WO2007079689A1 - Procede de radiomessagerie dans des systeme d'acces differents - Google Patents

Procede de radiomessagerie dans des systeme d'acces differents Download PDF

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Publication number
WO2007079689A1
WO2007079689A1 PCT/CN2007/000098 CN2007000098W WO2007079689A1 WO 2007079689 A1 WO2007079689 A1 WO 2007079689A1 CN 2007000098 W CN2007000098 W CN 2007000098W WO 2007079689 A1 WO2007079689 A1 WO 2007079689A1
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Prior art keywords
state
paging
utran
equivalent
sgsn
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PCT/CN2007/000098
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English (en)
Chinese (zh)
Inventor
Wenruo Zhu
Se Wu
Junyi Liu
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Zte Corporation
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Publication of WO2007079689A1 publication Critical patent/WO2007079689A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/12—Inter-network notification

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a paging method between different access systems.
  • FIG. 1 shows an architecture designed to reduce the signaling interaction of UE mobility management between E-UTRAN and UTRAN in an idle state.
  • the SGSN (Serving GPRS Support Node) is a SGSN supporting the third-generation mobile communication system
  • the RNC Radio Network Controller
  • Wireless network controller SGSN via GTP-U (GPRS Tunnel Protocol-User Plane, GPRS Tunneling Protocol - User Side) Connected to SAE's UP-GW (User Plane-Gateway), 2G/3G SGSN via GTP-C (GPRS Tunnel Protocol-Control Plane, GPRS Tunneling Protocol-Control Surface, which is used in the Gn+&Gr-interface Protocol) Connect to the SAE's CP-GW (Control Plane-Gateway, Control Plane Gateway).
  • GTP-U GPRS Tunnel Protocol-User Plane, GPRS Tunneling Protocol - User Side
  • UP-GW User Plane-Gateway
  • GTP-C GPRS Tunnel Protocol-Control Plane
  • GPRS Tunneling Protocol-Control Surface which is used in the Gn+&Gr-interface Protocol
  • An AP is a base station in E-UTRAN.
  • the SGSN does not directly send MAP (Mobile Application Part) signaling to the HLR/HSS (Home Location Register I Home Subscriber Server).
  • the CP-GW sends it to the HSS or AAA Server (Authentication, Authorization and Accounting Server, Authentication, Authorization, and Account Server).
  • the SGSN in FIG. 1 represents a 2G SGSN, and the RNC corresponds to a BSC (Base Station Controller).
  • the E-UTRAN covered AP and the UTRAN/GERAN covered cell are in separate routing area location areas;
  • the UE can be accepted by multiple Equivalent Routing Areas.
  • a typical example is an E-UTRAN routing area, a UTRAN/GERAN routing area, and the UE can be in different 3 tracking areas.
  • P-TMSI Packet Temperate Mobile Subscription Identity
  • LTE Long Term Evolution
  • E-UTRAN Long Term Evolution
  • IDLE State user idle state in SAE/LTE, the network element and E of the core network in this state
  • a UE in the URA-PCH State does not cause Iu-PS (Iu Interface-Packet Switch) when it moves from UTRAN to E-UTRAN. Release of the Iu interface between the RNC and the RNC; If the new cell is not in the list of the Equivalent Routing Area, the UE performs a normal RAU (Routing Area Update) process;
  • Iu-PS Iu Interface-Packet Switch
  • the activation state here includes the LTE-ACTIVE State (the user activation state in SAE/LTE, in this state).
  • User plane connection exists between the network element of the core network and E-UTRAN), UTRA-Cell-DCH State (UTRA-Cell-Distributed Channel State) and GPRS-READY State (User Connection in GSM Network) Status, in this state, there is a user plane connection between the SGSN and the BSC);
  • the GMM context GPRS Mobility Management Context
  • the SM context Session Management Context
  • CRN Context Reference Number
  • the C-GW keeps the synchronization between the C-GWs.
  • the CRN Context Reference Number
  • the UE modifies the SM context or the GMM context through the E-UTRAN
  • the CRN is updated.
  • the UE accesses the UTRAN or the GERAN
  • the UE sends the CRN to the SGSN.
  • the SGSN checks the CRN and the original saved. If the CRNs do not match, a new SM context and GMM context are required to the CP-GW.
