WO2015077921A1

WO2015077921A1 - Access network entity, core network device, and method therefor for acquiring related policy of ue

Info

Publication number: WO2015077921A1
Application number: PCT/CN2013/087859
Authority: WO
Inventors: 季莉; 邢平平; 邓天乐
Original assignee: 华为技术有限公司
Priority date: 2013-11-26
Filing date: 2013-11-26
Publication date: 2015-06-04
Also published as: CN104904261A; CN104904261B

Abstract

Disclosed are an access network entity, a core network device, and a method therefor for acquiring a related policy of a user equipment (UE). The method for acquiring the related policy of the UE comprises: an access network entity transmits first information to a core network device, where the first information comprises request information for acquiring a related policy of a UE; the access network entity receives second information from the core network device, where the second information is generated by the core network device on the basis of the first information, and the second information comprises policy response information; and, the access network entity makes a load transfer decision for the UE on the basis of the policy response information. By such means, the present invention allows a UE to make a load transfer decision with increased accuracy and effects enhanced user experience.

Description

Access network entity, core network device and method for acquiring related policies of UE

【技术领域】[Technical Field]

The present invention relates to the field of communications, and in particular, to an access network entity, a core network device, and a method for acquiring a related policy of a UE.

【背景技术】【Background technique】

Currently, user equipment (User Equipment, UE) through the wireless connection server, such as wireless network for the 3rd Generation Partnership Project (The 3rd Generation Partnership Project, 3GPP) network or a non-3GPP network, in which a plurality of UEs select a non-3GPP network connection network according to a policy delivered by the server, and each UE is implemented in different manners, so that although the policies sent to the UE are the same, each UE The decisions made are unpredictable. In addition, since the UE selects a non-3GPP network access point by itself, the UE selects the same non-3GPP network access point according to the signal quality of the non-3GPP network in a densely populated place, resulting in a non-3GPP network access point being quickly overloaded and the service quality is reduced. The user experience is poor.

【发明内容】 [Summary of the Invention]

In view of this, the present invention provides an access network entity, a core network device, and a method for acquiring a related policy of a UE, so as to avoid an unpredictable problem that the decision made by the UE according to the policy is unpredictable.

The first aspect provides a method for acquiring a related policy of a UE, where the access network entity is wirelessly connected to the user equipment and the core network device, respectively, the method includes: the access network entity sends the first information to the core network device, where the first information includes Obtaining request information of a related policy of the UE; the access network entity receives second information from the core network device, where the second information is generated by the core network device according to the first information, and the second information includes policy response information; The entity makes a load transfer decision on the user equipment according to the policy response information.

In conjunction with the implementation of the first aspect, in a first possible implementation manner, when the user equipment is connected, the method further includes: the access network entity receiving the attachment request information from the user equipment, where the first information is the attachment request information.

With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the access network entity receiving the second information from the core network device includes: the access network entity receiving the initial context setup request from the core network device Information, the second information is initial context establishment request information.

With the implementation of the first aspect, in a third possible implementation manner, when the user equipment performs the modify bearer, the access network entity receives the second information from the core network device, where the access network entity receives the modification from the core network device. The bearer response message is sent, and the second information is a modify bearer response message.

With the implementation of the first aspect, in a fourth possible implementation manner, when the user equipment performs the service request, the method further includes: the access network entity receiving the service request information from the user equipment, and sending the service request to the core network device The access network entity receives the initial context setup request information from the core network device; the access network entity establishes a radio bearer with the user equipment, and sends initial context setup completion information to the core network device; where the first information is the initial context setup complete information.

The second aspect provides an access network entity, where the access network entity is wirelessly connected to the user equipment and the core network device, where the access network entity includes a receiving unit, a processing unit, and a sending unit, and the sending unit sends the first to the core network device. Information, the first information includes request information for acquiring a related policy of the UE; the receiving unit receives the second information from the core network device, the second information is generated by the core network device according to the first information, and the second information includes policy response information; The unit performs load transfer decision on the user equipment according to the policy response information.

With the implementation of the second aspect, in a first possible implementation manner, when the user equipment performs the connection, the receiving unit receives the attach request information from the user equipment, and the receiving unit receives the initial context setup request information from the core network device, where The first information is attachment request information, and the second information is initial context establishment request information.

With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, when the user equipment performs the modify bearer, the receiving unit receives the modify bearer response message from the core network device, where the second information is the modified bearer. Response message.

