CN102143476B - Gs or SGs interface message processing method and Gs or SGs interface message processing device - Google Patents

Abstract

The present invention provides a Gs interface or SGs interface message processing method and device, wherein a method includes: receiving an uplink Gs interface or SGs interface message from a mobile management device in a packet switching domain, and the uplink Gs interface or SGs interface message Including the IMSI; according to the known correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain, obtain the identifier of the mobility management device in the circuit-switched domain corresponding to the IMSI; identify the corresponding circuit to the mobility management device in the circuit-switched domain The mobility management device in the switching domain sends the uplink Gs interface or SGs interface message.

Description

Gs interface or SGs interface message processing method and device

technical field

The embodiments of the present invention relate to communication technologies, and in particular to a method and device for processing Gs interface or SGs interface messages.

Background technique

The core network consists of a packet switching (PS) domain core network and a circuit switching (Circuit Switching, CS) domain core network. The packet switching domain and the circuit switching domain can communicate through the Gs interface or SGs interface, that is, packet switching The mobility management device in the domain core network can be connected to the mobility management device in the circuit-switched domain core network, that is, a Mobile Switching Center (MSC for short) through a Gs interface or an SGs interface. The Gs interface refers to the interface between the Serving GPRS Supporting Node (SGSN) and the MSC, and the SGs interface refers to the Mobility Management Entity (MME) ) and the interface between MSC. If the MSC pool (Pool) is configured in the core network of the circuit switching domain, after the mobility management device in the core network of the packet switching domain receives the Gs interface or SGs interface message, it can The user identity (International Mobile Subscriber Identity, referred to as IMSI), selects any MSC from the MSC pool to process the above-mentioned Gs interface or SGs interface message, so that the MSC provides corresponding services.

In the prior art, the mobility management device in the packet-switched domain may select any other MSC in the MSC pool that is different from the MSC currently providing services, so that the user equipment needs to additionally perform a Location Area Update (LAU) process Registering with any of the above-mentioned other MSCs will increase the processing delay of the business process and reduce the business efficiency, business success rate and user experience. Similarly, a plurality of mobility management devices may also be configured in the core network of the packet switching domain (the embodiment of the present invention may be referred to as a mobility management device pool of the packet switching domain), and similar problems also exist.

Contents of the invention

Embodiments of the present invention provide a method and device for processing Gs interface or SGs interface messages, so as to prevent the mobility management equipment in the packet switching domain from being unable to correctly select the current circuit switching service in the scenario of the mobility management equipment pool in the circuit switching domain. The problem of additional processing delay caused by the mobility management device of the PS domain, or avoid the mobility management device in the PS domain that cannot correctly select the mobility management device of the PS domain that currently provides services in the scenario of the mobility management device pool of the PS domain The problem of additional processing delay caused by the device.

The embodiment of the present invention provides a Gs interface or SGs interface message processing method, including:

receiving an uplink Gs interface or SGs interface message from a mobility management device in the packet switching domain, where the uplink Gs interface or SGs interface message includes the IMSI;

According to the learned correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain, acquire the identifier of the mobility management device in the circuit-switched domain corresponding to the IMSI;

Sending the uplink Gs interface or SGs interface message to the mobility management device in the circuit switching domain corresponding to the mobility management device identifier in the circuit switching domain.

The embodiment of the present invention provides another Gs interface or SGs interface message processing method, including:

receiving a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI;

According to the corresponding relationship between the learned IMSI and the mobility management device identifier of the packet switching domain, acquire the mobility management device identifier of the packet switching domain corresponding to the IMSI;

Sending the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain.

The embodiment of the present invention also provides a Gs interface or SGs interface message processing device, including:

The first receiving module is configured to receive an uplink Gs interface or SGs interface message from a mobility management device in the packet switching domain, where the uplink Gs interface or SGs interface message includes the IMSI;

The first acquiring module is configured to acquire the mobility management device identifier of the circuit-switched domain corresponding to the IMSI according to the known correspondence between the IMSI and the mobility management device identifier of the circuit-switched domain;

The first sending module is configured to send the uplink Gs interface or SGs interface message to the mobility management device in the circuit switched domain corresponding to the mobility management device identifier in the circuit switched domain.

The embodiment of the present invention also provides another Gs interface or SGs interface message processing device, including:

A receiving module, configured to receive a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI;

An obtaining module, configured to obtain the mobile management device identifier of the packet-switched domain corresponding to the IMSI according to the known correspondence between the IMSI and the mobile management device identifier of the packet-switched domain;

A sending module, configured to send the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain.