  • the Security Context if updated, is pushed to the SGSN when the UE leaves the E-UTRAN.
  • the Periodic RA Update Timer is replaced by the Periodic SMU Timer and runs between the UE and the CP-GW.
  • the UE If the UE leaves the LTE-ACTIVE state, the UE needs to notify the data to which it is transmitted/received.
  • the UP-GW When the UE is in the LTE-IDLE state, if the downlink data packet arrives at the UP-GW, the UP-GW contacts the CP-GW, and then the CP-GW initiates a paging procedure to all the equivalent routing areas of the UE; A paging process based on the Equivalent Routing Areas concept.
  • the connection between the UP-GW and the AP already exists. At this time, the UP-GW directly sends the data packet to the AP. After the LTE-ACTIVE State timer expires in the AP, the connection between the AP and the UP-GW is released.
  • the PDP context (Packet Data Protocol context) of the UP-GW has two labels: one Indicate whether the UE belongs to LTE-ACTIVE, another finger When the packet arrives at the UP-GW and the UE is not in the LTE-ACTIVE state, the following steps are performed: Step 1: The UP-GW function unit receives the downlink data packet and the label "LTE-ACTIVE or not" (whether in the LTE-ACTIVE state) Indicate "not”(not);
  • Step 2 If the UP-GW receives the downlink data packet, the label "last used tunnel" indicates that the UE originally covers the SGSN, and the UP-GW sends the downlink data packet to the UTRAN/GERAN SGSN. ;
  • the SGSN When the GERAN SGSN (or 2G SGSN) receives downlink data, if the UE is in the GPRS-READY state, the SGSN directly sends the data packet to the BSS (base station subsystem); if the UE is in the GPRS-STANDBY state, the SGSN passes the BSS Initiating paging to the UE, and directly copying a data packet to the UP-GW, and instructing the UP-GW to "paging in wider area". When the 2G paging process ends, the SGSN returns an indication to the UP-GW. , indicating whether the UE is reachable;
  • the UTRAN SGSN (or 3G SGSN) receives the downlink data
  • the SGSN forwards the data packet to the NC. If the UE is in the URA-PCH State or CELL-PCH State, the RC passes immediately.
  • the SGSN returns a data packet and instructs the UP-GW to "paging in the wider area" and simultaneously performs paging. Once the paging process ends, the SGSN returns an indication to the UP-GW, whether the UE is reachable; if the UE is in the CELL_DCH State The packet will be sent directly to the UE.
  • the SGSN initiates paging to the UE through the UTRAN, and immediately copies a data packet to the UP-GW, and instructs the UP-GW to "paging in the wider area", once the 3G paging process ends, the SGSN Returns an indication to the UP-GW whether the UE is reachable. That is, the SGSN only knows whether the Iu connection exists or not, and does not know whether the air interface connection exists.
  • Step 3 If the UP-GW receives the downlink data packet, the label "last used tunnel” indicates that the UE is in the E-UTRAN coverage, and the label “LTE-ACTIVE or not” indicates “not”, then the UP-GW requests the CP.
  • - GW initiates paging, if the UP-GW receives the data packet from the RNC/3G SGSN/2G SGSN and the "paging in wider area” indication, the UP-GW requests the CP-GW to initiate paging to other tracking areas;
  • Step 4 The CP-GW initiates paging to all the unpaged APs and the SGSN in the service range;
  • Step 5 The UE is paged on the E-UTRAN, UTRAN and 2G cells in each Equivalent RAI list;
  • Step 6 after the UE receives the paging message, it can return a paging response, which can be the Service Request/Cell Update message, or a similar command under E-UTRAN, in UTRAN In /GERAN, the SGSN returns a paging response to the CP-GW;
  • a paging response which can be the Service Request/Cell Update message, or a similar command under E-UTRAN, in UTRAN
  • the SGSN returns a paging response to the CP-GW;
  • Step 7 the AP (or SGSN) establishes a connection with the UP-GW (the SGSN needs to establish a user plane connection with the UP-GW through the CP-GW), and after the connection is established, the data packet buffered in the UP-GW is sent to the UE;
  • Step 8 the AP notifies the CP-GW that it controls the UE, and then the CP-GW will QoS (Quality of
  • Step 9 The CP-GW notifies the UP-GW that the paging process is completed.
