WO2010111968A1 - Procédé, dispositif et système de réduction de signalisation - Google Patents

Procédé, dispositif et système de réduction de signalisation Download PDF

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Publication number
WO2010111968A1
WO2010111968A1 PCT/CN2010/071537 CN2010071537W WO2010111968A1 WO 2010111968 A1 WO2010111968 A1 WO 2010111968A1 CN 2010071537 W CN2010071537 W CN 2010071537W WO 2010111968 A1 WO2010111968 A1 WO 2010111968A1
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Prior art keywords
signaling
network device
isr
saving
saving network
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PCT/CN2010/071537
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English (en)
Chinese (zh)
Inventor
蒋铭
唐妙然
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华为技术有限公司
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Publication of WO2010111968A1 publication Critical patent/WO2010111968A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a signaling saving method, apparatus, and system.
  • GPRS General Packet Radio Service
  • UMTS Universal Mobile Telecommunication System
  • LTE Long Term Evolution
  • EPS evolved Packet System
  • the user equipment After the user equipment (UE, User Equipment) registers on the network, it records its location information (routing area RA, Routing Area) and records the packet domain temporary mobile station identifier (P-TMSI, Packet) assigned by the network. Temporary Mobile Station Identity ).
  • the UE is in the standby state and does not perform data services. The UE does not establish a true signaling and data connection with the network. We call the UE in the IDLE state.
  • the location of the UE changes, for example: moving from one RA to another RA, in order to update the UE related information recorded in the network in time, the UE sends a routing area update request message to the relevant network node, for example, to the service.
  • the GPRS Support Node performs the routing area update process.
  • the old-side SGSN before the mobile may no longer be suitable for serving the UE, and the new-side SGSN will be selected to serve the UE, and the new-side SGSN will acquire the UE-related context from the old-side SGSN, including the mobile.
  • MM Mobility Management And the packet data protocol session (PDP, Packet Data Protocol) context, and may re-allocate a new P-TMSL to the UE.
  • PDP Packet Data Protocol
  • RAU Accept the UE will save the new P-TMSI and the current RA identifier ( RAI).
  • the home location register (HLR, Home Location Register), which records the UE subscription information in the network, records the change of the SGSN, and performs a Cancel Location to cancel the information of the UE registration on the old side SGSN.
  • RAU routing area update procedure
  • This kind of invalid routing update signaling load caused by frequent cell reselection is 5-6 times of other RAUs, which greatly increases the network load and has a great impact on the management equipment in the mobile communication network. At the same time, it will inevitably affect the user experience.
  • the solution proposed by the prior art is: Under the LTE network, both the terminal and the network side devices have signaling savings in idle state. (ISR, Idle-mode Signaling Reduction) In the case of the capability, the terminal and the network-side device negotiate to activate the ISR.
  • ISR Idle-mode Signaling Reduction
  • Embodiments of the present invention provide a signaling saving method, apparatus, and system, which activate an ISR without terminal participation, and effectively improve a signaling load problem caused by an invalid RAU between different network standards.
  • the embodiment of the invention provides a signaling saving method, including:
  • the second signaling saving network device of the second routing area receives the routing area update request sent by the user equipment UE;
  • the second signaling saving network device and the first signaling saving network device in the first routing area before the UE initiates the current routing area update do not use the idle state signaling to save the ISR, And the second signaling saving network device negotiates with the first signaling saving network device to activate the ISR for the UE, and after determining that the UE activates the ISR, notifying the network hosting device of the second signaling saving.
  • the network device and the first economized network device activate an ISR for the UE; the second routing area supports a network standard different from the network standard supported by the first routing area.
  • the embodiment of the invention provides a signaling saving network device, including:
  • a first receiving unit configured to receive a routing area update request sent by the user equipment UE
  • the ISR activation unit is configured to save the ISR between the signaling idle network device and the first signaling save network device before the UE initiates the current routing area update, Negotiating with the first signaling-saving network device to activate the ISR for the UE, and determining to determine that the UE activates the IS, and notifying the network registration device that the signaling-saving network device and the first signaling-saving network device are The UE activates the ISR; the network format supported by the routing area where the first signaling saving network device is located is different from the network standard supported by the routing area where the signaling saving network device is located.
  • An embodiment of the present invention provides a signaling saving system, including: a first signaling saving network device, The second signaling saves the network device and the network storage device;
  • the first signaling-saving network device is located in the first routing area, and is used by the UE to initiate a signaling-saving network device before the routing area is updated;
  • the second signaling-saving network device is located in the second routing area, and is configured to: after receiving the routing area update request sent by the UE, if the first signaling-saving network device and the second signaling-saving network The device does not activate the idle state signaling ISR for the UE, negotiates with the first signaling save network device to activate the ISR for the UE, and after determining that the UE activates the ISR, notifies the network registration device
  • the second signaling egress network device and the first economizing network device activate an ISR for the UE, where the second routing area supports a network standard different from the network standard supported by the first routing area;
  • the network registration device is configured to receive the notification of the second signaling save network device, and record information registered by the UE on the first signaling save network device and the second signaling save network device, and record the The UE activates the information of the ISR.