It can be seen from the above technical solution that the Gs interface or SGs interface message processing method and device provided by the embodiment of the present invention avoids that the mobility management equipment in the packet switching domain cannot be correctly selected in the scenario of the mobility management equipment pool in the circuit switching domain. The problem of additional processing delay caused by the mobility management device in the circuit switching domain that currently provides services improves service efficiency and service success rate; or avoids the problem of the mobility management device pool in the packet switching domain due to the The problem that the mobility management device cannot correctly select the mobility management device in the packet switching domain currently providing services causes additional processing time delay, which improves service efficiency and service success rate.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic flowchart of a method for processing a Gs interface or SGs interface message provided by Embodiment 1 of the present invention;

FIG. 2 is a schematic flowchart of a method for processing Gs interface or SGs interface messages provided by Embodiment 2 of the present invention;

3 is a schematic flowchart of another Gs interface or SGs interface message processing method provided by Embodiment 3 of the present invention;

4 is a schematic structural diagram of a device for processing Gs interface or SGs interface messages provided by Embodiment 4 of the present invention;

5 is a schematic structural diagram of a device for processing Gs interface or SGs interface messages provided by Embodiment 5 of the present invention;

FIG. 6 is a schematic structural diagram of another device for processing Gs interface or SGs interface messages provided by Embodiment 6 of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that: the uplink in the following embodiments of the present invention refers to the direction from the mobility management device in the PS domain to the mobility management device in the CS domain, and the downlink refers to the movement from the mobility management device in the CS domain to the PS domain Manage the orientation of the device.

Fig. 1 is a schematic flow chart of a Gs interface or SGs interface message processing method provided by Embodiment 1 of the present invention. As shown in Fig. 1, the Gs interface or SGs interface message processing method of the present embodiment may include the following steps:

Step 101, receiving an uplink Gs interface or SGs interface message from a mobility management device in the packet switching domain, where the above uplink Gs interface or SGs interface message includes the IMSI;

Specifically, the uplink Gs interface message in this step may include but not limited to the following messages:

Gs interface location update request (BSSAP+-LOCATION-UPDATE-REQUEST);

Gs interface Temporary Mobile Subscriber Identity (TMSI) reallocation completion indication (BSSAP+-TMSI-REALLOCATION-COMPLETE);

Gs interface paging user is unreachable (BSSAP+-MS-UNREACHABLE);

Gs interface paging rejection (BSSAP+-PAGING-REJECT);

Gs interface non-GPRS service alert response (BSSAP+-ALERT-ACK);

Gs interface non-GPRS service reminder rejection (BSSAP+-ALERT-REJECT);

Gs interface user activity indication (BSSAP+-MS-ACTIVITY-INDICATION);

Gs interface GPRS detachment indication (BSSAP+-GPRS-DETACH-INDICATION);

Gs interface IMSI detachment indication (BSSAP+-IMSI-DETACH-INDICATION);

Gs interface uplink tunnel request (BSSAP+-UPLINK-TUNNEL-REQUEST);

Gs interface mobile user information response (BSSAP+-MS-INFORMATION-RESPONSE).

Specifically, the uplink SGs interface message in this step may include but not limited to the following messages:

SGs interface location update request (SGsAP-LOCATION-UPDATE-REQUEST);

SGs interface temporary mobile subscriber identity (SGsAP-TMSI-REALLOCATION-COMPLETE);

SGs interface paging user is unreachable (SGsAP-MS-UNREACHABLE);

SGs interface paging rejection (SGsAP-PAGING-REJECT);

SGs interface service request (SGsAP-SERVICE-REQUEST);

SGs interface non-GPRS service alert response (SGsAP-ALERT-ACK);

SGs interface non-GPRS service reminder rejection (SGsAP-ALERT-REJECT);

SGs interface user activity indication (SGsAP-MS-ACTIVITY-INDICATION);

SGs interface GPRS detachment indication (SGsAP-GPRS-DETACH-INDICATION);

SGs interface IMSI detachment indication (SGsAP-IMSI-DETACH-INDICATION);

SGs interface uplink tunnel request (SGsAP-UPLINK-TUNNEL-REQUEST).

