下文; 本地接入网关触发寻呼时, 将终端的上下文中的寻呼 信息下发给无线侧网元。 该优选实施例提供了在本地接入网关进行本地寻呼时将终端的寻呼信息 下发给无线侧网元的具体实施方案。 优选地, 在上述的方法中, 还包括: 移动管理单元判断终端的寻呼信息 发生变化并且终端已建立本地连接, 则移动管理单元将变化后新的寻呼信息 发送给无线侧网元; 位于数据路径上的本地接入网关截获更新的终端的寻呼 信息。 该优选实施例提供了当终端的寻呼信息发生变化时, 本地接入网关获取 终端的新的寻呼信息的具体实施方案。 优选地, 在步骤 S 1504之后还包括: 本地接入网关将接收到的终端的寻 呼信息保存到终端的上下文中。 这样, 本地接入网关在后续的寻呼过程中可 以使用该寻呼信息来寻呼终端。 利用本地接入网关在本地进行寻呼可以实现 寻呼优化, 而且避免了由核心网进行大范围的寻呼带来的信令开销。 优选地, 上述的寻呼信息包括以下至少之一: 终端的非连续接收时隙 ( Discontinuous Reception, DRX )、 终端的标识索引以及核心网 i或。 进一步的, 如果终端进入空闲状态, 无线侧网元释放了 UE的上下文, 那么本地接入网关触发寻呼的时候需要将 UE上下文中的寻呼参数下发给无 线^ ί则网元。 进一步的, 如果终端的寻呼信息发生了变化, 并且所述终端已经建立了 本地连接, 则移动管理单元将变化后新的寻呼信息发送给所述无线侧网元, 而位于数据路径上的本地接入网关截获更新的终端的寻呼信息。 图 16 是才艮据本发明实施例的本地接入网关获取终端的寻呼信息的系统 的示意图二, 包括: 移动管理单元 10、 无线侧网元 20和本地接入网关 30 , 其中: 移动管理单元 10 用于将用于本地寻呼的终端的寻呼信息发送给无线 侧网元 20; 位于数据路径上的本地接入网关 30, 连接至无线侧网元 20, 用 于截获终端的寻呼信息。 优选地, 移动管理单元 10包括: 判断模块 102 , 用于判断为终端建立本 地连接。 优选地, 无线侧网元 20包括: 释放模块 202 , 用于当终端进入空闲状态 时, 释放终端的上下文; 本地接入网关 30还包括: 第一发送模块 302 , 用于 当触发寻呼时将终端的上下文中的寻呼信息下发给无线侧网元 20。 优选地, 移动管理单元 10的判断模块 102还用于判断终端的寻呼信息 发生变化并且终端已建立本地连接; 移动管理单元 10 还包括: 第二发送模 块 104 , 用于当判断模块判断终端的寻呼信息发生变化并且终端已建立本地 连接时, 将变化后新的寻呼信息发送给无线侧网元; 位于数据路径上的本地 接入网关还用于截获新的寻呼信息。 优选地, 本地接入网关 30包括: 保存模块 304 , 用于将终端的寻呼信息 保存到终端的上下文中。 从以上的描述中, 可以看出, 本发明实现了如下技术效果:
( 1 ) 本地接入网关能够通过无线侧网元从移动管理单元获取到终端的 寻呼信息; ( 2 ) 能够保证本地接入网关在终端处于空闲状态并且收到本地连接下 行数据的时候能够执行寻呼优化。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 并 且在某些情况下, 可以以不同于此处的顺序执行所示出或描述的步骤, 或者 将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软件 结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书 一种本地接入网关获取终端的寻呼信息的方法, 其特征在于, 包括: 移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线侧网 元;
所述无线侧网元将接收到的终端的寻呼信息发送给本地接入网关。 根据权利要求 1所述的方法, 其特征在于, 在移动管理单元将用于本地 寻呼的终端的寻呼信息发送给无线侧网元之前还包括:
所述移动管理单元判断为终端建立本地连接。 根据权利要求 1所述的方法, 其特征在于, 在所述无线侧网元将接收到 的终端的寻呼信息发送给本地接入网关之后还包括:
当所述终端进入空闲状态时, 所述无线侧网元释放所述终端的上下 文;
所述本地接入网关触发寻呼时, 将所述终端的上下文中的寻呼信息 下发给所述无线侧网元。 根据权利要求 1所述的方法, 其特征在于, 在所述移动管理单元将用于 本地寻呼的终端的寻呼信息发送给所述无线侧网元之后还包括:
所述移动管理单元判断所述终端的寻呼信息发生变化并且所述终端 已建立本地连接, 则所述移动管理单元将变化后新的寻呼信息发送给所 述无线侧网元;
所述无线侧网元将所述新的寻呼信息发送给所述本地接入网关。 根据权利要求 1或 4所述的方法, 其特征在于, 在所述无线侧网元将接 收到的终端的寻呼信息发送给本地接入网关之后还包括:
所述本地接入网关将接收到的终端的寻呼信息保存到所述终端的上 下文中。 根据权利要求 1至 4中任一项所述的方法, 其特征在于, 所述寻呼信息 包括以下至少之一: 终端的非连续接收时隙、 终端的标识索引以及核心 网域。
