WO2016074452A1

WO2016074452A1 - Paging method, system, related device and computer storage medium

Info

Publication number: WO2016074452A1
Application number: PCT/CN2015/078446
Authority: WO
Inventors: 高音; 谢峰
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-11-10
Filing date: 2015-05-07
Publication date: 2016-05-19
Also published as: CN105657829A

Abstract

Disclosed is a paging method applied to a core network side, the method comprising: obtaining a double connection gateway (DC GW) related information; issuing a paging message according to the DC GW related information. Further disclosed in the present invention are a core network device, DC GW, paging system and computer storage medium.

Description

Paging method, system, related equipment and computer storage medium

Technical field

The present invention relates to the field of wireless communications, and in particular, to a paging method, system, related device, and computer storage medium.

Background technique

FIG. 1 is a schematic diagram of an overall architecture of a Long Term Evolution (LTE) system in the prior art. As shown in FIG. 1, the LTE system includes: a Mobility Management Entity (MME), a Serving GateWay (SGW), a user equipment or a UE (User Equipment), and a base station (eNB, eNodeB). The eNB and the UE are UU interfaces, the eNB and the MME are S1-MME interfaces, the eNB and the SGW are S1-U interfaces, and the eNBs are X2-U and X2-C interfaces; here, S1- The MME interface is the S1 interface of the control plane; the X2-U interface is the X2 interface of the user plane, and the X2-C interface is the X2 interface of the control plane.

In the LTE system, the protocol stack of the S1-MME interface is divided into the following protocol layers from the bottom to the top: L1 protocol, L2 protocol, Internet Protocol (IP), and Stream Control Transmission Protocol (SCTP). ), S1 application protocol (S1-AP, S1-Application Protocol). In the LTE system, the protocol stack of the S1-U interface is divided into the following protocol layers from the bottom to the top: L1 protocol, L2 protocol, user data protocol/Internet protocol (UDP/IP), GPRS tunneling protocol-user plane (GTP) -U, GPRS Tunneling Protocol-User plane).

At present, due to the lack of spectrum resources and the surge of mobile users' large-traffic services, in order to increase user throughput and enhance mobile performance, the demand for hotspot coverage using high-frequency points such as 3.5 GHz is becoming increasingly apparent, and low-power nodes are becoming new. Application scenario. However, due to the high frequency point signal attenuation is relatively strong, and the low power new cell coverage is relatively small, and present Some cells do not share sites. Therefore, if users move between these new cells or move between new cells and existing cells, it will cause frequent handover procedures, so that user information is frequently transmitted between base stations. The core network caused a large signaling impact, which in turn prevented the introduction of a large number of small cell base stations on the wireless side. Therefore, a technical solution for dual connectivity has been proposed.

2 is a schematic diagram of an overall architecture of a small cell base station system. As shown in FIG. 2, the small cell base station system includes: an MME, an SGW, a UE, and an eNB. The UE and the eNB are UU interfaces, the MeNB and the MME are S1-MME interfaces, the MeNB, the SeNB and the SGW are S1-U interfaces, and the eNBs are Xn interfaces. In the small cell base station system, the user data may be delivered from the core network to the user through the master eNB (MeNB, Master eNB), or may be delivered from the core network to the user through the slave eNB (SeNB, Secondary eNB). After the user accesses the MeNB, the dual connection can be implemented by adding, modifying, or deleting the SeNB.

At the same time, in order to reduce the impact of the handover signaling on the core network in the SeNB under the dual connectivity architecture, a dual connectivity gateway (DC GW, Dual Connectivity GateWay) may be introduced, which may be a new network node. It may also be located in the MeNB or in the existing home base station gateway (HeNB GW). In the dual-link implementation scenario of the home base station (HeNB) deployment, the HeNB can also serve as the MeNB/SeNB. Therefore, there is a scenario in which the HeNB GW is deployed.

In the small base station system shown in FIG. 2, since the concept of the MeNB and the SeNB is introduced, the concept of the DC GW is also introduced, so how to implement paging optimization in the core network is an urgent problem to be solved.

Summary of the invention

In order to solve the existing technical problems, the embodiments of the present invention provide a paging method, a system related device, and a computer storage medium.

The embodiment of the invention provides a paging method, which is applied to the core network side, and includes:

Obtain information about the DC GW;

The paging message is sent according to the information about the DC GW.

