WO2014089835A1

WO2014089835A1 - Bearer processing method, apparatus and system

Info

Publication number: WO2014089835A1
Application number: PCT/CN2012/086682
Authority: WO
Inventors: 靳维生; 黄英
Original assignee: 华为技术有限公司
Priority date: 2012-12-14
Filing date: 2012-12-14
Publication date: 2014-06-19
Also published as: CN104041121A; CN104041121B

Abstract

Provided are a bearer processing method, apparatus and system. The bearer processing method comprises: a source-side network element node receiving a bearer modification request message transmitted by a core network device which contains service information; when the source-side network element node decides to perform network switching according to the service information, transmitting to the core network device a first switching request message containing a bearer modification indication; the source-side network element node receiving a switching message transmitted by the core network device which contains radio bearer information; and the source-side network element node transmitting to a user equipment (UE) a switching command containing the radio bearer information, so that the UE performs network switching. The method realizes the modification of a service bearer while performing network switching, improves the service processing speed, and ensures the quality of service.

Description

The present invention relates to communication technologies, and in particular, to a bearer processing method, apparatus, and system. Background technique

With the development of mobile networks, the services used by users have become more diverse, and the networks that provide services to users have also emerged in different formats. The network deployment of these different systems has become more and more complicated.

In the prior art, when a user has initiated a service in a network of a standard, the user initiates another service, and the newly initiated service cannot be in the current standard network due to the current network bandwidth limitation. To achieve, or to achieve poor quality of service in the current standard network, network switching is required.

However, in the prior art, the bearer modification must be performed before the network handover is performed, which results in a slow service processing, or even a handover failure, which reduces the service quality of the service. Summary of the invention

In view of the above-discussed deficiencies of the prior art, the present invention provides a bearer processing method, apparatus and system.

In one aspect, the embodiment of the present invention provides a bearer processing method, including: a source side network element node receives a modify bearer request message that is sent by a core network device and includes a service information; and the source side network element node determines, according to the service information, And transmitting, by the core network device, a first handover request message that includes a modified bearer indication, where the source network element node receives a handover message that includes the radio bearer information sent by the core network device, where the source side The network element node sends a handover command including the radio bearer information to the user equipment UE, so that the UE performs network handover.

In a first possible implementation manner of the first aspect, the radio bearer information is radio bearer information that has been used by the source side, or radio bearer information and new radio bearer information that have been used on the source side.

With reference to the first possible implementation manner of the first aspect, in the second possible implementation manner, when the radio bearer information is used by the source side and the new radio bearer information, the handover message further includes Access layer NAS information; the handover command further includes the NAS information; The NAS information includes a bearer parameter and/or a session management parameter.

With reference to the first aspect, or the first or second possible implementation manner of the first aspect, the service information includes at least one of service type information, service name information, bandwidth information, and rate information.

In a second aspect, the embodiment of the present invention provides a bearer processing method, including: a target side network element node receives a second handover request message that is sent by a core network device and includes bearer information, where the bearer information is bearer information used by the source side. And the target side network element node performs radio resource adaptation on the bearer information to obtain radio bearer information; and the target side network element node receives the new bearer information and the non-access stratum NAS information sent by the core network device. Carrying a modification message, and performing radio resource adaptation on the new bearer information to obtain new radio bearer information, where the NAS information includes bearer parameters and/or session management parameters; the target side network element node sends to the UE a resource reset message including the new radio bearer information and the NAS information; the target side network element node receives a resource reset response message sent by the UE; and the target side network element node sends the core network device to the core network device And sending a modify bearer notification message, so that the core network device modifies the new bearer information.

In a third aspect, the embodiment of the present invention provides a bearer processing method, including: a core network device sends a modify bearer request message including service information to a source side network element node; and the core network device receives the source side network element node to send Receiving a first handover request message for modifying a bearer indication; the core network device receiving a handover complete notification message sent by the target side network element node; the core network device sending the new bearer information to the target side network element node Carrying a modification message with the non-access stratum NAS information, so that the target side network element node performs radio resource adaptation on the new bearer information, where the NAS information includes bearer parameters and/or session management parameters; The network device receives the modify bearer notification message sent by the target side network element node, and performs bearer modification.

With reference to the third aspect, in a first possible implementation manner of the third aspect, the performing the bearer modification includes: modifying the new bearer information; or: performing bearer information and the new The bearer information is uniformly modified.

With reference to the first possible implementation manner of the third aspect, in a second possible implementation manner of the third aspect, when the performing bearer modification includes modifying the new bearer information, receiving, by the core network device After the handover completion notification message sent by the target side network element node, the method further includes: modifying, by the core network device, the bearer information used by the source side.

Combining the third aspect, or the first or second possible implementation of the third aspect, In a third possible implementation manner of the third aspect, after the receiving, by the core network device, the first handover request message that is sent by the source network element, including the modify bearer indication, the core network device further includes: the core network device according to the modification The bearer indication suspends the bearer information used by the source side and/or the new bearer information, and waits for modification.

With reference to the third aspect, or the first or second or the third possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, when the core network device includes the first network element node And the second network element node, the source server gateway SGW, and the target SGW, the first network element node receives the first handover request message sent by the source network element node, and the second network element node sends the target The side network element node sends a second handover request message that includes the bearer information. The second network element node receives the handover complete notification message sent by the target side network element node.

With the fourth possible implementation of the third aspect, in a fifth possible implementation manner of the third aspect, the second network element node sends a second handover request that includes the bearer information to the target network element node Before the message, the method further includes: sending, by the second network element node in the core network device, a create session request message to the target server gateway SGW in the core network device, to establish a new bearer channel;

The target SGW sends a create session response message to the second network element node to respond. With reference to the fourth aspect of the third aspect, or the fifth possible implementation manner, in a sixth possible implementation manner of the third aspect, the second network element node receives the handover completed by the target side network element node After the notification message, the method further includes: the second network element node sending the handover complete notification message to the first network element node, so that the first network element node notifies the core after modifying the bearer information The source SGW in the network device releases the bearer information.

With reference to the third aspect, or any one of the possible implementation manners of the foregoing third aspect, in the seventh possible implementation manner of the third aspect, the service information includes: service type information, service name information, bandwidth information, and rate information At least one of the information.

In a fourth aspect, the embodiment of the present invention provides a bearer processing method, including: a target side network element node receives a second handover request message that includes a bearer information sent by a core network device, where the bearer information is bearer information used by a source side. And the new bearer information; the target side network element node performs radio resource adaptation on the bearer information to obtain radio bearer information; and the target side network element node sends a switch including the radio bearer information to the core network device. Transmitting, by the core network device, the handover message including the radio bearer information to the source network element node; the target side network element node Receiving a handover complete message sent by the user equipment UE, and sending a handover complete notification message to the core network device.

With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect, the target side network element node performs radio resource adaptation on the bearer information, and obtains radio bearer information, including:

The target side network element node performs radio resource adaptation on the bearer information used by the source side and the new bearer information, and obtains the radio bearer information, where the radio bearer information is used by the source side. And new radio bearer information.

With reference to the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the second handover request message further includes non-access stratum NAS information, where the handover response message further includes NAS information; wherein the NAS information includes bearer parameters and/or session management parameters.

With reference to the fourth aspect, in a third possible implementation manner of the fourth aspect, when the second handover request message further includes non-access stratum NAS information, the target side network element node performs wireless The resource adaptation, obtaining the radio bearer information, includes: the target side network element node performs radio resource adaptation on the bearer information used by the source side, and obtains the radio bearer information, where the radio bearer information is the source side The radio bearer information is used; the new bearer information and the NAS information are saved; or the target side network element node performs radio resource adaptation on the bearer information and the new bearer information used by the source side to obtain the Radio bearer information and new radio bearer information, where the radio bearer information is radio bearer information that has been used by the source side; and the new radio bearer information and the NAS information are saved.

With reference to the third possible implementation manner of the fourth aspect, in a fourth possible implementation manner of the fourth aspect, when the new bearer information and the NAS information are saved, the target side network element node saves the saved location Decoding the new radio bearer information, obtaining the new radio bearer information, and acquiring the NAS information; or, when saving the new radio bearer information and the NAS information, acquiring the new radio bearer information and the And the target side network element node sends a resource reset message including the new radio bearer information and the NAS information to the UE; the target side network element node receives the resource reset response sent by the UE The target side network element node sends a modify bearer notification message to the core network device, so that the core network device modifies the new bearer information.

In a fifth aspect, a bearer processing method provided by the embodiment of the present invention includes: a core network device sends a modify bearer request message including service information to a source side network element node; Receiving, by the source network element node, a first handover request message that includes a modify bearer indication; the core network device sends a second handover request message that includes bearer information to the target side network element node, where the bearer information is a source side The bearer information and the new bearer information that have been used; the core network device receives a handover response message that includes the radio bearer information sent by the target side network element node; and the core network device sends the inclusion information to the source side network element node The switching message of the radio bearer information is triggered, the source network element node is configured to send a handover command including the radio bearer information to the user equipment UE, and the core network device receives the handover completion notification message sent by the target side network element node. , carry the bearer modification.

With reference to the fifth aspect, in a first possible implementation manner of the fifth aspect, after the receiving, by the core network device, the first handover request message that is sent by the source network element, The core network device suspends the bearer information used by the source side and/or the new bearer information according to the modified bearer indication, and waits for modification.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in the second possible implementation manner of the fifth aspect, the second handover request message further includes: non-access stratum NAS information, the NAS information Contains bearer parameters and/or session management parameters.

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a third possible implementation manner of the fifth aspect, the radio bearer information in the handover response message is a radio bearer that has been used by the source side. The information and the new radio bearer information, and the handover response message does not include the NAS information, before the core network device sends the handover message including the radio bearer information to the source network element node, the method further includes: The network device adds the NAS information to the handover message.

With reference to the fifth aspect, or the first, or the second, or the third possible implementation manner of the fifth aspect, in a fourth possible implementation manner of the fifth aspect, the core network device receives the target side The handover completion notification message sent by the network element node, where the bearer modification is performed, includes: when the radio bearer information in the handover response message is the radio bearer information used by the source side and the new radio bearer information, the core network device Receiving a handover completion notification message sent by the target side network element node, and modifying the bearer information used by the source side and the new bearer information; or

When the radio bearer information in the handover response message is radio bearer information that has been used by the source side, the core network device receives a handover completion notification message sent by the target side network element node, and the source side has been modified. The bearer information used.

In conjunction with the fourth possible implementation of the fifth aspect, the fifth possible implementation in the fifth aspect In the formula, when the radio bearer information in the handover response message is the radio bearer information that has been used by the source side, after performing the bearer modification, the method further includes:

The core network device receives the modify bearer notification message sent by the target side network element node, and modifies the new bearer information.

With reference to the fifth aspect, or any one of the foregoing possible implementation manners of the fifth aspect, in a sixth possible implementation manner of the fifth aspect, when the core network device includes a first network element node, a second network element node, When the source server gateway SGW and the target SGW,

Receiving, by the first network element node, a first handover request message sent by the source side network element node, where the second network element node sends a second handover request message that includes bearer information to the target side network element node;

The second network element node receives a handover complete notification message sent by the target side network element node. With reference to the sixth implementation manner of the fifth aspect, in a seventh possible implementation manner of the fifth aspect, the second network element node sends a second handover request that includes the bearer information to the target network element node Before the message, the method further includes: sending, by the second network element node, a create session request message to the target server gateway SGW in the core network device, to establish a new bearer channel; and the target SGW to the second network element node Send a create session response message to answer.

With reference to the sixth implementation manner of the fifth aspect, or the seventh possible implementation manner of the fifth aspect, in an eighth possible implementation manner of the fifth aspect, the target is received by the second network element node After the handover completion notification message sent by the side network element node, the method further includes: the second network element node sending the handover completion notification message to the first network element node, so that the first network element node is carrying After the modification, the source SGW is notified to release the bearer information used by the source side.

In a sixth aspect, an embodiment of the present invention provides a source side network element node, including:

a receiving module, configured to receive a modify bearer request message that is sent by the core network device and includes the service information;

a sending module, configured to send, by using the service information received by the receiving module, a first handover request message including a modified bearer indication to the core network device;

The receiving module is further configured to receive a handover message that is sent by the core network device and includes radio bearer information;

The sending module is further configured to: after the receiving module receives the handover message, send a handover command including the radio bearer information to the user equipment UE, so that the UE performs network handover. With reference to the sixth aspect, in a first possible implementation manner of the sixth aspect, the radio bearer information is radio bearer information that has been used by the source side, or radio bearer information and new radio bearer information that have been used by the source side.

With reference to the first possible implementation manner of the sixth aspect, in a second possible implementation manner of the sixth aspect, when the radio bearer information is the radio bearer information and the new radio bearer information that are used by the source side,

The handover message further includes non-access stratum NAS information;

The switching command further includes the NAS information;

The NAS information includes a bearer parameter and/or a session management parameter.

The seventh aspect of the present invention provides a target side network element node, including:

a receiving module, configured to receive, by the core network device, a second handover request message that includes the bearer information, where the bearer information is bearer information that has been used by the source side;

a radio resource adaptation module, configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiving module, to obtain radio bearer information;

The receiving module is further configured to receive, by the core network device, a bearer modification message that includes new bearer information and non-access stratum NAS information, where the NAS information includes bearer parameters and/or session management parameters;

The radio resource adaptation module is further configured to perform radio resource adaptation on the new bearer information received by the receiving module to obtain new radio bearer information;

The sending module is further configured to send, to the UE, a resource reset message that includes the new radio bearer information obtained by the radio resource adaptation module and the NAS information;

The receiving module is further configured to receive a resource reset response message sent by the UE, where the sending module is further configured to: after receiving, by the receiving module, the resource reset response message, to the core network device And sending a modify bearer notification message, so that the core network device modifies the new bearer information.

