WO2017012071A1

WO2017012071A1 - User equipment switching method and apparatus

Info

Publication number: WO2017012071A1
Application number: PCT/CN2015/084673
Authority: WO
Inventors: 石小丽; 罗海燕
Original assignee: 华为技术有限公司
Priority date: 2015-07-21
Filing date: 2015-07-21
Publication date: 2017-01-26
Also published as: CN107005904A; CN107005904B

Abstract

Disclosed are a user equipment switching method and apparatus, which relate to the field of communications, and are used for solving the problem in the prior art that the user experience is relatively poor because of multi-stream aggregation service interruption caused due to the fact that multi-stream aggregation data transmission will not be performed in the switching process. The user equipment switching method provided in embodiments of the present invention comprises: a cellular network source access device determining that a UE is switched to a cellular network target access device, and sending a switching request message to the cellular network target access device, the switching request message comprising an identifier of the UE in a cellular network, wherein the identifier of the UE in the cellular network is used for instructing the cellular network target access device to perform multi-stream aggregation data transmission with the UE through a target logical function entity and a non-cellular network target access device.

Description

User equipment switching method and device

Technical field

The present invention relates to the field of communications, and in particular, to a user equipment switching method and apparatus.

Background technique

The cellular network has the advantages of wide coverage and high-speed mobile support. WLAN (Wireless Local Area Networks) has the advantages of fast data transmission rate and low cost. Based on this, a technical solution of merging the cellular network technology and the WLAN technology is proposed, that is, MSA (Mulit Stream Aggregation) is implemented between the cellular network and the WLAN. Specifically, the UE (User Equipment) accesses both the cellular network and the WLAN, and part of the data communicated between the cellular access device and the UE is transmitted by the WLAN access device, and between the cellular access device and the UE. Other data of the communication is transmitted directly between the cellular access device and the UE.

In the LTE (Long Term Evolution) cellular network, the target eNB can select a suitable WLAN access device after the UE switches from the source eNB (evolved Node B) to the target eNB, thereby performing multi-stream aggregation. Data transmission; no multi-stream aggregation data transmission during handover. In this way, the interruption of the multi-stream aggregation data transmission is caused during the handover process, which causes the multi-stream aggregation service to be interrupted and affects the user experience.

Summary of the invention

The embodiment of the present invention provides a user equipment switching method and apparatus, which are used to solve the problem that the multi-stream aggregation service is interrupted due to data transmission that does not perform multi-stream aggregation during the handover process. The problem of poor experience.

In order to achieve the above object, embodiments of the present invention adopt the following technical solutions:

The first aspect provides a user equipment switching method, including:

The cellular network source access device determines that the user equipment UE performs handover to the target access device of the cellular network;

The cellular network source access device sends a handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in the non-cellular network;

The identifier of the UE in the non-cellular network is used to indicate that the cellular network target access device performs data transmission of multi-stream aggregation between the target logical function entity and the non-cellular network target access device and the UE.

With reference to the first aspect, in a first possible implementation manner, the identifier of the UE in a non-cellular network is used to indicate that the target access device of the cellular network is connected to the target by a target logical functional entity and a non-cellular network Performing multi-stream aggregation data transmission between the UEs, including: in the process of establishing, by the cellular network target access device, a GTP-U tunnel between the cellular network target access device and the target logical function entity And transmitting, by the cellular network target access device, the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity is configured according to the identifier of the UE in the non-cellular network, Identifying whether the received data packet from the cellular network target access device is a data packet of the UE; wherein the GTP-U tunnel is used to transmit the cellular network target access device and the target logic A packet of communication between functional entities.

With reference to the first aspect, or the first possible implementation manner of the first aspect, in the second possible implementation, the handover request message further includes one or more of the following information: The cellular network measurement report, the identifier of the non-cellular network source access device, and the bearer list of the multi-stream aggregation between the cellular network source access device and the UE.

With reference to the first aspect, the first possible implementation manner of the first aspect, or the second possible implementation manner, in a third possible implementation manner, the cellular network source access After the device sends the handover request message to the target access device of the cellular network, the method further includes:

The cellular network source access device receives a handover response message sent by the target access device of the cellular network.

With reference to the third possible implementation of the first aspect, in a fourth possible implementation, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device; After the cellular network source access device receives the handover response message replied by the target access device of the cellular network, the method further includes:

The cellular network source access device stops transmitting data to the UE, and determines a to-be-released bearer list according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device; wherein the to-be-released bearer list The identifier of the bearer to be released is included;

The cellular network source access device sends a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, where the source logical function entity is configured to The data to be released is returned to the cellular network source access device; the data to be released refers to the data received by the source logical function entity for multi-stream aggregation and has not been transmitted to the UE. data;

The cellular network source access device receives the data to be released returned by the source logical function entity.

With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner, the determining, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, determining a to-be-released bearer list, include:

Determining, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, whether the target logical function entity is the same as the source logical function entity;

If the target logical function entity is different from the source logical function entity, all bearers that perform multi-flow aggregation between the cellular network source access device and the UE are used as bearer release bearers; or, if the target Logic functional entity and the source logical functional entity The same, the bearer of the multi-stream convergence between the target access device of the cellular network and the UE in the multi-stream aggregation between the cellular network source access device and the UE The other bearers outside are the bearers to be released.