In the foregoing solution, the acquiring information about the DC GW is:

The related information of the DC GW is obtained through the S1 interface.

In the above solution, when the paging message is sent according to the information about the DC GW, the method further includes:

The paging message is sent according to the tracking area identifier (TAI) and the related information of the DC GW.

In the above solution, the sending of the paging message according to the tracking area identifier TAI list and the related information of the DC GW includes:

Sending the paging message to the DC GW to which the base station where the UE in the TAI list is located; or sending the paging message to the DC GW connected to the base station where the UE in the TAI list is located and the UE in the TAI list range Other base stations where it is located.

The embodiment of the present invention further provides a paging method, which is applied to the DC GW side, and includes:

Receiving a paging message;

Sending the paging message to the base station of its own subordinate.

In the foregoing solution, before the sending the paging message to the base station of the subordinate, the method further includes:

Obtaining information of the base station of the subordinate;

Correspondingly, the paging message is sent to the base station of the subordinate according to the information of the subordinate base station.

In the foregoing solution, when the paging message is a paging for a local IP access (LIPA, Local IP Access) or a selected IP traffic offload (Local Network) service (SIPTO@LN) And sending the paging message to the base station of the subordinate, as follows:

The paging message is sent to the base station where the LIPA or SIPTO@LN service co-located local gateway L-GW is located according to the address information of the L-GW of the LIPA or the SIPTO@LN service.

The embodiment of the invention further provides a paging method, including:

The core network obtains information about the DC GW; and sends a paging message according to the related information of the DC GW;

After receiving the paging message, the DC GW sends the paging message to the base station of its own subordinate.

In the foregoing solution, the acquiring information about the DC GW is:

The core network acquires related information of the DC GW through an S1 interface.

The core network sends a paging message according to the TAI list and related information of the DC GW.

Sending, by the core network, a paging message to a DC GW to which the base station where the UE in the TAI list is located; or the core network sending the paging message to the DC connected to the base station where the UE in the TAI list is located Other base stations where the UEs in the range of GW and TAI list are located.

In the foregoing solution, before the sending the paging message to the base station of the subordinate, the method further includes: acquiring information of the base station of the subordinate;

In the above solution, when the paging message is a paging for the LIPA or the SIPTO@LN service, the paging message is sent to the base station of the subordinate, which is:

The paging message is sent to the base station where the LIPA or the SIPTO@LN service L-GW is located according to the address information of the L-GW of the LIPA or the SIPTO@LN service.

An embodiment of the present invention further provides a core network device, including: an acquiring unit and a sending unit; among them,

The acquiring unit is configured to acquire related information of the DC GW;

The sending unit is configured to send a paging message according to related information of the DC GW.

In the above solution, the sending unit is configured to send a paging message according to the TAI list and related information of the DC GW.

In the foregoing solution, the sending unit is configured to: send a paging message to a DC GW to which the base station where the UE in the TAI list is located; or send the paging message to the UE in the TAI list range. The DC GW to which the base station is connected and other base stations in which the UEs in the TAI list range are located.

The embodiment of the present invention further provides a DC GW, including: a receiving unit and a sending unit;

The receiving unit is configured to receive a paging message;

The sending unit is configured to deliver the paging message to a base station of a DC GW that is located by itself.

In the foregoing solution, the DC GW further includes: an information acquiring unit configured to be information of a base station of a DC GW that is located by itself;

Correspondingly, the sending unit sends the paging message to the base station of the DC GW under its own location according to the information of the subordinate base station.

In the above solution, the sending unit is configured to: when the paging message is a paging for LIPA or SIPTO@LN service, according to the address information of the L-GW of the LIPA or SIPTO@LN service, The paging message is sent to the base station where the LIPA or SIPTO@LN service is connected to the L-GW.

The embodiment of the invention further provides a paging system, comprising: a core network device and a DC GW; wherein

The core network device is configured to acquire related information of the DC GW, and send the paging message according to the related information of the DC GW;

The DC GW is configured to send the paging message to a base station of its own after receiving the paging message.

In the above solution, the core network device is configured to send a paging message according to the TAI list and related information of the DC GW.

In the foregoing solution, the core network device is configured to: send a paging message to a DC GW to which the base station where the UE in the TAI list is located; or send the paging message to the UE in the TAI list range. The DC GW to which the base station is connected and other base stations in which the UEs in the TAI list range are located.