With the implementation of the second aspect, in a third possible implementation manner, when the user equipment performs a service request, the receiving unit receives the service request information from the user equipment, and the sending unit sends the service request information to the core network device; The initial context setup request information is received from the core network device; the access network entity establishes a radio bearer with the user equipment, and the sending unit sends initial context setup completion information to the core network device; wherein the first information is initial context setup completion information.

The third aspect provides a method for acquiring a related policy of a UE, where the core network device is wirelessly connected to the user equipment by using an access network entity, where the method includes: the core network device receives the first information from the access network entity, where the first information includes obtaining The request information of the related policy of the UE; the core network device generates the second information according to the first information, and sends the second information to the access network entity, where the second information includes the policy response information, so that the access network entity according to the policy response information User equipment makes load transfer decisions.

In conjunction with the implementation of the third aspect, in a first possible implementation, the core network device includes a mobility management entity MME, a serving gateway S-GW, a packet data network gateway P-GW, or a policy and charging rule function PCRF.

With reference to the first possible implementation manner of the third aspect, in a second possible implementation manner, when the user equipment performs the connection, the first information is the attach request information, and the second information is the initial context setup request information, and the method is further The MME includes: the MME receives the attach request information from the access network entity; the MME sends the create session request information to the S-GW; the S-GW sends the create session request information to the P-GW; and the P-GW and the PCRF perform the IP connectivity access network entity. The IP-CAN session is modified; the P-GW sends the create session response information to the S-GW; the S-GW sends the create session response information to the MME; the MME sends the initial context setup request information to the access network entity; wherein the create session request information includes Obtaining request information of a related policy of the UE, and creating session response information includes policy response information.

With reference to the first possible implementation manner of the third aspect, in a third possible implementation manner, when the user equipment performs the modification of the bearer, the first information is request information for acquiring a related policy of the UE, and the second information is a modified bearer. And the method further includes: the MME receiving, from the access network entity, request information for acquiring a related policy of the UE; the MME sending the modify bearer request information to the S-GW; and the S-GW transmitting the modify bearer request information to the P-GW; Performing IP-CAN session modification with the PCRF; the P-GW sends bearer modification response information to the S-GW; the S-GW sends bearer modification response information to the MME; the MME sends a modify bearer response message to the access network entity; The information includes request information for acquiring a related policy of the UE, and the bearer modification response information includes policy response information.

With reference to the first possible implementation manner of the third aspect, in a fourth possible implementation manner, when the user equipment performs a service request, the first information is initial context establishment completion information, and the second message is policy response information, and the method is The method further includes: the MME receiving the initial context setup completion information from the access network entity; the MME sending the modify bearer request information to the S-GW; the S-GW sending the modify bearer request information to the P-GW; and the P-GW and the PCRF performing the IP-CAN session Modifying; the P-GW sends the bearer modification response information to the S-GW; the S-GW sends the bearer modification response information to the MME; the MME sends the policy response information to the access network entity; wherein modifying the bearer request information includes acquiring the relevant policy of the UE The request information, the bearer modification response information includes policy response information.

The fourth aspect provides a core network device, where the core network device is wirelessly connected to the user equipment by using an access network entity, where the core network device includes an MME, and the MME receives the first information from the access network entity, where the first information includes acquiring the UE related information. Request information of the policy; the MME sends the second information generated by the core network device according to the first information to the access network entity, where the second information includes policy response information, so that the access network entity performs load transfer decision on the user equipment according to the policy response information. .

In conjunction with the implementation of the fourth aspect, in a first possible implementation manner, the core network device further includes an S-GW, a P-GW, or a PCRF.

With reference to the first possible implementation manner of the fourth aspect, in a second possible implementation manner, when the user equipment performs the connection, the first information is the attach request information, and the second information is the initial context setup request information, then the MME Receiving the attach request information from the access network entity; the MME sends the create session request information to the S-GW; the S-GW sends the create session request information to the P-GW; the P-GW and the PCRF perform the IP connectivity access network entity IP-CAN The session modification is performed; the P-GW sends the session establishment response information to the S-GW; the S-GW sends the session establishment response information to the MME; the MME sends the initial context setup request information to the access network entity, where the creation of the session request information includes acquiring the UE The request information of the related policy, the session response information includes the policy response information.