With reference to the third possible implementation manner of the first aspect, in a sixth possible implementation, the handover response message includes: carrying a multi-flow aggregation between the target access device of the cellular network and the UE The method further includes: after the cellular network source access device returns a handover response message to the cellular network target access device, the method further includes:

The cellular network source access device sends a multi-flow aggregation command message to the UE, where the multi-flow aggregation command message includes a bearer list for multi-stream aggregation between the target access device of the cellular network and the UE And indicating that the UE performs multi-stream convergence reconfiguration.

With reference to the third possible implementation manner of the first aspect, in a seventh possible implementation, the handover response message includes an identifier of the non-cellular network target access device, and the cellular network source access After the device sends a handover response message to the target access device of the cellular network, the method further includes:

The cellular network source access device sends the identifier of the non-cellular network target access device or the non-cellular network access device identifier list corresponding to the target logical function entity to the UE, so that the UE accesses the The non-cellular network target access device.

With reference to the first aspect, the first possible implementation manner of the first aspect, and the seventh possible implementation manner, in the eighth possible implementation manner, the identifier of the UE in the non-cellular network includes: The medium access control MAC address of the UE in the non-cellular network, or the combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.

The second aspect provides a user equipment switching method, including:

The cellular network target access device receives the handover request message sent by the cellular network source access device, where the handover request message includes the user equipment UE in the non-cellular network. Identification

After receiving the handover request message, the cellular target access device determines a target logical function entity and a non-cellular network target access device;

The cellular network target access device establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device; wherein the GTP-U tunnel uses the cellular network target to access Performing multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE;

And in the process of establishing, by the cellular network target access device, a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, the cellular network target access device to the And the target logical function entity sends the identifier of the UE in the non-cellular network, so that the target logical function entity identifies the received target access device from the cellular network according to the identifier of the UE in the non-cellular network. Whether the data packet is a data packet of the UE.

With reference to the second aspect, in a first possible implementation manner, the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and a non-cellular network source access device. The identifier of the bearer, the bearer of the multi-stream aggregation between the cellular network source access device and the UE.

With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation, the target logical function entity and the non-cellular network target are established in the cellular network target access device After the GTP-U tunnel is accessed between the devices, the method further includes:

The cellular target access device sends a handover response message to the cellular network source access device.

With reference to the second possible implementation of the second aspect, in a third possible implementation, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device.

Combined with the second possible implementation of the second aspect, in a fourth possible implementation In the manner, the handover response message includes: a bearer list of the multi-stream aggregation between the target access device of the cellular network and the UE.

With reference to the second aspect, the first possible implementation manner of the second aspect, and the fourth possible implementation manner, in the fifth possible implementation manner, the identifier of the UE in the non-cellular network includes: The medium access control MAC address of the UE in the non-cellular network, or the combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.

A third aspect provides a cellular network access device, including: a determining unit and a sending unit;

The determining unit is configured to determine that the user equipment UE performs handover to the target access device of the cellular network;

The sending unit is configured to send the handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in a non-cellular network;

With reference to the third aspect, in a first possible implementation manner, the identifier of the UE in a non-cellular network is used to indicate that the target access device of the cellular network is connected to the target by a target logical functional entity and a non-cellular network Performing multi-stream aggregation data transmission between the UEs, including: in the process of establishing, by the cellular network target access device, a GTP-U tunnel between the cellular network target access device and the target logical function entity And transmitting, by the cellular network target access device, the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity is configured according to the identifier of the UE in the non-cellular network, Identifying whether the received data packet from the cellular network target access device is a data packet of the UE; wherein the GTP-U tunnel is used to transmit the cellular network target access device and the target logic A packet of communication between functional entities.

With reference to the third aspect, or the first possible implementation manner of the third aspect, in the second possible implementation, the handover request message further includes one or more of the following information: The cellular network measurement report, the identifier of the non-cellular network source access device, and the bearer list of the multi-stream aggregation between the cellular network access device and the UE.

With reference to the third aspect, the first possible implementation manner of the third aspect, or the second possible implementation manner, in a third possible implementation manner, the cellular network access device further includes: a receiving unit, configured to: Receiving a handover response message sent by the target access device of the cellular network.

With reference to the third possible implementation manner of the third aspect, in a fourth possible implementation, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device;

The sending unit is further configured to: stop sending data to the UE;

The determining unit is further configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, the to-be-released bearer list; where the to-be-released bearer list includes an identifier of the bearer to be released;

The sending unit is further configured to: send a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, where the source logical function entity indicates that the source logical function entity is to be released on the bearer The data to be released is returned to the cellular network access device; the data to be released refers to the data collected by the source logical function entity from the cellular network source access device for multi-stream aggregation. And data that has not been transmitted to the UE;

The receiving unit is further configured to: receive the to-be-released data returned by the source logical function entity.

In conjunction with the fourth possible implementation of the third aspect, in a fifth possible implementation, the determining unit is specifically configured to:

If the target logical function entity is different from the source logical function entity, all bearers that perform multi-flow aggregation between the cellular network access device and the UE are used as bearer release bearers; or, if the target logic And the functional entity is the same as the source logical function entity, and the target access device of the cellular network and the UE are all of the bearers that perform multi-flow aggregation between the cellular network access device and the UE. Other bearers other than bearers that perform multi-stream aggregation are used as bearers to be released.

With reference to the third possible implementation manner of the third aspect, in a sixth possible implementation, the handover response message includes: a bearer that performs multi-flow aggregation between the target access device of the cellular network and the UE Identification

The sending unit is further configured to: send a multi-flow aggregation command message to the UE, where the multi-flow aggregation command message includes a bearer list that is configured by the cellular network target access device and the UE to perform multi-flow aggregation And indicating that the UE performs multi-stream convergence reconfiguration.

