CN105681158B - A kind of method, apparatus and system for improving IP short message and delivering accuracy - Google Patents

Abstract

The invention discloses a method for improving the delivery accuracy of an IP short message. The method includes: an HSS receives a T-ADS information query request sent by an IP-SM-GW; , and determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN; the HSS returns the domain selection information to the IP-SM-GW. The invention also discloses a device and a system for realizing the method.

Description

A method, device and system for improving the delivery accuracy of IP short messages

technical field

The present invention relates to data service transmission technology in the field of mobile communication, in particular to a method, device and system for improving the delivery accuracy of IP short messages.

Background technique

With the widespread application of IP networks, IP short messages have also become one of the requirements of telecommunication services. By introducing the Internet Protocol Short Message Gateway (IP-SM-GW), the intercommunication between IP short messages and circuit domain short messages can be realized, and the intercommunication between instant messages and short messages can also be realized.

After the IP-SM-GW receives the short message sent by the Short Message Service Center (SMSC), it will perform the domain selection function. According to international standards, the domain selection strategy is determined by the operator or the user's preference. In specific implementation, the IMS domain can be selected, the CS domain can be selected, the IMS domain can be sent first and then the CS domain can be sent, or more complex strategies can be selected. Therefore, this domain selection strategy based on configuration is not flexible enough. If the domain selection is wrong, it is easy to cause delay in delivery of short messages, and it cannot guarantee accurate delivery of IP short messages, resulting in poor user experience.

SUMMARY OF THE INVENTION

In order to solve the existing technical problems, the embodiments of the present invention provide a method, device and system for improving the delivery accuracy of an IP short message.

An embodiment of the present invention provides a method for improving the delivery accuracy of an IP short message, the method comprising:

The HSS receives the T-ADS information query request sent by the IP-SM-GW;

After the HSS determines that the terminal is registered in both the IMS and the CS, it determines the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN;

The HSS returns domain selection information to the IP-SM-GW.

Wherein, after the HSS receives the T-ADS information query request sent by the IP-SM-GW, the method further includes:

After the HSS determines that the terminal has a registration state in the IMS or CS, it determines the domain selection information according to the registration state of the terminal in the IMS or CS.

Wherein, after the HSS receives the T-ADS information query request sent by the IP-SM-GW, the method further includes:

After the HSS determines that the terminal has no registration status in the IMS or the CS, it decides to select the IMS domain.

Wherein, the HSS determines the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN, including:

The HSS queries the MME and the SGSN for the registration timestamp of the terminal. If the terminal has recently registered in the SGSN, it is determined to select the CS domain; if the terminal has recently registered in the MME, it is determined whether the MME supports the VoLTE service. If supported, it is decided to select the IMS domain; otherwise, it is decided to select the CS domain.

The embodiment of the present invention also provides a method for improving the delivery accuracy of an IP short message, the method comprising:

The IP-SM-GW sends a T-ADS information query request to the HSS;

The IP-SM-GW receives the domain selection information returned by the HSS; the domain selection information is determined by the HSS after the terminal is registered in both the IMS and the CS, according to the registration timestamp of the terminal in the MME and the SGSN. Judgment income.

The embodiment of the present invention also provides a device for improving the delivery accuracy of IP short messages, the device is the HSS described above, and the HSS includes: a receiving module, a domain determining module, and a sending module; wherein,

The receiving module is configured to receive the T-ADS information query request sent by the IP-SM-GW;

The domain determination module is used to determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN after determining that the terminal has a registration status in the IMS and the CS;

The sending module is configured to return the domain selection information to the IP-SM-GW.

Wherein, after the receiving module receives the T-ADS information query request sent by the IP-SM-GW,

The domain determination module is further configured to determine domain selection information according to the registration state of the terminal in the IMS or CS after determining that the terminal has a registration state in the IMS or CS.