Step 102, according to the known correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain, acquire the mobility management device identifier in the circuit-switched domain corresponding to the IMSI;

Specifically, before this step, a step of obtaining the corresponding relationship between the IMSI and the mobility management device identifier in the circuit-switched domain may be further included. Specific methods may include but are not limited to the following methods: according to the location update process of the circuit switching domain, obtain the corresponding relationship between the above-mentioned IMSI and the mobility management device identifier of the circuit switching domain; or according to the preset load balancing policy of the mobility management device of the circuit switching domain, The corresponding relationship between the above-mentioned IMSI and the mobility management device identifier in the circuit-switched domain is obtained.

Step 103: Send the above-mentioned uplink Gs interface or SGs interface message to the mobility management device in the circuit-switching domain corresponding to the mobility management device identifier in the circuit-switching domain, so that the mobility management device in the circuit-switching domain can communicate with the above-mentioned uplink Gs interface or SGs interface The message is processed.

In this embodiment, by receiving the uplink Gs interface or SGs interface message containing the IMSI from the mobility management device in the packet switching domain, and according to the learned correspondence between the IMSI and the mobility management device identifier in the circuit switching domain, the information corresponding to the above IMSI is obtained. The mobility management device identifier of the circuit-switched domain enables the above-mentioned uplink Gs interface or SGs interface message to be sent to the mobility management device of the circuit-switched domain corresponding to the mobility management device identifier of the circuit-switched domain, so that the mobility management of the above-mentioned circuit-switched domain can The device processes the above-mentioned uplink Gs interface or SGs interface messages, avoiding that in the scenario of the mobility management device pool in the circuit switching domain, the mobility management device in the packet switching domain cannot correctly select the mobility management device in the circuit switching domain that currently provides services The problem of additional processing delay caused by this problem improves business efficiency and business success rate.

Specifically, the executor in this embodiment may be a newly added network device, or an existing network device, such as a mobility management device in the packet switching domain, a mobility management device in the circuit switching domain, etc. Examples are not limited to this.

The processing method of the Gs interface or SGs interface message in this embodiment can be applied to various radio access networks, for example: Evolved Universal Mobile Telecommunications System (UMTS for short) Terrestrial Radio Access Network (Evolved Universal Mobile Telecommunications System Territorial Radio Access Network, referred to as E-UTRAN), UMTS Territorial Radio Access Network (UMTS Territorial Radio AccessNetwork, referred to as UTRAN), Global System for Mobile Communications (Global System for Mobile Communications, referred to as GSM) / enhanced data rate GSM evolution technology (EnhancedData rate for GSM Evolution, referred to as EDGE) wireless access network (GSM EDGE RadioAccess Network, referred to as GERAN) and other networks.

The mobility management device in the packet-switched domain can be the Mobility Management Entity (MME) in E-UTRAN, or the general packet radio service (General Packet Radio Service, GPRS for short) in UTRAN/GERAN. ) supporting node (Serving GPRS Supporting Node, referred to as SGSN), and the mobile management device in the circuit switched domain may be a mobile switching center (Mobile Switching Center, referred to as MSC) in E-UTRAN/UTRAN/GERAN.

Fig. 2 is a schematic flow chart of a Gs interface or SGs interface message processing method provided by Embodiment 2 of the present invention. Compared with the previous embodiment, this embodiment can further include the processing of downlink Gs interface or SGs interface messages , as shown in Figure 2, after the method of the previous embodiment, the processing method of the Gs interface or SGs interface message of the present embodiment may further include:

Step 201, receiving a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the above downlink Gs interface or SGs interface message includes the IMSI;

Specifically, the downlink Gs interface message in this step may include but not limited to the following messages:

Gs interface location update acceptance (BSSAP+-LOCATION-UPDATE-ACCEPT);

Gs interface location update rejection (BSSAP+-LOCATION-UPDATE-REJECT);

Gs interface paging request (BSSAP+-PAGING-REQUEST);

Gs interface non-GPRS service reminder (BSSAP+-ALERT-REQUEST);

Gs interface mobile user information request (BSSAP+-MM-INFORMATION-REQUEST);

Gs interface GPRS detach indication response (BSSAP+-GPRS-DETACH-ACK);

Gs interface IMSI detach indication response (BSSAP+-IMSI-DETACH-ACK);

Gs interface downlink tunnel request (BSSAP+-DOWNLINK-TUNNEL-REQUEST);

Gs interface mobile user information request (BSSAP+-MS-INFORMATION-REQUEST);

Specifically, the downlink SGs interface message in this step may include but not limited to the following messages:

SGs interface location update accept (SGsAP-LOCATION-UPDATE-ACCEPT);