With reference to the third possible implementation manner of the third aspect, in a seventh possible implementation, the switching response message includes an identifier of the non-cellular network target access device;

The sending unit is further configured to: send, to the UE, an identifier of the non-cellular network target access device or a non-cellular network access device identifier list corresponding to the target logical function entity, so that the UE accesses the The non-cellular network target access device.

With reference to the third aspect, the first possible implementation manner of the third aspect, and the seventh possible implementation manner, in the eighth possible implementation manner, the identifier of the UE in the non-cellular network includes: The medium access control MAC address of the UE in the non-cellular network, or the combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.

A fourth aspect provides a cellular network access device, including: a receiving unit, a determining unit, an establishing unit, and a sending unit;

The receiving unit is configured to receive a handover request sent by a cellular network source access device. The handover request message includes an identifier of the user equipment UE in the non-cellular network;

The determining unit is configured to determine, after the receiving unit receives the handover request message, a target logical function entity and a non-cellular network target access device;

The establishing unit is configured to establish a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, where the GTP-U tunnel is used to enable the cellular network to access the device Performing multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE;

The sending unit is configured to send the GTP-U tunnel to the target logical function entity in the process that the establishing unit establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device. Determining the identity of the UE in the non-cellular network, so that the target logical function entity identifies, according to the identifier of the UE in the non-cellular network, whether the received data packet from the target access device of the cellular network is The data packet of the UE.

With reference to the fourth aspect, in a first possible implementation, the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and a non-cellular network source access device. The identifier of the bearer, the bearer of the multi-stream aggregation between the cellular network source access device and the UE.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a second possible implementation, the sending unit is further configured to send a handover response message to the cellular network source access device.

In conjunction with the second possible implementation of the fourth aspect, in a third possible implementation, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device.

With the second possible implementation of the fourth aspect, in a fourth possible implementation, the handover response message includes: a bearer that performs multi-flow aggregation between the cellular network access device and the UE List.

With reference to the fourth aspect, the first possible implementation manner of the fourth aspect, and the fourth possible implementation manner, in the fifth possible implementation manner, the identifier of the UE in the non-cellular network includes: The medium access control MAC address of the UE in the non-cellular network, or the combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.

In the foregoing technical solution, since the handover request message sent by the cellular network source access device to the target access device of the cellular network includes the identifier of the UE in the non-cellular network, in the process of handover of the cellular network access device, the target of the cellular network The access device can identify the identifier of the UE in the non-cellular network, so that the data transmission of the multi-stream aggregation can be realized in the process of the handover, and the interruption time of the multi-stream aggregation service can be reduced or maintained compared with the prior art. The flow aggregation service is not interrupted, thereby improving the user experience.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is a schematic structural diagram of a multi-stream aggregation system provided in the prior art;

2 is a schematic flowchart of a user equipment switching method according to Embodiment 1 of the present invention;

FIG. 3 is a schematic flowchart diagram of another user equipment switching method according to Embodiment 1 of the present invention;

4 is a schematic flowchart of a user equipment switching method according to Embodiment 2 of the present invention;

FIG. 5 is a schematic diagram of a signaling flow of a user equipment handover method according to Embodiment 3 of the present invention;

FIG. 6 is a schematic flowchart of a method for releasing data to be released in a process in which a user equipment switches a cellular network access device according to Embodiment 3 of the present invention;

FIG. 7 is a schematic flowchart of a method for a user equipment to access a target AP according to Embodiment 3 of the present invention;

FIG. 8 is a schematic structural diagram of a cellular network access device according to Embodiment 4 of the present invention; FIG.

FIG. 9 is a schematic structural diagram of another cellular network access device according to Embodiment 4 of the present invention;

FIG. 10 is a schematic structural diagram of a cellular network access device according to Embodiment 5 of the present invention; FIG.

FIG. 11 is a schematic structural diagram of another cellular network access device according to Embodiment 5 of the present invention;

FIG. 12 is a schematic structural diagram of a cellular network access device according to Embodiment 6 of the present invention;

FIG. 13 is a schematic structural diagram of a cellular network access device according to Embodiment 7 of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are exemplarily described in conjunction with the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

Some of the terms provided herein are first explained to facilitate understanding by those skilled in the art:

1), "cellular network" and "cellular network access equipment"

"Cellular network" may include, but is not limited to, a cellular network in any of the following systems: LTE system, GSM (Global System for Mobile communications), CDMA (Code Division Multiple Access) system, WCDMA (Wideband Code Division Multiple Access Wireless) system, UMTS ( Universal Mobile Telecommunications System, Universal Mobile Telecommunications System, etc.

The "cellular access device" may be a base station device, for example, an eNB in LTE, a BTS (Base Transceiver Station) in a GSM or CDMA system, a Node B in a WCDMA system, etc. It is a control node, for example, SRC (Single Ran Coordinator, fused access network coordinator) in LTE, RNC (Radio Network Controller) in UMTS, and the like.

2) "Non-cellular network" and "non-cellular network access equipment"

The "non-cellular network" may include, but is not limited to, any of the following: WLAN, Worldwide Interoperability for Mi-crowave Access (World Wide Interoperability) network, and the like.