In an eighth aspect, an embodiment of the present invention provides a core network device, including:

a first sending module, configured to send, to the source side network element node, a modify bearer request message that includes service information;

a first receiving module, configured to receive a first handover request message that is sent by the source side network element node and includes a modified bearer indication; a second receiving module, configured to receive a handover completion notification message sent by the target side network element node, where the second sending module is configured to send the new bearer information and the non-access stratum NAS information to the target side network element node Carrying a modification message, so that the target side network element node performs radio resource adaptation on the new bearer information, where the NAS information includes bearer parameters and/or session management parameters;

The second receiving module is further configured to receive a modified bearer notification message sent by the target side network element node, and perform bearer modification.

With reference to the eighth aspect, in a first possible implementation manner of the eighth aspect, the second receiving module is specifically configured to:

Modifying the new bearer information; or,

The bearer information used by the source side and the new bearer information are uniformly modified.

With reference to the first possible implementation manner of the eighth aspect, in a second possible implementation manner of the eighth aspect, when the second receiving module is configured to modify the new bearer information, the second receiving The module is also used to:

After receiving the handover completion notification message sent by the target side network element node, the bearer information used by the source side is modified.

With reference to the eighth aspect, or the first possible implementation manner of the eighth aspect, or the second possible implementation manner of the eighth aspect, in the third possible implementation manner of the eighth aspect, the first receiving module is further used to :

And according to the modified bearer indication in the first handover request message, suspending the bearer information used by the source side and/or the new bearer information, and waiting for modification.

With reference to the eighth aspect, or the first, or the second, or the third possible implementation manner of the eighth aspect, in a fourth possible implementation manner of the eighth aspect, the core network device includes a first network element Node, second network element node, source server gateway SGW, and target SGW,

The first network element node includes: the first sending module and the first receiving module; and the second network element node includes: the second sending module and the second receiving module.

With reference to the fourth possible implementation manner of the eighth aspect, in a fifth possible implementation manner of the eighth aspect, the second sending module is further configured to send, by using the bearer information, to the target side network element node Before the second handover request message, sending a create session request message to the target SGW to establish a new bearer channel;

The second receiving module is further configured to receive a create session response sent by the target SGW. Interest.

With reference to the fourth possible implementation manner of the eighth aspect, or the fifth possible implementation manner, in a sixth possible implementation manner of the eighth aspect, the second sending module is further configured to receive the handover completion After the notification message, the handover completion notification message is sent to the first network element node, so that the first network element node notifies the source SGW to release the bearer information after modifying the bearer information;

The first receiving module is further configured to receive a handover completion notification message sent by the second network element node, and modify the bearer information;

The first sending module is further configured to: after the first receiving module receives the handover complete notification message, send a message to notify the source SGW to release the bearer information.

A ninth aspect, the embodiment of the present invention provides a target side network element node, including: a receiving module, configured to receive a second handover request message that includes a bearer information sent by a core network device, where the bearer information is used by a source side. Bearer information and new bearer information;

a sending module, configured to send, to the core network device, a handover response message that includes the radio bearer information obtained by the radio resource adaptation module, and trigger the core network device to send the radio bearer information to the source side network element node. Switching messages;

The receiving module is further configured to receive a handover complete message sent by the user equipment UE, where the sending module is further configured to send, after the receiving module receives the handover complete message sent by the UE, to the core network device Switch completion notification message.

With reference to the ninth aspect, in a first possible implementation manner of the ninth aspect, the radio resource adaptation module is specifically configured to:

And performing radio resource adaptation on the bearer information used by the source side and the new bearer information in the second handover request message received by the receiving module, to obtain the radio bearer information, where the radio bearer information is used by the source side. Radio bearer information and new radio bearer information.

With reference to the first possible implementation manner of the ninth aspect, in a second possible implementation manner of the ninth aspect, the second handover request message further includes non-access stratum NAS information;

The handover response message further includes the NAS information;

The NAS information includes a bearer parameter and/or a session management parameter. With reference to the ninth aspect, in a third possible implementation manner of the ninth aspect, when the second handover request message further includes non-access stratum NAS information, the radio resource adaptation module is specifically configured to: The bearer information used by the source side is used for radio resource adaptation, and the radio bearer information is obtained, where the radio bearer information is used by the source side; the new bearer information and the NAS information are saved; or

Performing radio resource adaptation on the bearer information used by the source side and the new bearer information, and obtaining the radio bearer information and the new radio bearer information, where the radio bearer information is used by the source side. ; saving the new radio bearer information and the NAS information.

In conjunction with the third possible implementation of the ninth aspect, in a fourth possible implementation of the ninth aspect,

The radio resource adaptation module is further configured to, after saving the new bearer information and the NAS information, after the sending module sends a handover completion notification message to the core network device, the saved new Carrying information for performing radio resource adaptation, obtaining new radio bearer information, and acquiring the NAS information; or, when saving the new radio bearer information and the NAS information, sending, by the sending module, the core network device After the handover completion notification message, acquiring the new radio bearer information and the NAS information;

The sending module is further configured to: after the radio resource adaptation module obtains the new radio bearer information, send, to the UE, a resource reset message that includes the new radio bearer information and the NAS information;

The receiving module is further configured to: after the sending, by the sending module, the resource reset message, receive a resource reset response message sent by the UE;

The sending module is further configured to: after the receiving module receives the resource reset response message, send the modify bearer notification message to the core network device, so that the core network device modifies the new bearer information.

The tenth aspect of the present invention provides a core network device, including:

a first receiving module, configured to receive, by the source network element node, a first handover request message that includes a modified bearer indication;

a second sending module, configured to send, to the target side network element node, a second switching request that includes the bearer information And the second receiving module is configured to receive a handover response message that includes the radio bearer information that is sent by the target side network element node, where the information about the bearer information is used by the source side.

The first sending module is further configured to send, to the source network element node, a handover message that includes the radio bearer information received by the second receiving module, and trigger the source side network element node to the user equipment. Transmitting, by the UE, a handover command that includes the radio bearer information;

The second receiving module is further configured to receive a handover complete notification message sent by the target side network element node, and perform bearer modification.

With reference to the tenth aspect, in a first possible implementation manner of the tenth aspect, the first receiving module is further configured to: suspend the source side from being used according to the modified bearer indication in the first handover request message Bearer information and/or the new bearer information, waiting to be modified.

With reference to the tenth aspect, or the first possible implementation manner of the tenth aspect, in the second possible implementation manner of the tenth aspect, the second handover request message further includes: non-access stratum NAS information, the NAS The information contains bearer parameters and/or session management parameters.

With reference to the tenth aspect, or the first possible implementation manner of the tenth aspect, in the third possible implementation manner of the tenth aspect, the radio bearer information in the handover response message is used by the source side When the information and the new radio bearer information are carried, and the handover response message does not include the NAS information, the first sending module is further configured to:

Before the core network device sends the handover message to the source side network element node, the NAS information is added to the handover message.

With reference to the tenth aspect, or the first, or the second, or the third possible implementation manner of the tenth aspect, in the fourth possible implementation manner of the tenth aspect, the second receiving module is specifically configured to:

When the radio bearer information in the handover response message is the radio bearer information and the new radio bearer information that are used by the source side, the core network device receives the handover completion notification message sent by the target side network element node, and modifies The bearer information that has been used by the source side and the new bearer information; or, when the radio bearer information in the handover response message is radio bearer information that has been used by the source side, the core network device receives the The handover completion notification message sent by the target side network element node, and the bearer information used by the source side is modified.

In conjunction with the fourth possible implementation of the tenth aspect, the fifth possible implementation in the tenth aspect Wherein, when the radio bearer information in the handover response message is radio bearer information used by the source side,

The second receiving module is further configured to: after performing bearer modification, receive a modify bearer notification message sent by the target side network element node, and modify the new bearer information.

With the tenth aspect, or any one of the possible implementation manners of the foregoing tenth aspect, in a sixth possible implementation manner of the tenth aspect, the core network device includes a first network element node, a second network element node, and a source Server gateway SGW and target SGW,

With reference to the sixth possible implementation manner of the tenth aspect, in a seventh possible implementation manner of the tenth aspect, the second sending module is further configured to send, by using the bearer information, to the target side network element node Before the second handover request message, sending a create session request message to the target SGW to establish a new bearer channel;

The second receiving module is further configured to receive a create session response message sent by the target SGW.

With reference to the sixth possible implementation manner of the tenth aspect, or the seventh possible implementation manner, in the eighth possible implementation manner of the tenth aspect, the second sending module is further configured to receive the handover completion notification After the message, the handover completion notification message is sent to the first network element node, so that the first network element node notifies the source SGW to release the bearer information used by the source side; the first receiving module And receiving the handover completion notification message sent by the second network element node, and performing bearer modification;

The first sending module is further configured to: after the first receiving module receives the handover complete notification message, send a message to notify the source SGW to release the bearer information used by the source side.

In an eleventh aspect, an embodiment of the present invention provides a bearer processing system, including the source side network element node, the target side network element node of the seventh aspect, and the core network device of the eighth aspect.

According to a twelfth aspect, the embodiment of the present invention provides a bearer processing system, including the source side network element node, the target side network element node of the ninth aspect, and the core network device of the tenth aspect.

The technical effect of the present invention is: a bearer processing method, apparatus, and system according to an embodiment of the present invention, which receives a modified bearer request message including service description information sent by a core network device by a source side network element node, and then a source side network element node According to the service description information, it is determined that the network switching needs to be performed, and finally The source side network element node sends a handover response message including the modified bearer indication to the core network device, so as to modify the bearer information in the process of network handover, and implements the network handover, and the service bearer is modified to improve the service processing speed. Guarantee the quality of service of the business. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any inventive labor.

1 is a schematic diagram of a signaling flow of Embodiment 1 of a bearer processing method according to the present invention;

2 is a schematic diagram of a signaling flow according to Embodiment 2 of a bearer processing method according to the present invention;

FIG. 3 is a schematic diagram of another signaling flow according to Embodiment 2 of a bearer processing method of the present invention; FIG. 4 is a schematic diagram of a signaling flow of Embodiment 4 of a bearer processing method according to the present invention;

FIG. 5 is a schematic diagram of a signaling process according to Embodiment 5 of a bearer processing method according to the present invention;

6 is a schematic diagram of a signaling process of Embodiment 6 of a bearer processing method according to the present invention;

7 is a schematic diagram of a signaling flow of Embodiment 7 of a bearer processing method according to the present invention;

8 is a schematic diagram of a signaling process of Embodiment 8 of a bearer processing method according to the present invention;

FIG. 9 is a schematic structural diagram of a source side network element node according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a target side network element node according to an embodiment of the present invention;

FIG. 1 is a schematic structural diagram of a core network device according to an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of another target side network element node according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of another core network device according to an embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a source side network element node according to an embodiment of the present invention;

FIG. 15 is a schematic structural diagram of a target side network element node according to an embodiment of the present invention;

FIG. 16 is a schematic structural diagram of a core network device according to an embodiment of the present invention;

FIG. 17 is a schematic structural diagram of another target side network element node according to an embodiment of the present invention;

FIG. 18 is a schematic structural diagram of another core network device according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS In order to make the objectives, technical solutions and advantages of the embodiments of the present invention more clear, the following will be combined with the present invention. The technical solutions in the embodiments of the present invention are clearly and completely described in the drawings, and the embodiments are described as a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a schematic diagram of a signaling flow according to Embodiment 1 of a bearer processing method according to the present invention, which is specifically described below. Step 100: The core network device sends a modify bearer request message containing the service information to the source side network element node.

The service information includes: at least one of service type information, service name information, bandwidth information, and rate information.

It should be noted that the GSM EDGE Radio Access Network (GSM EDGE Radio Access)

When the network (hereinafter referred to as GERAN) or the Universal Terrestrial Radio Access Network (UTRAN) is switched to Long Term Evolution (LTE), the source side network element node can be controlled by the base station. (Base Station Controller, hereinafter referred to as BSC) or Radio Network Control (RNC), when the LTE is switched to GERAN or UTRAN, the source side network element node may be an evolved base station (evolved Node Base). , hereinafter referred to as eNB ).

Specifically, when the user equipment (User Equipment, hereinafter referred to as UE) initiates multiple services, the core network device is triggered to initiate a bearer modification process, and the core network device sends a modified bearer request message containing the service information to the source side network element node.

Step 101: The source side network element node receives a modification bearer request message that is sent by the core network device and includes the service information.

Step 102: When the source side network element node determines to perform network switching according to the service information, send a first handover request message including a modified bearer indication to the core network device.

Specifically, the source side network element determines whether to perform network switching according to the service information in the modified bearer request message.

The modify bearer indication is used to indicate that the core network hangs the bearer information and/or the new bearer information used by the origin side, and waits for modification.

Step 103: The core network device receives a first handover request message that is sent by the source side network element node and includes a modified bearer indication, and sends a second handover request message that includes the bearer information to the target side network element node.