In the foregoing solution, the DC GW is further configured to acquire information of a base station that is subordinate to the base station, and send the paging message to the base station of the subordinate base station according to the information of the subordinate base station.

In the above solution, the DC GW is configured to: when the paging message is a paging for the LIPA or SIPTO@LN service, according to the address information of the L-GW of the LIPA or SIPTO@LN service, The paging message is sent to the base station where the LIPA or SIPTO@LN service is connected to the L-GW.

The embodiment of the present invention further provides a computer storage medium, the computer storage medium comprising a set of instructions, when executing the instruction, causing at least one processor to execute the paging method on the core network side, or executing the DC GW Side paging method.

The paging method, the system, the core network device, the DC GW, and the computer storage medium provided by the embodiment of the present invention, the core network acquires related information of the DC GW, and sends a paging message according to the related information of the DC GW; After receiving the paging message, the DC GW sends the paging message to the base station of the subordinate, so that the paging of the UE can be optimized, thereby improving network performance.

DRAWINGS

In the drawings, which are not necessarily to scale, the Like reference numerals with different letter suffixes may indicate different examples of similar components. The drawings generally illustrate the various embodiments discussed herein by way of example and not limitation.

1 is a schematic diagram of an LTE system architecture;

2 is a schematic diagram of a small cell base station system architecture;

FIG. 3 is a schematic flowchart of a paging method according to Embodiment 1 of the present invention; FIG.

4 is a schematic flowchart of a paging method according to Embodiment 2 of the present invention;

FIG. 5 is a schematic flowchart of a paging method according to Embodiment 3 of the present invention; FIG.

6 is a schematic flowchart of a paging method according to Embodiment 4 of the present invention;

7 is a schematic flowchart of a paging method according to Embodiment 5 of the present invention;

8 is a schematic structural diagram of a device of a six core network according to an embodiment of the present invention;

9 is a schematic structural diagram of a DC GW according to Embodiment 6 of the present invention;

FIG. 10 is a schematic structural diagram of a paging system according to Embodiment 6 of the present invention.

detailed description

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

In the existing LTE system, in order to implement the LIPA/SIPTO@LN function, in the scenario of setting up a local gateway (L-GW), the base station where the L-GW is located (which may be a macro base station or a HeNB) is required. The IP address of the local L-GW is reported to the core network through the UE-specific message. The reason is that the packet data gateway (PDN GW, Packet Data Network GateWay) in the LIPA/SIPTO service is selected by using the base station where the L-GW is located. The IP address of the L-GW is provided instead of being queried by the Domain Name System (DNS). Therefore, the base station where the L-GW is located needs to carry the IP address of the LIPA/SIPTO service L-GW in the INITIAL UE MESSAGE and UPLINK NAS TRANSPORT messages; the core network can be based on the L-GW. The IP address information is used to implement paging optimization, so that the paging message is sent only to the base station where the L-GW is located.

In the dual-connected network architecture, since the concepts of MeNB, SeNB, and DC GW are introduced, how to implement paging optimization in the core network is a problem that needs to be solved.

The solution of the embodiment of the present invention can be applied to an application scenario of a dual connectivity network architecture.

Embodiment 1

The embodiment provides a paging method, which is applied to the core network side, and includes:

Obtain information about the DC GW;

The paging message is sent according to the information about the DC GW.

The information about obtaining the DC GW is:

The related information of the DC GW is obtained through the S1 interface.

Here, the core network refers to a core network device, such as an MME.

The message carrying the DC GW related information may be a public S1 interface message, or may be a UE-specific S1 interface message; where the public S1 interface message may adopt one or more of the following: an S1 establishment request message and a base station configuration update message; The UE-specific S1 interface message may adopt one or more of the following: an INITIAL UE MESSAGE message and an UPLINK NAS TRANSPORT message. In actual application, the message delivered by the S1 interface is not limited to the S1 interface message listed above.

The method may further include: performing, according to the TAI list and the related information of the DC GW, the paging message to be sent according to the related information of the DC GW;

Specifically, the paging message is sent to the DC GW to which the base station where the UE in the TAI list is located; or the paging message is sent to the DC GW and the TAI list range to which the base station where the UE in the TAI list is located Other base stations where the UE is located.