The "non-cellular network access device" may be an AP (Access Point) or an AC (Access Controller) in the WLAN, or may be a BS (Base Station) in the WIMAX network.

In the embodiment of the present invention, when the non-cellular network is a WLAN, the “non-cellular network access device” may be an autonomous management architecture (ie, a “fat” AP architecture) or a centralized management architecture (ie, a “thin” AP). Architecture).

3), logical functional entity

Generally, the cellular network access device and the non-cellular network access device cannot communicate directly, but communicate through a logical function entity. Specifically, the logical function entity may be a device in a cellular network or a device in a non-cellular network.

Optionally, when the non-cellular network is a WLAN, the logical function entity may be a device in the WLAN, and may be a WT (WLAN Termination, WLAN node). Among them, in the WLAN, the WT can be set up with the AP, or can be combined with the AC, and can also be independent of the AP and the AC.

4) Correspondence (or connection relationship) between the eNB, the WT, the AP, and the UE

One eNB may connect to one or more WTs, in other words, one eNB may support one or more WTs; one WT may support one AP Group. Among them, an AP Group consists of one or more APs. Generally, one WT is connected to one eNB; in particular, a WT located in a common coverage area of a plurality of eNBs may be connected to the plurality of eNBs. An AP can connect to one or more UEs.

Generally, the eNB communicates directly with the WT, and the UE directly communicates with the AP in the non-cellular network.

5) Multi-stream convergence

The term "multi-stream aggregation" as used herein refers to that part of data (ie, data for multi-stream aggregation) communicated between a cellular network access device and a UE is transmitted through a non-cellular network access device, and the cellular network access device and Other data communicated between the UEs (i.e., data that is not multi-stream aggregated) is transmitted directly between the cellular access device and the UE. The cellular network access device communicates with the non-cellular network access device through a logical functional entity.

The "bearing corresponding to the data of the multi-stream aggregation" may be referred to as a bearer for multi-stream aggregation. Specifically, the bearer may be an ERAB (EUTRAN-Radio Access Bearer), a DRB (Data Radio Bearer), an LC (Logical Channel), or the like. The EUTRAN is an abbreviation of the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network).

"Multi-stream aggregation" includes downlink multi-stream aggregation and uplink multi-stream aggregation. The cellular network can only support downlink multi-stream aggregation, or only support uplink multi-stream aggregation, and can support both downlink multi-stream aggregation and uplink multi-stream aggregation.

Referring to FIG. 1, a schematic diagram of a system architecture of multi-stream aggregation is shown. Among them, in Figure 1 The "cellular network" is the LTE cellular network, the "cellular network access device" is the eNB, the "non-cellular network" is the WLAN, the "non-cellular network access device" is the AP, and the logical functional entity is the WT as an example.

6), UE

The UE to which the present invention relates may include a handheld device having a wireless communication function, an in-vehicle device, a wearable device, a computing device, or other processing device connected to the wireless modem, and various forms of user equipment. Including but not limited to: Station, Mobile Station, Subscriber Unit, Personal Computer, Laptop Computer, Tablet Computer, Netbook ), Terminal (Terminal), PDA (Personal Digital Assistant), mobile WiFi hotspot device (MiFi Devices), smart watches, smart glasses, and so on. The above UEs can be distributed throughout the network. For convenience of description, in the present application, it is simply referred to as a user equipment or a UE.

7), "and / or", is only an association that describes the associated object, indicating that there can be three relationships, for example, A and / or B, can mean: A exists separately, while A and B exist, exist alone B these three situations. "/" means the relationship of "or". "Multiple" means two or more.

Embodiment 1

2 is a schematic flowchart of a user equipment switching method according to an embodiment of the present disclosure. The method shown in Figure 2 includes the following steps S201-S202:

S201: The cellular network source access device determines that the UE performs handover to the target access device of the cellular network.

S202: The cellular network source access device sends a handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in the non-cellular network, where the identifier of the UE in the non-cellular network is used to indicate the cellular The network target access device performs multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE.

The UE accesses both the cellular network and the non-cellular network at the same time. Before the cellular network access device switches, the cellular network source access device performs multiple streams between the source logical function entity and the non-cellular network source access device and the UE. Converged data transmission; after the cellular network access device is switched, the cellular network target access device performs multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE. The “source logical function entity” and the “target logical function entity” may be the same device or different devices; the “non-cellular network source access device” and the “non-cellular network target access device” may be the same device. , can also be different devices. In addition, the "source logic function entity" and the "non-cellular network source" access device may be combined or set independently; the "target logical function entity" and the "non-cellular network target access device" may be combined or independently Settings. The data of the multi-stream aggregation may be the same or different before and after the handover of the cellular network access device. Correspondingly, before and after the handover of the cellular network access device, the bearers of the multi-stream aggregation may be the same or different.

For example, the UE periodically or triggers the cellular network measurement report of the UE to the cellular network source access device, and the cellular network source access device determines that the UE meets the handover condition according to the cellular network measurement report of the UE. That is, the UE needs to perform handover; then the cellular network source access device can select a cellular network target access device according to the UE's cellular network measurement report, and send a handover request message to the cellular network target access device. The "cellular measurement report of the UE" refers to a measurement report obtained after the UE measures information such as the signal quality and the signal strength of the access device in the cellular network; the handover condition and how to determine that the UE satisfies the handover condition according to the measurement report. Reference can be made to the prior art.