The bearer information is bearer information that has been used on the source side. It should be noted that when the GERAN or the UTRAN performs handover to the LTE, the target side network element node may be an eNB; when the LTE performs handover to the GERAN or the UTRAN, the source target side network element node may be a BSC or an RNC.

Step 104: The target side network element node receives the second handover request message that is sent by the core network device and includes the bearer information, and performs radio resource adaptation on the bearer information to obtain radio bearer information.

The radio bearer information is radio bearer information that has been used on the source side.

Step 105: The target side network element node sends a handover response message including the radio bearer information to the core network device, and triggers the core network device to send a handover message including the radio bearer information to the source side network element node.

Step 106: The core network device receives the handover response message that is sent by the target network element node and includes the radio bearer information, and sends a handover message that includes the radio bearer information to the source network element node, and triggers the source side network element node to the user equipment. The UE transmits a handover command including the radio bearer information.

Step 107: The source side network element node receives a switching message that includes the radio bearer information sent by the core network device, and sends a handover command including the radio bearer information to the user equipment UE, so that the UE performs network switching.

Step 108: The target side network element node receives the handover complete message sent by the UE, and sends a handover complete notification message to the core network device.

Step 109: The core network device receives a handover completion notification message sent by the target side network element node. Step 110: The core network device sends a bearer modification message including the new bearer information and the non-access stratum (NAS) information to the target side network element node, so that the target side network element node pairs the new bearer information. Perform wireless resource adaptation.

Step 111: The target side network element node receives the bearer modification message that is sent by the core network device and includes the new bearer information and the non-access stratum NAS information, and performs radio resource adaptation on the new bearer information to obtain new radio bearer information.

Step 112: The target side network element node sends a resource reset message including the new radio bearer information and the NAS information to the UE.

The NAS information is used to enable the UE to perform corresponding bearer modification according to the NAS information.

Step 113: The target side network element node receives the resource reset response message sent by the UE, and sends the message to the core. The network device sends a modify bearer notification message to enable the core network device to modify the new bearer information.

Step 114: The core network device receives the modify bearer notification message sent by the target side network element node, and performs bearer modification.

The performing bearer modification may include:

Modify the new bearer information; or,

The bearer information and the new bearer information that have been used on the source side are uniformly modified. Specifically, after the core network device receives the handover completion notification sent by the target side network element node, the core network device uses the bearer used by the source side and the new bearer. And make changes.

It should be noted that, after performing the bearer modification, including modifying the new bearer information, after the core network device receives the handover complete notification message sent by the target side network element node, that is, after step 109, the method further includes:

The core network device modifies the bearer information that has been used on the source side.

Specifically, the core network device receives the handover completion notification sent by the target side network element node, so that the core network device modifies the bearer that has been used on the source side. Then, the core network device receives the modify bearer notification message sent by the target side network element node, so that the core network device modifies the new bearer information that needs to be modified, that is, the bearer and the new bearer that have been used on the source side are respectively modified.

It should be noted that, whether the bearer used by the source side and the new bearer are modified together, or the bearer and the new bearer that have been used on the source side are modified separately, there are two ways to modify the bearer: that is, uniformly modify the bearer or add a new one. Hosted.

Method 1: Unified modification of the bearer. The bearer can support the pre-switching service 1 and the new service 2 that triggers the handover. For example, the bearer of the original support service 1 is: bearer ID = 9, service type =1, maximum rate = 100, Allocation and Retention Priority (ARP) = 2, guaranteed rate = 80, and so on. After unified modification, the bearers of service 1 and service 2 can be supported as: bearer ID = 9, service type =1, maximum rate = 300, ARP = 1, guaranteed rate = 200, and so on. The bearer that exists in the network at this time is a bearer with the identifier =9.

Method 2, Xinlikou new.

For example, the bearer that originally supports service 1 is: bearer ID = 9, service type = 1, maximum rate = 100, ARP = 2, guaranteed rate = 80, and so on. The new bearer support service 2 is added: bearer ID = 8, service type = 21, maximum rate = 200, ARP = 1, guaranteed rate = 150, and so on. At this time, the bearers existing in the network are two, the bearer with the identifier = 9 and the bearer with the identifier = 8. In an implementation scenario, when the core network device includes a first network element node, a second network element node, a source server gateway (SGW), and a target SGW,

Receiving, by the first network element node, a first handover request message sent by the source side network element node;

The second network element node sends a second handover request message including the bearer information to the target side network element node;

The second network element node receives the handover completion notification message sent by the target side network element node.

The second network element node may be a Mobility Management Entity (MME), and the first network element node may be a General Packet Radio Service (GPRS) service support node (Serving GPRS Support). Node is hereinafter referred to as SGSN).

Optionally, before the second network element node sends the second switching request message that includes the bearer information to the target network element node, the method further includes:

The second network element node in the core network device sends a create session request message to the target server gateway SGW in the core network device to establish a new bearer channel;

The target SGW sends a create session response message to the second network element node to respond.

Optionally, after the second network element node receives the handover complete notification message sent by the target side network element node, that is, after step 109, the method further includes:

The second network element node sends a handover complete notification message to the first network element node, so that the first network element node notifies the source SGW in the core network device to release the bearer information after modifying the bearer information.

The bearer processing method provided in this embodiment, when the source side network element node determines to perform the network handover according to the service information sent by the core network device, includes a first handover request message that modifies the bearer indication, and instructs the core network to perform the handover while performing the handover. In addition, after the handover is completed, the core network sends the new bearer information and the NAS information to the target side network element node, and the target side sends the UE to the UE through the reconfiguration message, so that the UE updates according to the NAS information, thereby improving The processing speed of the business ensures the quality of service of the business.

FIG. 2 is a schematic diagram of a signaling flow according to Embodiment 2 of a bearer processing method according to the present invention, which is specifically as follows.

Step 200: The core network device sends a modify bearer request message containing the service information to the source side network element node.

The service information includes: service type information, service name information, bandwidth information, and rate. At least one of the information.

For a description of the source side network element node, see step 100.

Step 201: The source side network element node receives a modification bearer request message that is sent by the core network device and includes the service information.

Step 202: When the source side network element node determines to perform network switching according to the service information, send a first handover request message including a modified bearer indication to the core network device.

Step 203: The core network device receives a first handover request message that is sent by the source network element node and includes a modified bearer indication, and sends a second handover request message that includes the bearer information to the target network element node.

The bearer information is bearer information and new bearer information that have been used on the source side.

The second handover request message may further include NAS information, where the NAS information includes a bearer parameter and/or a session management parameter.

It should be noted that when the RAN or the UTRAN is switched to the LTE, the target side network element node may be an eNB; when the LTE is switched to the GERAN or the UTRAN, the source target side network element node may be a BSC or an RNC.

Step 204: The target side network element node receives a second handover request message that is sent by the core network device and includes the bearer information, and performs radio resource adaptation on the bearer information to obtain radio bearer information.

When the second handover request message further includes the NAS information, the target side network element node performs radio resource adaptation on the bearer information, and the obtained radio bearer information may be in the following manners: Al, A2, and A3:

Al. The target side network element node performs radio resource adaptation on the bearer information used by the source side to obtain radio bearer information, and the radio bearer information is radio bearer information used by the source side; and the new bearer information and the NAS information are saved.

A2: The target side network element node performs radio resource adaptation on the used bearer information and the new bearer information on the source side to obtain radio bearer information, where the radio bearer information is used by the source side and the new radio bearer information.

A3. The target side network element node performs radio resource adaptation on the bearer information and the new bearer information used by the source side, and obtains radio bearer information and new radio bearer information, where the radio bearer information is used by the source side; Wireless bearer information and NAS information. In addition, when the second handover request message does not include the NAS information, the radio bearer information may also be obtained in the foregoing manner A2 in step 204.

Step 205: The target side network element node sends a handover response message including the radio bearer information to the core network device, and triggers the core network device to send the handover message including the radio bearer information to the source side network element node.

When the radio bearer information is obtained by using the modes A1 and A3 in step 204, the radio bearer information is the radio bearer information that has been used by the source side. When the radio bearer information is obtained by using the mode A2 in step 204, the radio bearer information is the source. The radio bearer information and the new radio bearer information that have been used on the side.

Step 206: The core network device receives the handover response message that is sent by the target network element node and includes the radio bearer information, and sends a handover message that includes the radio bearer information to the source network element node, and triggers the source side network element node to send the message to the UE. A handover command including the radio bearer information.

When the radio bearer information in the handover response message is the radio bearer information and the new radio bearer information that are used by the source side, and the handover response message does not include the NAS information, the core network device sends the radio bearer to the source side network element node. The message switching message also includes:

The core network device adds the NAS information to the handover message.

Step 207: The source side network element node receives a switching message that includes the radio bearer information sent by the core network device, and sends a handover command that includes the radio bearer information to the UE, so that the UE performs network switching.

Step 208: The target side network element node receives the handover complete message sent by the UE, and sends a handover complete notification message to the core network device.

Step 209: The core network device receives a handover completion notification message sent by the target side network element node, and performs bearer modification.

The performing bearer modification may include:

When the radio bearer information in the handover response message is the radio bearer information and the new radio bearer information that are used by the source side, the core network device receives the handover completion notification message sent by the target side network element node, and modifies the bearer information used by the source side. New bearer information; or,

When the radio bearer information in the handover response message is the radio bearer information used by the source side, the core network device receives the handover completion notification message sent by the target side network element node, and modifies the bearer information used by the source side.

It should be noted that the radio bearer information in the handover response message is the wireless used by the source side. When carrying information, it is also possible to not perform bearer modification.

It should be noted that the manner of the foregoing bearer modification can be specifically referred to the related description in step 114. FIG. 3 is a schematic diagram of another signaling process according to Embodiment 2 of the bearer processing method of the present invention. As shown in FIG. 3, when the radio bearer information is obtained by using the mode A1 in step 204, after the bearer modification is performed in step 209, the step is performed. 210a; When the radio bearer information is obtained by the method A3 in step 204, after the bearer modification is performed in step 209, step 210b is performed; and after step 210a or 210b is performed, steps 211-213 are performed, as follows:

Step 210a: The target side network element node performs radio resource adaptation on the saved new bearer information to obtain new radio bearer information.

Step 210b: Obtain the new radio bearer information and the NAS information.

Step 211: The target side network element node sends a resource reset message including the new radio bearer information and the NAS information to the UE.

Step 212: The target side network element node receives the resource reset response message sent by the UE, and sends a modify bearer notification message to the core network device, so that the core network device modifies the new bearer information.

Step 213: The core network device receives a modify bearer notification message sent by the target side network element node, and modifies the new bearer information.

It should be noted that, in the bearer modification method shown in FIG. 3, when the radio bearer information in the handover response message is the radio bearer information used by the source side, and the bearer modification is not performed, the new bearer is modified in step 213. At the same time, the modification of the bearer information that has been used on the source side is performed. For the specific bearer modification, refer to the related description in step 114.

In an implementation scenario, when the core network device includes the first network element node, the second network element node, the source SGW, and the target SGW,

The second network element node may be an MME, and the first network element node may be an SGSN.

Optionally, before the second network element node sends the second handover request message that includes the bearer information to the target network element node, the method further includes: The second network element node in the core network device sends a create session request message to the target server gateway SGW in the core network device to establish a new bearer channel;

Optionally, after the second network element node receives the handover completion notification message sent by the target side network element node, the method further includes:

The processing method provided by the method in this embodiment is provided. When the source network element node determines to perform network switching according to the service information sent by the core network device, the first switching request message for modifying the bearer indication is sent. The core network performs the bearer modification while performing the handover. In addition, the core network sends the bearer information, the NAS information, and the new bearer information used by the source side to the target side network element node through the second handover request message, and the target side network The meta-node adapts the bearer information, obtains the radio bearer information, and sends the bearer information to the core network through the handover response message, and the core network sends the radio bearer information to the UE through the handover message; when the radio bearer information includes the new radio bearer information, and When the handover message includes the NAS information, the core network simultaneously modifies the used bearer and the new bearer on the source side after receiving the handover completion notification message; otherwise, the target side network element node receives the handover completion message of the UE and then is the new bearer. Perform radio resource adaptation, prepare air interface resources, and send packets to the UE. The resource reset message with the new bearer information, the core network can complete the modification of all bearers after receiving the modify bearer notification message. The bearer modification method provided by the foregoing embodiment implements the network switchover and modifies the service bearer. The processing speed of the business ensures the quality of service of the business.

4 is a schematic diagram of a signaling flow of a fourth embodiment of a bearer processing method according to the present invention. Referring to FIG. 4, a method for implementing a bearer processing system of the present invention by using a source side network element node, a target side network element node, and a core network device is described in detail. Description.

It should be noted that when the GERAN or the UTRAN performs handover to the LTE, the source side network element node may be a BSC or an RNC, and the target side network element node is an eNB. When the LTE is switched to the GERAN or the UTRAN, the source side network element node may be an eNB, and the target side network element node may be a BSC or an RNC. The following describes an example when switching to LTE in GERAN or UTRAN.

Step 401: The core network device sends a modify bearer request message to the BSC/RNC.

Specifically, the modified bearer request includes service type information, service name information, bandwidth information, At least one of the rate information.

Step 402: The BSC/RNC determines that network switching needs to be performed according to the service information.

Step 403: The BSC/RNC sends a first handover request message to the core network device.

Specifically, the first handover request message includes a modification bearer indication.

Step 404: The core network device suspends bearer information that needs to be modified.