The related information of the DC GW may include DC GW identification information and the like.

An embodiment of the present invention provides another paging method, which is applied to the DC GW side, and includes:

Receiving a paging message;

Sending the paging message to the base station of its own subordinate.

In practical applications, the subordinate base station may be an SeNB.

Before the paging message is sent to the base station of the subordinate, the method may further include: acquiring information of the subordinate base station;

The information about the base station of the subordinate may be base station related configuration information such as a base station ID.

When the paging message is a paging for the LIPA/SIPTO@LN service, the paging message is sent to the base station of the subordinate, which is:

The paging message is sent to the base station where the LIPA/SIPTO@LN service setup L-GW is located according to the address information of the L-GW of the LIPA/SIPTO@LN service.

Here, in actual application, the base station where the LIPA/SIPTO@LN service setup L-GW is located may be an SeNB. The setting of the L-GW means that the gateway (GW, GateWay) is set together with the base station.

Another paging method in this embodiment, as shown in FIG. 3, includes the following steps:

Step 301: The core network acquires related information of the DC GW, and sends a paging message according to the related information of the DC GW.

Here, the core network refers to a core network device, such as an MME.

The information about obtaining the DC GW is:

The method may further include: sending, by the core network, a paging message according to the TAI list and the related information of the DC GW, when the paging message is sent according to the related information of the DC GW;

Specifically, the core network sends a paging message to a DC GW to which the base station where the UE in the TAI list is located; or the core network sends a paging message to the base station where the UE in the TAI list is located. The connected DC GW and other base stations where the UE within the TAI list is located.

Step 302: After receiving the paging message, the DC GW sends the paging message to the base station of its own subordinate.

Here, in actual application, the base station of the own subordinate may be an SeNB.

Before performing the step, the method may further include: acquiring, by the DC GW, information of a base station that is subordinate thereto;

The DC GW sends the paging message to the base station where the LIPA/SIPTO@LN service setup L-GW is located according to the address information of the L-GW of the LIPA/SIPTO@LN service.

Here, in actual application, the base station where the LIPA/SIPTO@LN service setup L-GW is located may be an SeNB. The setting of the L-GW means that the GW and the base station are set together.

According to the paging method provided by the embodiment of the present invention, the core network acquires related information of the DC GW, and sends a paging message according to the related information of the DC GW; after the DC GW receives the paging message, Sending the paging message to the base station of its own subordinate, so that the UE can be implemented. Optimization of paging, which helps to improve network performance.

In addition, when the paging message is a paging of the LIPA/SIPTO@LN service, the DC GW sends the paging message to the address information of the L-GW of the LIPA/SIPTO@LN service. The LIPA/SIPTO@LN service is combined with the SeNB where the L-GW is located. In this way, the paging range can be further optimized, thereby further improving the network performance.

Embodiment 2

The application scenario of this embodiment is as follows: a DC GW is deployed in a small base station environment; and the DC GW is an independent network element, and an S1 interface exists between the DC GW and the MME.

The paging method of this embodiment, as shown in FIG. 4, includes the following steps:

Step 401: The SeNB initiates an S1 interface setup request to the DC GW.

Here, the S1 interface setup request carries information of the SeNB; the information of the SeNB may include SeNB related configuration information such as the SeNB ID.

Step 402: The DC GW sends an S1 interface setup response to the SeNB, and then step 403 is performed;

Here, steps 401-402 are processes for establishing an interface between the SeNB and the DC GW, and can be implemented by reusing the existing S1 interface establishment process.

The S1 interface setup response includes DC GW related information, where the DC GW related information may include DC GW identification information, such as a DC GW identity (ID, IDentity).

Step 403: The DC GW saves the information of the SeNB to which it is connected, and then performs step 404;

Here, the information of the connected SeNB may be SeNB related configuration information such as the SeNB ID.

Step 404: The MME obtains DC GW related information by using an S1 interface between the GW and the DC GW.

Here, the message carrying the DC GW related information delivered by the S1 interface may be a public S1 interface message or a UE-specific S1 interface message.

The public S1 interface message may adopt one or more of the following: an S1 setup request message and a base station configuration update message; the UE-specific S1 interface message may adopt one or more of the following: an INITIAL UE MESSAGE message and an UPLINK NAS TRANSPORT message.