  • the above paging procedure proposes the Equivalent Routing Areas concept to reduce the signaling interaction of mobility management in the idle state, but in the above step 2), since the UP-GW does not know whether the UE has a connection in the Gb/Iu interface in 2G/3G Therefore, only the data packet is sent to the SGSN blindly. Once the Gb/Iu interface is found to be disconnected, the SGSN needs to return the data packet while the data packet needs to be processed, and the UP-GW receives the returned data packet. In order to initiate paging to other APs again, P strips lower paging efficiency. Moreover, if the data rate is high, the SGSN may buffer and forward a large amount of data in a short time. If the UE is actually in the LTE-IDLE mode at this time, such processing is unnecessary.
  • the problem to be solved by the present invention is to provide a paging method between different access systems, so as to reduce signaling interaction of the mobility management of the UE in the IDLE mode, and improve paging efficiency.
  • the present invention provides a paging method between different access systems, which is applied to a system having an equivalent routing area, and includes the following steps:
  • step (a) The downlink data packet arrives at the user plane gateway UP-GW, and the UP-GW judges or queries the CP-GW according to the information acquired from the control plane gateway CP-GW, for example, the user equipment is in 3GPP equivalent.
  • the connection state the downlink data packet is sent to the UE through the existing user plane connection, and the process ends. If the user equipment UE is in the 3GPP equivalent idle state, step (b) is performed;
  • the UE After receiving the paging message, the UE returns a paging response to the CP-GW; after receiving the paging response, the CP-GW returns a paging response to the UP-GW.
  • the above paging method may also have the following features:
  • step (a) when the equivalent mobility management state of the UE changes, the CP-GW actively notifies the UP-GW, and includes the following steps:
  • the CP-GW checks the equivalent mobility management state of the UE
  • the CP-GW sends an equivalent mobility management state update message to the UP-GW, indicating that the UE is in the 3GPP equivalent connection.
  • PMM-IDLE If the UE transitions from another state to being in GPRS STANDBY State, PMM-IDLE
  • the CP-GW sends an equivalent to the UP-GW.
  • a mobility management status update message indicating that the UE is in a 3GPP equivalent idle state
  • the UP-GW After receiving the message, the UP-GW saves the UE equivalent mobility management state and returns a response message to the CP-GW.
  • the UP-GW When the UP-GW determines that the UE is in the 3GPP equivalent idle state, it sends a paging request message to the CP-GW.
  • the above paging method may also have the following features:
  • the above paging method may also have the following features:
  • the UP-GW queries the CP-GW for the equivalent mobility management state of the UE after the downlink data packet arrives, and includes the following steps:
  • step (a21) When the downlink data packet arrives at the UP-GW, the UP-GW determines whether the corresponding UE is in the LTE-ACTIVE state, and if yes, sends the downlink data packet through the existing user plane connection, otherwise proceeds to step (a22);
  • the UP-GW sends a paging request or a query request to the CP-GW, including information on whether wide area paging is required;
  • the CP-GW queries the mobility management status of the UE:
  • the CP-GW directly returns a paging response to the user plane gateway, and the user plane gateway receives the existing user.
  • the face connection sends a downlink packet and ends;
  • step (b) is performed.
  • the above paging method may also have the following features:
  • the step (c) further includes the step (d): the UE establishes a user plane connection with the UP-GW through the AP or the SGSN, and the UP-GW sends the buffered data packet to the UE on the newly created user plane connection.
  • the foregoing paging method may also have the following features:
  • the UP-GW sends a downlink data packet through a user plane connection:
  • the UP-GW sends the data packet to the UTRAN SGSN, and the UTRAN SGSN sends the data packet to the RNC. If the UE is in the URA_PCH State or CELL_PCH State, the RNC immediately returns the data through the SGSN. Packet, and instructs the UP-GW to "paging in the wider area", and simultaneously performs paging. After the paging process ends, the SGSN returns an indication to the UP-GW, whether the UE is reachable. If the UE is in the Cell CONNECTED State, the data packet will be Directly sent to the UE;
  • the UP-GW sends the data packet to the GERAN SGSN.