The "identity of the UE in the non-cellular network" may be a MAC (Media Access Control) address of the UE in the non-cellular network, or may be an AID (Association Identity, Association ID) of the UE in the non-cellular network. A combination of an associated identity number, ie, an association identifier, and an identity of a non-cellular source access device. Wherein, when the non-cellular network is a WLAN, the identifier of the non-cellular network source access device is specific It can be the identifier of the source AP, such as the source AP BSSID (Basic Service Set Identifier).

For example, the identifier of the UE in the non-cellular network is used to indicate that the cellular network target access device performs data transmission of the multi-stream aggregation between the target logical function entity and the non-cellular network target access device and the UE, including: In the process of establishing a GTP-U (GPRS Tunelling protocol-user plane, GPRS channel protocol-user plane GPRS) tunnel between the target access device of the cellular network and the target logical function entity, the target of the cellular network access target device The access device sends the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity identifies the received target access device from the cellular network according to the identifier of the UE in the non-cellular network. Whether the data packet is a data packet of the UE; wherein the GTP-U tunnel is used to transmit a data packet between the cellular network target access device and the target logical functional entity. GPRS is the English abbreviation of General Packet Radio Service.

It should be noted that the handover request message may further include a to-be-established bearer list, where the to-be-established bearer list includes an identifier of the to-be-established bearer, so that the target access device of the cellular network establishes a bearer to be established for the UE, to Communication between the UEs. The to-be-established bearer list is a bearer list established by the cellular network source access device for the UE, and the bearer to be established includes: a multi-stream convergence bearer between the cellular network source access device and the UE, and no multi-stream aggregation Hosted. In addition, the to-be-established bearer list may include an identifier of each to-be-established bearer, and information about a Qos (Quality of Service) and a tunnel endpoint corresponding to each bearer to be established; where the tunnel end point information The TE End (Tunnel Endpoint Identifier) and the first Transport Layer Address are included; the "tunnel end point" is allocated to the target access device of the cellular network, and is used to indicate data transmission in the uplink data transmission path. destination.

In addition, it should be noted that the target access device of the cellular network determines the target logical function entity and the non-cellular network target access device according to the handover request message, and performs the target logical function. For a specific implementation process of data transmission between the entity and the non-cellular network target access device and the UE for multi-stream aggregation, reference may be made to the following.

For example, the step S202 may be implemented as follows: the source eNB sends a handover request message to the target eNB, where the handover request message includes an identifier of the UE in the WLAN, and is used to indicate that the target eNB passes the “target WT and the target AP” and the Multi-stream aggregation data transmission between UEs.

In the user equipment switching method provided by the embodiment, the handover request message sent by the cellular network source access device to the target access device of the cellular network includes the identifier of the UE in the non-cellular network, so the cellular network access device switches. In the process, the target access device of the cellular network can identify the identifier of the UE in the non-cellular network, thereby enabling multi-stream aggregation data transmission in the process of handover, and reducing multi-stream aggregation service compared with the prior art. The interruption time or the multi-stream aggregation service is kept uninterrupted, thereby improving the user experience. The cellular target access device may associate the identifier of the UE in the cellular network with the identifier in the non-cellular network, so that the non-cellular target access device identifies the identifier of the UE in the non-cellular network. Of course, the specific implementation can also be achieved by other means.

It should be noted that, in the prior art, the target eNB cannot obtain the identifier of the UE in the WLAN during the eNB handover, so that the target eNB cannot identify the identifier of the UE in the WLAN, thereby causing the target eNB to After the data packet is sent to the target WT, the target WT cannot identify which UE the data packet is, and thus the target eNB cannot perform multi-stream aggregation data transmission with the UE, that is, the multi-stream aggregation data transmission process is interrupted, thus causing The multi-stream aggregation service is interrupted, which makes the user experience worse.

Optionally, as shown in FIG. 3, after step S202, the method may further include:

S203: The cellular network source access device receives the handover response message sent by the target access device of the cellular network.

In an optional implementation manner, the handover response message includes: a target logic function The identity of the entity or the identity of the non-cellular network target access device. In this case, after step S203, the method may further include the following steps A-C:

Step A: The cellular network source access device stops sending data to the UE, and determines a to-be-released bearer list according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device. The identity of the bearer.

Step B: The cellular network source access device sends a release request message to the source logical function entity, where the release request message includes a to-be-released bearer list, and is used to indicate that the source logical function entity sends back the data to be released on the bearer to be released. The cellular network source accesses the device; the data to be released refers to the data received by the source logical function entity for performing multi-stream aggregation, and the data of the UE has not been transmitted yet.

Step C: The cellular network source access device receives the data to be released returned by the source logical function entity.

For example, the “Stop sending data to the UE” in the step A may include: stopping data sent by the non-cellular network source access device to the UE for multi-stream aggregation, and stopping directly sending the UE to the UE without performing multiple streams. Converged data. The "to-be-released bearer list" may further include information of a tunnel end point, etc.; wherein the tunnel end point information includes a TEID and a transport address, where the "tunnel end point" refers to a cellular network target access device, and is used to indicate uplink data transmission. The destination of the data transfer in the path. It should be noted that the non-cellular network source access device can determine which data on the bearer to be released is the data to be released according to the solution provided in the prior art.

The foregoing step A may include: determining whether the target logical function entity and the source logical function entity are the same according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device; if different, connecting the cellular network source device to the UE All the bearers that are in the multi-stream aggregation are the bearer to be released; or, if they are the same, the target access devices of the cellular network are connected to all the bearers that are aggregated between the cellular network source access device and the UE. The other bearers other than the bearer that performs multi-stream aggregation between the UEs serve as bearers to be released.