SGs interface location update rejection (SGsAP-LOCATION-UPDATE-REJECT);

SGs interface paging request (SGsAP-PAGING-REQUEST);

Gs interface non-GPRS service alert (SGsAP-ALERT-REQUEST);

SGs interface mobile user information request SGsAP-MM-INFORMATION-REQUEST);

SGs interface GPRS detach indication response (SGsAP-GPRS-DETACH-ACK);

SGs interface IMSI detach indication response (SGsAP-IMSI-DETACH-ACK);

SGs interface downlink tunnel request (SGsAP-DOWNLINK-TUNNEL-REQUEST);

SGs interface release request (SGsAP-RELEASE-REQUEST).

Step 202, according to the known correspondence between the IMSI and the mobility management device identifier in the packet-switched domain, obtain the identifier of the mobility management device in the packet-switched domain corresponding to the IMSI;

Specifically, before this step, a step of obtaining the corresponding relationship between the IMSI and the mobility management device identifier in the packet switching domain may be further included. Specific methods may include but are not limited to the following:

Receive a location update request message from the Gs interface or SGs interface of the mobility management device in the packet switching domain, where the location update request message on the Gs interface or the SGs interface includes the IMSI, according to the packet switching domain of the mobility management device in the packet switching domain The mobility management device identifier and the above-mentioned IMSI obtain the corresponding relationship between the above-mentioned IMSI and the above-mentioned mobility management device identifier in the PS domain.

Step 203: Send the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain, so that the mobility management device in the PS domain can communicate with the downlink Gs interface or SGs interface The message is processed.

In this embodiment, by receiving the downlink Gs interface or SGs interface message containing the IMSI from the mobility management device in the packet switching domain, and according to the learned correspondence between the IMSI and the mobility management device identifier in the packet switching domain, the information corresponding to the above IMSI is obtained. The mobility management device identifier of the PS domain enables sending the downlink Gs interface or SGs interface message to the mobility management device of the PS domain corresponding to the mobility management device identifier of the PS domain, so that the mobility management of the PS domain can The device processes the above-mentioned downlink Gs interface or SGs interface messages, avoiding that in the scenario of the mobility management device pool in the packet switching domain, the mobility management device in the circuit switching domain cannot correctly select the mobility management device in the packet switching domain that currently provides services The problem of additional processing delay caused by this problem improves business efficiency and business success rate.

Specifically, when CS domain paging is performed, if the non-access stratum network node selection function (NonAccess Stratum Node Selection Function, NNSF for short) is implemented on the media gateway (MediaGateway, MGW for short), this embodiment may further include sending all The MGW broadcasts the correspondence between the learned IMSI and the mobility management device identifier in the circuit-switched domain, so that the corresponding MGW can send the paging response (Paging Response) message from the user equipment to the mobility management device in the circuit-switched domain that initiates paging If the NNSF is implemented on a radio network controller (RadioNetwork Controller, referred to as RNC)/base station controller (Base Station Controller, referred to as BSC), this embodiment can further include broadcasting the information learned to the BSC/RNC in the location area of the user equipment The corresponding relationship between the IMSI and the mobility management device identifier in the circuit-switched domain enables the corresponding RNC/BSC to send the paging response (Paging Response) message from the user equipment to the mobility management device in the circuit-switched domain that initiates paging.

Further, in order to reduce the traffic in the network, for the former, the learned correspondence between the IMSI and the mobility management device identifier in the circuit switched domain may only be broadcast to the MGW connected to the BSC/RNC in the location area where the user equipment is located.

Further, when receiving the Gs interface reset indication message (BSSAP+-RESET-INDICATION) or the SGs interface reset indication message (SGsAP-RESET-INDICATION) from the mobility management device in the circuit switched domain, the reset indication message does not contain the IMSI , sending the reset instruction message to the mobility management device in the packet switching domain corresponding to the mobility management device identifier in the packet switching domain according to the learned mobility management device identifier in the packet switching domain in the reset instruction message; receiving the reset instruction message from the packet switching domain The Gs interface reset acknowledgment message (BSSAP+-RESET-ACK) or the SGs interface reset acknowledgment message (SGsAP-RESET-ACK) of the mobile management device of the mobile management device. All mobile management devices in the circuit switched domain broadcast the reset confirmation message; when receiving the Gs interface reset indication message (BSSAP+-RESET-INDICATION) or the SGs interface reset indication message (SGsAP-RESET- INDICATION), the above-mentioned reset instruction message does not include the IMSI, broadcast the above-mentioned reset instruction message to all mobility management devices in the circuit-switched domain in the mobility management device pool of the circuit-switched domain, and send Gs to the mobility management device in the packet-switched domain Interface reset acknowledgment message (BSSAP+-RESET-ACK) or SGs interface reset acknowledgment message (SGsAP-RESET-ACK) (Receive the reset acknowledgment sent by any mobility management device in the circuit switching domain in the mobility management device pool of the circuit switching domain message, you can leave it alone).