With reference to the first possible implementation manner of the fourth aspect, in a third possible implementation manner, when the user equipment performs the modification of the bearer, the first information is the request information for acquiring the related policy of the UE, and the second information is the modified bearer. In response to the message, the MME receives the request information for acquiring the relevant policy of the UE from the access network entity; the MME sends the modify bearer request information to the S-GW; the S-GW sends the modify bearer request information to the P-GW; the P-GW and the PCRF perform The IP-CAN session is modified; the P-GW sends the bearer modification response information to the S-GW; the S-GW sends the bearer modification response information to the MME; the MME sends a policy modification bearer response message to the access network entity; Obtaining request information of a related policy of the UE, and the bearer modification response information includes policy response information.

With reference to the first possible implementation manner of the fourth aspect, in a fourth possible implementation manner, when the user equipment performs a service request, the first information is initial context establishment completion information, and the second message is policy response information, The MME receives the initial context setup completion information from the access network entity; the MME sends the modify bearer request information to the S-GW; the S-GW sends the modify bearer request information to the P-GW; the P-GW and the PCRF perform the IP-CAN session modification; - The GW sends the bearer modification response information to the S-GW; the S-GW sends the bearer modification response information to the MME; the MME sends the policy response information to the access network entity; wherein the modifying the bearer request information includes acquiring the request information of the UE related policy, The bearer modification response information includes policy response information.

With the above solution, the present invention has the beneficial effects that the present invention sends the first information to the core network device through the access network entity, and receives the second information from the core network device, where the second information includes the policy response information, and the access network entity The load transfer decision of the user equipment according to the policy response information can improve the accuracy of the load transfer decision of the user equipment, prevent the decision made by the user equipment according to the policy from being unpredictable, and improve the user experience.

【附图说明】 [Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work. among them:

1 is a schematic structural diagram of a method for acquiring a related policy of a UE according to a first embodiment of the present invention;

2 is a flowchart of a method for acquiring a related policy of a UE according to a first embodiment of the present invention;

3 is a schematic block diagram showing the structure of the core network device of FIG. 1;

4 is a flowchart of a method for acquiring a related policy of a UE according to a second embodiment of the present invention;

FIG. 5 is a flowchart of a method for acquiring a related policy of a UE according to a third embodiment of the present invention; FIG.

6 is a flowchart of a method for acquiring a related policy of a UE according to a fourth embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a communication apparatus according to a first embodiment of the present invention; FIG.

8 is a schematic block diagram showing the structure of the core network device in FIG. 7;

Fig. 9 is a block diagram showing the configuration of a communication apparatus according to a fifth embodiment of the present invention.

【具体实施方式】【detailed description】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.

1-2, FIG. 1 is a schematic structural diagram of a method for acquiring a related policy of a UE according to a first embodiment of the present invention, and FIG. 2 is a flowchart of a method for acquiring a related policy of a UE according to the first embodiment of the present invention. .

Referring to FIG. 1 , the method for acquiring a related policy of a UE is implemented by using the user equipment 10, the access network entity 20, and the core network device 30, and the access network entity 20 separately and the user equipment 10 by wireless. Network connection with core network device 30, wherein access network entity 20 includes at least one entity, and when access network entity 20 includes multiple entities, messages are sent between multiple entities, for example, access network entity 20 includes entity 201 and The entity 202 is connected to the user equipment 10, and the entity 202 is connected to the entity 201 and the core network device 30 respectively. Preferably, the entity 201 is a base station, and the entity 202 is a radio access network entity control entity.

As shown in FIG. 2, the method for acquiring a related policy of a UE disclosed in this embodiment includes:

S21: The access network entity 20 sends the first information to the core network device 30, where the first information includes the request information of the related policy of the UE, where the request information of the related policy of the UE is used to indicate that the information related to the user equipment 10 is acquired. A policy request, such as a policy requesting acquisition of inter-system routing for user equipment 10.

S22: The core network device 30 generates second information according to the first information, and sends the second information to the access network entity 20, where the second information includes policy response information. The core network device 30 receives the first information from the access network entity 20. a message and generating a second message based on the first information. The policy response information carries a policy associated with the user device 10.