  • FIG. 1 is a flowchart of a signaling saving method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of applying a signaling saving method to a G/U network according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a specific application example of a signaling saving method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a first embodiment of a signaling saving device provided by the present invention.
  • FIG. 5 is a schematic structural diagram of an ISR activation unit in the signaling econduction device shown in FIG. 4 according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a second embodiment of a signaling econution device according to the present invention.
  • FIG. 7 is a schematic structural diagram of a third embodiment of a signaling saving device provided by the present invention.
  • FIG. 8 is a schematic structural diagram of a fourth embodiment of a signaling saving device provided by the present invention.
  • FIG. 9 is a schematic structural diagram of a fifth embodiment of a signaling saving device provided by the present invention.
  • FIG. 10 is a schematic structural diagram of a network registration device according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a signaling saving system according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.
  • the embodiment of the invention provides a signaling saving method, including:
  • the second signaling saving network device of the second routing area receives the routing area update request sent by the UE; if the second signaling saving network device and the UE initiate the first signaling of the first routing area before the current routing area update
  • the second signaling-saving network device negotiates with the first signaling-saving network device to save the idle-mode signaling reduction (ISR) for the UE.
  • the UE activates the ISR, and determines to activate the IS for the UE, notifying the network hosting device that the second signaling saving network device and the first saving network device activate the ISR for the UE; the second routing area
  • the supported network format is different from the network standard supported by the first routing area.
  • the network side device (signaling-saving network device) negotiates to activate the ISR for the UE, and does not need to change the existing terminal, thereby effectively improving the signaling load caused by the invalid RAU between different network standards, that is, reducing the UE in two
  • the network burden generated by a large number of RAU processes when moving between different network standards this technology is compatible with the existing network and easy to implement.
  • An embodiment of the present invention provides a signaling saving method, which is illustrated in FIG. 1 and includes the following steps:
  • Step 10 The second signaling save network device of the second routing area receives the routing area update request sent by the UE.
  • Step 11 If the second signaling saving network device does not activate the SR between the first signaling saving network device in the first routing area before the current routing area update by the UE, the second The signaling saving network device negotiates with the first signaling saving network device to activate an ISR for the UE, and determines to activate the IS for the UE, and notify the network hosting device of the second signaling saving network device and the first A saving network device activates an ISR for the UE;
  • the network format supported by the second routing area is different from the network mode supported by the first routing area.
  • the second signaling-saving network device sends a context request message to the first signaling-saving network device, requesting an MM and a PDP context of the UE, where the context request message carries a first supported ISR identifier; And the second signaling support network device receives the context response message sent by the first signaling save network device, where the context response message carries the MM PDP context of the UE and carries the second supported ISR identifier.
  • the value of the first supported ISR identifier carried in the context request message is used to indicate whether to request activation of the ISR, and whether the ISR is allowed to be activated by using the value of the second supported ISR identifier carried in the context response message. If the value of the first supported ISR identifier carried in the context request message is a value indicating that the ISR is requested to be activated, the value of the second supported ISR identifier carried in the context response message is a value indicating that the ISR is allowed to be activated; Determining, by the second signaling-saving network device, the first e-commerce network device to activate an ISR for the UE, and saving the UE in the second signaling-saving network device and the first signaling-saving network device MM and PDP context and information for activating the ISR for the UE.
  • the value of the first supported ISR identifier carried in the context request message is a value indicating that the ISR is requested to be activated
  • the value of the second supported ISR identifier carried in the context response message is a value indicating that the ISR is not allowed to be activated
  • the second signaling-saving network device negotiates with the first e-commerce network device to determine that the ISR is not activated for the UE; or the value of the first supported ISR identifier carried in the context request message indicates that the request is not requested.
  • the value of the second supported ISR identifier carried in the Context Response message is a value indicating that the ISR is not allowed to be activated; and the second signaling saving network device negotiates with the first eSpace network device to determine that the ISR is not activated for the UE. .
  • the information of the activated ISR is saved in the first signaling saving network device and the second signaling saving network device, so the first signaling is saved.
  • the network device or the second signaling-saving network device may determine whether the ISR is activated for the UE according to the information of the activated ISR.
  • the UE since the MM and PDP contexts of the UE are saved in the second signaling-saving network device and the first signaling-saving network device, the UE is subsequently in the second signaling-saving network device and After the routing information is updated between the first signaling and the network device, the operation of acquiring the MM and the PDP context of the UE is not required, and the signaling in the routing area update process is effectively saved.