In actual application, the message delivered by the S1 interface is not limited to the S1 interface message listed above.

Step 405: The MME saves the DC GW related information that it is connected to, and then performs step 406;

Step 406: When the MME initiates the UE paging message, the MME sends a paging message to the DC GW.

Here, the MME may perform the paging message transmission according to the saved DC GW related information in addition to the TAI list; in other words, the MME sends the paging message to the base station where the UE in the TAI list range is located. The DC GW, or the MME, sends a paging message to the DC GW to which the base station where the UE in the TAI list is located and to other base stations where the UE in the TAI list range is located.

The paging message contains DC GW related information.

Step 407: The DC GW sends the paging message to the SeNB to which it is connected.

Here, when the method of the embodiment is directed to the paging situation of the LIPA/SIPTO@LN service, the DC GW can further optimize the paging range, thereby having a significant beneficial effect. For example, when the L-GW of the LIPA/SIPTO@LN service of the UE is located in the SeNB, the MME can page the UE in the DC GW range by the method in this embodiment, and the DC GW can be based on the LIPA/SIPTO. The L-GW address information of the @LN service further optimizes the paging range, that is, the paging message is sent only for the SeNB where the L-GW of the LIPA/SIPTO@LN service is set up.

Embodiment 3

The application scenario of this embodiment is as follows: The application scenario of the embodiment is: a DC GW is deployed in a small base station environment; and the control plane signaling of the S1 interface related to the UE can exist only between the MeNB and the MME.

The paging method of this embodiment, as shown in FIG. 5, includes the following steps:

Step 501: The SeNB initiates an S1 interface setup request to the DC GW.

Step 502: The DC GW sends an S1 interface setup response to the SeNB, and then step 503 is performed;

Here, steps 501-502 are processes for establishing an interface between the SeNB and the DC GW, and can be implemented by reusing the existing S1 interface establishment process.

The S1 interface setup response includes DC GW related information; wherein the DC GW related information may include DC GW identification information, such as a DC GW ID.

After the step 502 is completed, the DC GW saves the information of the SeNB to which it is connected. The information of the connected SeNB may be SeNB related configuration information such as the SeNB ID.

Step 503: After receiving the S1 interface setup response, the SeNB sends DC GW related information to the MeNB.

Here, the existing X2 interface establishment process may be utilized, or the dual connectivity SeNB may be used to add a flow message to enable the SeNB to send DC GW related information to the MeNB.

Step 504: The MeNB saves the mapping information between the SeNB and the DC GW according to the received DC GW related information, and then performs step 505;

Step 505: The MME obtains DC GW related information by using an S1 interface between the MME and the MeNB.

Step 506: The MME saves the DC GW related information that it is connected to, and then performs step 507;

Step 507: When the MME initiates a UE paging message, the MME sends a paging cancellation to the MeNB. interest;

Here, the MME may perform paging message delivery according to the saved DC GW related information according to the TAI list; for example, send the paging message to the MeNB according to the DC GW related information.

The paging message sent to the MeNB contains DC GW related information.

Step 508: After receiving the paging message, the MeNB forwards the paging message to the corresponding DC GW.

Step 509: The DC GW sends the paging message to the SeNB to which it is connected.

Embodiment 4

The application scenario of this embodiment is as follows: The application scenario in this embodiment is: a DC GW is deployed in a small base station environment; a DC GW is located in the MeNB, and a logical function entity of one or more DC GWs can be integrated on the MeNB.

The paging method of this embodiment, as shown in FIG. 6, includes the following steps:

Step 601: The SeNB initiates an interface establishment request to the MeNB.

Here, the interface establishment request carries information of the SeNB; the information of the SeNB may include SeNB related configuration information such as the SeNB ID.

Step 602: The MeNB sends an interface setup response to the SeNB, and then step 603 is performed;

Here, the steps 601-602 are the process of establishing an interface between the SeNB and the MeNB, and can be implemented by reusing the existing S1 interface establishment process or the X2 interface establishment process.

The interface setup response includes DC GW related information; wherein the DC GW related information may include DC GW identification information, such as a DC GW ID.

Step 603: The MeNB saves the mapping information between the SeNB and the DC GW, and then performs step 604;

Here, the mapping information includes: information of the SeNB and DC GW related information;

Specifically, the DC GW located in the MeNB saves information of the SeNB to which it is connected, thereby forming mapping information;

The information of the SeNB may include SeNB related configuration information such as the SeNB ID; and the DC GW related information in the mapping information may include DC GW identification information, such as a DC GW ID.