Specifically, the core network device suspends the bearer information that needs to be modified according to the first handover request message. Optionally, step 404 may be omitted, and the modification of the bearer information is directly completed by step 412.

Step 405: The core network device sends a second handover request message to the eNB.

In the first case, the second handover request message only includes bearer information that has been used by the source test, and does not include new bearer information.

Optionally, in the second case, the second handover request message includes bearer information and new bearer information that are used by the source side.

Optionally, in a third case, the second handover request message includes bearer information, new bearer information, and NAS information that are used by the source side, where the NAS information includes parameters that require bearer modification and/or session management performed by the UE.

Step 406: The eNB receives the second handover request message.

For the first case of step 405, the eNB performs radio resource adaptation on the bearer information used by the source side to obtain the radio bearer information used by the source side.

For the second case of step 405, the eNB performs radio resource adaptation for the bearer information and the new bearer information used by the source side, and obtains the radio bearer information and the new radio bearer information that have been used by the source side.

For the third case of step 405, the eNB performs radio resource adaptation on the bearer information used by the source side, and the eNB saves the new bearer information and the NAS information to obtain the wireless bearer information that has been used by the source side.

Step 407: The eNB sends a handover response message to the core network device.

Specifically, the handover response message includes bearer information that has been resource-adapted. Optionally, the switch response message also includes NAS information.

Step 408: The core network device sends a handover message to the BSC/RNC.

Specifically, the handover message includes bearer information that has been resource-adaptive. Optionally, the switching message also includes NAS information.

Step 409: The BSC/RNC sends a handover command to the UE. Specifically, optionally, if the NAS information is further included, the handover network command also includes NAS information, so that the UE updates the UE according to the NAS information.

Step 410: The UE sends a handover complete message to the eNB.

Step 411: The eNB sends a handover complete notification message to the core network device.

Step 412: The core network device modifies bearer information.

Specifically, the core network device modifies the bearer that has been used on the source side. Optionally, in step 412, the new bearer information is also modified. Then, step 416 and step 417 need not be performed at this time.

Step 413: The MME sends a bearer modification message to the eNB.

Specifically, when the first case of step 405 is satisfied, the message is sent, and the message includes new bearer information and NAS information.

Step 414: The eNB adapts the air interface resource.

Specifically, when the first situation or the third case in step 405 is satisfied, the eNB adapts the air interface resources to the new bearer information.

Step 415: The eNB sends a resource reset message to the UE.

The resource reset message contains new radio bearer information.

Step 416: The UE feeds back a resource reset response message to the eNB.

Step 417: The eNB sends a modify bearer notification message to the core network device.

Step 418: The core network device modifies the new bearer information.

Specifically, the core network device modifies the new bearer information according to the modify bearer notification message. Alternatively, when step 412, the new bearer is modified together, step 417 and step 418 are not required. Alternatively, if the second case of step 405 is satisfied, then steps 413 through 418 are not required.

For the bearer processing method provided by the embodiment of the present invention, in a specific application process, when the handover command carries the NAS information, in order to identify the handover command, the UE needs to be updated, so there are four scenarios: the UE does not need to be updated. Scenario 1 in which there is no change in the SGW in the core network device, the scenario in which the mobility management entity does not need to re-locate the SGW in the core network device, the scenario in which the UE is updated, and the SGW in the core network device does not change. The UE and the mobility management entity consider that it is necessary to relocate the scenario 4 of the SGW in the core network device. The core network devices in FIG. 5 to FIG. 8 include: SGSN, MME, SGW, and packet data gateway (Packet) The Data Network Gateway (hereinafter referred to as PDW) and the Policy and Charging Rules Function (hereinafter referred to as PCRF), wherein the first network element node is an SGSN, and the second network element node is an MME. 5 to FIG. 8 are both GERAN or UTRAN switched to LTE, and the source side network element node is a BSC or an RNC, and the target side network element node is an eNB. When the LTE is switched to the GERAN or the UTRAN, the source side network element node is the eNB, and the target side network element node is the BSC or the RNC. The flow of the four scenarios in the bearer processing system provided by the embodiment of the present invention will be separately described below with reference to FIG. 5 to FIG.

FIG. 5 is a schematic diagram of a signaling process according to Embodiment 5 of the bearer processing method of the present invention. Referring to FIG. 5, in a scenario 1 in which the UE does not need to be updated and the SGW in the core network device does not change, the loading processing method of the present invention includes the following steps:

Step 501: The PCRF sends a modify bearer request message to the PDW.

Specifically, the modify bearer request message is an IP-CAN Session message, and the bearer is required to be modified, and the service type or name information may also be carried.

Step 502: The PDW sends a modify bearer request message to the SGW.

Specifically, the modify bearer request message may be an update bearer request message or a create bearer request message, where the bearer request message is used to establish a second bearer, and the following is to update the bearer request message. The bearer modification is taken as an example. The second bearer carries a similar process, and may include at least one of service type information, service name information, bandwidth information, and rate information. At this time, the bearer parameters on the PDW have not been answered. , Can not be modified.

Step 503: The SGW sends a modify bearer request message to the SGSN.

Specifically, the modify bearer request message may be an update bearer request message, requesting bearer modification, and the bearer parameter on the SGW has not been acknowledged and cannot be modified.

Step 504: The SGSN sends a modify bearer request message to the BSC/RNC.

Specifically, the modify bearer request message may be a modify bearer request message (Modify Bearer)

Request (RAB Assignment procedure / Packet flow context procedures ) , request to modify the bearer.

Step 505: The BSC/RNC sends a first handover request message to the SGSN. Specifically, after receiving the modify bearer request message, the BSC/RNC initiates a handover process if it decides to switch to another system. Sending a first handover request message to the SGSN, the message further includes modifying the bearer information and/or corresponding indication after switching to the target cell.

Step 506: The SGSN sends a modify bearer response message to the SGW.

Specifically, the modify bearer response message may be an update bearer response message, with an indication that the corresponding bearer is temporarily suspended, and the modification is performed after waiting.

Step 507: The SGW sends a modify bearer response message to the PDW.

Specifically, after receiving the modify bearer response message, the SGW sends the PDW to the PDW.

Step 508: The PDW sends a modify bearer response message to the PCRF.

Specifically, the PDW sends a modify bearer response message to the PCRF, telling the other party to suspend the bearer and waiting for modification. The above steps 506, 507, and 508 may or may not be. When not, proceed to step 509.

Step 509: The SGSN sends a forward relocation request message to the SGSN.

Specifically, the handover request is performed according to the forward relocation request message, and includes all the established bearers on the source side and the indication that the bearer is to be modified and a new bearer is established after the handover, where step 506, step 507, step 508, and step 509 are performed. The order is not limited.

Step 510: The MME sends a second handover request message (HO Request) to the eNB.

Specifically, the second handover request message includes: modifying the bearer indication, and further, modifying the bearer indication to the bearer information used by the source side, the new bearer information that needs to be established after the handover, the NAS information (Session Manager Request, etc.), and the Modify the instructions for the bearer.

Step 511: The eNB performs radio resource adaptation on the bearer used by the source side, obtains radio bearer information used by the source side, and saves new bearer information (without radio resource adaptation) and NAS information.

Step 512: The eNB sends a handover response message (HO Request Ack) to the MME.

The bearer content includes bearer information of the already adapted radio resource, that is, bearer information that has been adapted to the radio resource.

Step 513: The MME returns a forward relocation response message (Forward Relocation Response) to the SGSN, and the information about the radio resource sent by the eNB, that is, the bearer information that has been subjected to radio resource adaptation. Step 514: The SGSN sends a handover message to the BSC/RNC, and includes the bearer information that the eNB has prepared for resource adaptation.

Step 515: The BSC/RNC sends a handover command to the UE.

Step 516: The UE sends a handover complete message to the eNB.

Specifically, the UE performs access on the target side, and if the access is successful, sends a handover complete message to the eNB.

Step 517: The eNB sends a handover complete notification message (HO Notify) to the MME.

Step 518: The MME sends a modify bearer notification message to the SGW, and notifies the SGW to perform bearer modification, and modifies the bearer used by the source side in the handover.

Step 519: The SGW sends a modify bearer notification message to the PDW to notify the PDW to perform bearer modification, and modify the used bearer on the source side in the handover.

Step 520: The eNB prepares a newly-ported air interface resource.

Specifically, the new bearer information saved in step 511 is adapted to the radio resource to obtain new radio bearer information. The order of steps 520 and 518 is not limited.

Step 521: The eNB sends a resource reset message (RRC Reconfiguration message) to the UE, where the new radio bearer and the NAS information are included.

Step 522: The UE sends a resource reset response to the eNB.

Step 523: The eNB sends a modify bearer notification message to the MME, to notify the MME to modify the new bearer.

Step 524: The MME sends a modify bearer notification message to the SGW, to notify the SGW to perform bearer modification. Step 525: The SGW sends a modify bearer notification message to the PDW, informing the PDW to modify the bearer that has just been suspended.

Step 526: The PDW sends a modify bearer notification message to the PCRF to notify the PCRF to perform the final bearer modification.

Optionally, in step 510, the second handover request message (HO Request) does not carry the new bearer information and the NAS, that is, the eNB does not save anything, and there is no step 511. Step 517: After the eNB sends a handover complete notification message (HO Notify) to the MME, the MME may send the new bearer information and the NAS information to the eNB, and the eNB sends a resource reset (RRC Reconfiguration) to the UE according to the message. Message, perform RRC Reconfiguration „ or, optionally, step 518, Step 519 performs the modification of all bearers, and step 523, step 524, step 525, and step 526 are not required.

The bearer modification procedure for the node bearer triggering of the SGSN, the SGW, and the PDW is similar, and the BSC/RNC receives the RAB Assignment procedure (or the packet flow context procedures) to initiate the handover process, that is, after the foregoing step 504. Process.

FIG. 6 is a schematic diagram of a signaling flow of a sixth embodiment of a bearer processing method according to the present invention. Referring to FIG. 6, in a scenario 2 in which the mobility management entity does not need to relocate the SGW in the core network device, the bearer processing method of the present invention Including the following steps:

Step 601: The PCRF sends a modify bearer request message to the PDW.

Specifically, the modified bearer request is specifically an IP-CAN Session message, and the modified bearer is required to include at least one of service type information, service name information, bandwidth information, and rate information.

Step 602: The PDW sends a modify bearer request message to the source SGW.

Specifically, the modified bearer request may be an Update Bearer Request message or a Create Bearer Request to establish a second bearer. The following is an example of modifying the bearer, and the second bearer has a similar process, which may include the service type information and the service name. At least one of information, bandwidth information, and rate information. At this time, the bearer parameters on the PDW have not been acknowledged and cannot be modified.

Step 603: The source SGW sends an Update Bearer Request message to the SGSN, requesting bearer modification.

Specifically, the modify bearer request message may include at least one of service type information, service name information, and bandwidth information. At this time, the bearer parameters on the source SGW have not been answered and cannot be modified.

Step 604: The SGSN sends a modify bearer request message to the BSC/RNC.

Specifically, the SGSN sends a Modify Bearer Request (RAB Assignment procedure / Packet Flow Context Procedure) to the BSC/RNC, and the SGSN is required to modify the bearer, and may include at least one of service type information, service name information, and bandwidth information. information.

Step 605: The BSC/RNC sends a first handover request message to the SGSN. Specifically, after the BSC/RNC receives the modify bearer request, if it decides to switch to another system, the handover process is initiated. Sending a first handover request message to the SGSN, where the first handover request message further includes modifying the bearer information and/or corresponding indication after switching to the target cell.

Step 606: The SGSN sends an Update Bearer Response message to the source SGW, with an indication that the corresponding bearer is temporarily suspended, and indicates that the SG is modified after the waiting.

Step 607: The source SGW sends a modify bearer response message to the PDW.

Specifically, the source SGW sends the modified bearer response to the PDW.

Step 608: The PDW sends a modify bearer response message to the PCRF.

Specifically, the PDW sends a modified bearer response to the PCRF, telling the other party to suspend the bearer and waiting for modification. It should be noted that the above steps 606, 607, and 608 may or may not be. When not, proceed to step 609.

Step 609: The SGSN sends a forward relocation request message to the MME.

Specifically, the SGSN sends a forward relocation request message to the MME to perform the handover request, including all the established bearers on the source side and the instructions to modify the bearer and a new bearer after the handover, where step 606 Step 607, step 608 and steps

The order of 609 is not limited.

Step 610: The MME sends a create session request message to the target SGW.

Specifically, the MME determines to relocate the SGW, and then sends a Create Seesion Request message to the target SGW to establish a bearer channel.

Step 611: The target SGW sends a create session response message to the UI.

Step 612: The second eNB sends a second handover request message (HO Request).

Specifically, the second handover request message (HO Request) includes the bearer information used by the source side, the new bearer information that needs to be established after the handover, the NAS information (Session Manager Request, etc.), and the indication of modifying the bearer after the handover.

Step 613: The eNB receives the second handover request message, and the eNB performs radio resource adaptation on the bearer used for the source measurement, obtains the radio bearer information used by the source side, and saves the new bearer (without radio resource adaptation) and the NAS. information.

Step 614: The eNB sends a handover response message (HO Request Ack) to the MME. Specifically, the bearer content of the handover request message (HO Request Ack) includes only the bearer information of the radio resource that has been adapted, that is, the bearer information that has been adapted by the radio resource.

Step 615: The MME sends a Forward Relocation Response message to the SGSN.