  • the context request message carries the first support ISR identifier, and the value of the first support ISR identifier is a predetermined value indicating that the ISR is not requested to be activated, it indicates that the second signaling save network device has an ISR capability
  • the negotiation does not activate the ISR for the UE; or the context response message carries the second supported ISR identifier, and the value is a predetermined value indicating that the ISR value cannot be activated, indicating that the first signaling save network device has ISR capability, but negotiated to determine that the ISR is not activated for the UE. It is compatible with the existing network element by carrying the supported ISR identifier.
  • the ISR identifier is carried in the process of negotiating and activating the ISR.
  • the device that identifies the supported ISR identifier but refuses to activate the ISR for other reasons or does not recognize the identifier at all (not The upgraded old network side device), the ISR will not be established due to the negotiation failure, and the interconnection between the network elements is not restricted by the ISR capability.
  • the process of notifying the network hosting device that the second signaling saving network device and the first saving network device activate the ISR for the UE includes: Let the saving network device send a location update request carrying the ISR activation identifier Information to the network hosting device;
  • the network hosting device Determining, by the network hosting device, that the second signaling saving network device and the first saving network device activate an ISR for the UE according to the ISR activation identifier, and recording, on the network hosting device, that the UE is in the first And signaling the information registered on the second signaling-saving network device and recording the information for the UE to activate the ISR without performing a routing area cancellation procedure with the first signaling-saving network device.
  • the following situations may occur, and the following situations are not limited in sequence:
  • the second signaling-saving network device synchronizes the P-TMSI and the RAI allocated to the UE to the first signaling-saving network device.
  • the mapping relationship between the P-TMSI+RAI and the user index may be separately saved on the first signaling-saving network device and the second signaling-saving network device, where the synchronization operation enables the UE to save in the first signaling
  • the first signaling saving network device can locate the P-TMSI and the RAI synchronized by the network device by using the second signaling to save the network device.
  • the PDP context of the UE in the second signaling-saving network device or the first signaling-saving network device is changed, and may be processed in the following manner: de-activating the second signaling-saving network device Transmitting the ISR with the first signaling-saving network device; or after the UE initiates the routing area update request, carrying the PDP context change related information in the routing area update request, so that the route is received
  • the first signaling saving network device or the second signaling saving network device of the area update request may learn the change of the PDP context, and the first signaling saving network device synchronizes the changed PDP with the second signaling saving network device. Context.
  • the UE changes on the second signaling save network device or the first signaling save network device After the PDP context, the signaling overhead generated by the PDP context synchronization signaling can be reduced without immediately synchronizing the changed PDP context.
  • a second signaling saving network device that activates the ISR for the UE receives and buffers downlink data sent to the UE in an idle state from the gateway device; the second signaling save network device notification is activated for the UE
  • the other end of the ISR (such as the first signaling saving network device), and the second signaling saving network device, the paging is sent to the UE; when the first signaling saves the network device and the second signaling After the signaling network device of the economizing network device receives the paging response of the UE, notifying that the other end of the signaling saving network device that has not received the paging response stops paging; the signaling saving network device that receives the paging response Transmitting the data to the UE;
  • the first signaling saving network device that activates the ISR for the UE receives and buffers downlink data sent to the UE in an idle state from the gateway device; notifies that the other end of the ISR is activated for the UE (second signaling Saving a network device, sending a paging to the UE together with the first signaling-saving network device; receiving, by the signaling-saving network device, any one of the first signaling-saving network device and the second signaling-saving network device After the paging response to the UE, notifying that the other end of the signaling saving network device that has not received the paging response stops paging; the signaling saving network device that receives the paging response transmits the data to the UEo
  • the signaling saving network device that receives the paging response transmits the data to the UE, including:
  • the signaling saving network device that receives the paging response is a signaling saving network device that buffers the data
  • the signaling saving network device that receives the paging response establishes a data channel with the UE, and the Transmitting data to the UE;
  • the signaling saving network device that receives the paging response is a signaling saving network device that does not cache the data
  • the signaling saving network device that receives the paging response does not receive the homing
  • the signaling of the response response saves the packet data protocol context of the user between the network devices, establishes a signaling saving network device that receives the paging response, and does not receive the
  • the signaling of the paging response saves the data forwarding tunnel between the network devices, transfers the buffered data to the signaling saving network device that receives the paging response, and establishes the signaling saving network device and the received paging response. And a data forwarding tunnel between the gateway devices, where the signaling saving network device that receives the
  • the signaling-saving network device on the other side simultaneously notifies the UE to simultaneously page the UE.
  • the location where the UE is located is determined, and after one side of the signaling saving network device receives the user response, the signaling service network device on the other side is notified to stop paging, and the invalid waiting is avoided.