Step 604: The MME obtains DC GW related information by using an S1 interface between the MME and the MeNB.

Step 605: The MME saves the DC GW related information of the connection and the MeNB information of the DC GW, and then performs step 606;

Here, the MeNB information may be a MeNB ID or the like.

Step 606: When the MME initiates the UE paging message, the MME sends a paging message to the MeNB.

The paging message sent to the MeNB contains DC GW related information.

Step 607: After receiving the paging message, the MeNB sends a paging message to the corresponding DC GW. Connected SeNB.

Embodiment 5

The application scenario of this embodiment is as follows: The application scenario in this embodiment is: a DC GW is deployed in a small base station environment; a DC GW is located in a HeNB GW, and a logical function entity of one or more DC GWs can be integrated on the HeNB GW.

The paging method of this embodiment, as shown in FIG. 7, includes the following steps:

Step 701: The SeNB initiates an S1 interface setup request to the HeNB GW.

Step 702: The HeNB GW sends an S1 interface setup response to the SeNB, and then step 703 is performed;

Here, steps 701-702 are processes for establishing an interface between the SeNB and the HeNB GW, and can be implemented by reusing the existing S1 interface establishment process.

Step 703: The HeNB GW saves the mapping information between the SeNB and the DC GW, and then performs step 704;

Specifically, the DC GW located at the HeNB GW saves information of the SeNB to which it is connected, thereby forming mapping information;

Step 704: The MME obtains DC GW related information by using an S1 interface between the MME and the HeNB GW.

Step 705: The MME saves the DC GW related information of the connection and the MeNB information of the DC GW, and then performs step 706;

Here, the MeNB information may be a MeNB ID or the like.

Step 706: When the MME initiates the UE paging message, the MME sends a paging message to the HeNB GW.

Here, the MME may send a paging message according to the saved DC GW related information according to the TAI list; for example, the paging message is sent to the HeNB GW according to the DC GW related information.

The paging message sent to the HeNB GW contains DC GW related information.

Step 707: After receiving the paging message, the HeNB GW sends the paging message to the SeNB to which the corresponding DC GW is connected.

Specifically, the HeNB GW sends a paging message to the SeNB to which the corresponding DC GW is connected according to the saved mapping information of the SeNB and the DC GW.

Here, when the method of the present embodiment is directed to the paging situation of the LIPA/SIPTO@LN service, the HeNB GW (DC GW) can further optimize the paging range, thereby having a significant advantageous effect. For example, when the L-GW of the LIPA/SIPTO@LN service of the UE is located in the SeNB, the MME can page the UE in the DC GW range by the method in this embodiment, and the DC GW can be based on the LIPA/SIPTO. The L-GW address information of the @LN service further optimizes the paging range, that is, the paging message is sent only for the SeNB where the L-GW of the LIPA/SIPTO@LN service is set up.

Embodiment 6

The embodiment provides a core network device, as shown in FIG. 8 , the device includes: an obtaining unit 81 and a sending unit 82;

The obtaining unit 81 is configured to acquire related information of the DC GW;

The sending unit 82 is configured to send a paging message according to related information of the DC GW.

The acquiring unit 81 is specifically configured to acquire related information of the DC GW through an S1 interface.

The core network device may be an MME or the like.

The sending unit 82 is configured to send a paging message according to the TAI list and related information of the DC GW;

Specifically, the sending unit 82 sends a paging message to the DC GW connected to the base station where the UE in the TAI list is located; or the sending unit 82 sends the paging message to the TAI. The DC GW to which the base station where the UE is located in the list range and other base stations where the UE in the TAI list range is located.

In an actual application, the obtaining unit 81 may be implemented by a receiver in a core network device; the sending unit 82 may be a central processing unit (CPU, Central Processing Unit) and a microprocessor (MCU, Micro Control) in the core network device. Unit), Digital Signal Processor (DSP) or Field-Programmable Gate Array (FPGA) are implemented in combination with a transmitter.

The embodiment also provides a DC GW. As shown in FIG. 9, the DC GW includes: a receiving unit 91 and a sending unit 92;

The receiving unit 91 is configured to receive a paging message;

The sending unit 92 is configured to deliver the paging message to a base station of the DC GW where the user is located.