Wherein, after the receiving module receives the T-ADS information query request sent by the IP-SM-GW,

The domain determination module is further configured to determine that the IMS domain is selected after the terminal has no registration status in the IMS or the CS.

An embodiment of the present invention also provides a device for improving the delivery accuracy of an IP short message. The device is the IP-SM-GW described above, and the IP-SM-GW includes: a sending module and a receiving module; wherein,

The sending module is used to send a T-ADS information query request to the HSS;

The receiving module is configured to receive the domain selection information returned by the HSS; the domain selection information is determined by the HSS after the terminal has a registration status in the IMS and the CS, and is based on the registration of the terminal in the MME and the SGSN. Timestamp judgment.

The embodiment of the present invention also provides a system for improving the delivery accuracy of an IP short message. The system includes: the above-mentioned HSS, IP-SM-GW, MME and SGSN.

In the method, device and system for improving the delivery accuracy of IP short messages provided by the embodiments of the present invention, the HSS receives the Terminating-Access DomainSelection (Terminating-Access DomainSelection, T-ADS) information query request; HSS determines the domain selection information according to the registration timestamp of the terminal in the mobility management entity (MME) and GPRS service support node (SGSN) after determining that the terminal is registered in both IMS and CS; HSS will Domain selection information is returned to the IP-SM-GW. The embodiment of the present invention adopts a standard domain selection scheme to replace the existing IP short message domain selection strategy, and the adopted domain selection strategy is flexible, which can reduce the short message delivery delay caused by inaccurate domain selection, and at the same time improve the IP short message Delivery accuracy, improve user experience.

Description of drawings

In the drawings, which are not necessarily to scale, like reference numerals may describe like parts in the different views. Similar reference numbers with different letter suffixes may denote different instances of similar components. The accompanying drawings generally illustrate, by way of example and not limitation, the various embodiments discussed herein.

Fig. 1 is the implementation flow chart of the method for improving the delivery accuracy of IP short message according to the embodiment of the present invention;

2 is a flow chart of the implementation of a method for improving the delivery accuracy of an IP short message according to another embodiment of the present invention;

3 is a schematic flowchart of a method for improving the delivery accuracy of IP short messages described in a specific application scenario of the present invention;

4 is a schematic structural diagram of an HSS according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an IP-SM-GW according to an embodiment of the present invention.

Detailed ways

In the embodiment of the present invention, the HSS receives the T-ADS information query request sent by the IP-SM-GW; after the HSS determines that the terminal has a registration status in the IMS and the CS, it determines the domain according to the registration timestamp of the terminal in the MME and the SGSN. selection information; the HSS returns the domain selection information to the IP-SM-GW.

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the implementation flow chart of the method for improving the delivery accuracy of the IP short message according to the embodiment of the present invention. As shown in Fig. 1, the method includes:

Step 101: the HSS receives the T-ADS information query request sent by the IP-SM-GW;

In the embodiment of the present invention, after receiving the short message sent by the SMSC, the IP-SM-GW sends a T-ADS information query request to the HSS.

Step 102: After the HSS determines that the terminal has a registration status in the IMS and the CS, it determines the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN;

Here, after determining that the terminal is registered in both the IMS and CS, the HSS queries the MME and SGSN for the terminal's registration timestamp to enhance the accuracy of domain selection; specifically, if the terminal has recently registered in the SGSN, it is determined that Select the CS domain, this case corresponds to the VoLTE single/dual standby terminal running under the 2G/3G network; if the terminal has recently registered with the MME, it is judged whether the MME supports the VoLTE service, and if so, it is judged to select the IMS domain. , this case corresponds to the VoLTE single/dual standby terminal running under the VoLTE network; otherwise it is determined to select the CS domain, this situation corresponds to the VoLTE single/dual standby terminal running under the CSFB network.

In the embodiment of the present invention, both the MME and the SGSN support the query of T-ADS information.

Step 103: The HSS returns the domain selection information to the IP-SM-GW.