In another optional implementation manner, the handover response message includes: an identifier of a bearer that performs multi-stream aggregation between the target access device and the UE in the UE; in this case, after step S203, the method may further include The cellular network source access device sends a multi-flow aggregation command message to the UE, where the multi-flow aggregation command message includes a bearer list of the multi-stream aggregation between the target access device of the cellular network and the UE, and is used to indicate that the UE performs the Multi-stream aggregation reconfiguration.

For example, the “multi-stream aggregation command message” may be a separate message, or may be combined with an RRC (Radio Resource Control) protocol connection reconfiguration message. It should be noted that, in a specific implementation, after receiving the handover response message, the cellular network source access device sends an RRC connection reconfiguration message to the UE, so that the UE performs radio resource reconfiguration, measurement reconfiguration, and mobile Other information such as sexual reconfiguration, UE-related information reconfiguration, and the like.

In still another optional implementation manner, the handover response message includes an identifier of the non-cellular network target access device. In this case, after the step S203, the method may further include: the cellular network source access device sends the identifier of the non-cellular network target access device or the identifier list of the non-cellular network access device corresponding to the target logical function entity to the UE. So that the UE accesses the non-cellular network target access device.

For example, the identifier list of the non-cellular network access device corresponding to the target logical function entity is a list of the identifiers of the non-cellular network access devices corresponding to the target logical function entity; specifically, the AP corresponding to the target WT A list of the identifiers of the APs in the group, that is, the AP list corresponding to the target WT, where the AP list includes the identifier of the target AP.

When the cellular network source access device sends the identifier list of the non-cellular network access device corresponding to the target logical function entity to the UE, the UE may autonomously select the non-cellular corresponding to the identifier of the non-cellular network access device in the list. A network access device acts as a non-cellular network target access device. It should be noted that, in this case, the "non-cellular network target access device" selected by the UE and the non-cellular network target selected by the target access device of the cellular network are connected. The incoming devices may be the same or different; in this paper, the two are the same as an example.

In a specific implementation, when the non-cellular network source access device is the same as the non-cellular network target access device, or when the identifier of the non-cellular network source access device and the non-cellular network target access device identifier belong to the same non-cellular When the source access device identifier list is the same as the target logical function entity, the handover response message may not include the identifier of the non-cellular network target access device.

In addition, when the UE accesses the non-cellular network target access device by using the spoofed MAC address, after the UE successfully accesses the non-cellular network target access device, the method may further include: the UE sends the spoofed MAC address to the UE The cellular network target access device enables the cellular target access device to identify the UE, thereby performing multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE.

In a specific implementation, the handover response message may further include an (Admitted) bearer list accepted by the target access device of the cellular network, and may further include a Not Admitted bearer list that is not supported by the target access device of the cellular network; Instructing the cellular network source access device to determine whether to indicate the handover information to the target access device of the cellular network; the specific implementation process may refer to the prior art.

It should be noted that the above implementation manners may be used alone or in combination. For a specific example of the combination, reference may be made to Embodiment 3 below.

Embodiment 2

4 is a schematic flowchart of a user equipment switching method according to an embodiment of the present disclosure. For the explanation of the related content in this embodiment, reference may be made to the above. The method shown in FIG. 4 includes the following steps S401-S403:

S401: The cellular network target access device receives the handover request message sent by the cellular network source access device, where the handover request message includes the identifier of the UE in the non-cellular network.

For example, the “identity of the UE in the non-cellular network” may be the MAC address of the UE in the non-cellular network; or the AID and the non-cellular network source of the UE in the non-cellular network. A combination of the identification of the access device.

S402: The cellular target access device determines the target logical function entity and the non-cellular network target access device after receiving the handover request message.

Illustratively, the cellular target access device determines the target logical function entity and the non-cellular network target access device under the trigger condition that the handover request message is received; wherein the target logical function entity and the non-cellular network target access device are determined. The specific implementation process can be referred to below.

For example, after receiving the handover request message, the cellular target access device first determines the non-cellular target access device; and then determines the non-cellular according to the correspondence between the non-cellular target access device and the logical functional entity. The target logical function entity corresponding to the network target access device. For example, after receiving the handover request message, the target eNB first determines the target AP; and then determines the WT corresponding to the target AP as the target WT according to the correspondence between the AP and the WT.

It should be noted that the handover request message may further include a bearer list to be established, where the to-be-established bearer list includes an identifier of the bearer to be established. In this case, the method may further include: the cellular network target access device establishes a to-be-established bearer to perform communication with the UE.

S403: The cellular network target access device establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, where the GTP-U tunnel is used to enable the cellular network target access device to pass the target logical functional entity and Multi-stream aggregation data transmission between the non-cellular network target access device and the UE; wherein the GTP-U tunnel between the target logical function entity and the non-cellular network target access device is established in the target access device of the cellular network In the process, the cellular target access device sends the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity identifies the received from the cellular network according to the identifier of the UE in the non-cellular network. Whether the data packet of the target access device is a data packet of the UE.

For example, step S403 may include: the cellular network target access device to the non-bee The network target access device sends a tunnel establishment request message; the non-cellular network target access device returns a tunnel establishment response message to the cellular network target access device. The tunnel establishment request message includes an identifier of the UE in the non-cellular network. The tunnel establishment request message may further include: a bearer list of the multi-stream aggregation between the target access device of the cellular network and the UE, where the list includes: multi-stream aggregation between the target access device of the cellular network and the UE. The identifier of the bearer, the QoS level corresponding to the bearer, the information of the tunnel end point, and the like.