  • the GERAN SGSN sends the data packet to the BSS, and the BSS sends the data packet to the UE.
  • the UP-GW sends the data packet directly to the E-UTRAN, which sends the data packet to the UE.
  • the above paging method may also have the following features:
  • step (c) the paging response returned by the CP-GW to the UP-GW indicates whether the UE is currently in coverage of UTRAN/GERAN and E-UTRAN, and the UP-GW is based on the paging received from the CP-GW. Responding to the information indication to know which coverage system the UE is in;
  • the UP-GW determines, according to a label used locally to indicate whether the GTP-U tunnel is established on the E-UTRAN or the UTRAN/GERAN, which coverage system the UE is in.
  • the above paging method may also have the following features:
  • the UP-GW When the UE is currently in the UTRAN coverage, the UP-GW initiates a wide area paging in the process of sending the data packet through the connection-oriented connection, and the UP-GW sends the paging request to the CP-GW. Contains instructions for wide-area paging.
  • the above paging method may also have the following features:
  • the UE receives the paging message, and returns a paging response to the CP-GW, where the response may be a service request/cell update message or a message of the same function under E-UTRAN, if the UE is in UTRAN/GERAN In the coverage, the UE returns a paging response to the CP-GW through the SGSN. If the UE is in the E-UTRAN coverage, the AP returns a paging response to the CP-GW through the AP.
  • the paging method between the different access systems of the present invention determines whether the user equipment is in the 3GPP equivalent connection state or the 3GPP equivalent idle state through the user plane gateway and the control plane gateway signaling interaction, thereby adopting a more effective paging manner, so that the UE Multiple access systems can be accessed at the same time, and as long as the UE is in the equivalent routing area, no routing update is sent, so that the signaling interaction of the mobility management of the UE in the IDLE mode is greatly reduced, and is in different access systems.
  • the UE in idle state immediately performs wide area paging, which improves the efficiency of paging.
  • Figure 1 shows a simplified diagram of a system supporting mobility management between multiple access systems
  • FIG. 2 is a prior art paging method between multiple access systems based on an equivalent routing area
  • FIG. 3 is a flow chart showing an update method of an equivalent mobility management state in the present invention
  • FIG. 4 shows the present invention. Paging flow chart based on active notification mode
  • Fig. 5 shows a paging flow chart of the inquiry mode in the present invention.
  • the present invention devises a paging method between different access systems for solving a paging method when a UE in idle mode moves between UTRAN/GERAN and E-UTRAN.
  • the system framework of the present invention is as shown in FIG. 1.
  • the signaling interaction between the UP-GW and the CP-GW is added on the basis of the equivalent routing area.
  • the signaling interaction enables the UP-GW to distinguish the UE from the current It belongs to PMM-CONNECTED State/GPRS READY State ("/" means "or” relationship) or PMM-IDLE State/GPRS STANDBY State/LTE-IDLE State, and because UP-GW itself can judge whether UE is in LTE-ACTIVE state Therefore, the signaling interaction UP-GW can distinguish whether the UE currently belongs to the 3GPP Equivalent CONNECTED State or the 3GPP Equivalent IDLE State, so that when the downlink packet arrives at the UP-GW, According to the UE status, a more efficient paging method is obtained.
  • the PMM-CONNECTED State is a user connection state in a UMTS (Global System for Mobile Communications) network. In this state, a user plane connection exists between the SGSN and the NC;
  • PMM-IDLE State Packet Mobility Management (Packet Mobility Management) - Connected State) is the user idle state in the UMTS network, in which no user plane connection is established between the SGSN and the RC;
  • GPRS-READY State is the user connection status in the GSM network. In this state, the SGSN There is a user plane connection established with the BSC; the GPRS-STANDBY State is a user idle state in the GSM network, in which no user plane connection is established between the SGSN and the BSC;
  • the LTE-ACTIVE State is a user connection state in the SAE/LTE. In this state, a user plane connection exists between the network element of the core network and the E-UTRAN.
  • the LTE-IDLE State is a user idle state in the SAE/LTE state. There is no user plane connection between the network element of the lower core network and E-UTRAN.
  • the signaling interaction methods between the UP-GW and the CP-GW can be summarized into two types.