  • the UE initiates a routing area update request to the third signaling saving network device in the third routing area, and the network format supported by the third routing area is different from the network standard supported by the second routing area,
  • the second signaling saving network device notifies the first signaling saving network device to activate an ISR that has been activated for the UE between the first signaling saving network device and the second signaling saving network device, and Negotiating between the second signaling saving network device and the third signaling saving network device to activate the ISR for the UE;
  • the UE activates the ISR (the network format supported by the third routing area is different from the network standard supported by the first routing area), and after the UE initiates the routing area update request to the second signaling saving network device, the first letter And causing the economizing network device to notify the third signaling egress network device to deactivate the ISR that has been activated for the UE between the first signaling egress network device and the third signaling egress network device, the third signaling saving network The device deletes the MM PDP context of the UE.
  • the UE initiates a route update request to the fourth signaling save network device in the fourth routing area, and the network format supported by the fourth routing area is the same as the network standard supported by the second routing area, and then the second The signaling-saving network device notifies the first signaling-saving network device to deactivate an ISR that has been activated for the UE between the first signaling-saving network device and the second signaling-saving network device. Or the fourth signaling section of the fourth routing area is received by the second signaling saving network device After the MM and PDP context request of the UE sent by the network device, notify the first signaling save network device to deactivate between the first signaling save network device and the second signaling save network device. The ISR, the first signaling save network device deletes an MM PDP context of the UE.
  • the ISR since the ISR is activated between the two signaling-saving network devices, such as the first signaling-saving network device and the second signaling-saving network device, the UE is prevented from saving in the first signaling.
  • the signaling load generated by the network device and the second signaling saving network device repeatedly initiating the routing area update process, and when the UE initiates the routing area update process to the third signaling saving network device, the UE is in the first letter.
  • the situation that the signaling load generated by the routing area update is repeatedly initiated between the saving network device and the second signaling saving network device does not exist, and thus the first signaling saving network device and the second signaling saving network may be deactivated.
  • the ISR between the devices can be understood that the next time the UE initiates the routing area update process between the first signaling saving network device and the second signaling saving network device, the ISR can be negotiated again according to the actual situation.
  • the case where the network hosting device initiates the user separation process includes the following operations:
  • the second signaling-saving network device and the first signaling-saving network device receive a user separation notification sent by the network registration device for the UE, and initiate paging to the UE, where the second signaling-saving network And receiving, by any one of the device and the first signaling-saving network device, a paging response, notifying that another signaling-saving network device that has not received the paging response stops paging, and the paging response is not received.
  • Signaling saves network devices from releasing resources locally. That is, when the network hosting device initiates the user separation process, the two signaling signaling network devices that activate the ISR are simultaneously notified to perform the user separation operation.
  • the case where the UE initiates the user separation process includes the following operations:
  • the second signaling save network device receives the user disconnect request sent by the UE, notifying the first signaling save network device to implicitly separate the user, that is, does not need to interact with the UE, directly releasing Put local resources;
  • the second signaling-saving network device is notified to implicitly separate the user, that is, does not need to interact with the UE, and directly releases the local resource.
  • the case where the first signaling saving network device or the second signaling saving network device initiates the user separation process includes the following operations:
  • the second signaling-saving network device initiates a user separation procedure for the UE, and notifies the first signaling-saving network device to initiate paging to the UE together with the second signaling-saving network device; And signaling, by the second signaling saving network device and the first signaling saving network device, that the signaling saving network device that has not received the paging response stops paging after receiving the paging response;
  • the first signaling-saving network device initiates a user separation procedure for the UE, and notifies the second signaling-saving network device to initiate paging to the UE together with the first signaling-saving network device; After receiving the paging response, the second signaling saving network device and the first signaling saving network device notify the other signaling saving network device that has not received the paging response to stop paging.
  • the other signaling infrastructure device is notified to perform the user separation operation at the same time.
  • the ISR is activated by the signaling saving network device to notify the UE of the ISR and the network hosting device is notified.
  • the negotiation process does not require the participation of the UE, that is, the existing UE device does not need to be changed, and the compatibility with the existing network is strong, and the implementation is easy. And effectively improve the signaling load caused by invalid RAUs between different network standards.
  • the signaling saving method according to the embodiment of the present invention is applied to the GPRS and UTMS network standards as an example for detailed description. As shown in FIG. 2, the following steps are included:
  • Step 20 The second SGSN of the second routing area receives the routing area update request sent by the UE.
  • Step 21 Determine whether the ISR is activated for the UE between the second SGSN after the UE initiates the routing area update and the first SGSN of the first routing area before the UE initiates the routing area update.
  • the second routing area supports the GPRS network standard
  • the first routing area supports the UTMS network standard, that is, the network format supported by the first routing area before the routing area update and the second routing area after the routing area update is different.