S23: The access network entity 20 receives the second information from the core network device 30, and performs load transfer decision on the user equipment 10 according to the policy response information. Preferably, the access network entity 20 associates the user equipment 10 with the 3GPP network according to the policy response information. The load transfer decision is made between the non-3GPP network and the non-3GPP network, that is, the access network entity 20 controls the user equipment 10 to connect to the 3GPP network according to the policy response information or the user equipment 10 is connected to the non-3GPP network, which can improve the accuracy of the load transfer decision of the user equipment 10 Sexuality and improve user experience.

The present invention further provides a method for acquiring a related policy of a UE according to the second embodiment, which is described in detail based on the method for acquiring a related policy of the UE disclosed in the first embodiment. Referring to FIG. 3, the core network device 30 disclosed in this embodiment includes a mobility management entity (Mobility). Management Entity, MME) 301, Serving Gateway (S-GW) 302, Packet Data Network Gateway (Packet Data) Network Gateway, P-GW) 303 or Policy and Charging Rules (Policy and Charging Rules) Function, PCRF) 304, when the user equipment 10 makes a connection, preferably the user equipment 10 makes a connection network. As shown in FIG. 4, the method for acquiring a related policy of a UE disclosed in this embodiment includes:

S401: The user equipment 10 sends the attach request information to the access network entity 20;

S402: The access network entity 20 receives the attach request information from the user equipment 10, and sends the attach request information to the MME 301.

S403: The MME 301 sends the create session request information to the S-GW 302.

S404: The S-GW 302 sends the create session request information to the P-GW 303.

S405: P-GW 303 and PCRF 304 perform IP connectivity access network (IP-connectivity Access) Network, IP-CAN) session modification;

S406: The P-GW 303 sends the create session response information to the S-GW 302.

S407: The S-GW 302 sends the create session response information to the MME 301.

S408: The MME 301 sends initial context establishment request information to the access network entity 20;

S409: The access network entity 20 sends the radio resource management to the user equipment 10 (Radio Resource). Control, RRC) connection reconfiguration information;

S410: The user equipment 10 sends the RRC connection reconfiguration complete information to the access network entity 20;

S411: The access network entity 20 receives the RRC connection reconfiguration complete information from the user equipment 10, and sends initial context establishment response information to the MME 301.

S412: The user equipment 10 sends direct transmission information to the access network entity 20;

S413: The access network entity 20 sends the attach complete information to the user equipment 10.

In S402, the attach request information is the first information, and the attach request information includes the request information for acquiring the related policy of the UE. After the MME 301 receives the attach request information, the process proceeds to S403.

In S403, creating session request information includes acquiring request information of a related policy of the UE.

In S405, the IP-CAN session modification performed by the P-GW 303 and the PCRF 304 includes: the P-GW 303 sends an IP-CAN Session to the PCRF 304. Modification message, IP-CAN Session The modification message includes request information for acquiring a related policy of the UE; the PCRF 304 sends an Acknowledge of IP-CAN Session to the P-GW 303. The modification message, Acknowledge of IP-CAN Session modification message includes policy response information.

In S406, the creation session response information includes policy response information.

In S408, the initial context establishment request information is second information, and the initial context establishment request information includes policy response information.

In this embodiment, when the user equipment 10 is connected, the access network entity 20 controls the user equipment 10 to connect to the 3GPP network according to the policy response information or the user equipment 10 is connected to the non-3GPP network, which can improve the accuracy of the load transfer decision of the user equipment 10. And improve the user experience.

The present invention further provides a method for acquiring a related policy of a UE according to the third embodiment, which is described in detail based on the method for acquiring a related policy of the UE disclosed in the second embodiment. When the user equipment 10 performs the modification of the bearer, as shown in FIG. 5, the method for acquiring the related policy of the UE includes:

S501: The access network entity 20 sends, to the MME 301, request information for acquiring a related policy of the UE.

S502: The MME 301 sends the modify bearer request information to the S-GW 302.

S503: The S-GW 302 sends the modify bearer request information to the P-GW 303.

S504: The P-GW 303 and the PCRF 304 perform an IP-CAN session modification.

S505: The P-GW 303 sends the bearer modification response information to the S-GW 302.

S506: The S-GW 302 sends bearer modification response information to the MME 301.

S507: The MME 301 sends a modify bearer response message to the access network entity 20, where the policy response information related to the UE is included.

In S501, the request information of the related policy of the UE is obtained as the first information, and the information may be the information about the load transfer of the specific UE. After the MME 301 receives the request information for acquiring the related policy of the UE, the process proceeds to S502.