  • the mobility management state of the UE and the other is the query mode, that is, the UP-GW queries the CP-GW for the mobility management state of the UE.
  • the signaling interaction process between the UP-GW and the CP-GW includes the following steps:
  • Step 301 The CP-GW checks a mobility management (MM) state of the UE.
  • MM mobility management
  • Step 302 When the UE enters a state in the GPRS READY State, PMM-CONNECTED State or LTE-ACTIVE State from other modes, that is, a user plane connection or UP-GW and E-UTRAN are established between the SGSN and the radio access network.
  • the user plane connection is established, and the CP-GW sends an Equivalent MM state update message to the UP-GW, indicating that the UE is in the 3GPP Equivalent CONNECTED State; Transition to one or more of the three states of GPRS STANDBY State, PMM-IDLE State, or LTE-IDLE State, and the UE is not in any of the GPRS-READY State, PMM-CONNECTED State, or LTE-ACTIVE State, That is, the user plane connection is disconnected between the SGSN and the radio access network, and the user plane connection is disconnected between the UP-GW and the E-UTRAN, and the CP-GW sends an Equivalent MM state update message to the UP-GW, indicating that the UE is in 3GPP equivalent idle. State (3GPP Equivalent IDLE State);
  • the 3GPP equivalent mobility management state is saved on the CP-GW.
  • the MM CONTEXT Mobility Management CONTEXT
  • a label indicating the UE mobility management status is added to the user plane gateway: "Equivalent MM State" (equivalent mobility management state).
  • the above equivalent mobility management status update message may be a new message, or may use the original message, as long as the corresponding indication function can be completed.
  • Step 303 UP-GW Equivalent MM state update message stored in the UE the mobility management state is equivalent (Equivalent MM state), returns Equivalent MM state update response message to the CP-GW 0
  • the UP-GW determines that the UE is in the 3GPP Equivalent CONNECTED State according to the Equivalent MM state, and directly transmits data through the existing user plane connection; for the paging of the UE in the 3GPP Equivalent IDLE State
  • the process is shown in Figure 4. The specific steps are as follows:
  • Step 401 The downlink data packet arrives at the UP-GW, and the UP-GW determines, according to the Equivalent MM state, that the UE is in the 3GPP Equivalent IDLE State, and sends a paging request message to the CP-GW.
  • Step 402 The CP-GW detects a mobility management (MM) state of the UE in each access system. If the UE is not attached to some access systems, the CP-GW does not send a paging message to the systems, if the UE is attached to the UE.
  • MM mobility management
  • step 403 is performed; if the UE is attached to the E-UTRAN, step 404 is performed;
  • Step 403 The CP-GW sends a paging (Paging) to the UE through the GERAN/UTRAN.
  • the CP-GW sends a paging message to the UE through the E-UTRAN.
  • Step 405 The UE receives the paging message, and sends a paging message to the UE.
  • the CP-GW returns a paging response (Paging Response), which may be a service request/'J, a Service Update/Cell Update message, or a message with the same function under E-UTRAN, if the UE is at In the UTRAN/GERAN coverage, the UE returns a paging response (Paging Response) to the CP-GW through the SGSN, and if the UE is in the E-UTRAN coverage, the AP returns a paging response to the CP-GW through the AP;
  • Paging Response paging response
  • Step 406 After receiving the paging response (Paging Response) from the SGSN or the E-UTRAN, the CP-GW returns a paging response (Paging Response) to the UP-GW;
  • Step 407 The UE establishes a user plane connection with the UP-GW through the AP or the SGSN, where the SGSN needs to establish a connection with the UP-GW through the CP-GW.
  • Step 408 The UP-GW sends the buffered data packet to the UE on the newly created user plane connection.
  • the CP-GW does not notify the mobility management status of the UP-GW UE in advance, but when the data packet arrives at the UP-GW, the UP-GW determines whether the UE is in the LTE-ACTIVE state, and when the UE is currently in the LTE state. In the -ACTIVE state, the data is sent to the UE through the existing user plane connection. Otherwise, the UP-GW sends a query message (which may also be a paging message) to the CP-GW. After receiving the UE, the CP-GW queries the UE.