Specifically, the forward relocation response message includes information about radio resources sent by the eNB, that is, bearer information that has been adapted for radio resource.

Step 616: The SGSN sends a handover message to the BSC/RNC.

Specifically, the handover message includes bearer information that the eNB has prepared for resource adaptation. Step 617: The BSC/RNC sends a handover command to the UE.

Step 618: The UE sends a handover complete message to the eNB.

Specifically, the UE performs access on the target side, and if the access is successful, sends a handover network completion message to the eNB.

Step 619: The eNB sends a handover complete notification message (HO Notify) to the MME.

Step 620: The MME sends a handover completion notification message (Forward Ack) to the SGSN.

Specifically, the MME sends a handover completion notification (Forward Ack) to the SGSN to notify the SGSN that the handover is complete, and the SGSN may release the bearer information of the resource Gb/Iu interface or the source SGW according to the situation.

Step 621: The MME sends a modify bearer notification message to the target SGW, and notifies the target SGW to perform bearer modification, and modifies the bearer used by the source side in the handover.

Step 622: The target SGW sends a modify bearer notification message to the PDW, and notifies the PDW to perform bearer modification, and modifies the bearer used by the source side in the handover.

Step 623: The eNB prepares a newly-ported air interface resource.

Specifically, the new bearer information saved in step 613 is adapted to the radio resource, and the new radio bearer information is obtained. The order of steps 623 and 621 is not limited.

Step 624: The eNB sends a resource reset message (RRC Reconfiguration message) to the UE, including the new bearer and the NAS information.

Step 625: The UE sends a resource reset response message to the eNB.

Step 626: The eNB sends a modify bearer notification message to the MME, to notify the MME to modify the new bearer.

Step 627: The MME sends a modify bearer notification message to the target SGW, and notifies the target SGW to perform bearer modification. Step 628: The target SGW sends a modify bearer notification message to the PDW, and notifies the PDW to modify the suspended bearer.

Step 629: The PDW sends a modify bearer notification message to the PCRF to notify the PCRF to perform the last modification on the bearer.

Step 630: The SGSN sends a delete session message to the source SGW, to notify the source SGW to release the bearer. Optionally, in step 612, the handover request message (HO Request) does not carry the new bearer information and the NAS, that is, the eNB does not save anything, and there is no step 613. In step 619, after the eNB sends the handover completion notification (HO Notify) to the MME, the MME may send the new bearer information and the NAS information to the eNB, and the eNB sends a resource reset message to the UE according to the message.

Reconfiguration message), perform RRC Reconfiguration.

Alternatively, in step 621 and step 622, all the bearer modifications are performed, and step 626, step 627, step 628, and step 629 are not required.

For the SGSN and the SGW, the bearer modification procedure of the PDW is similar to that of the PDW. The BSC/RNC receives the RAB Assignment procedure (or the Packet Flow context procedures) to initiate the handover process. After the above step 604 Process.

FIG. 7 is a schematic diagram of a signaling procedure of a seventh embodiment of a bearer processing method according to the present invention. Referring to FIG. 7, in a scenario 3 of updating a UE and not changing the SGW in the core network device, the bearer processing method of the present invention includes the following steps:

Step 701: The PCRF sends a modify bearer request message to the PDW.

The modified bearer request message is specifically an IP-CAN Session message, and is required to modify the bearer, and may also carry information of a service type or a name.

Step 702: The PDW sends a modify bearer request message to the SGW.

Specifically, the tampering request may be an update bearer request message or a Create Bearer Request to establish a second bearer. The following steps are performed by modifying the bearer, and the second bearer has a similar process, and the service type information and the service name may be used. At least one of information, bandwidth information, and rate information. At this time, the bearer parameters on the PDW have not been acknowledged and cannot be modified.

Step 703: The SGW sends an update bearer request message to the SGSN, requesting bearer modification. The modify bearer request message may include at least one of service type information, service name information, bandwidth information, and rate information. At this time, the bearer parameters on the SGW have not been answered and cannot be modified.

Step 704: The SGSN sends a Modify Bearer Request (RAB Assignment procedure / Packet flow context procedures) to the BSC/RNC, and requests modification of the bearer. The modify bearer request message may include at least one of service type information, service name information, and bandwidth/rate information.

Step 705: The BSC/RNC sends a first handover response message to the SGSN.

Specifically, after the BSC/RNC receives the modify bearer request, if it decides to switch to another system, the handover process is initiated. Sending a first handover response message to the SGSN, the first handover response message further includes modifying the bearer information and/or corresponding indication after switching to the target cell.

Step 706: The SGSN sends an Update Bearer Response message to the SGW, and the modified bearer response message has an indication that the corresponding bearer is temporarily suspended, and the SGSN is modified after the waiting.

Step 707: The SGW sends a modify bearer response message to the PDW.

Step 708: The PDW sends a modify bearer response message to the PCRF.

Specifically, the PDW sends a modify bearer response message to the PCRF to tell the PCRF to suspend the bearer and wait for modification. The above steps 706, 707, 708 may or may not be available. When not, proceed to step 709.

Step 709: The SGSN sends a forward relocation request message to the MME to perform a handover request. The forward relocation request message includes all the established bearers on the source side and an indication that the bearer is to be modified and a new bearer is established after the handover. The sequence of step 706, step 707, step 708 and step 709 are not limited.

Step 710: Send a second handover request message (HO Request) to the eNB, where the second handover request message includes bearer information used by the source side, and new bearer information that needs to be established after the handover, and NAS information (session manager request, etc.) And instructions for modifying the bearer after switching. The NAS information is to inform the UE to establish a new bearer, and corresponding bearer parameters, session management parameters, and the like. The session management parameters generally include: gateway address, service type, rate, network type, ΑΡΝ (Access Point Name), and so on. Step 711: The eNB receives the second handover request message, and the eNB performs radio resource adaptation on the used bearer and the new bearer on the source side to obtain the radio bearer information and the new radio bearer information that are used by the source side.

Step 712: The eNB sends a handover response message (HO Request Ack) to the MME.

Specifically, the HO Request Ack includes a transparent container and NAS information of the adapted radio resource adaptation information (NAS information may also be included in the container).

Step 713: The MME returns a Forward Relocation Response message to the SGSN, and sends the transparent container and the NAS information including the radio resource information to the transit eNB (or the NAS information is also included in the transparent container).

Step 714: The SGSN sends a handover message to the BSC/RNC.

Specifically, the handover message includes a transparent container and NAS information of the radio resource information prepared by the eNB (or the NAS information is also included in the transparent container).

Step 715: The BSC/RNC sends a handover command to the UE.

Specifically, the switching command includes a transparent container of radio resources and NAS information (or the NAS information is also included in the transparent container).

Step 716: The UE sends a handover complete message to the eNB.

Specifically, the UE performs access in the target measurement, and if the access is successful, sends a handover complete message to the eNB.

Step 717: The eNB sends a handover completion notification (HO Notify) to the MME.

Step 718: The MME sends a modify bearer notification message to the SGW, and notifies the SGW to perform the modification of the bearer just suspended.

Step 719: The SGW sends a modify bearer notification message to the PDW, and notifies the PDW to perform the modification of the bearer just suspended.

Step 720: The PDW sends a modify bearer notification message to the PCRF to notify the PCRF to carry the modification response, and the bearer modification performed by the PCRF.

For the SGSN and the SGW, the bearer modification procedure of the PDW is similar to that of the PDW. The BSC/RNC receives the RAB Assignment procedure (or the Packet Flow context procedures) to initiate the handover process. After the above step 704 Process.

FIG. 8 is a schematic diagram of a signaling flow according to Embodiment 8 of a bearer processing method according to the present invention. Referring to FIG. 8, In the scenario 4 of the new UE and the mobility management entity that needs to relocate the SGW in the core network device, the bearer processing method of the present invention includes the following steps:

Step 801: The PCRF sends a modify bearer request message to the PDW.

Specifically, the modified bearer request is specifically an IP-CAN Session message, and the modified bearer is required to be modified, and may further include at least one of service type information, service name information, bandwidth information, and rate information.

Step 802: The PDW sends a modify bearer request message to the source SGW.

Specifically, the modify bearer request message may be an update bearer request message or a Create Bearer Request to establish a second bearer. The following takes the bearer modification as an example to establish a second bearer with a similar process, and the modify bearer request message may include a service. At least one of type information, service name information, bandwidth information, and rate information. At this time, the bearer parameters on the PDW have not been acknowledged and cannot be modified.

Step 803: The source SGW sends an update bearer request message to the SGSN to request the bearer modification. The modify bearer request message may include at least one of service type information, service name information, bandwidth information, and rate information. At this time, the bearer parameters on the source SGW have not been answered and cannot be modified.

Step 804: The SGSN sends a Modify Bearer Request (RAB Assignment procedure / Packet flow context procedures) to the BSC/RNC to modify the bearer. The modify bearer request message may include at least one of service type information, service name information, bandwidth information, and rate information.

Step 805: The BSC/RNC sends a first handover response message to the SGSN.

After the BSC/RNC receives the modify bearer request, if it decides to switch to another system, then the handover process is initiated. Sending a first handover response message to the SGSN, where the first handover response message further includes modifying the bearer information and/or corresponding indication after switching to the target cell.

Step 806: The SGSN sends an Update Bearer Response message to the source SGW, with an indication that the corresponding bearer is temporarily suspended, and indicates that the SG is modified after the waiting.

Step 807: The source SGW sends a modify bearer response message to the PDW.

Specifically, the source SGW sends the modified bearer response to the PDW.

Step 808: The PDW sends a modify bearer response message to the PCRF. Specifically, the PDW sends a modify bearer response message to the PCRF, and tells the PCRF to suspend the bearer and wait for modification. The above steps 806, 807, 808 can be used with or without. When not, proceed to step 809.

Step 809: The SGSN sends a forward relocation request to the MME to perform a handover request. The forward relocation request includes all the established bearers on the source side and an indication that the bearer is to be modified and a new bearer is established after the handover, where step 806, step 807, step

The order of 808 and step 809 is not limited.

Step 810: Send a create session request message to the target SGW.

Specifically, if the SGW is determined to be relocated, a Create Session Request message (Create Session Request) is sent to the target SGW to establish a bearer channel.

Step 811: The target SGW sends a create session response message to the MME.

Step 812: Send a second handover request message (HO Request) to the eNB. Specifically, the second handover request message includes the bearer information used by the source side, and the new bearer information that needs to be established after the handover, and the NAS information (session manager) Request, etc., and instructions for modifying the bearer after switching.

The NAS information is to inform the UE to establish a new bearer, and corresponding bearer parameters, session management parameters, and the like. The session management parameters generally include: gateway address, service type, rate, network type, APN (Access Point Name), and so on.

Step 813: The eNB receives the second handover request message, and the eNB performs radio resource adaptation on the bearer and the new bearer used by the source side to obtain the radio bearer information and the new radio bearer information that are used by the source side.

Step 814: The eNB sends a handover response message (HO Request Ack) to the MME.

Specifically, the HO Request Ack includes a transparent container and NAS information of the adapted resource adaptation information (NAS information may also be included in the transparent container).

Step 815: The MME returns a Forward Relocation Response message to the SGSN, and sends the transparent container and the NAS information including the radio resource information to the transit eNB (or the NAS information is also included in the transparent container).

Step 816: The SGSN sends a handover message to the BSC/RNC.

Step 817: The BSC/RNC sends a handover command to the UE. Specifically, the handover command includes a transparent container of radio resources and NAS information (the NAS information may also be included in the transparent container).

Step 818: The UE sends a handover complete message to the eNB.

Step 819: The eNB sends a handover completion notification message (HO Notify) to the MME.

Step 820: The MME sends a handover complete notification message (Forward Ack) to the SGSN to notify the SGSN that the handover is complete, and the SGSN may release the bearer information of the resource Gb/Iu interface or the source SGW according to the situation.

Step 821: The MME sends a modify bearer notification message to the target SGW, and notifies the target SGW to perform bearer modification, and modifies the bearer used by the source side in the handover.

Step 822: The target SGW sends a modify bearer notification message to the PDW, and notifies the PDW to perform bearer modification, and modifies the bearer used by the source side in the handover.

Step 823: The PDW sends a modify bearer notification message to the PCRF to notify the PCRF to carry the modification response, and the bearer modification performed by the PCRF.

Step 824: The SGSN sends a delete session message to the source SGW, to notify the source SGW to release the bearer. FIG. 9 is a schematic structural diagram of a source-side network element node according to an embodiment of the present invention. It should be noted that, when GERAN or UTRAN performs handover to LTE, the source-side network element node may be a BSC or an RNC, and the LTE to the GERAN or When the UTRAN performs handover, the source side network element node may be an eNB. As shown in FIG. 9, the source side network element node in this embodiment may include: a receiving module 901 and a sending module 902.

The receiving module 901 is configured to receive a modified bearer request message that is sent by the core network device and includes the service information.

The service information includes at least one of service type information, service name information, bandwidth information, and rate information.

The sending module 902 is configured to send, by the network device according to the service information received by the receiving module 901, a first handover request message that includes a modified bearer indication to the core network device.

The receiving module 901 is further configured to receive a handover message that is sent by the core network device and includes radio bearer information.

The radio bearer information is radio bearer information that has been used on the source side, or radio bearer information and new radio bearer information that have been used on the source side. The sending module 902 is further configured to: after the receiving module 901 receives the handover message, send a handover command including the radio bearer information to the user equipment UE, so that the UE performs network handover.