In practical applications, the subordinate base station may be an SeNB.

The DC GW may further include: an information acquiring unit configured to be information of a base station of the DC GW itself;

Correspondingly, the sending unit 92 sends the paging message to the base station of the DC GW under its own location according to the information of the subordinate base station.

The sending unit 92 is configured to, when the paging message is a paging for the LIPA/SIPTO@LN service, send the paging message according to the address information of the L-GW of the LIPA/SIPTO@LN service. It is sent to the base station where the LIPA/SIPTO@LN service is connected to the L-GW.

In actual application, the receiving unit 91 and the information acquiring unit may be in the DC GW. The receiver is implemented; the transmitting unit 92 can be implemented by a CPU, an MCU, a DSP or an FPGA in the DC GW in combination with a transmitter.

The embodiment further provides a paging system. As shown in FIG. 10, the system includes: a core network device 101 and a DC GW 102;

The core network device 101 is configured to acquire related information of the DC GW 102, and send a paging message according to the related information of the DC GW 102.

The DC GW 102 is configured to send the paging message to a base station of its own after receiving the paging message.

The core network device 101 may be an MME or the like.

The information about obtaining the DC GW is:

The core network device 102 acquires related information of the DC GW through an S1 interface.

The core network device 101 is configured to send a paging message according to the TAI list and the related information of the DC GW.

Specifically, the core network device 101 sends a paging message to the DC GW to which the base station where the UE in the TAI list is located; or the core network device 101 sends the paging message to the UE in the TAI list range. The DC GW to which the base station is located and the other base stations where the UEs in the TAI list range are located.

In actual application, the base station of the self-subordinate may be an SeNB.

The DC GW 102 is further configured to acquire information of a base station of its own subordinate; correspondingly, the root And according to the information of the subordinate base station, the paging message is sent to the base station of the subordinate.

The DC GW 102 is configured to, when the paging message is a paging for the LIPA/SIPTO@LN service, send the paging message according to the address information of the L-GW of the LIPA/SIPTO@LN service. It is sent to the base station where the LIPA/SIPTO@LN service is connected to the L-GW.

In the paging system provided by the embodiment of the present invention, the core network device 101 acquires related information of the DC GW 102, and sends a paging message according to the related information of the DC GW 102. The DC GW 102 receives the paging message. After the paging message is sent, the paging message is sent to the base station of the subordinate, so that the paging of the UE can be optimized, thereby improving the network performance.

In addition, when the paging message is a paging of the LIPA/SIPTO@LN service, the DC GW 102 sends the paging message to the address information of the L-GW of the LIPA/SIPTO@LN service. The LIPA/SIPTO@LN service is combined with the SeNB where the L-GW is located. In this way, the paging range can be further optimized, thereby further improving the network performance.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

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

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Based on this, an embodiment of the present invention further provides a computer storage medium, where the computer storage medium includes a set of instructions, when executing the instruction, causing at least one processor to execute a paging method on the core network side, or performing the foregoing The paging method on the DC GW side.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Claims

A paging method is applied to the core network side, and the method includes:

Obtaining information about the dual connectivity gateway DC GW;

The paging message is sent according to the information about the DC GW.
The method of claim 1, wherein the acquiring information about the DC GW is:

The related information of the DC GW is obtained through the S1 interface.
The method according to claim 1, wherein the method further comprises: when the paging message is sent according to the related information of the DC GW, the method further comprises:

The paging message is sent according to the tracking area identifier TAI list and the related information of the DC GW.
The method according to claim 3, wherein the sending of the paging message according to the tracking area identification TAI list and the related information of the DC GW includes:

Sending the paging message to the DC GW to which the base station where the UE in the TAI list is located; or sending the paging message to the DC GW connected to the base station where the UE in the TAI list is located and the UE in the TAI list range Other base stations where it is located.
A paging method is applied to the DC GW side, and the paging method includes:

Receiving a paging message;

Sending the paging message to the base station of its own subordinate.
The method of claim 5, wherein the method further comprises: before the sending the paging message to a base station of its own subordinate base, the method further comprising:

Obtaining information of the base station of the subordinate;