  • a query message which may also be a paging message
  • the mobility management state feeds back a response to the UP-GW to distinguish whether the UE currently belongs to the PMM-CON ECTED State/GPRS READY State/LTE-ACTIVE State or the PMM-IDLE State/GPRS STANDBY State/LTE-IDLE State.
  • the method of this embodiment can solve the downlink packet triggered paging of UEs attached to both UTRAN/GERAN and E-UTRAN.
  • the paging process is shown in Figure 5.
  • the UP-GW sends a paging request to the CP-GW as an example.
  • the specific steps are as follows:
  • Step 501 The downlink data (Downlink Data) packet arrives at the UP-GW.
  • Step 502 the UP-GW determines whether the UE is in the LTE-ACTIVE state, and if so, sends the downlink data packet through the existing user plane connection, otherwise proceeds to step 503;
  • Step 503 The UP-GW sends a paging request (or query request) to the CP-GW, where the request includes information about whether wide area paging is required;
  • Step 504 The CP-GW queries the mobility management status of the UE: If the UE is in the PMM-CONNECTED State or the GPRS-READY State, and the paging request indicates that wide-area paging is not required, the control plane gateway directly returns a paging response to the user plane gateway, and the user plane gateway passes the existing user.
  • the surface connection sends a downlink data packet;
  • step 505 is performed;
  • Step 505 The CP-GW sends a page to the UE by using the SGSN and the E-UTRAN in the equivalent routing area in the access system attached to the UE.
  • Step 506 After receiving the paging message, the UE returns a paging response to the CP-GW, where the response may be a service request/Cell Update message or a request for the same function under E-UTRAN. If the UE is in the UTRAN/GERAN coverage, the UE returns a paging response (Paging Response) to the CP-GW through the SGSN, and if the UE is in the E-UTRAN coverage, the AP returns a paging response to the CP-GW through the AP;
  • Paging Response paging Response
  • Step 507 The CP-GW returns a paging response to the UP-GW, where the response message indicates whether the UE is currently in the UTRAN/GERAN and E-UTRAN coverage;
  • Step 508 Establish a user plane connection between the UE and the UP-GW.
  • Step 509 The UP-GW sends the buffered downlink data packet through the established user plane connection.
  • the following are the following:
  • the paging response information received by the UP-GW indicates that the UE is currently in the UTRAN coverage area
  • the UP-GW sends the data packet to the UTRAN SGSN, and the UTRAN SGSN sends the data packet to the RNC. If the UE is in the URA_PCH State or CELL_PCH State, the RNC immediately returns the data packet through the SGSN and instructs the UP-GW to "paging in After the paging process is completed, the SGSN returns an indication to the UP-GW, and the UE is reachable. If the UE is in the Cell CONNECTED State, the data packet is directly sent to the UE;
  • the UP-GW When the paging response information received by the UP-GW indicates that the UE is currently in the GERAN coverage range, the UP-GW sends the data packet to the GERAN SGSN, and the GERAN SGSN sends the data packet to the BSS, and the BSS sends the data packet to the UE; When the paging response information received by the UP-GW indicates that the UE is currently in the E-UTRAN coverage, the UP-GW sends the data packet directly to the E-UTRAN, which transmits the data packet to the UE.
  • the RNC may instruct the UP-GW to initiate a paging in the wider area during the process of sending the data packet through the connection-oriented connection.
  • the UP-GW instructs the paging request sent by the CP-GW, it carries an indication that the wide-area paging is required.
  • it is not required to perform wide area paging.
  • the wide area paging may not be required by default.
  • the query mode is not limited to the downlink packet-triggered paging method of UEs attached to both UTRAN/GERAN and E-UTRAN, and the query mode can be used if only one of the UTRAN/GERAN networks is attached.
  • the present invention has one back-to-back signaling when there is no connection oriented between the SGSN and the RNC/BSS, since there is no possibility of connection-oriented between the SGSN and the RC/BSS, and there is no need for When there is no connection between the SGSN and the RNC/BSS, the SGSN needs to return the data packet to the UP-GW. Therefore, the signaling interaction of the mobility management of the UE in the IDLE mode can be reduced, and the paging efficiency can be improved.