The embodiment of the present invention adopts a standard domain selection scheme to replace the existing IP short message domain selection strategy, and the adopted domain selection strategy is flexible, which can reduce the short message delivery delay caused by inaccurate domain selection, and at the same time improve the IP short message Delivery accuracy, improve user experience.

In an embodiment of the present invention, after the HSS receives the T-ADS information query request sent by the IP-SM-GW, the method further includes:

After the HSS determines that the terminal has a registration state in the IMS or the CS, it determines the domain selection information according to the registration state of the terminal in the IMS or the CS.

In an embodiment of the present invention, after the HSS receives the T-ADS information query request sent by the IP-SM-GW, the method further includes:

After the HSS determines that the terminal has no registration status in the IMS or the CS, it determines to select the IMS domain.

The embodiment of the present invention also provides a method for improving the delivery accuracy of an IP short message, the method comprising:

The IP-SM-GW sends a T-ADS information query request to the HSS;

The IP-SM-GW receives the domain selection information returned by the HSS. The domain selection information is determined by the HSS based on the registration time stamp of the terminal in the MME and the SGSN after the terminal has been registered in the IMS and the CS. Judgment income.

In an embodiment of the present invention, the domain selection information is determined by the HSS according to the registration status of the terminal in the IMS or CS after the HSS determines that the terminal has a registration status in the IMS or CS.

In an embodiment of the present invention, the domain selection information is determined after the HSS determines that the terminal has no registration status in the IMS or the CS.

FIG. 2 is a flowchart of the implementation of a method for improving the delivery accuracy of an IP short message according to another embodiment of the present invention. As shown in FIG. 2 , the method includes:

Step 201: the HSS receives the T-ADS information query request sent by the IP-SM-GW;

Here, the IP-SM-GW is the key network element for implementing the IP short message service. Currently, the Sh interface is supported between the IP-SM-GW and the HSS. The IP-SM-GW can use this interface to send (User- Data-Request, UDR) command to request T-ADS information. The Sh interface functions will mainly include:

1) The Sh interface supports the registration and cancellation of the IP-SM-GW, supports updating, downloading and subscription of user data, and supports pushing user status update information to the IP-SM-GW.

2) The Sh interface supports the IP-SM-GW to query the T-ADS information to the converged HSS.

Step 202: The HSS judges the registration status of the terminal in the IMS and the CS. If the terminal has the registration status in the IMS and the CS, then execute step 203; if the terminal has the registration status in the IMS or the CS, execute step 204; If there is no registration status in the IMS or CS, step 205 is executed;

Step 203: Determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN, and then perform step 206;

Here, if the terminal is registered in both the IMS and the CS, the HSS queries the MME and the SGSN for the terminal's registration timestamp to enhance the accuracy of domain selection; if the terminal has recently registered in the SGSN, it is determined to select the CS domain , this case corresponds to the VoLTE single/dual standby terminal running under the 2G/3G network; if the terminal has recently registered with the MME, it is judged whether the MME supports the VoLTE service, and if so, it is judged to select the IMS domain. The situation corresponds to the VoLTE single/dual standby terminal running on the VoLTE network; otherwise, it is determined to select the CS domain, and this situation corresponds to the VoLTE single/dual standby terminal running on the CSFB network.

Step 204: Determine the domain selection information according to the registration state of the terminal in the IMS or CS, and then execute Step 206;

Here, if the terminal is registered in the IMS, it is determined to select the IMS domain; if the terminal is registered in the CS, it is determined to select the CS domain.

Step 205: it is determined to select the IMS domain, and then step 206 is executed;

Here, if the terminal has no registration status in either the IMS or the CS, it is determined to select the IMS domain.

Step 206: The HSS returns the domain selection information to the IP-SM-GW.

In the subsequent process, the IP-SM-GW sends a short message to the terminal according to the domain selection information returned by the HSS. If the IMS domain is selected, the IP-SM-GW sends a short message to the terminal through the CSCF; if the CS domain is selected domain, the IP-SM-GW sends a short message to the terminal through the VMSC.