  • step 22 is performed; if the ISR has been activated for the UE, step 23 is performed;
  • Step 22 The second SGSN negotiates with the first SGSN to activate the ISR for the UE, and after determining to determine that the UE activates the ISR, the HLR is notified to record that the UE is registered on the first SGSN and the second SGSN. Information and record information for the UE to activate the ISR, after which step 23 is performed;
  • the process of the second SGSN being negotiated with the first SGSN for the UE to activate the ISR includes: the second SGSN sending an SGSN Context Request message to the first SGSN, requesting the MM and PDP context of the UE,
  • the SGSN Context Request message carries the first supported ISR identifier, and the value of the first supported ISR identifier is a predetermined value indicating that the ISR is requested to be activated; and is compatible with the old SGSN that is not upgraded in the live network, in the second
  • the SGSN context request message sent by the SGSN is added with a support ISR identifier, such as ISR_Supported.
  • the second SGSN does not have the ISR capability, and the ISR is not negotiated. If the SGSN Context Request message carries the first supported ISR identifier, and the value of the supported ISR identifier is a predetermined value indicating that the ISR is requested to be activated, for example, the value of 1 indicates that the second SGSN has the ISR capability and is negotiated to be activated. If the ISR identifier is carried in the SGSN Context Request message, and the first supported ISR identifier is a predetermined value, the ISR is not requested to be activated. , For example, a value of 0, the SGSN includes ISR capability negotiation not activate ISR;
  • the second SGSN receives the SGSN Context Response message sent by the first SGSN, where the SGSN Context Response message carries the MM and PDP Context of the UE and carries a second supported ISR identifier, and the value is a predetermined indication.
  • the value of the ISR for example, takes a value of 1;
  • the second SGSN sends a location update request message carrying an ISR activation identifier to the HLR, so that the HLR determines, according to the ISR activation identifier, that the UE is activated with an ISR, and records, on the HLR, that the UE is in the first SGSN and
  • the information registered on the second SGSN and the information recorded as the UE activation ISR are no longer executed and the routing area cancellation procedure of the first SGSN.
  • the ISR identifier is carried in the process of negotiating and activating the ISR is carried out by the SGSN context request message or the SGSN context response message carrying the support ISR identifier.
  • the ISR identifier is supported in the process of negotiating the ISR, but the ISR is rejected for other reasons.
  • the device (the old network side device that is not upgraded) is not recognized at all.
  • the ISR will not be established due to the negotiation failure.
  • the interworking between the NEs is not restricted by the ISR capability.
  • Step 23 The second SGSN replies to the routing area update accept message to the UE;
  • the signaling saving method in the embodiment of the present invention is implemented by the SGSN to activate the ISR for the UE, and notify the HLR after the negotiation succeeds.
  • the process only needs to modify the signaling process of the network side, and the large number of 2G/3G terminals for the live network. It does not need to be modified, and does not depend on the mixed cell. It also does not require the SGSN to support both 2G and 3G, which effectively reduces the signaling load on the network side.
  • the specific application of the signaling saving method in the embodiment of the present invention is described in detail below.
  • RATI and RAT2 respectively represent two network standards, for example, RATI is 2G GPRS, and RAT2 is 30 171 ⁇ 18.
  • RATI's SGSN1 means that SGSN1 supports RATI, but does not restrict whether SGSN1 supports RAT2. That is, the embodiment of the present invention does not restrict whether the SGSN supports 2G and 3G construction.
  • the SGSN2 of the RAT2 indicates that the SGSN2 supports the RAT2.
  • the signaling saving process described in this example includes the following steps:
  • Step 30 The UE migrates from the SGSN1 of the RATI to the SGSN2 of the RAT2, and sends a routing area update request message RAU Request to the SGSN2;
  • the UE is attached to the SGSN1 of the RATI before the migration, and needs to be sent after migrating to the SGSN2 of the RAT2. From the RAU process. It can be understood that the case where the RAU is initiated here is not limited to the UE migration, and may also include other situations in which the RAU needs to be initiated.
  • Step 31 The network side device negotiates to activate the ISR for the UE, and notifies the HLR that the SGSN2 and the SGSN1 have activated the ISR for the UE after the negotiation determines that the UE activates the ISR.
  • the specific process of the network side device negotiating to activate the ISR and notify the HLR of the UE includes the following substeps:
  • Step 310 The SGSN2 sends a message SGSN Context Request to the SGSN1, requesting to acquire the MM PDP context of the UE.
  • the ISR_Supported cell may be carried in the SGSN Context Request, and if the ISR_Supported cell is carried, and the ISR_Supported cell has a value of 1, it indicates that the SGSN2 has the ISR capability and requests to activate the ISR; if the ISR is supported-Supported If the value of the ISR_Supported cell is 0, the SGSN2 has the ISR capability. The process does not request the activation of the ISR. When the cell is not carried, the SGSN2 does not have the ISR capability and cannot activate the ISR.
  • the meaning of the ISR_Supported cell is 1 or 0, which is only an embodiment of the present invention. The specific value in the actual operation is not limited thereto.