In S502, modifying the bearer request information includes acquiring request information of a related policy of the UE.

In S504, the P-GW 303 and the PCRF 304 perform IP-CAN session modification as in S405.

In S505, the bearer modification response information includes UE-related policy response information.

In S507, the bearer response message is modified as the second information.

In this embodiment, when the user equipment 10 performs the modification of the bearer, the access network entity 20 controls the user equipment 10 to connect to the 3GPP network according to the policy response information, or the user equipment 10 is connected to the non-3GPP network, which can improve the accuracy of the load transfer decision of the user equipment 10. Sexuality and improve user experience.

The present invention further provides a method for acquiring a related policy of a UE according to the fourth embodiment, which is described in detail based on the method for acquiring a related policy of the UE disclosed in the second embodiment. When the user equipment 10 performs a service request, as shown in FIG. 6, the method for acquiring a related policy of the UE includes:

S601: The user equipment 10 sends service request information to the access network entity 20;

S602: The access network entity 20 sends the service request information to the MME 301.

S603: The MME 301 sends initial context establishment request information to the access network entity 20;

S604: The access network entity 20 and the user equipment 10 establish a radio bearer.

S605: The access network entity 20 sends initial context establishment completion information to the MME 301.

S606: The MME 301 sends the modify bearer request information to the S-GW 302.

S607: The S-GW 302 sends the modify bearer request information to the P-GW 303.

S608: P-GW 303 and PCRF 304 perform IP-CAN session modification;

S609: The P-GW 303 sends the bearer modification response information to the S-GW 302.

S610: The S-GW 302 sends bearer modification response information to the MME 301.

S611: The MME 301 sends the policy response information to the access network entity 20.

In S605, the initial context establishment completion information is first information, and the initial context establishment completion information includes request information for acquiring a related policy of the UE.

In S606, modifying the bearer request information includes acquiring request information of a related policy of the UE.

In S608, the P-GW 303 and the PCRF 304 perform the IP-CAN session modification as in S405.

In S609, the bearer modification response information includes policy response information.

In S611, the policy response information is the second information.

In this embodiment, when the user equipment 10 makes a service request, the access network entity 20 controls the user equipment 10 to connect to the 3GPP network according to the policy response information, or the user equipment 10 is connected to the non-3GPP network, which can improve the accuracy of the load transfer decision of the user equipment 10. Sexuality and improve user experience.

Referring to FIG. 7, FIG. 7 is a schematic structural diagram of a communication apparatus according to a first embodiment of the present invention. As shown in FIG. 7, the communication device disclosed in this embodiment includes a user equipment 71, an access network entity 72, and a core network device 73. The access network entity 72 is connected to the user equipment 71 and the core network device 73 by wire or wirelessly, and the access network entity 72 includes at least one entity. When the access network entity 72 includes multiple entities, multiple entities Send a message between. The access network entity 72 disclosed in this embodiment includes an entity, and the access network entity 72 is a base station or a radio access network entity control entity.

In this embodiment, the access network entity 72 includes a receiving unit 721, a processing unit 722, and a sending unit 723. The processing unit 722 is connected to the receiving unit 721 and the sending unit 723, respectively. The core network device 73 includes an MME 731, wherein the sending unit 723 of the access network entity 72 sends the first information to the MME 731, where the first information includes the request information of the related policy of the UE, and the request information of the related policy of the UE is used to indicate the acquisition and the User policy 71 related policy request. The core network device 73 generates second information according to the first information, where the second information includes policy response information, and the policy response information carries a policy related to the user equipment 71. The MME 731 sends the second information to the access network entity 72. The receiving unit 721 of the access network entity 72 receives the second information and transmits the second information to the processing unit 722. The processing unit 722 processes the user according to the policy response information of the second information. Device 71 makes a load transfer decision. Preferably, the processing unit 722 performs load transfer decision between the 3GPP network and the non-3GPP network according to the policy response information, that is, the processing unit 722 controls the user equipment 71 to connect to the 3GPP network according to the policy response information or the user equipment 71 is connected to The non-3GPP network can improve the accuracy of the user equipment 71 for load transfer decisions and improve the user experience.

The present invention also provides a communication apparatus of the second embodiment, which is described in detail based on the communication apparatus disclosed in the first embodiment. As shown in FIG. 8, the core network device 73 disclosed in this embodiment further includes: an S-GW 732, a P-GW 733, and a PCRF 734.