Similarly, when receiving the Gs interface status indication message (BSSAP+-MOBILE-STATUS) or the SGs interface status indication message (SGsAP-MOBILE-STATUS) from the mobility management device in the circuit switched domain, the above status indication message does not contain the IMSI , sending the above state indication message to the mobility management device in the PS domain corresponding to the mobility management device ID in the PS domain according to the acquired mobile management device identifier in the PS domain in the status indication message; receiving the status indication message from the PS domain Gs interface status acknowledgment message (BSSAP+-MOBILE-STATUS-ACK) or SGs interface status acknowledgment message (SGsAP-MOBILE-STATUS-ACK) of the mobility management device, the above status indication message does not contain IMSI, and the movement to the circuit switched domain The mobility management equipment of all circuit switching domains in the management equipment pool broadcasts the above-mentioned status confirmation message; when receiving the Gs interface status indication message (BSSAP+-RESET-INDICATION) or the SGs interface status indication message ( SGsAP-RESET-INDICATION), the above status indication message does not contain the IMSI, broadcast the above status indication message to all mobility management devices in the circuit switching domain in the mobility management device pool of the circuit switching domain, and move to the packet switching domain The management device sends a Gs interface status confirmation message (BSSAP+-RESET-ACK) or an SGs interface status confirmation message (SGsAP-RESET-ACK) (received by any mobility management device in the circuit switching domain in the mobility management device pool of the circuit switching domain) The status confirmation message sent may not be processed).

Those skilled in the art can understand that: in the embodiment of the present invention, in order to realize the forwarding of uplink messages or downlink messages, the uplink Gs interface sent to the mobility management device in the circuit-switched domain corresponding to the acquired mobility management device identifier in the circuit-switched domain or SGs interface message, it is necessary to modify the destination point code (Destination Point Code, DPC) of the received uplink Gs interface or SGs interface message, that is, the own signaling point code contained in the uplink Gs interface or SGs interface message Modify it to the signaling point code of the mobility management device in the corresponding circuit-switched domain; the downlink Gs interface or SGs interface message sent to the mobility management device in the packet-switched domain corresponding to the obtained mobility management device identifier in the packet-switched domain needs to be modified to receive The origination point code (OPC for short) of the downlink Gs interface or SGs interface message received, that is, modify the own signaling point code contained in the downlink Gs interface or SGs interface message to the corresponding circuit switched domain The signaling point code of the mobility management device.

FIG. 3 is a schematic flow diagram of another Gs interface or SGs interface message processing method provided by Embodiment 3 of the present invention. As shown in FIG. 3 , the Gs interface or SGs interface message processing method of this embodiment may further include:

Step 301, receiving a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the above downlink Gs interface or SGs interface message includes the IMSI;

Specifically, the downlink Gs interface message in this step may include but not limited to the following messages:

Gs interface location update acceptance (BSSAP+-LOCATION-UPDATE-ACCEPT);

Gs interface location update rejection (BSSAP+-LOCATION-UPDATE-REJECT);

Gs interface paging request (BSSAP+-PAGING-REQUEST);

Gs interface non-GPRS service reminder (BSSAP+-ALERT-REQUEST);

Gs interface mobile user information request (BSSAP+-MM-INFORMATION-REQUEST);

Gs interface GPRS detach indication response (BSSAP+-GPRS-DETACH-ACK);

Gs interface IMSI detach indication response (BSSAP+-IMSI-DETACH-ACK);

Gs interface downlink tunnel request (BSSAP+-DOWNLINK-TUNNEL-REQUEST);

Gs interface mobile user information request (BSSAP+-MS-INFORMATION-REQUEST);

Specifically, the downlink SGs interface message in this step may include but not limited to the following messages:

SGs interface location update accept (SGsAP-LOCATION-UPDATE-ACCEPT);

SGs interface location update rejection (SGsAP-LOCATION-UPDATE-REJECT);

SGs interface paging request (SGsAP-PAGING-REQUEST);

Gs interface non-GPRS service alert (SGsAP-ALERT-REQUEST);

SGs interface mobile user information request SGsAP-MM-INFORMATION-REQUEST);

SGs interface GPRS detach indication response (SGsAP-GPRS-DETACH-ACK);

SGs interface IMSI detach indication response (SGsAP-IMSI-DETACH-ACK);

SGs interface downlink tunnel request (SGsAP-DOWNLINK-TUNNEL-REQUEST);

SGs interface release request (SGsAP-RELEASE-REQUEST).