  • Step 311 The SGSN2 receives the SGSN Context Response message replied by the SGSN1, where the SGSN Context Response message includes the MM and PDP context of the UE.
  • the SGSN Context Response message may carry an ISR-Supported cell.
  • the ISR-Supported cell When the ISR-Supported cell is not carried, it indicates that the SGSN1 does not have the ISR capability and cannot activate the ISR; if the ISR-Supported cell is carried, and the ISR-Supported If the value of the cell is 1, it indicates that the SGSN1 has the ISR capability.
  • the negotiation can establish the ISR. If the cell is carried, and the ISR_Supported cell has a value of 0, the SGSN1 has the ISR capability. The ISR is not established in this process.
  • the meaning of the ISR_Supported cell is 1 or 0, which is only an embodiment of the present invention. The specific value in the actual operation is not limited thereto.
  • Step 312 The SGSN2 sends an Update Location message to the HLRJ, and the Update Location message carries the ISR activation identifier ISR_Activated;
  • Step 313 The HLR detects that the Update Location message carries the ISR_Activated, the HLR does not perform the Cancel Location process to the SGSN1, and records the information registered by the UE on the SGSN1 and the SGSN2 on the HLR, and the record is already
  • the UE activates the ISR and replies to the SGSN2 with an Update Location ACK;
  • the steps of inserting user data between the HLR and the SGSN 2 are omitted in the figure.
  • the SGSN2 After receiving the routing area update request, the SGSN2 allocates P-TMSI to the UE. After the ISR is activated for the UE, the SGSN2 synchronizes the P-TMSI2 and the RAI2 allocated to the UE to the SGSN1. The correspondence between the P-TMSI + RAI and the user index can be saved on the SGSN1 and the SGSN2.
  • Step 32 SGSN2 replies to the routing area update accept message RAU Accept to the UE, and the RAU Accept message carries P-TMSI2 + RAI2 to complete the RAU process.
  • the UE migrates from the SGSN2 of the RAT2 back to the SGSN1 of the RATI to initiate the RAU procedure. After the UE migrates from the SGSN2 of the RAT2 back to the SGSN1 of the RATI, the UE r detects that the RAI2 stored by the UE is inconsistent with the currently located routing area, and the UE initiates the initiative.
  • the routing area updates the RAU process, that is, the routing area update request RAU Request is sent to the network side, and the SGSN1 on the network side locates the specific UE according to the corresponding relationship between the stored P-TMSI + RAI and the user index, and when it is detected that the ISR has been activated for the UE,
  • the MMSN and the PDP context of the UE are stored in the SGSN1, and the information registered by the UE on the SGSN1 and the SGSN 2 is recorded on the HLR, and the related information is not obtained to the SGSN2, and the Update Location process to the HLR is not initiated.
  • the routing area update accept message RAU Accept is directly replied to the UE, and the RAU Accept message carries the P-TMSI1+RAI1 allocated by the SGSN1 to the UE in the current RAU procedure.
  • the signaling between the SGSNs on the network side and between the SGSN and the HLR is saved. That is, the SGSN1 does not need to perform the acquisition of the SGSN2 when it is learned that the ISR has been activated for the UE.
  • the operation of the MM and PDP context of the UE saves signaling for obtaining the MM PDP context procedure, and does not require a location update procedure to the HLRJ, saving signaling of the location update procedure.
  • the UE changes the PDP context of SGSN2 or SGSN1;
  • the SGSN2 of the RAT2 changes the relevant PDP context, between the networks that have established the ISR mechanism, for example, the SGSN2 and the SGSN1 do not actively synchronize the PDP context; may choose to deactivate the ISR, or wait until After the UE initiates the RAU from the other side RAT network (the RAT network that does not change the PDP context), for example, the RATI initiates synchronization of the PDP context. In this way, it is possible to avoid the real-time synchronization of the two sides of the network establishing the ISR mechanism due to the change of the PDP context, and the added context synchronization signaling overhead.
  • the HLRJ starts the user separation process.
  • the HLR informs the UE to activate the SGSNs on both sides of the ISR, that is, the SGSN1 and the SGSN2 are notified to perform the user separation process respectively. If the UE is in the connected state under the SGSN2, the SGSN2 needs to notify the peer.
  • the SGSN (for example, SGSN1) releases the resources locally, and does not need to wait for interaction with the UE. If the SGSN is in the idle state at both ends, the SGSNs, SGSN1 and SGSN2, respectively, perform a paging procedure to initiate paging to the UE.
  • the SGSN (for example, SGSN1) that receives the paging response of the UE notifies the other side of the SGSN (for example, SGSN2), stops paging, and requests (SGSN2) to release resources locally, without waiting to interact with the UE;
  • the downlink data may be first buffered on the SGSN that receives the downlink data, for example, SGSN2; the SGSN2 finds that the ISR mechanism is activated for the UE, and the UE is idle.