The method of the present invention is described below in conjunction with a specific application scenario. As shown in FIG. 3 , the method includes:

Step 301: SMSC sends a short message to IP-SM-GW;

Step 302: the IP-SM-GW sends a T-ADS information query request to the HSS;

Step 303: The HSS judges the registration status of the terminal in the IMS and the CS. If the terminal has a registration status in the IMS or the CS, execute step 304a; if the terminal has a registration status in the IMS and the CS, execute step 304b; If there is no registration status in the IMS or CS, step 304c is executed;

Step 304a: Determine domain selection information according to the registration state of the terminal in the IMS or CS;

Step 304b: Determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN;

Step 304c: determine to select the IMS domain;

Step 305: the HSS returns domain selection information to the IP-SM-GW;

Step 306: If the domain is IMS, the IP-SM-GW sends a short message to the UE through the CSCF.

Specifically, the IP-SM-GW sends the short message to the S-CSCF, and forwards the short message to the P-CSCF via the S-CSCF, and the P-CSCF sends the short message to the terminal (UE).

Step 307: If CS is selected for the domain, the IP-SM-GW sends a short message to the UE through the VMSC.

Specifically, the IP-SM-GW sends the short message to the VMSC, and forwards the short message to the terminal (UE) via the VMSC.

The embodiment of the present invention also provides a device for improving the delivery accuracy of an IP short message. The device is the HSS described in the text. As shown in FIG. 4 , the HSS 40 includes: a receiving module 401, a domain determining module 402, and a sending module 402. Module 403; wherein,

The receiving module 401 is configured to receive a T-ADS information query request sent by the IP-SM-GW;

The domain determination module 402 is configured to determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN after determining that the terminal has a registration status in the IMS and the CS;

Here, the domain determination module 402 inquires the MME and the SGSN for the registration timestamp of the terminal after determining that the terminal is registered in both the IMS and the CS, so as to enhance the accuracy of domain selection; specifically, if the terminal has recently registered in the SGSN , then it is determined to select the CS domain. In this case, the VoLTE single/dual standby terminal is running under the 2G/3G network; if the terminal has recently registered with the MME, it is determined whether the MME supports the VoLTE service, and if so, the determination is made. Select the IMS domain, this case corresponds to the VoLTE single/dual standby terminal running on the VoLTE network; otherwise it is determined to select the CS domain, this situation corresponds to the VoLTE single/dual standby terminal running on the CSFB network.

The sending module 403 is configured to return the domain selection information to the IP-SM-GW.

The embodiment of the present invention adopts a standard domain selection scheme to replace the existing IP short message domain selection strategy, and the adopted domain selection strategy is flexible, which can reduce the short message delivery delay caused by inaccurate domain selection, and at the same time improve the IP short message Delivery accuracy, improve user experience.

In an embodiment of the present invention, after the receiving module 401 receives the T-ADS information query request sent by the IP-SM-GW,

The domain determining module 402 is further configured to determine domain selection information according to the registration state of the terminal in the IMS or CS after determining that the terminal has a registration state in the IMS or CS.

In an embodiment of the present invention, after the receiving module 401 receives the T-ADS information query request sent by the IP-SM-GW,

The domain determining module 402 is further configured to determine that the IMS domain is selected after the terminal has no registration status in the IMS or the CS.

An embodiment of the present invention further provides a device for improving the delivery accuracy of an IP short message. The device is the IP-SM-GW described in the text. As shown in FIG. 5 , the IP-SM-GW 50 includes: a sending module 501 and receiving module 502; wherein,

The sending module 501 is configured to send a T-ADS information query request to the HSS;

The receiving module 502 is configured to receive the domain selection information returned by the HSS; the domain selection information is determined by the HSS after the terminal has a registration status in the IMS and the CS, according to the information of the terminal in the MME and the SGSN. The registration timestamp is determined.