Optionally, when the radio bearer information is the radio bearer information and the new radio bearer information that are used by the source side,

The handover message also includes non-access stratum NAS information.

The switch command also includes NAS information.

The NAS information includes bearer parameters and/or session management parameters.

The source side network element node provided in this embodiment can be used to perform the technical solution of the first embodiment of the bearer processing method of the present invention, and implements network switching, and the service bearer is modified, thereby improving the service processing speed and ensuring the speed. The quality of service of the business.

FIG. 10 is a schematic structural diagram of a target side network element node according to an embodiment of the present invention. It should be noted that when GERAN or UTRAN performs handover to LTE, the target side network element node may be an eNB; when LTE switches to GERAN or UTRAN The source target side network element node may be a BSC or an RNC. As shown in FIG. 10, the target side network element node includes: a receiving module 1001, a radio resource adaptation module 1002, and a sending module 1003, which are specifically described below.

The receiving module 1001 is configured to receive, by the core network device, a second handover request message that includes the bearer information, where the bearer information is bearer information that is used by the source side.

The radio resource adaptation module 1002 is configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiving module 1001 to obtain radio bearer information.

The sending module 1003 is configured to send, to the core network device, a handover response message that includes the radio bearer information obtained by the radio resource adaptation module 1002, and trigger the core network device to send a handover message that includes radio bearer information to the source side network element node.

The receiving module 1001 is further configured to receive a handover complete message sent by the user equipment UE.

The sending module 1003 is further configured to: after the receiving module 1001 receives the handover complete message sent by the UE, send the handover complete notification message to the core network device.

The receiving module 1001 is further configured to receive a bearer modification message that is sent by the core network device and includes the new bearer information and the non-access stratum NAS information, where the NAS information includes a bearer parameter and/or a session management parameter.

The radio resource adaptation module 1002 is further configured to perform radio resource adaptation on the new bearer information received by the receiving module 1001 to obtain new radio bearer information.

The sending module 1003 is further configured to send, to the UE, a new one that is obtained by the wireless resource adaptation module 1002. A resource reset message for radio bearer information and NAS information.

The receiving module 1001 is further configured to receive a resource reset response message sent by the UE.

The sending module 1003 is further configured to: after the receiving module 1001 receives the resource reset response message, send a modify bearer notification message to the core network device, so that the core network device modifies the new bearer information.

The target side network element node provided in this embodiment may be used to implement the technical solution of the first embodiment of the present invention. The implementation principle and the technical effect are similar, and details are not described herein again.

FIG. 11 is a schematic structural diagram of a core network device according to an embodiment of the present invention. As shown in FIG. 11, the method includes: a first sending module 1101, a first receiving module 1102, a second sending module 1103, and a second receiving module 1104, which are specifically as follows: Said.

The first sending module 1101 is configured to send, to the source side network element node, a modify bearer request message that includes service information.

The first receiving module 1102 is configured to receive a first handover request message that is sent by the source network element node and includes a modified bearer indication.

The second sending module 1103 is configured to send, to the target side network element node, a second switching request message that includes the bearer information, where the bearer information is bearer information that has been used by the source side.

The second receiving module 1104 is configured to receive a handover response message that is sent by the target side network element node and includes radio bearer information.

The first sending module 1101 is further configured to send, to the source network element node, a handover message that includes the radio bearer information received by the second receiving module 1104, and trigger the source side network element node to send a handover command that includes the radio bearer information to the user equipment UE.

The second receiving module 1104 is further configured to receive a handover completion notification message sent by the target side network element node.

The second sending module 1103 is further configured to send a bearer modification message including the new bearer information and the non-access stratum NAS information to the target side network element node, so that the target side network element node performs radio resource adaptation on the new bearer information, the NAS The information contains bearer parameters and/or session management parameters.

The second receiving module 1104 is further configured to receive the modified bearer notification message sent by the target side network element node, and perform bearer modification.

The second receiving module 1104 is specifically configured to: Modify the new bearer information; or,

The bearer information and the new bearer information that have been used on the source side are uniformly modified.

Optionally, when the second receiving module 1104 is specifically configured to modify the new bearer information, the second receiving module 1104 is further configured to:

Further, the first receiving module 1102 is further configured to:

According to the modified bearer indication in the first handover request message, the bearer information and/or the new bearer information used by the originating side are suspended, and the modification is awaited.

Optionally, the core network device includes a first network element node, a second network element node, and a source server gateway.

SGW and target SGW,

The first network element node includes: a first sending module 1101 and a first receiving module 1102.

The second network element node includes: a second sending module 1103 and a second receiving module 1104.

Further, the second sending module 1103 is further configured to: before sending the second handover request message that includes the bearer information to the target side network element node, send a create session request message to the target SGW to establish a new bearer channel;

The second receiving module 1104 is further configured to receive a create session response message sent by the target SGW. Further, the second sending module 1103 is further configured to: after receiving the handover complete notification message, send a handover complete notification message to the first network element node, so that the first network element node notifies the source SGW to release the bearer after modifying the bearer information. information.

The first receiving module 1102 is further configured to receive a handover completion notification message sent by the second network element node, and modify the bearer information.

The first sending module 1101 is further configured to: after the first receiving module 1102 receives the handover complete notification message, send a message to notify the source SGW to release the bearer information.

It should be noted that, in the process of switching the network and modifying the bearer, for the core network device, the core network device MME needs to relocate the core network device SGW. Then, after the first receiving module 1102 receives the handover response message that is sent by the source network element node and includes the modified bearer indication, the MME in the core network device sends a create session request message to the target SGW in the core network device to establish a new Carrying a channel. The target SGW is configured to send a create session response message to the MME to respond. Complete network switching at the UE and the core network equipment is inherited After the information is modified, the MME sends a handover completion notification to the SGSN in the core network device, so that the MME sends a delete bearer message to the source SGW to notify the core network device. The source SGW in the middle releases the bearer information.

The core network device provided in this embodiment can be used to implement the technical solution of the first embodiment of the bearer processing method of the present invention, which implements network switching, and modifies the service bearer, improves the service processing speed, and ensures the service of the service. quality.

FIG. 12 is a schematic structural diagram of another target side network element node according to an embodiment of the present invention. As shown in FIG. 12, the method includes: a receiving module 1201, a radio resource adaptation module 1202, and a sending module 1203.

The receiving module 1201 is configured to receive, by the core network device, a second handover request message that includes the bearer information, where the bearer information is used by the source side and the new bearer information.

The radio resource adaptation module 1202 is configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiving module 1201, to obtain radio bearer information.

The sending module 1203 is configured to send, to the core network device, a handover response message that includes the radio bearer information obtained by the radio resource adaptation module 1202, and trigger the core network device to send a handover message that includes the radio bearer information to the source network element node.

The receiving module 1201 is further configured to receive a handover complete message sent by the user equipment UE. The sending module 1203 is further configured to: after the receiving module 1201 receives the handover complete message sent by the UE, send the handover complete notification message to the core network device.

The radio resource adaptation module 1202 is specifically configured to:

And performing radio resource adaptation on the bearer information and the new bearer information used by the source side in the second handover request message received by the receiving module, to obtain radio bearer information, where the radio bearer information is the radio bearer information used by the source side and the new radio bearer. information.

The second handover request message further includes non-access stratum NAS information.

The handover response message also contains NAS information.

The NAS information contains bearer parameters and/or session management parameters.

Optionally, when the second handover request message further includes non-access stratum NAS information, the radio resource adaptation module 1202 is specifically configured to:

And performing radio resource adaptation on the bearer information used by the source side according to the second handover request message received by the receiving module 1201, and obtaining radio bearer information, where the radio bearer information is used by the source side; and storing the new bearer information and the NAS Information; or, Radio resource adaptation is performed on the bearer information and the new bearer information that have been used on the source side, and the radio bearer information and the new radio bearer information are obtained, and the radio bearer information is the radio bearer information used by the source side; the new radio bearer information and the NAS information are saved.

Further, the radio resource adaptation module 1202 is further configured to: after the sending module 1203 sends the handover completion notification message to the core network device, perform radio resource adaptation on the saved new bearer information, obtain new radio bearer information, and acquire the NAS. Or; when the new radio bearer information and the NAS information are saved, after the sending module sends the handover completion notification message to the core network device, acquiring new radio bearer information and NAS information;

The sending module 1203 is further configured to: after the radio resource adaptation module 1202 obtains the new radio bearer information, send a resource reset message that includes the new radio bearer information and the NAS information to the UE;

The receiving module 1201 is further configured to: after the sending module 1203 sends the resource reset message, receive a resource reset response message sent by the UE;

The sending module 1203 is further configured to: after the receiving module 1201 receives the resource reset response message, send a modify bearer notification message to the core network device, so that the core network device modifies the new bearer information.

The target side network element node provided in this embodiment can be used to implement the technical solution of the second embodiment of the bearer processing method of the present invention, which implements network switching and modifies the service bearer, improves the service processing speed, and ensures the service. Quality of service.

FIG. 13 is a schematic structural diagram of another core network device according to an embodiment of the present invention. As shown in FIG. 13, the method includes: a first sending module 1301, a first receiving module 1302, a second sending module 1303, and a second receiving module 1304.

The first sending module 1301 is configured to send a modify bearer request message including service information to the source side network element node.

The first receiving module 1302 is configured to receive a first handover request message that is sent by the source network element node and includes a modified bearer indication.

The second sending module 1303 is configured to send, to the target side network element node, a second switching request message that includes the bearer information, where the bearer information is used by the source side and the new bearer information.

The second receiving module 1304 is configured to receive a handover response message that is sent by the target side network element node and includes radio bearer information.

The first sending module 1301 is further configured to send, to the source network element node, a handover message that includes the radio bearer information received by the second receiving module 1304, and trigger the source side network element node to send the packet to the user equipment UE. A switching command containing radio bearer information.

The second receiving module 1304 is further configured to receive a handover completion notification message sent by the target side network element node, and perform bearer modification.

The second receiving module 1304 is specifically configured to:

Modify the new bearer information; or,

Optionally, when the second receiving module 1304 is specifically configured to modify the new bearer information, the second receiving module 1304 is further configured to:

Optionally, the first receiving module 1302 is further configured to:

Optionally, the core network device includes a first network element node, a second network element node, a source server gateway SGW, and a target SGW.

The first network element node includes: a first sending module 1301 and a first receiving module 1302;

The second network element node includes: a second sending module 1303 and a second receiving module 1304.

Further, the second sending module 1303 is further configured to: before sending the second handover request message that includes the bearer information to the target side network element node, send a create session request message to the target SGW to establish a new bearer channel;

The second receiving module 1304 is further configured to receive a create session response message sent by the target SGW. Further, the second sending module 1304 is further configured to: after receiving the handover complete notification message, send a handover complete notification message to the first network element node, so that the first network element node notifies the source SGW to release the bearer after modifying the bearer information. information.

The first receiving module 1302 is further configured to receive a handover completion notification message sent by the second network element node, and modify the bearer information.

The first sending module 1301 is further configured to: after the first receiving module 1302 receives the handover complete notification message, send a message to notify the source SGW to release the bearer information. It should be noted that, in the process of switching the network and modifying the bearer, for the core network device, the core network device MME needs to relocate the core network device SGW. Then, after the first receiving module 1302 receives the handover response message that is sent by the source network element node and includes the modified bearer indication, the MME in the core network device sends a create session request message to the target SGW in the core network device to establish a new Carrying a channel. The target SGW is configured to send a create session response message to the MME to respond. After the UE completes the network handover and the core network device modifies the bearer information, the MME sends a handover completion notification to the SGSN in the core network device, so that the SGSN notifies the core bearer to modify the bearer information, and the MME sends the source SGW to the source SGW. The delete bearer message is sent to notify the source SGW in the core network device to release the bearer information.

The core network device provided by this embodiment may be used to implement the technical solution of the second embodiment of the bearer processing method of the present invention. The implementation principle and technical effects are the same, and details are not described herein again.

The embodiment of the present invention provides a bearer processing system, including: a source side network element node as shown in FIG. 9, a target side network element node as shown in FIG. 10, and a core network device as shown in FIG.

The embodiment of the present invention provides another bearer processing system, including: a source side network element node as shown in FIG. 9, a target side network element node as shown in FIG. 12, and a core network device as shown in FIG.

FIG. 14 is a schematic structural diagram of a source-side network element node according to an embodiment of the present invention. It should be noted that, when GERAN or UTRAN performs handover to LTE, the source-side network element node may be a BSC or an RNC, and the LTE to GERAN or When the UTRAN performs handover, the source side network element node may be an eNB. As shown in FIG. 14, the source side network element node of this embodiment may include: a receiver 1401, a transmitter 1402, and a processor 1403.

The receiver 1401 is configured to receive a modify bearer request message that is sent by the core network device and includes the service information.

The processor 1403 is configured to determine when performing network switching according to the service information received by the receiver 1401.

The transmitter 1402, after the processor 1403 determines to perform the network handover according to the service information received by the receiver 1401, sends a first handover request message including the modified bearer indication to the core network device.

The receiver 1401 is further configured to receive a handover message that is sent by the core network device and includes radio bearer information. The radio bearer information is radio bearer information that has been used on the source side, or radio bearer information and new radio bearer information that have been used on the source side.