  • the SGSN1 that needs to notify the active ISR and the SGSN2 on the local side send a page to the UE; when the SGSN receives the paging response from the UE, the SGSN will be notified to stop the paging on the other side; SGSN2 buffering downlink data receives UE's homing
  • the air interface connection is reconstructed, and the end-to-end data transmission tunnel is restored for data transmission; if the other side SGSN (such as SGSN1) receives the paging response of the UE, it needs to be in the SGSN1.
  • the UE moves from the SGSN2 of the RAT2 to the SGSN3 of the RAT2, or the UE moves from the SGSN1 of the RATI to the SGSN4 of the RATI;
  • the ISR between the RATI SGSN1 and the RAT2 SGSN2 is deactivated;
  • the specific deactivation operation may include: if the UE moves from the SGSN2 of the RAT2 to the SGSN3 of the RAT2, the SGSN2 may notify the SGSN1 to deactivate the ISR, and the SGSN1 deletes the MM PDP context corresponding to the UE; or if the UE moves from the SGSN1 of the RATI to The SGSN4 of the RATI may notify the SGSN2 to deactivate the ISR by the SGSN1, and the SGSN2 deletes the MM and PDP context corresponding to the UE.
  • the UE moves from the SGSN2 of the RAT2 to the SGSN3 of the RATI, or the UE moves from the SGSN1 of the RATI to the SGSN4 of the RAT2;
  • the ISR between the SGSN1 of the RATI and the SGSN2 of the RAT2 will be deactivated; at the same time, according to the actual situation (if the SGSN3 or SGSN4 has the ISR capability), the SGSN2 of the RAT2 and Between the SGSNs of the RATI, or between the SGSN1 of the RATI and the SGSN4 of the RAT2, the ISR is activated for the UE.
  • the embodiment of the present invention further provides a signaling saving network device. As shown in FIG. 4, the signaling saving device includes:
  • the first receiving unit 400 is configured to receive a routing area update request sent by the UE.
  • the ISR activation unit 401 is configured to: when the first signaling-saving network device before the signaling-saving network device and the UE initiates the current routing area update, does not activate the ISR for the UE, and the first The signaling saving network device negotiates to activate the ISR for the UE, and determines to determine that the UE activates the IS, and notifies the network hosting device that the signaling saving network device and the first signaling saving network device are activated for the UE.
  • the network format supported by the routing area where the first signaling saving network device is located is different from the network standard supported by the routing area where the signaling saving network device is located.
  • the ISR activation unit 401 may further include:
  • the first sending sub-unit 4011 is configured to send a context request message that carries the first supporting ISR identifier; the value of the first supporting ISR identifier includes a value indicating that the ISR is requested to be activated or a value indicating that the ISR is not requested to be activated;
  • the first receiving subunit 4012 is configured to receive a value of the context response deactivation ISR carrying the second supporting ISR identifier.
  • the ISR activation unit 401 may further include:
  • the storage sub-unit 4013 is configured to store a context of the UE and information for activating the ISR for the UE, where the UE activates the ISR, that is, whether the UE activates the ISR;
  • the second sending sub-unit 4014 is configured to: the value of the first supporting ISR identifier carried in the context request message is a value indicating that the ISR is requested to be activated, and the value of the second supporting ISR identifier carried in the context response message is In order to allow the activation of the ISR value, a location update request message carrying the ISR activation identifier is sent to the network hosting device.
  • the signaling saving device may further include:
  • the allocating unit 402 is configured to allocate a packet domain temporary mobile station identifier and a routing area identifier to the UE after the first receiving unit 400 receives the routing area update request of the UE;
  • the synchronization unit 403 is configured to synchronize, after the negotiation determines that the ISR is activated by the UE, the packet domain temporary mobile station identifier and the routing area identifier allocated by the allocating unit 402 to the first signaling save network device.
  • the signaling saving device may further include:
  • the deactivation unit 404 is configured to deactivate the ISR.
  • the signaling saving device may further include:
  • the buffering unit 405 is configured to buffer the downlink data that is sent to the UE in the idle state.
  • the first notification unit 406 is configured to notify the first signaling saving network device that activates the ISR for the UE, and the present information. Having the network device save the paging of the UE together;
  • a paging unit 407 configured to send a paging to the UE
  • the second receiving unit 408 is configured to receive a paging response of the UE.
  • the second notification unit 409 is configured to notify, after the second receiving unit 408 receives the paging response, that the first signaling save network device that does not receive the paging response stops paging;
  • the data transmission unit 410 is configured to transmit data buffered by the buffer unit 405 to the UE.
  • the signaling saving device may further include:
  • the third notification unit 411 is configured to notify the first signaling save network device that activates the ISR with the signaling service network device, and perform the user separation operation simultaneously with the signaling service network device.
  • the economizing network device can be an SGSN in a 2G or 3G network.