The embodiment of the present invention also provides a system for improving the delivery accuracy of an IP short message. The system includes the HSS and the IP-SM-GW described above, and also includes the MME, the SGSN, and the like.

Here, the IP-SM-GW is the key network element for implementing the IP short message service. Currently, the Sh interface is supported between the IP-SM-GW and the HSS. The IP-SM-GW can use this interface to send (User- Data-Request, UDR) command to request T-ADS information. The Sh interface functions will mainly include:

1) The Sh interface supports the registration and cancellation of the IP-SM-GW, supports updating, downloading and subscription of user data, and supports pushing user status update information to the IP-SM-GW.

2) The Sh interface supports the IP-SM-GW to query the T-ADS information to the converged HSS.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (8)

1. a method that improves IP short message delivery accuracy, is characterized in that, this method comprises: The HSS receives the T-ADS information query request sent by the IP-SM-GW; After the HSS determines that the terminal is registered in both the IMS and the CS, it determines the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN; or after determining that the terminal has no registration status in the IMS or CS, it determines to select the IMS domain. ; The HSS returns domain selection information to the IP-SM-GW. 2. The method according to claim 1, wherein after the HSS receives the T-ADS information query request sent by the IP-SM-GW, the method further comprises: After the HSS determines that the terminal has a registration state in the IMS or CS, it determines the domain selection information according to the registration state of the terminal in the IMS or CS. 3. The method according to claim 1, wherein the HSS determines the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN, comprising: The HSS queries the MME and the SGSN for the registration timestamp of the terminal, and if the terminal has recently registered in the SGSN, it is determined to select the CS domain; if the terminal has recently been registered in the MME, it is determined whether the MME supports the VoLTE service, If supported, it is decided to select the IMS domain; otherwise, it is decided to select the CS domain. 4. a method for improving the delivery accuracy of IP short message, is characterized in that, this method comprises: The IP-SM-GW sends a T-ADS information query request to the HSS; The IP-SM-GW receives the domain selection information returned by the HSS; the domain selection information is determined by the HSS after the terminal is registered in both the IMS and the CS, according to the registration timestamp of the terminal in the MME and the SGSN. or the domain selection information is to select the IMS domain, which is determined after the HSS determines that the terminal has no registration status in both the IMS and the CS. 5. a kind of equipment that improves IP short message delivery accuracy, this equipment is the HSS described in any one of claim 1-4, it is characterized in that, described HSS comprises: receiving module, domain judging module and sending module; in, The receiving module is configured to receive the T-ADS information query request sent by the IP-SM-GW; The domain determination module is used to determine the domain selection information according to the registration timestamp of the terminal in the MME and the SGSN after the terminal has a registration status in the IMS and the CS; or is used to determine that the terminal has no registration status in the IMS or the CS. After the registration status, it is determined to select the IMS domain; The sending module is configured to return the domain selection information to the IP-SM-GW. 6. The device according to claim 5, wherein after the receiving module receives the T-ADS information query request sent by the IP-SM-GW, The domain determination module is further configured to determine domain selection information according to the registration state of the terminal in the IMS or CS after determining that the terminal has a registration state in the IMS or CS. 7. A device for improving the delivery accuracy of IP short messages, the device is the IP-SM-GW according to any one of claims 1-4, wherein the IP-SM-GW comprises: a sending module and the receiving module; where, The sending module is used to send a T-ADS information query request to the HSS; The receiving module is configured to receive the domain selection information returned by the HSS; the domain selection information is determined by the HSS after the terminal has a registration status in the IMS and the CS, and is based on the registration of the terminal in the MME and the SGSN. Timestamp judgment. 8. A system for improving the delivery accuracy of IP short messages, characterized in that the system comprises: the HSS described in any one of claims 5-6, the IP-SM-GW described in claim 7, the MME and the SGSN.