When the user equipment 71 makes a connection, the user equipment 71 transmits the attach request information to the access network entity 72. After the receiving unit 721 of the access network entity 72 receives the attach request information from the user equipment 71, the sending unit 723 sends an attach request to the MME 731. Information, wherein the attachment request information is the first information.

The core network device 73 generates the second information according to the first information, the MME 731 sends the create session request information to the S-GW 732, the S-GW 732 sends the create session request information to the P-GW 733, and the P-GW 733 and the PCRF 734 perform the IP-CAN session modification. The P-GW 733 sends the create session response information to the S-GW 732, the S-GW 732 sends the create session response information to the MME 733, and the MME 731 sends the initial context setup request information to the access network entity 72, wherein the initial context setup request information is the second information.

After the receiving unit 721 receives the initial context establishment request information, the processing unit 722 performs a load transfer decision on the user equipment 71 according to the policy response information of the initial context establishment request signal. The sending unit 723 sends the RRC connection reconfiguration information to the user equipment 71, and the user equipment 71 sends the RRC connection reconfiguration complete information to the access network entity 72, and the receiving unit 721 of the access network entity 20 receives the RRC connection reconfiguration from the user equipment 71. After the information, the transmitting unit 723 transmits initial context establishment response information to the MME 731. At this time, the user equipment 71 transmits the direct transmission information to the receiving unit 721 of the access network entity 72, and the transmitting unit 723 of the access network entity 72 transmits the attachment completion information to the user equipment 71.

The present invention also provides a communication apparatus of a third embodiment, which is described in detail based on the communication apparatus disclosed in the second embodiment. When the user equipment 71 performs the modification of the bearer, the sending unit 723 of the access network entity 72 sends the request information of the related policy of the UE to the MME 731, and the request information of the related policy of the UE is the first information.

The core network device 73 generates the second information according to the first information, the MME 731 sends the modify bearer request information to the S-GW 732, the S-GW 732 sends the modify bearer request information to the P-GW 733, and the P-GW 733 and the PCRF 734 perform the IP-CAN session modification. The P-GW 733 sends the bearer modification response information to the S-GW 732, the S-GW 732 sends the bearer modification response information to the MME 733, and the MME 731 sends the policy response information to the access network entity 72, where the policy response information is the second information.

After the receiving unit 721 receives the policy response information, the processing unit 722 performs a load transfer decision on the user equipment 71 according to the policy response information.

The present invention also provides a communication apparatus of a fourth embodiment, which is described in detail based on the communication apparatus disclosed in the second embodiment. When the user equipment 71 makes a service request, the user equipment 71 sends the service request information to the receiving unit 721 of the access network entity 72, and the sending unit 723 of the access network entity 72 sends the service request information to the MME 731, and the MME 731 sends the service request information to the access network entity 72. The receiving unit 721 sends the initial context setup request information, the access network entity 72 and the user equipment 71 establish a radio bearer, and the sending unit 723 sends the initial context setup completion information to the MME 731, where the initial context setup complete information is the first information.

Referring to FIG. 9, FIG. 9 is a schematic structural diagram of a communication apparatus according to a fifth embodiment of the present invention. As shown in FIG. 9, the communication device disclosed in this embodiment includes a user equipment 91, an access network entity 92, and a core network device 93. The access network entity 92 is connected to the user equipment 91 and the core network device 93 by wire or wirelessly, and the access network entity 92 includes at least one entity. When the access network entity 92 includes multiple entities, multiple entities The message is transmitted between the access network entity 92 as a base station or a radio access network entity control entity.

In the present embodiment, the access network entity 92 includes a receiver 921, a processor 922, and a transmitter 923, which are connected to the receiver 921 and the transmitter 923, respectively. The core network device 93 includes an MME 931, wherein the transmitter 923 of the access network entity 92 sends the first information to the MME 931. The first information includes the request information for acquiring the related policy of the UE, and the request information of the related policy of the UE is used to indicate the acquisition and the User policy 91 related policy request. The core network device 93 generates second information according to the first information, where the second information includes policy response information, and the policy response information carries a policy related to the user equipment 91. The MME 931 sends the second information to the access network entity 92, the receiver 921 of the access network entity 92 receives the second information, and transmits the second information to the processor 922, and the processor 922 pairs the user according to the policy response information of the second information. Device 91 makes a load transfer decision. Preferably, the processor 922 performs load transfer decision between the 3GPP network and the non-3GPP network according to the policy response information, that is, the processor 922 controls the user equipment 91 to connect to the 3GPP network according to the policy response information or the user equipment 91 is connected to The non-3GPP network can improve the accuracy of the user equipment 91 to perform load transfer decisions and improve the user experience.