Step 302, according to the known correspondence between the IMSI and the mobility management device identifier of the PS domain, acquire the mobility management device identifier of the PS domain corresponding to the IMSI;

Specifically, before this step, a step of obtaining the corresponding relationship between the IMSI and the mobility management device identifier in the packet switching domain may be further included. Specific methods may include but are not limited to the following:

Receive a location update request message from the Gs interface or SGs interface of the mobility management device in the packet switching domain, where the location update request message on the Gs interface or the SGs interface includes the IMSI, according to the packet switching domain of the mobility management device in the packet switching domain The mobility management device identifier and the above-mentioned IMSI obtain the corresponding relationship between the above-mentioned IMSI and the above-mentioned mobility management device identifier in the PS domain.

Step 303: Send the above-mentioned downlink Gs interface or SGs interface message to the mobile management device in the PS domain corresponding to the mobile management device identifier in the PS domain, so that the mobile management device in the PS domain can communicate with the downlink Gs interface or SGs interface The message is processed.

In this embodiment, by receiving the downlink Gs interface or SGs interface message containing the IMSI from the mobility management device in the circuit switching domain, and according to the known correspondence between the IMSI and the mobility management device identifier in the packet switching domain, the information corresponding to the above IMSI is obtained. The mobility management device identifier of the PS domain enables sending the downlink Gs interface or SGs interface message to the mobility management device of the PS domain corresponding to the mobility management device identifier of the PS domain, so that the mobility management of the PS domain can The device processes the above-mentioned downlink Gs interface or SGs interface messages, avoiding that in the scenario of the mobility management device pool in the packet switching domain, the mobility management device in the circuit switching domain cannot correctly select the mobility management device in the packet switching domain that currently provides services The problem of additional processing delay caused by this problem improves business efficiency and business success rate.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence. Because of the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

Figure 4 is a schematic structural diagram of a Gs interface or SGs interface message processing device provided in Embodiment 4 of the present invention. As shown in Figure 4, the Gs interface or SGs interface message processing device of this embodiment may include a first receiving module 41. A first acquiring module 42 and a first sending module 43. Wherein, the first receiving module 41 receives the uplink Gs interface or SGs interface message from the mobile management device in the packet switching domain, and the above uplink Gs interface or SGs interface message contains the IMSI, and the first obtaining module 42 receives the received IMSI and the circuit switching domain The corresponding relationship of the mobility management device identifier of the above-mentioned IMSI is obtained, and the mobility management device identifier of the circuit-switched domain corresponding to the above-mentioned IMSI is obtained, and the first sending module 43 sends the above-mentioned The uplink Gs interface or SGs interface message, so that the mobility management device in the circuit switched domain processes the above uplink Gs interface or SGs interface message.

The methods in Embodiments 1, 2, and 3 of the present invention above can all be implemented by the device for processing messages of the Gs interface or SGs interface provided by the embodiments of the present invention.

In this embodiment, the first receiving module receives the uplink Gs interface or SGs interface message containing the IMSI from the mobility management device in the packet switching domain, and the first obtaining module according to the correspondence between the learned IMSI and the mobility management device identifier in the circuit switching domain relationship, obtaining the mobility management device identifier of the circuit-switched domain corresponding to the IMSI, so that the first sending module can send the above-mentioned uplink Gs interface or SGs interface to the mobility management device of the circuit-switched domain corresponding to the mobility management device identifier of the circuit-switched domain message, so that the mobility management device in the circuit-switched domain can process the uplink Gs interface or SGs interface message, avoiding that the mobility management device in the packet-switched domain cannot correctly select the The additional processing delay caused by the mobility management equipment to the circuit switching domain currently providing services improves service efficiency and service success rate.