  • the paging method between the different access systems of the present invention determines whether the user equipment is in the 3GPP equivalent connection state or the 3GPP equivalent idle state through the user plane gateway and the control plane gateway signaling interaction, thereby adopting a more effective paging manner, so that the UE Multiple access systems can be accessed at the same time, and as long as the UE is in the equivalent routing area, no routing update is sent, so that the signaling interaction of the mobility management of the UE in the IDLE mode is greatly reduced, and is in different access systems.
  • the UE in idle state immediately performs wide area paging, which improves the efficiency of paging.
  • the invention does not require the SGSN to process the downlink data packet, and reduces the modification of the original protocol, and the backward compatibility is better.

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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de radiomessagerie dans des système d'accès différents, appliqué à des systèmes ayant des zones de routage équivalentes. Le procédé comporte les étapes suivantes : les paquets de liaison descendante arrivent sur la passerelle de plan d'utilisateur UP-GW et selon les informations acquises ou requises auprès de la passerelle de plan de commande CP-GW, la passerelle UP-GW détermine si l'équipement est dans un état de connexion équivalent à 3GPP, et dans ce cas, envoie les paquets de liaison descendante à l'équipement utilisateur UE par l'intermédiaire du plan d'utilisateur existant, et le processus s'achève ; si l'équipement utilisateur est à l'état inactif équivalent à 3GPP, celui-ci réalise l'étape suivante ; la passerelle CP-GW envoie un message de radiomessagerie à l'équipement utilisateur par l'intermédiaire du SGSN et/ou AP dans la zone de routage équivalente dans le système d'accès lié à l'équipement utilisateur ; après réception du message de radiomessagerie, l'équipement utilisateur renvoie une réponse de radiomessagerie à la CP-GW ; et après réception de la réponse de radiomessagerie par la CP-GW, la UP-GW renvoie une réponse de radiomessagerie. La présente invention permet de réduire l'interaction de signalisation de la gestion de mobilité de façon considérable lorsque l'équipement utilisateur est en mode inactif, et d'augmenter l'efficacité de radiomessagerie.
PCT/CN2007/000098 2006-01-10 2007-01-10 Procede de radiomessagerie dans des systeme d'acces differents WO2007079689A1 (fr)

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CN200610011144A CN101001449B (zh) 2006-01-10 2006-01-10 不同接入系统间的寻呼方法
CN200610011144.2 2006-01-10

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EP3379872A4 (fr) * 2015-12-17 2018-10-10 Huawei Technologies Co., Ltd. Procédé et appareil de transmission de message de notification de données de liaison descendante

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CN101136835B (zh) * 2007-09-30 2011-09-21 中兴通讯股份有限公司 一种空闲模式下承载建立方法
CN101895986A (zh) * 2009-05-21 2010-11-24 中兴通讯股份有限公司 本地ip接入中实现寻呼的方法及系统
CN104901875B (zh) 2009-11-02 2018-03-02 Lg电子株式会社 直接路径使能的方法和相应的家庭蜂窝基站
CN101720135B (zh) * 2009-11-30 2012-02-29 成都林海电子有限责任公司 星地综合移动通信系统
CN102291824B (zh) * 2011-08-23 2014-02-05 电信科学技术研究院 组寻呼区域信息的通知方法和设备
CN104185278B (zh) * 2013-05-20 2018-12-28 上海诺基亚贝尔股份有限公司 一种用于寻呼优化的方法
CN105393613B (zh) * 2014-06-30 2019-05-10 华为技术有限公司 一种网络中的寻呼方法、装置和系统
CN106465331B (zh) 2014-09-30 2019-06-07 华为技术有限公司 一种寻呼方法、相关设备及网络系统
CN104753747B (zh) * 2014-12-31 2019-06-04 海尔优家智能科技（北京）有限公司 一种连接网关与设备的方法、装置及网关设备
CN107005969B (zh) * 2015-08-31 2020-04-14 华为技术有限公司 一种用于分布式网关的寻呼方法及装置
CN109327903B (zh) * 2015-09-14 2019-11-15 华为技术有限公司 一种寻呼的方法、设备以及系统
EP4152771A4 (fr) * 2020-05-14 2024-02-14 Beijing Xiaomi Mobile Software Co Ltd Procédé et appareil destinés à suivre un terminal, et support d'informations

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