In the user equipment switching method provided by the embodiment, the handover request message from the cellular network source access device received by the target access device of the cellular network includes the identifier of the UE in the non-cellular network, so the handover is performed on the cellular network access device. In the process, the cellular target access device can identify the identifier of the UE in the non-cellular network, thereby enabling multi-stream aggregation data transmission in the process of handover, and reducing multi-stream aggregation compared with the prior art. The interruption of the service or the maintenance of the multi-stream aggregation service is not interrupted, thereby improving the user experience. The specific analysis process can refer to the above, and will not be described here.

Optionally, after step S403, the method may further include: the cellular network target access device sends a handover response message to the cellular network source access device. Illustratively, the handover response message may include: an identifier of the target logical function entity or an identifier of the non-cellular network target access device; and further optionally, the method further includes: the cellular network target access device and the UE A list of bearers for stream aggregation. For the function of each information included in the handover response message, reference may be made to the above, and details are not described herein again.

In the above-mentioned first embodiment and the second embodiment, optionally, the handover request message may further include one or more of the following information:

1) A non-cellular network measurement report of the UE; configured to instruct the target access device of the cellular network to determine the target access device of the non-cellular network.

The "non-cellular network measurement report of the UE" refers to a measurement report obtained by the UE after measuring information such as signal quality and signal strength of the non-cellular network access device; specifically, but not limited to the following information: non-cellular network access device And the RSRP (Reference Signal Receiving PoWer) corresponding to the non-cellular network access device No. Receive power) and RSRQ (Reference Signaling Quality, reference signal reception quality).

The cellular target access device may use a non-cellular network access device with better signal quality as the non-cellular network target access device according to the non-cellular network measurement report of the UE.

2) The identifier of the non-cellular network source access device; used to indicate that the target access device of the cellular network selects the non-cellular network target access device.

The cellular network target access device may preferentially consider the non-cellular network source access device as the non-cellular network target access device based on the method for determining the non-cellular network target access device provided by the prior art. In this way, the UE does not need to switch from the non-cellular network source access device to the non-cellular network target access device in the process of switching the cellular network access device, thereby saving the interaction between the UE and the non-cellular network access device. make.

3) A bearer list for multi-stream aggregation between the cellular network source access device and the UE; and a bearer for indicating that the target access device of the cellular network selects to perform multi-stream aggregation.

The cellular network target access device may be based on the method for determining a multi-stream aggregation bearer between the cellular network target access device and the UE provided by the prior art, and preferentially consider the cellular network source access device and the UE The bearer that performs the multi-stream aggregation is a bearer that performs multi-stream aggregation between the target access device of the cellular network and the UE. In this way, the UE does not need to release the bearer in the process of switching the cellular network access device, thereby saving signaling overhead between the UE and the cellular network source access device.

The bearer list of the multi-stream aggregation between the cellular network access device and the UE may be a separate list, or may be merged into the to-be-established bearer list, for example, adding one or more to the to-be-established bearer list. The flag is used to mark whether the corresponding bearer to be established is a bearer for multi-stream aggregation between the cellular network source access device and the UE.

It should be noted that any one or more of the optional implementation manners may be sent to the cellular network target access device by using a message independent of the handover request message.

It should be noted that, in specific implementation, the “identity of the UE in the non-cellular network” in any of the foregoing embodiments is specifically the IP of the UE in the non-cellular network (Internet). Protocol, Internet Protocol) address. In this case, the user equipment handover method differs from the above in that a GTP-U tunnel is not required to be established between the cellular network target access device and the non-cellular network target access device.

Embodiment 3

The correspondence between some of the terms in the first embodiment and the second part and the partial terms in the third embodiment is as shown in Table 1:

Table 1

FIG. 5 is a schematic diagram of a signaling flow of a user equipment handover method according to an embodiment of the present disclosure. The method shown in FIG. 5 includes the following steps S501-S510:

S501: The source eNB sends a handover request message to the target eNB. The handover request message includes the following information: the identifier of the UE in the WLAN, the ERAB list to be established, the WLAN measurement report of the UE, and the identifier of the source AP. This includes the source LWA ERAB list.

The ERAB list to be established is the source ERAB list, including the identifier of the ERAB to be established.

S502: The target eNB establishes an ERAB to be established, and determines an identifier of the target AP according to the WLAN measurement report of the UE and the identifier of the source AP, further determines a target WT corresponding to the target AP, and determines a target LWA ERAB list according to the source LWA ERAB list.

S503: Establish a GTP-U tunnel between the target eNB and the target WT.

For example, the target eNB sends a tunnel establishment request message to the target WT; the target WT replies to the target eNB with a tunnel establishment response message. The tunnel establishment request message includes information such as an address of the UE in the WLAN, a target LWA ERAB list, and the like. The target LWA ERAB list includes: an identifier of the target LWA ERAB, information of a tunnel end point, and the like. The tunnel establishment response message includes information of the tunnel end point. The tunnel end information is used to indicate the information of the destination end point in the uplink/downlink data transmission; the tunnel end point carried in the tunnel establishment request message is allocated by the target eNB, and the tunnel end point in the tunnel establishment response message is allocated by the target WT.