Fig. 5 is a schematic structural diagram of a Gs interface or SGs interface message processing device provided in Embodiment 5 of the present invention. As shown in Fig. 5, compared with the previous embodiment, the Gs interface or SGs interface message of this embodiment The processing device may further include a second receiving module 51 , a second acquiring module 52 and a second sending module 53 . Wherein, the second receiving module 51 receives the downlink Gs interface or SGs interface message from the mobility management device in the circuit switching domain, and the above downlink Gs interface or SGs interface message includes the IMSI, and the second obtaining module 52 receives the received IMSI and the packet switching domain The corresponding relationship of the mobile management device identifier of the above-mentioned IMSI is obtained, and the mobility management device identifier of the packet switching domain corresponding to the above-mentioned IMSI is obtained, and the second sending module 53 sends the above-mentioned The downlink Gs interface or SGs interface message, so that the mobility management device in the packet switching domain processes the above downlink Gs interface or SGs interface message.

Specifically, when CS domain paging is performed, if the non-access layer network node selection function (NonAccess Stratum Node Selection Function, NNSF for short) is implemented on the media gateway (MediaGateway, MGW for short), the first sending module in this embodiment 43 can be further used to broadcast to all MGWs the known correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain, so that the corresponding MGW can send the paging response (PagingResponse) message from the user equipment to the paging-initiated Mobile management equipment in the circuit switching domain; if NNSF is implemented on a radio network controller (Radio Network Controller, referred to as RNC)/base station controller (BaseStation Controller, referred to as BSC), the first sending module 43 in this embodiment can also further It is used to broadcast to the BSC/RNC in the location area where the user equipment is located the corresponding relationship between the learned IMSI and the mobility management device identifier in the circuit switched domain, so that the corresponding RNC/BSC can send the paging response (Paging Response) message from the user equipment Sent to the mobility management device in the circuit-switched domain that initiated the paging.

Further, in order to reduce the traffic in the network, for the former, the first sending module 43 may only broadcast the learned correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain to the MGW connected to the BSC/RNC in the location area where the user equipment is located.

In this embodiment, the downlink Gs interface or SGs interface message containing the IMSI from the mobility management device in the circuit switching domain is received by the second receiving module, and the second obtaining module is based on the correspondence between the learned IMSI and the mobility management device identifier in the packet switching domain relationship, obtaining the mobile management device identifier of the packet switching domain corresponding to the above-mentioned IMSI, so that the second sending module can send the above-mentioned downlink Gs interface or SGs interface to the mobility management device of the packet switching domain corresponding to the mobile management device identifier of the above-mentioned packet switching domain message, so that the mobility management device in the packet switching domain can process the downlink Gs interface or SGs interface message, avoiding that the mobility management device in the circuit switching domain cannot correctly select the The problem of extra processing time delay caused by the mobile management equipment in the packet switching domain that currently provides services improves the service efficiency and service success rate.

FIG. 6 is a schematic structural diagram of another Gs interface or SGs interface message processing device provided in Embodiment 6 of the present invention. As shown in FIG. 6 , the Gs interface or SGs interface message processing device of this embodiment may include a receiving module 61 , an acquisition module 62 and a sending module 63. Wherein, the receiving module 61 receives the downlink Gs interface or SGs interface message from the mobility management device in the circuit-switched domain. The above-mentioned downlink Gs interface or SGs interface message contains the IMSI, and the acquisition module 62 receives the IMSI and the packet-switched domain mobility management device based on the known IMSI. The corresponding relationship between the identifiers is to obtain the mobile management device identifier of the packet switching domain corresponding to the above-mentioned IMSI, and the sending module 63 sends the above-mentioned downlink Gs interface or SGs interface to the mobility management device of the packet switching domain corresponding to the mobile management device identifier of the packet switching domain. message, so that the mobility management device in the packet switching domain processes the downlink Gs interface or SGs interface message.

In this embodiment, the receiving module receives the downlink Gs interface or SGs interface message containing the IMSI from the mobility management device in the circuit switching domain, and the obtaining module obtains the corresponding relationship with the The mobile management device identifier of the packet switching domain corresponding to the above-mentioned IMSI enables the sending module to send the above-mentioned downlink Gs interface or SGs interface message to the mobile management device of the packet switching domain corresponding to the mobile management device identifier of the packet switching domain, so that the above-mentioned The mobility management device in the packet switching domain processes the above-mentioned downlink Gs interface or SGs interface messages, avoiding that in the scenario of the mobility management device pool in the packet switching domain, the mobility management device in the circuit switching domain cannot correctly select the packet currently providing services. The problem of extra processing delay caused by mobility management equipment in the switching domain improves service efficiency and service success rate.