Correspondingly, the paging message is sent to the base station of the subordinate according to the information of the subordinate base station.
The method of claim 5 wherein when said paging message is for a local IP When accessing the paging of the SIPTO@LN service by the selected IP traffic of the LIPA or the local network, the paging message is sent to the base station of the subordinate, which is:

The paging message is sent to the base station where the LIPA or SIPTO@LN service co-located local gateway L-GW is located according to the address information of the L-GW of the LIPA or the SIPTO@LN service.
A paging method, the method comprising:

The core network obtains information about the DC GW; and sends a paging message according to the related information of the DC GW;

After receiving the paging message, the DC GW sends the paging message to the base station of its own subordinate.
The method according to claim 8, wherein the acquiring information about the DC GW is:

The core network acquires related information of the DC GW through an S1 interface.
The method according to claim 8, wherein the method further comprises: when the paging message is sent according to the related information of the DC GW, the method further comprises:

The core network sends a paging message according to the TAI list and related information of the DC GW.
The method according to claim 10, wherein the sending of the paging message according to the tracking area identification TAI list and the related information of the DC GW includes:

Sending, by the core network, a paging message to a DC GW to which the base station where the UE in the TAI list is located; or the core network sending the paging message to the DC connected to the base station where the UE in the TAI list is located Other base stations where the UEs in the range of GW and TAI list are located.
The method according to claim 8, wherein the method further comprises: acquiring information of the subordinate base station before the paging message is sent to the base station of the subordinate;

Correspondingly, the paging message is sent to the base station of the subordinate according to the information of the subordinate base station.
The method according to claim 8, wherein when the paging message is a paging for LIPA or SIPTO@LN service, the paging message is sent to a base station of its own subordinate, which is:

The paging message is sent to the base station where the LIPA or the SIPTO@LN service L-GW is located according to the address information of the L-GW of the LIPA or the SIPTO@LN service.
A core network device, the device includes: an acquiring unit and a sending unit; wherein

The acquiring unit is configured to acquire related information of the DC GW;

The sending unit is configured to send a paging message according to related information of the DC GW.
The device according to claim 14, wherein the sending unit is configured to perform paging message delivery according to a TAI list and related information of the DC GW.
The device according to claim 15, wherein the sending unit is configured to: send a paging message to a DC GW to which a base station in which the UE in the TAI list is located; or send a paging message to the TAI The DC GW to which the base station where the UE is located in the list range and other base stations where the UE in the TAI list range is located.
A DC GW, the DC GW includes: a receiving unit and a sending unit;

The receiving unit is configured to receive a paging message;

The sending unit is configured to deliver the paging message to a base station of a DC GW that is located by itself.
The DC GW according to claim 17, wherein the DC GW further includes: an information acquiring unit configured to be information of a base station subordinate to the DC GW;

Correspondingly, the sending unit sends the paging message to the base station of the DC GW under its own location according to the information of the subordinate base station.
The DC GW according to claim 17, wherein the transmitting unit is configured to, when the paging message is a paging for LIPA or SIPTO@LN service, according to LIPA or The SIPTO@LN service is provided with the address information of the L-GW, and the paging message is sent to the base station where the LIPA or SIPTO@LN service L-GW is located.
A paging system, the system comprising: a core network device and a DC GW; wherein

The core network device is configured to acquire related information of the DC GW, and send the paging message according to the related information of the DC GW;

The DC GW is configured to send the paging message to a base station of its own after receiving the paging message.
The system of claim 20, wherein the core network device is configured to send a paging message according to the TAI list and related information of the DC GW.
The system according to claim 21, wherein the core network device is configured to: send a paging message to a DC GW to which a base station in which the UE in the TAI list is located; or send a paging message to the TAI The DC GW to which the base station where the UE is located in the list range and other base stations where the UE in the TAI list range is located.
The system according to claim 20, wherein the DC GW is further configured to acquire information of a base station of its own subordinate; and to deliver the paging message to a base station of its own subordinate according to information of the subordinate base station. .
The system according to claim 20, wherein said DC GW is configured to set a L-GW according to LIPA or SIPTO@LN service when said paging message is a paging for LIPA or SIPTO@LN service The address information is sent to the base station where the LIPA or SIPTO@LN service L-GW is located.
A computer storage medium comprising a set of instructions that, when executed, cause at least one processor to perform the paging method of any one of claims 1 to 4, or to perform the claims The paging method according to any one of 5 to 7.