Different from the prior art, the present invention sends the first information to the core network device through the access network entity, and receives the second information from the core network device, where the second information includes the policy response information, and the access network entity responds according to the policy. The information is used to perform load transfer decision on the user equipment, which can improve the accuracy of the user equipment for load transfer decision, avoid the unpredictable decision made by the user equipment according to the policy, and improve the user experience.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims

A method for obtaining a related policy of a user equipment UE, where the access network entity is wirelessly connected to the user equipment and the core network device, respectively, the method includes:

The access network entity sends first information to the core network device, where the first information includes request information for acquiring a related policy of the UE;

The access network entity receives second information from the core network device, the second information is generated by the core network device according to the first information, and the second information includes policy response information, so that The access network entity performs load transfer decision on the user equipment according to the policy response information.
The method according to claim 1, wherein when the user equipment is connected, the method further includes:

The access network entity receives the attach request information from the user equipment, where the first information is the attach request information.
The method according to claim 2, wherein the receiving, by the access network entity, the second information from the core network device comprises: the access network entity receiving initial context establishment request information from the core network device, The second information is the initial context establishment request information.
The method according to claim 1, wherein when the user equipment performs a modification bearer, the access network entity receiving the second information from the core network device comprises: the access network entity from the The core network device receives the modify bearer response message, and the second information is the modify bearer response message.
The method according to claim 1, wherein when the user equipment performs a service request, the method further includes:

Receiving, by the access network entity, service request information from the user equipment, and sending the service request information to the core network device;

The access network entity receives initial context setup request information from the core network device;

The access network entity establishes a radio bearer with the user equipment, and sends initial context establishment completion information to the core network device;

The first information is the initial context establishment completion information.
An access network entity, wherein the access network entity is wirelessly connected to the user equipment and the core network device, respectively, wherein the access network entity comprises a receiving unit, a processing unit, and a sending unit, and the sending unit is The core network device sends the first information, where the first information includes request information for acquiring a related policy of the UE; the receiving unit receives the second information from the core network device, where the second information is the core network device And generating, according to the first information, the second information includes policy response information; the processing unit performs a load transfer decision on the user equipment according to the policy response information.
The access network entity according to claim 6, wherein when the user equipment is connected, the receiving unit receives attachment request information from the user equipment, and the receiving unit is from the core network device Receiving initial context establishment request information, wherein the first information is the attachment request information, and the second information is the initial context establishment request information.
The access network entity according to claim 6, wherein when the user equipment performs a modified bearer, the receiving unit receives a modify bearer response message from the core network device, where the second information is Modify the bearer response message.
The access network entity according to claim 6, wherein when the user equipment performs a service request, the receiving unit receives service request information from the user equipment, and the sending unit sends the service network to the core network The device sends the service request information; the receiving unit receives initial context setup request information from the core network device; the access network entity establishes a radio bearer with the user equipment, and the sending unit sends the radio network to the core network The device sends initial context establishment completion information; wherein the first information is the initial context establishment completion information.
A method for obtaining a related policy of a UE, where a core network device is wirelessly connected to a user equipment by using an access network entity, where the method includes:

Receiving, by the core network device, first information from the access network entity, where the first information includes request information for acquiring a related policy of the UE;

The core network device generates second information according to the first information, and sends the second information to the access network entity, where the second information includes policy response information, so that the access network entity is configured according to The policy response information performs a load transfer decision on the user equipment.
The method according to claim 10, wherein the core network device comprises a mobility management entity MME, a serving gateway S-GW, a packet data network gateway P-GW or a policy and charging rule function PCRF.
The method according to claim 11, wherein when the user equipment is connected, the first information is an attach request information, and the second information is initial context establishment request information, the method further includes:

Receiving, by the MME, the attach request information from the access network entity;

Sending, by the MME, create session request information to the S-GW;

Sending, by the S-GW, the creation session request information to the P-GW;

Performing, by the P-GW and the PCRF, an IP-connected access network entity IP-CAN session modification;