The transmitter 1402 is further configured to: after the receiver 1401 receives the handover message, send a handover command including the radio bearer information to the user equipment UE, so that the UE performs network handover.

The handover message also includes non-access stratum NAS information;

The switching command also includes NAS information;

FIG. 15 is a schematic structural diagram of a target side network element node according to an embodiment of the present invention. It should be noted that when GERAN or UTRAN performs handover to LTE, the target side network element node may be an eNB; when LTE switches to GERAN or UTRAN The source target side network element node may be a BSC or an RNC. As shown in FIG. 15, the target side network element node includes: a receiver 1501, a processor 1502, and a transmitter 1503, as described below.

The receiver 1501 is configured to receive, by the core network device, a second handover request message that includes the bearer information, where the bearer information is bearer information that is used by the source side.

The processor 1502 is configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiver 1501 to obtain radio bearer information.

The transmitter 1503 is configured to send, to the core network device, a handover response message that includes the radio bearer information obtained by the processor 1502, and trigger the core network device to send, to the source side network element node, a handover message that includes the radio bearer information.

The receiver 1501 is further configured to receive a handover complete message sent by the user equipment UE.

The transmitter 1503 is further configured to: after the receiver 1501 receives the handover complete message sent by the UE, send a handover complete notification message to the core network device;

The receiver 1501 is further configured to receive, by the core network device, a bearer modification message that includes new bearer information and non-access stratum NAS information, where the NAS information includes bearer parameters and/or session management parameters, and the processor 1502 is further configured to receive The new bearer information received by the device 1501 is suitable for wireless resources. Match, obtain new radio bearer information;

The transmitter 1503 is further configured to send, to the UE, a resource reset message that includes the new radio bearer information and the NAS information obtained by the processor 1502.

The receiver 1501 is further configured to receive a resource reset response message sent by the UE.

The transmitter 1503 is further configured to send a modify bearer notification message to the core network device after the receiver 1501 receives the resource reset response message, so that the core network device modifies the new bearer information.

FIG. 16 is a schematic structural diagram of a core network device according to an embodiment of the present invention. As shown in FIG. 16, the method includes: a transmitter 1601, a receiver 1602, and a processor 1603, which are specifically described below.

The transmitter 1601 is configured to send, to the source side network element node, a modified bearer request message that includes service information.

The receiver 1602 is configured to receive a first switching request message that is sent by the source network element node and includes a modified bearer indication.

The transmitter 1601 is further configured to send, to the target side network element node, a second handover request message that includes the bearer information, where the bearer information is bearer information that has been used by the source side.

The receiver 1602 is further configured to receive a handover response message that is sent by the target side network element node and includes radio bearer information.

The transmitter 1601 is further configured to send, to the source network element node, a handover message that includes the radio bearer information received by the receiver 1602, and trigger the source side network element node to send a handover command including the radio bearer information to the user equipment UE.

The receiver 1602 is further configured to receive a handover completion notification message sent by the target side network element node. The transmitter 1601 is further configured to send, to the target side network element node, a bearer modification message that includes the new bearer information and the non-access stratum NAS information, so that the target side network element node performs radio resource adaptation on the new bearer information, and the NAS information includes Carrying parameters and/or session management parameters;

The receiver 1602 is further configured to receive a modify bearer notification message sent by the target side network element node, where the processor 1603 is configured to perform bearer modification.

The processor 1603 is specifically configured to: Modify the new bearer information; or,

Optionally, when the receiver 1102 is specifically configured to modify the new bearer information, the receiver 1602 is further configured to:

Further, the receiver 1602 is further configured to:

It should be noted that, in the process of switching the network and modifying the bearer, for the core network device, the core network device MME needs to relocate the core network device SGW. Then, after the receiver 1602 receives the handover response message including the modified bearer indication sent by the source network element node, the MME in the core network device sends a create session request message to the target SGW in the core network device to establish a new bearer channel. . The target SGW is configured to send a create session response message to the MME to respond. After the UE completes the network handover and the core network device modifies the bearer information, the MME sends a handover completion notification to the SGSN in the core network device, so that the SGSN notifies the core bearer to modify the bearer information, and the MME sends the source SGW to the source SGW. The delete bearer message is sent to notify the source SGW in the core network device to release the bearer information.

FIG. 17 is a schematic structural diagram of another target side network element node according to an embodiment of the present invention. As shown in FIG. 17, the method includes: a receiver 1701, a processor 1702, and a transmitter 1703.

The receiver 1701 is configured to receive, by the core network device, a second handover request message that includes the bearer information, where the bearer information is used by the source side and the new bearer information.

The processor 1702 is configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiver 1701 to obtain radio bearer information.

The transmitter 1703 is configured to send, to the core network device, a handover response message that includes the radio bearer information obtained by the processor 1702, and trigger the core network device to send, to the source side network element node, a handover message that includes radio bearer information. The receiver 1701 is further configured to receive a handover complete message sent by the user equipment UE. The transmitter 1703 is further configured to: after the receiver 1701 receives the handover complete message sent by the UE, send the handover complete notification message to the core network device.

The processor 1702 is specifically configured to:

The second handover request message further includes non-access stratum NAS information;

The handover response message also includes NAS information;

Optionally, when the second handover request message further includes non-access stratum NAS information, the processor 1702 is specifically configured to:

And performing radio resource adaptation on the bearer information used by the source side according to the second handover request message received by the receiver 1701 to obtain radio bearer information, where the radio bearer information is used by the source side; and storing the new bearer information and the NAS Information; or,

Radio resource adaptation is performed on the bearer information and the new bearer information used on the source side, and the wireless bearer information and the new radio bearer information are obtained. The radio bearer information is the radio bearer information used by the source side; the new radio bearer information and the NAS information are saved.

Further, the processor 1702 is further configured to: after the transmitter 1703 sends the handover complete notification message to the core network device, perform radio resource adaptation on the saved new bearer information, obtain new radio bearer information, and obtain NAS information; or After saving the new radio bearer information and the NAS information, after the sending module sends the handover completion notification message to the core network device, acquiring new radio bearer information and NAS information;

The transmitter 1703 is further configured to send, after the processor 1702 obtains new radio bearer information, a resource reset message that includes new radio bearer information and NAS information to the UE;

The receiver 1701 is further configured to: after the transmitter 1703 sends the resource reset message, receive a resource reset response message sent by the UE;

The transmitter 1703 is further configured to send a modify bearer notification message to the core network device after the receiver 1701 receives the resource reset response message, so that the core network device modifies the new bearer information.

The target side network element node provided in this embodiment may be used to implement the bearer processing method of the present invention. The technical solution of the second embodiment realizes the network switching, and the service bearer is modified, the service processing speed is improved, and the service quality of the service is ensured.

FIG. 18 is a schematic structural diagram of another core network device according to an embodiment of the present invention. As shown in FIG. 18, the method includes: a transmitter 1801, a receiver 1802, and a processor 1803.

The transmitter 1801 is configured to send, to the source side network element node, a modified bearer request message that includes service information.

The receiver 1802 is configured to receive a first switching request message that is sent by the source side network element node and includes a modified bearer indication.

The transmitter 1801 is further configured to send, to the target side network element node, a second handover request message that includes the bearer information, where the bearer information is used by the source side and the new bearer information.

The receiver 1802 is further configured to receive a handover response message that is sent by the target side network element node and includes radio bearer information.

The transmitter 1801 is further configured to send, to the source network element node, a handover message that includes the radio bearer information received by the receiver 1802, and trigger the source side network element node to send a handover command including the radio bearer information to the user equipment UE.

The receiver 1802 is further configured to receive a handover completion notification message sent by the target side network element node. The processor 1803 is configured to perform bearer modification.

The processor 1803 is specifically configured to:

Modify the new bearer information; or,

Optionally, when the processor 1803 is specifically configured to modify the new bearer information, the processor 1803 is further configured to:

Optionally, the receiver 1802 is further configured to:

It should be noted that, in the process of switching the network and modifying the bearer, the core network is set. The internal network device MME may need to relocate the core network device SGW. Then, after the receiver 1802 receives the handover response message sent by the source network element node and includes the modified bearer indication, the MME in the core network device sends a create session request message to the target SGW in the core network device to establish a new bearer channel. . The target SGW is configured to send a create session response message to the MME to respond. After the UE completes the network handover and the core network device modifies the bearer information, the MME sends a handover completion notification to the SGSN in the core network device, so that the SGSN notifies the core bearer to modify the bearer information, and the MME sends the source SGW to the source SGW. The delete bearer message is sent to notify the source SGW in the core network device to release the bearer information.

In the bearer processing method provided by the embodiment, the source side network element node receives the modified bearer request message that is sent by the core network device and includes the service information, and then the source side network element node determines that the network switch needs to be performed according to the service information, and finally the source The side network element node sends a handover response message including the modified bearer indication to the core network device, which implements the network handover and modifies the service bearer, improves the service processing speed, and ensures the service quality of the service.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Finally, it should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting thereof; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

claims

1. A load-bearing processing method, characterized by including:

The source side network element node receives the modification bearer request message containing service information sent by the core network device;

When the source-side network element node decides to perform network switching based on the service information, send a first switching request message containing a bearer modification indication to the core network device;

The source side network element node receives a handover message containing radio bearer information sent by the core network device;

The source side network element node sends a switching command including the radio bearer information to the user equipment UE, so that the UE performs network switching.

2. The method according to claim 1, characterized in that the radio bearer information is radio bearer information used by the source side, or radio bearer information used by the source side and new radio bearer information.

3. The method according to claim 2, characterized in that when the radio bearer information is the radio bearer information used by the source side and the new radio bearer information,

The handover message also includes non-access layer NAS information;

The switching command also includes the NAS information;

4. The method according to any one of claims 1 to 3, characterized in that the service information includes at least one of service type information, service name information, bandwidth information and rate information.

5. A load-bearing processing method, characterized by including:

The target side network element node receives the second handover request message containing bearer information sent by the core network device, where the bearer information is the bearer information used by the source side;

The target side network element node performs wireless resource adaptation on the bearer information to obtain wireless bearer information;

The target side network element node receives the bearer modification message containing new bearer information and non-access layer NAS information sent by the core network device, and performs radio resource adaptation on the new bearer information to obtain new radio bearer information, The NAS information includes bearer parameters and/or session management parameters; The target side network element node sends a resource reset message including the new radio bearer information and the NAS information to the UE;

The target side network element node receives the resource reset response message sent by the UE; the target side network element node sends a modification bearer notification message to the core network device, so that the core network device modifies the new bearer information.

6. A load-bearing processing method, characterized by including:

The core network device sends a bearer modification request message containing service information to the source-side network element node; the core network device receives the first handover request message containing a bearer modification indication sent by the source-side network element node;

The core network device receives the handover completion notification message sent by the target side network element node; the core network device sends a bearer modification message including new bearer information and non-access layer NAS information to the target side network element node, So that the target side network element node performs wireless resource adaptation to the new bearer information, where the NAS information includes bearer parameters and/or session management parameters; the core network device receives the information sent by the target side network element node. Modify the bearer notification message to modify the bearer.

7. The method according to claim 6, wherein the carrying modification includes:

Modify the new bearer information; or,

The used bearer information and the new bearer information on the source side are modified uniformly.

8. The method according to claim 7, wherein when the bearer modification includes modifying the new bearer information, the core network device receives the handover completion message sent by the target side network element node. After the notification message, it also includes:

The core network device modifies the bearer information used by the source side.

9. The method according to any one of claims 6 to 8, characterized in that, after the core network device receives the first handover request message containing the bearer modification indication sent by the source-side network element node, it further includes:

The core network device suspends the used bearer information and/or the new bearer information on the source side according to the bearer modification indication, and waits for modification.

10. The method according to any one of claims 6 to 9, characterized in that when the core network device includes a first network element node, a second network element node, a source server gateway SGW and a target SGW hour,

The first network element node receives the first handover request message sent by the source-side network element node; the second network element node sends a second handover request message containing bearer information to the target-side network element node;

11. The method according to claim 10, characterized in that, before the second network element node sends the second handover request message containing bearer information to the target side network element node, it further includes:

12. The method according to claim 10 or 11, characterized in that, after the second network element node receives the handover completion notification message sent by the target side network element node, it further includes: the second network element The node sends the handover completion notification message to the first network element node, so that the first network element node notifies the source SGW in the core network device to release the bearer information after modifying the bearer information.

13. The method according to any one of claims 6 to 12, characterized in that the service information includes: at least one of service type information, service name information, bandwidth information and rate information.

14. A load-bearing processing method, characterized by including:

The target side network element node receives the second handover request message containing bearer information sent by the core network device, where the bearer information is the used bearer information and new bearer information on the source side;

The target side network element node sends a handover response message containing the radio bearer information to the core network device, triggering the core network device to send a handover message containing the radio bearer information to the source side network element node;

The target side network element node receives the handover completion message sent by the user equipment UE, and sends the The core network device sends a handover completion notification message.

15. The method according to claim 14, characterized in that the target side network element node performs wireless resource adaptation on the bearer information to obtain the wireless bearer information, including:

The target side network element node performs radio resource adaptation on the source side used bearer information and the new bearer information to obtain the radio bearer information, where the radio bearer information is the source side used radio bearer information. and new radio bearer information.