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. a processing method of Gs interface or SGs interface message, it is characterized in that, the executor of described method is newly-added network equipment or the mobile management equipment of circuit switching domain, and described method comprises: receiving an uplink Gs interface or SGs interface message from a mobility management device in the packet switching domain, where the uplink Gs interface or SGs interface message includes the IMSI; According to the learned correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain, acquire the identifier of the mobility management device in the circuit-switched domain corresponding to the IMSI; Sending the uplink Gs interface or SGs interface message to the mobility management device in the circuit switching domain corresponding to the mobility management device identifier in the circuit switching domain. 2. The method according to claim 1, wherein the correspondence between the IMSI and the mobility management device identifier in the circuit-switched domain is: learned according to the circuit-switched domain location update procedure; or It is learned according to the preset load balancing policy of the mobility management device in the circuit switching domain. 3. The method according to claim 1, further comprising: receiving a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI; According to the corresponding relationship between the learned IMSI and the mobility management device identifier of the packet switching domain, acquire the mobility management device identifier of the packet switching domain corresponding to the IMSI; Sending the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain. 4. The method according to claim 1, 2 or 3, further comprising: broadcasting to the MGW or BSC/RNS the corresponding relationship between the learned IMSI and the mobility management device identifier in the circuit switched domain. 5. according to the described method of claim 1,2 or 3, it is characterized in that, described method also comprises: Receive a reset indication message from the Gs interface or the SGs interface of the mobility management device in the circuit switched domain, or a status indication message from the Gs interface or the SGs interface; Sending the reset instruction to the mobility management device in the packet switching domain corresponding to the mobility management device identifier in the packet switching domain according to the acquired mobility management device identifier in the reset indication message or the status indication message a message or said status indication message; receiving a reset confirmation message from the Gs interface or the SGs interface of the mobility management device in the packet switching domain or a status confirmation message from the Gs interface or the SGs interface; broadcasting the reset acknowledgment message or the status acknowledgment message; or Receive a reset indication message from the Gs interface or the SGs interface of the mobility management device in the packet switching domain, or a status indication message from the Gs interface or the SGs interface; broadcasting the reset indication message or the status indication message; Sending a reset acknowledgment message of the Gs interface or the SGs interface or a status acknowledgment message of the Gs interface or the SGs interface to the mobility management device in the PS domain. 6. A processing method for Gs interface or SGs interface message, characterized in that, comprising: receiving a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI; According to the corresponding relationship between the learned IMSI and the mobility management device identifier of the packet switching domain, acquire the mobility management device identifier of the packet switching domain corresponding to the IMSI; Sending the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain. 7. A processing device for a Gs interface or SGs interface message, characterized in that the device is deployed inside a newly added network device or inside a mobility management device in a circuit switched domain, and the device includes: The first receiving module is configured to receive an uplink Gs interface or SGs interface message from a mobility management device in the packet switching domain, where the uplink Gs interface or SGs interface message includes the IMSI; The first acquiring module is configured to acquire the mobility management device identifier of the circuit-switched domain corresponding to the IMSI according to the known correspondence between the IMSI and the mobility management device identifier of the circuit-switched domain; The first sending module is configured to send the uplink Gs interface or SGs interface message to the mobility management device in the circuit switched domain corresponding to the mobility management device identifier in the circuit switched domain. 8. The device according to claim 7, further comprising: The second receiving module is configured to receive a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI; The second obtaining module is used to obtain the mobile management device identification of the packet switching domain corresponding to the IMSI according to the corresponding relationship between the learned IMSI and the mobile management device identification of the packet switching domain; The second sending module is configured to send the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain. 9. The device according to claim 7 or 8, wherein the first sending module is further configured to broadcast to the MGW or BSC/RNS the learned correspondence between the IMSI and the mobility management device identifier in the circuit switched domain. 10. A processing device for Gs interface or SGs interface message, characterized in that, comprising: A receiving module, configured to receive a downlink Gs interface or SGs interface message from a mobility management device in the circuit switched domain, where the downlink Gs interface or SGs interface message includes the IMSI; An obtaining module, configured to obtain the mobile management device identifier of the packet-switched domain corresponding to the IMSI according to the known correspondence between the IMSI and the mobile management device identifier of the packet-switched domain; A sending module, configured to send the downlink Gs interface or SGs interface message to the mobility management device in the PS domain corresponding to the mobility management device identifier in the PS domain.

Images