Sending, by the P-GW, create session response information to the S-GW;

Sending, by the S-GW, the creation session response information to the MME;

Sending, by the MME, the initial context establishment request information to the access network entity;

The creating session request information includes the request information for acquiring a related policy of the UE, and the creating session response information includes the policy response information.
The method according to claim 11, wherein when the user equipment performs a modification bearer, the first information is request information for acquiring a related policy of the UE, and the second information is a modify bearer response message. The method further includes:

Receiving, by the MME, the request information for acquiring a related policy of the UE from the access network entity;

Sending, by the MME, modify bearer request information to the S-GW;

Sending, by the S-GW, the modify bearer request information to the P-GW;

The P-GW and the PCRF perform IP-CAN session modification;

Sending, by the P-GW, bearer modification response information to the S-GW;

Sending, by the S-GW, the bearer modification response information to the MME;

Sending, by the MME, the modify bearer response message to the access network entity;

The modification bearer request information includes the request information for acquiring a related policy of the UE, and the bearer modification response information includes the policy response information.
The method according to claim 11, wherein when the user equipment performs a service request, the first information is initial context establishment completion information, and the second message is the policy response information, and the method Also includes:

Receiving, by the MME, the initial context establishment completion information from the access network entity;

Sending, by the MME, modify bearer request information to the S-GW;

Sending, by the S-GW, the modify bearer request information to the P-GW;

The P-GW and the PCRF perform IP-CAN session modification;

Sending, by the P-GW, bearer modification response information to the S-GW;

Sending, by the S-GW, the bearer modification response information to the MME;

Sending, by the MME, the policy response information to the access network entity;

The modification bearer request information includes the request information for acquiring a related policy of the UE, and the bearer modification response information includes the policy response information.
A core network device, the core network device is wirelessly connected to the user equipment by the access network entity, wherein the core network device includes an MME, and the MME receives the first information from the access network entity. The first information includes request information for acquiring a related policy of the UE; the MME sends, to the access network entity, second information generated by the core network device according to the first information, where the second information includes a policy response. And the information, so that the access network entity performs load transfer decision on the user equipment according to the policy response information.
The core network device according to claim 15, wherein the core network device further comprises an S-GW, a P-GW or a PCRF.
The core network device according to claim 16, wherein when the user equipment is connected, the first information is attach request information, and the second information is initial context establishment request information,

Receiving, by the MME, the attach request information from the access network entity;

Sending, by the MME, create session request information to the S-GW;

Sending, by the S-GW, the creation session request information to the P-GW;

Performing, by the P-GW and the PCRF, an IP-connected access network entity IP-CAN session modification;

Sending, by the P-GW, create session response information to the S-GW;

Sending, by the S-GW, the creation session response information to the MME;

Sending, by the MME, the initial context establishment request information to the access network entity;

The creating session request information includes the request information for acquiring a related policy of the UE, and the creating session response information includes the policy response information.
The core network device according to claim 16, wherein when the user equipment performs the modification of the bearer, the first information is request information for acquiring a related policy of the UE, and the second information is a modified bearer. Response message, then

Receiving, by the MME, the request information for acquiring a related policy of the UE from the access network entity;

Sending, by the MME, modify bearer request information to the S-GW;

Sending, by the S-GW, the modify bearer request information to the P-GW;

The P-GW and the PCRF perform IP-CAN session modification;

Sending, by the P-GW, bearer modification response information to the S-GW;

Sending, by the S-GW, the bearer modification response information to the MME;

Sending, by the MME, the modify bearer response message to the access network entity;

The modification bearer request information includes the request information for acquiring a related policy of the UE, and the bearer modification response information includes the policy response information.
The core network device according to claim 16, wherein when the user equipment performs a service request, the first information is initial context establishment completion information, and the second message is the policy response information,

Receiving, by the MME, the initial context establishment completion information from the access network entity;

Sending, by the MME, modify bearer request information to the S-GW;

Sending, by the S-GW, the modify bearer request information to the P-GW;

The P-GW and the PCRF perform IP-CAN session modification;

Sending, by the P-GW, bearer modification response information to the S-GW;

Sending, by the S-GW, the bearer modification response information to the MME;

Sending, by the MME, the policy response information to the access network entity;

The modification bearer request information includes the request information for acquiring a related policy of the UE, and the bearer modification response information includes the policy response information.