  • the signaling saving device in the embodiment does not need to participate in the terminal to negotiate the activation of the ISR, which effectively reduces the network burden caused by the UE launching a large number of RAU processes when the UE moves back and forth between two different network standards. Simple, and compatible with the current network.
  • Another embodiment of the present invention provides a network registration device. As shown in FIG. 10, the network registration device includes:
  • the third receiving unit 100 is configured to receive a location update request message that carries the ISR activation identifier, and the storage unit 101 is configured to store, according to the ISR activation identifier, the UE information registered on the network signaling device of the two ends that is activated by the ISR. , and information to activate the ISR for the UE.
  • the network hosting device may further comprise:
  • the fourth notification unit 102 is configured to simultaneously notify the two ends of the signaling ISR to save the network device User separation operation.
  • the network hosting device described in this embodiment includes an HLR in a 2G or 3G network.
  • the network registration device in this embodiment may receive the location update request message carrying the ISR activation identifier, and does not perform the routing area cancellation process, that is, simultaneously saves the UE registered on the signaling device of the two ends of the signaling ISR activated by the UE. Information, as well as information to activate the ISR for the UE.
  • the embodiment of the present invention provides a signaling saving system, as shown in FIG. 11, including: a first signaling saving network device 110, a second signaling saving network device 111, and a network hosting device 112;
  • the first signaling save network device 110 is located in the first routing area, and is used by the UE to initiate a signaling save network device before the current routing area update;
  • the second signaling-saving network device 111 is located in the second routing area, and is configured to: after receiving the routing area update request sent by the UE, in the first signaling-saving network device 110 and the second signaling If the saving network device 111 does not activate the ISR in the idle state signaling for the UE, the first signaling saving network device 110 is negotiated to activate the ISR for the UE, and is determined to be activated by the UE after negotiation. After the ISR, the network signaling device 112 is notified that the second signaling-saving network device 111 and the first e-commerce network device 110 activate an ISR for the UE, where the network format supported by the second routing area is different from the The network standard supported by the first routing area;
  • the network hosting device 112 is configured to receive the notification of the second signaling save network device 111, and record the UE registration on the first signaling save network device 110 and the second signaling save network device 111. Information and information for the UE to activate the ISR.
  • the structure of the second signaling saving network device 111 is the same as that in the foregoing embodiment, and details are not described herein again.
  • the first signaling saving network device 110 and the second signaling saving network device 111 may be SGSN in GPRS or UMTS; the network hosting device may be HLR 0 of the UE in GPRS or UMTS
  • the embodiment of the present invention effectively reduces the terminal between two different network standards.
  • the network burden caused by a large number of RAU processes is initiated when the migration is performed.
  • This technology does not need to change the existing terminal, has strong compatibility with the existing network, and does not depend on the mixed cell, and is easy to implement.

Abstract

L'invention porte sur un procédé, un dispositif et un système de réduction de signalisation, le procédé comportant les opérations suivantes : un second équipement de réseau de réduction de signalisation d'une seconde zone de routage reçoit une requête de mise à jour de zone de routage envoyée par un équipement utilisateur (UE); si une réduction de signalisation en mode veille (ISR) n'est pas activée pour l'équipement utilisateur entre le second équipement de réseau de réduction de signalisation et un premier équipement de réseau de réduction de signalisation d'une première zone de routage avant que l'équipement utilisateur ne déclenche une mise à jour de zone de routage, le second équipement de réseau de réduction de signalisation négocie avec le premier équipement de réseau de réduction de signalisation pour activer ISR pour l'équipement utilisateur et avertit, après détermination, un équipement d'enregistrement de réseau de l'activation ISR pour l'équipement utilisateur; le système de réseau supporté par la seconde zone de routage est différent du système de réseau supporté par la première zone de routage.
PCT/CN2010/071537 2009-04-03 2010-04-02 Procédé, dispositif et système de réduction de signalisation WO2010111968A1 (fr)

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CN102307143B (zh) * 2011-08-22 2017-02-08 中兴通讯股份有限公司 多模基站媒体面报文的处理方法和装置
WO2016123809A1 (fr) 2015-02-06 2016-08-11 华为技术有限公司 Procédé et dispositif d'optimisation de signalisation

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CN1835622A (zh) * 2005-03-17 2006-09-20 华为技术有限公司 控制用户终端接入的方法
CN101052200A (zh) * 2006-04-03 2007-10-10 中兴通讯股份有限公司 一种移动通信系统中的路由更新方法
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CN1835622A (zh) * 2005-03-17 2006-09-20 华为技术有限公司 控制用户终端接入的方法
CN101052200A (zh) * 2006-04-03 2007-10-10 中兴通讯股份有限公司 一种移动通信系统中的路由更新方法
US20070248032A1 (en) * 2006-04-21 2007-10-25 Subramanian Vasudevan Method of providing route update messages and paging access terminals

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