16. The method according to claim 15, characterized in that,

The second handover request message also includes non-access stratum NAS information;

The handover response message also includes the NAS information;

17. The method according to claim 14, wherein when the second handover request message also contains non-access stratum NAS information, the target side network element node performs radio resource adaptation on the bearer information. , obtain wireless bearer information, including:

The target side network element node performs wireless resource adaptation on the bearer information used by the source side, and obtains the wireless bearer information. The wireless bearer information is the wireless bearer information used by the source side; and saves the new bearer. information and the NAS information; or,

The target side network element node performs wireless resource adaptation on the source side used bearer information and new bearer information, and obtains the radio bearer information and new radio bearer information. The radio bearer information is the source side used bearer information. Radio bearer information; save the new radio bearer information and the NAS information.

18. The method according to claim 17, characterized in that, after the target side network element node sends a handover completion notification message to the core network device, it further includes:

When saving the new bearer information and the NAS information, the target network element node performs radio resource adaptation on the saved new bearer information, obtains the new radio bearer information, and obtains the NAS information; or, When saving the new radio bearer information and the NAS information, obtain the new radio bearer information and the NAS information;

The target side network element node sends a resource reset message including the new radio bearer information and the NAS information to the UE;

19. A load-bearing processing method, characterized by including:

The core network device sends a second handover request message containing bearer information to the target side network element node, where the bearer information is the used bearer information and new bearer information on the source side;

The core network device receives a handover response message containing radio bearer information sent by the target side network element node;

The core network device sends a switching message containing the radio bearer information to the source-side network element node, triggering the source-side network element node to send a switching command containing the radio bearer information to the user equipment UE;

The core network device receives the handover completion notification message sent by the target side network element node and performs bearer modification.

20. The method according to claim 19, wherein after the core network device receives the first handover request message containing the bearer modification indication sent by the source-side network element node, it further includes:

21. The method according to claim 19 or 20, wherein the second handover request message further includes: non-access layer NAS information, and the NAS information includes bearer parameters and/or session management parameters.

22. The method according to claim 19 or 20, characterized in that when the radio bearer information in the handover response message is the radio bearer information used by the source side and the new radio bearer information, and the handover response When the message does not include NAS information, before the core network device sends the handover message containing the radio bearer information to the source-side network element node, it further includes: the core network device adds the NAS information to the Switch within the message.

23. The method according to any one of claims 19 to 22, characterized in that the core network device receives the handover completion notification message sent by the target side network element node and performs bearer modification, including: When the radio bearer information in the handover response message is the radio bearer information used by the source side and the new radio bearer information, the core network device receives the handover completion notification message sent by the target side network element node, and modifies The bearer information used by the source side and the new bearer information; or,

When the radio bearer information in the handover response message is the radio bearer information used by the source side, the core network device receives the handover completion notification message sent by the target side network element node, and modifies the source side used radio bearer information. The bearer information used.

24. The method according to claim 23, wherein when the radio bearer information in the handover response message is the radio bearer information used by the source side, after the bearer modification is performed, it further includes:

The core network device receives the bearer modification notification message sent by the target side network element node, and modifies the new bearer information.

25. The method according to any one of claims 19 to 24, characterized in that when the core network device includes a first network element node, a second network element node, a source server gateway SGW and a target SGW,

26. The method according to claim 25, characterized in that, before the second network element node sends the second handover request message containing bearer information to the target side network element node, it further includes:

The second network element node sends a create session request message to the target server gateway SGW in the core network device to establish a new bearer channel;

27. The method according to claim 25 or 26, characterized in that, after the second network element node receives the handover completion notification message sent by the target side network element node, it further includes: the second network element The node sends the handover completion notification message to the first network element node, So that the first network element node notifies the source SGW to release the bearer information used by the source side after performing bearer modification.

28. The method according to any one of claims 19 to 27, characterized in that the service information includes: at least one of service type information, service name information, bandwidth information and rate information.

29. A source-side network element node, characterized by including:

The receiving module is used to receive the modification bearer request message containing business information sent by the core network equipment;

The sending module is configured to send a first switching request message containing a bearer modification instruction to the core network device when a network switching is decided based on the service information received by the receiving module; the receiving module is also configured to receive the Handover message containing radio bearer information sent by core network equipment;

The sending module is also configured to send a switching command including the radio bearer information to the user equipment UE after the receiving module receives the switching message, so that the UE performs network switching.

30. The source side network element node according to claim 29, wherein the wireless bearer information is the wireless bearer information used by the source side, or the wireless bearer information used by the source side and the new wireless bearer information.

31. The source side network element node according to claim 30, characterized in that when the radio bearer information is the radio bearer information used by the source side and the new radio bearer information,

The handover message also includes non-access layer NAS information;

The switching command also includes the NAS information;

32. The source-side network element node according to any one of claims 29-31, characterized in that the service information includes at least one of service type information, service name information, bandwidth information and rate information.

33. A target side network element node, characterized in that it includes:

A receiving module, configured to receive a second handover request message containing bearer information sent by the core network device, where the bearer information is the bearer information used by the source side;

Radio resource adaptation module, configured to respond to the second handover request received by the receiving module. Perform wireless resource adaptation based on the bearer information in the message to obtain wireless bearer information;

The receiving module is also configured to receive a bearer modification message containing new bearer information and non-access layer NAS information sent by the core network device, where the NAS information contains bearer parameters and/or session management parameters;

The wireless resource adaptation module is also configured to perform wireless resource adaptation on the new bearer information received by the receiving module, and obtain the new wireless bearer information; the obtained resources of the new wireless bearer information and the NAS information reset message;

The receiving module is further configured to receive a resource reset response message sent by the UE; the sending module is further configured to send a message to the core network device after the receiving module receives the resource reset response message. Send a modification bearer notification message to enable the core network device to modify the new bearer information.

34. A core network equipment, characterized by: including:

The first sending module is used to send a modification bearer request message containing service information to the source side network element node;

A first receiving module, configured to receive a first handover request message containing a bearer modification indication sent by the source-side network element node;

The second receiving module is used to receive the handover completion notification message sent by the target side network element node;

The second sending module is configured to send a bearer modification message including new bearer information and non-access layer NAS information to the target side network element node, so that the target side network element node performs wireless resource processing on the new bearer information. Adaptation, the NAS information includes bearer parameters and/or session management parameters;

The second receiving module is also configured to receive a bearer modification notification message sent by the target side network element node, and perform bearer modification.

35. The core network equipment according to claim 34, characterized in that the second receiving module is specifically used for:

Modify the new bearer information; or,

36. The method according to claim 35, characterized in that when the second receiving mode When the block is specifically used to modify the new bearer information, the second receiving module is also used to: after receiving the handover completion notification message sent by the target side network element node, modify the bearer used by the source side. The information is modified.

37. The core network equipment according to any one of claims 34 to 36, characterized in that the first receiving module is also used for:

According to the bearer modification indication in the first handover request message, the bearer information used by the source side and/or the new bearer information is suspended, waiting for modification.

38. The core network device according to any one of claims 34 to 37, characterized in that the core network device includes a first network element node, a second network element node, a source server gateway SGW and a target SGW,

The first network element node includes: the first sending module and the first receiving module; the second network element node includes: the second sending module and the second receiving module.

39. The core network equipment according to claim 38, characterized in that,

The second sending module is also configured to send a create session request message to the target SGW before sending a second handover request message containing bearer information to the target side network element node to establish a new 7-bearer channel;

The second receiving module is also configured to receive a create session response message sent by the target SGW.

40. The core network device according to claim 38 or 39, characterized in that, the second sending module is further configured to send the switching completion notification message to the first network element node after receiving the handover completion notification message. The handover completion notification message is used to enable the first network element node to notify the source SGW to release the bearer information after modifying the bearer information;

The first receiving module is also configured to receive the handover completion notification message sent by the second network element node, and modify the bearer information;

The first sending module is further configured to send a message to notify the source SGW to release the bearer information after the first receiving module receives the handover completion notification message.

41. The core network device according to any one of claims 34 to 40, characterized in that the service information includes: at least one of service type information, service name information, bandwidth information and rate information.

42. A carrier processing system, characterized in that it includes any one of claims 29-32 The source-side network element node described in claim 33, the target-side network element node described in claim 33, and the core network device described in any one of claims 34-41.

43. A target side network element node, characterized in that it includes:

A receiving module, configured to receive a second handover request message containing bearer information sent by the core network device, where the bearer information is the used bearer information and new bearer information on the source side;

A radio resource adaptation module, configured to perform radio resource adaptation on the bearer information in the second handover request message received by the receiving module, and obtain the radio bearer information;

A sending module, configured to send a handover response message containing the wireless bearer information obtained by the wireless resource adaptation module to the core network device, and trigger the core network device to send a handover response message containing the wireless bearer information to the source side network element node. switch message;

The receiving module is also configured to receive a handover completion message sent by the user equipment UE; the sending module is also configured to send the handover completion message to the core network device after the receiving module receives the handover completion message sent by the UE. Switch completion notification message.

44. The target side network element node according to claim 43, characterized in that the wireless resource adaptation module is specifically used for:

Perform radio resource adaptation on the bearer information used by the source side and the new bearer information in the second handover request message received by the receiving module to obtain the radio bearer information, where the radio bearer information is used by the source side radio bearer information and new radio bearer information.

45. The target side network element node according to claim 44, characterized in that the second handover request message also contains non-access layer NAS information;

The handover response message also includes the NAS information;

46. The target side network element node according to claim 43, characterized in that, when the second handover request message also contains non-access layer NAS information, the radio resource adaptation module is specifically used to:

Perform wireless resource adaptation on the bearer information used by the source side to obtain the wireless bearer information, where the wireless bearer information is the wireless bearer information used by the source side; save the new bearer information and the NAS information; or,

Perform radio resource adaptation on the used bearer information and the new bearer information on the source side to obtain the radio bearer information and the new radio bearer information, where the radio bearer information is the source side Used radio bearer information; save the new radio bearer information and the NAS information.

47. The target side network element node according to claim 46, characterized in that, the radio resource adaptation module is further configured to: when saving the new bearer information and the NAS information, send the After the core network device sends the handover completion notification message, it performs wireless resource adaptation on the saved new bearer information, obtains the new wireless bearer information, and obtains the NAS information; or, when saving the new wireless bearer information and the NAS information, after the sending module sends a switching completion notification message to the core network device, obtain the new radio bearer information and the NAS information;

The sending module is also configured to send a resource reset message containing the new radio bearer information and the NAS information to the UE after the radio resource adaptation module obtains the new radio bearer information;

The receiving module is also configured to receive the resource reset response message sent by the UE after the sending module sends the resource reset message;

The sending module is further configured to, after the receiving module receives the resource reset response message, send a modification bearer notification message to the core network device, so that the core network device modifies the new bearer. information.

48. A core network equipment, characterized by including:

A first receiving module, configured to receive a first handover request message containing a bearer modification indication sent by the source side network element node;

The second sending module is configured to send a second handover request message containing bearer information to the target side network element node, where the bearer information is the used bearer information and new bearer information on the source side;

The second receiving module is configured to receive a handover response message containing radio bearer information sent by the target side network element node;

The first sending module is also configured to send a handover message containing the radio bearer information received by the second receiving module to the source side network element node, triggering the source side network element node to send a message to the user equipment The UE sends a handover command including the radio bearer information;

The second receiving module is also configured to receive the handover completion notification message sent by the target side network element node, and perform bearer modification.

49. The core network equipment according to claim 48, characterized in that the first receiving module is also used for:

50. The core network device according to claim 48 or 49, wherein the second handover request message further includes: non-access layer NAS information, and the NAS information includes bearer parameters and/or session management parameters.

51. The core network device according to claim 48 or 49, characterized in that when the radio bearer information in the handover response message is the radio bearer information used by the source side and the new radio bearer information, and the When the handover response message does not include NAS information, the first sending module is also used to:

Before the core network device sends the switching message to the source-side network element node, the NAS information is added to the switching message.

52. The core network equipment according to any one of claims 48 to 51, characterized in that the second receiving module is specifically used for:

When the radio bearer information in the handover response message is the radio bearer information used by the source side and the new radio bearer information, the core network device receives the handover completion notification message sent by the target side network element node, and modifies The bearer information used by the source side and the new bearer information; or,

53. The core network device according to claim 52, wherein when the radio bearer information in the handover response message is the radio bearer information used by the source side,

The second receiving module is also configured to receive a modified bearer notification message sent by the target side network element node after carrying out bearer modification, and modify the new bearer information.

54. The core network device according to any one of claims 48-53, characterized in that the core network device includes a first network element node, a second network element node, a source server gateway SGW and a target SGW,

55. The core network equipment according to claim 54, characterized in that,

The second sending module is also configured to send a create session request message to the target SGW to establish a new bearer channel before sending a second handover request message containing bearer information to the target side network element node;

56. The core network device according to claim 54 or 55, characterized in that the second sending module is further configured to send the switching completion notification message to the first network element node after receiving the handover completion notification message. The handover completion notification message is used to cause the first network element node to notify the source SGW to release the bearer information used by the source side;

The first receiving module is also configured to receive the switching completion notification message sent by the second network element node and perform bearer modification;

The first sending module is further configured to send a message to notify the source SGW to release the bearer information used by the source side after the first receiving module receives the handover completion notification message.

57. The method according to any one of claims 48 to 56, characterized in that the service information includes: at least one of service type information, service name information, bandwidth information and rate information.

58. A bearer processing system, characterized in that it includes the source-side network element node according to any one of claims 29-32, the target-side network element node according to any one of claims 43-47, and claim 48 -Core network equipment described in any one of 57.