7. 根据权利要求 5所述的方法, 其特征在于, 所述寻呼信息包括以下至少 之一: 终端的非连续接收时隙、 终端的标识索引以及核心网域。
8. 一种本地接入网关获取终端的寻呼信息的系统, 其特征在于, 包括: 移 动管理单元、 无线侧网元和本地接入网关, 其中:
所述移动管理单元用于将用于本地寻呼的终端的寻呼信息发送给无 线^ ί则网元;
所述无线侧网元用于将接收到的终端的寻呼信息发送给本地接入网 关。
9. 根据权利要求 8所述的系统, 其特征在于,
所述移动管理单元包括: 判断模块, 用于判断为终端建立本地连接。
10. 根据权利要求 8所述的系统, 其特征在于,
所述无线侧网元包括: 释放模块, 用于当所述终端进入空闲状态时, 释放所述终端的上下文;
所述本地接入网关还包括: 第一发送模块, 用于当触发寻呼时将所 述终端的上下文中的寻呼信息下发给所述无线侧网元。
11. 根据权利要求 8所述的系统, 其特征在于,
所述移动管理单元的所述判断模块还用于判断所述终端的寻呼信息 发生变化并且所述终端已建立本地连接;
所述移动管理单元还包括: 第二发送模块, 用于当所述判断模块判 断所述终端的寻呼信息发生变化并且所述终端已建立本地连接时, 将变 化后新的寻呼信息发送给所述无线侧网元;
所述无线侧网元还包括: 第三发送模块, 用于将所述新的寻呼信息 发送给所述本地接入网关。
12. 根据权利要求 8或 11所述的系统, 其特征在于,
所述本地接入网关包括: 保存模块, 用于将接收到的终端的寻呼信 息保存到所述终端的上下文中。
13. —种本地接入网关获取终端的寻呼信息的方法, 其特征在于, 包括: 移动管理单元将用于本地寻呼的终端的寻呼信息发送给无线侧网 元;
位于数据路径上的本地接入网关截获终端的寻呼信息。
14. 根据权利要求 13所述的方法, 其特征在于, 在移动管理单元将用于本地 寻呼的终端的寻呼信息发送给无线侧网元之前还包括:
所述移动管理单元判断为终端建立本地连接。
15. 居权利要求 13所述的方法, 其特征在于, 在位于数据路径上的本地接 入网关截获终端的寻呼信息之后还包括:
当所述终端进入空闲状态时, 所述无线侧网元释放所述终端的上下 文;
所述本地接入网关触发寻呼时, 将所述终端的上下文中的寻呼信息 下发给所述无线侧网元。
16. 根据权利要求 13所述的方法, 其特征在于, 在所述移动管理单元将用于 本地寻呼的终端的寻呼信息发送给所述无线侧网元之后还包括:
所述移动管理单元判断所述终端的寻呼信息发生变化并且所述终端 已建立本地连接, 则所述移动管理单元将变化后新的寻呼信息发送给所 述无线侧网元;
位于数据路径上的本地接入网关截获所述新的寻呼信息。
17. 根据权利要求 13或 16所述的方法, 其特征在于, 在位于数据路径上的 本地接入网关截获终端的寻呼信息之后还包括:
所述本地接入网关将所述终端的寻呼信息保存到所述终端的上下文 中。
18. 居权利要求 13至 16中任一项所述的方法, 其特征在于, 所述寻呼信 息包括以下至少之一: 终端的非连续接收时隙、 终端的标识索引以及核 心网域。
19. 居权利要求 17所述的方法, 其特征在于, 所述寻呼信息包括以下至少 之一: 终端的非连续接收时隙、 终端的标识索引以及核心网域。
20. 一种本地接入网关获取终端的寻呼信息的系统, 其特征在于, 包括: 移 动管理单元、 无线侧网元和本地接入网关, 其中:
所述移动管理单元用于将用于本地寻呼的终端的寻呼信息发送给无 线^ ί则网元;
位于数据路径上的本地接入网关用于截获终端的寻呼信息。
21. 才艮据权利要求 20所述的系统, 其特征在于,
所述移动管理单元包括: 判断模块, 用于判断为终端建立本地连接。
22. 才艮据权利要求 20所述的系统, 其特征在于,
所述无线侧网元包括: 释放模块, 用于当所述终端进入空闲状态时, 释放所述终端的上下文;
所述本地接入网关还包括: 第一发送模块, 用于当触发寻呼时将所 述终端的上下文中的寻呼信息下发给所述无线侧网元。
23. 才艮据权利要求 20所述的系统, 其特征在于,
所述移动管理单元的所述判断模块还用于判断所述终端的寻呼信息 发生变化并且所述终端已建立本地连接;
所述移动管理单元还包括: 第二发送模块, 用于当所述判断模块判 断所述终端的寻呼信息发生变化并且所述终端已建立本地连接时, 将变 化后新的寻呼信息发送给所述无线侧网元;
位于数据路径上的本地接入网关还用于截获所述新的寻呼信息。
24. 根据权利要求 20或 23所述的系统, 其特征在于,
所述本地接入网关包括: 保存模块, 用于将所述终端的寻呼信息保 存到所述终端的上下文中。
PCT/CN2010/079611 2010-01-13 2010-12-09 本地接入网关获取终端的寻呼信息的方法和系统 Ceased WO2011085623A1 (zh)

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