S504: The target eNB returns a handover response message to the source eNB. The handover response message includes an identifier of the target AP, an identifier of the target WT, and a target LWA ERAB list.

S505: The source eNB determines, according to the identifier of the target AP or the identifier of the target WT, whether the target WT and the source WT are the same.

If yes, execute S506; if no, execute S508.

For example, the source eNB may determine whether the target WT is the same as the source WT according to the identifier of the target WT, or may determine according to the correspondence between the AP and the WT. The target WT corresponding to the target AP, and then determine whether the target WT is the same as the source WT.

S506: The source eNB sends an RRC connection reconfiguration message to the UE. The RRC connection reconfiguration message includes an LWA command message, where the target LWA ERAB list is included in the LWA command message.

S507: The UE performs reconfiguration according to the RRC connection reconfiguration message, where the multi-flow convergence reconfiguration is performed according to the LWA command message, and the RRC connection reconfiguration complete message is sent to the target eNB.

After executing S507, S510 is performed.

S508: The source eNB sends an RRC connection reconfiguration message to the UE. The RRC connection reconfiguration message includes an LWA command message, where the LWA command message includes the target LWA ERAB list and the AP list corresponding to the target WT.

S509: The UE performs reconfiguration according to the RRC connection reconfiguration message, where the multi-flow convergence reconfiguration is performed according to the LWA command message; after the reconfiguration is completed, the RRC connection reconfiguration complete message is sent to the target eNB; and the AP list corresponding to the target WT is configured. The target AP is selected autonomously and accessed; and the message of successful access/access failure is sent to the target eNB.

For example, if the access is successful when the UE accesses the target AP, the message that the access succeeds is sent to the target eNB; if the access fails when the UE accesses the target AP, the message that the access fails is sent to the target eNB.

S510: The target eNB performs multi-stream aggregation data transmission with the UE by the target WT and the target AP according to the identifier of the UE in the WLAN. The target eNB and the target WT transmit the data packet through the GTP-U tunnel.

Optionally, as shown in FIG. 6, in any step before step S510 after step S505, the method may further include the following steps 1)-4):

If the result of the determination in S505 is "YES", step 1) is performed; if the result of the determination in S505 is "NO", step 2) is performed.

1) The source eNB will not belong to the target LWA ERAB in the source LWA ERAB list. The ERAB of the list is used as the ERAB to be released, and the ERAB list to be released is generated according to the ERAB to be released.

After performing step 1), perform step 3).

The generating, by the source eNB, the ERAB list to be released according to the ERAB to be released may include: the source eNB includes the identifier of the ERAB to be released, the information of the tunnel end point, and the like in a list as the ERAB list to be released.

2) The source eNB uses all ERABs in the source LWA ERAB list as the ERAB to be released, and generates an ERAB list to be released according to the ERAB to be released. 3) The source eNB sends a release request message to the source WT, where the bearer release request message includes an ERAB list to be released, which is used to indicate that the source WT returns the data to be released on the ERAB to be released in the ERAB list to be released to the source. eNB.

For example, the “release request message” may specifically be a WT release request message.

4) The source WT sends back the data to be released to the source eNB; the source eNB sends the data to be released to the target eNB.

It should be noted that, when the source eNB determines that there is no data to be released that needs to be returned, the method may not perform the above steps 1)-4).

In addition, it should be noted that since the ERAB belonging to the source LWA ERAB list and the target LWA ERAB list can always perform multi-stream aggregation data transmission before and after the eNB is switched, it can be guaranteed that both the source LWA ERAB list and the target LWA ERAB belong to the target LWA ERAB. The multi-stream aggregation service on the ERAB of the list is not interrupted. In addition, even if there is no ERAB belonging to the source LWA ERAB list and the target LWA ERAB list, the data transmission process of the multi-stream aggregation may be interrupted; in this case, the technical solution provided by the embodiment of the present invention can be switched at the eNB. In the process, the target eNB can implement multi-stream aggregation data transmission, so that the interruption time of the multi-stream aggregation service can be reduced compared with the data transmission in the prior art that enables the target eNB to implement multi-stream aggregation after the eNB handover. .

Optionally, as shown in FIG. 7, the foregoing S509 may be replaced by the following steps 1-5:

Step 1: The UE starts a timer when receiving the RRC Connection Reconfiguration Request message.

Step 2: The UE performs reconfiguration according to the RRC connection reconfiguration request message, and accesses the target AP.

Step 3: The UE determines whether the target AP is successfully accessed within a preset time period from the start of the timer.

If yes, go to step 4; if no, go to step 5.

Step 4: The UE sends an RRC connection reconfiguration complete message to the target eNB, where the RRC connection reconfiguration complete message includes the notification information that the UE successfully accesses the target AP.

Step 5: The UE sends an RRC connection reconfiguration complete message to the target eNB, where the RRC connection reconfiguration complete message includes the notification information that the UE does not successfully access the target AP.

It should be noted that, in the foregoing embodiment, the “notification information of the target AP successfully accessed” and the “notification information of the target AP that is not successfully accessed” are carried in the RRC connection reconfiguration message. It is carried in a message that is independent of the RRC Connection Reconfiguration Complete message. In this case, optionally, the target eNB considers that the UE has successfully accessed the target if the notification information of the unsuccessful access target AP is not received within a time period after the RRC connection reconfiguration message is sent to the UE. AP.

In this optional implementation, the notification information that the UE successfully sends the unsuccessful access to the target AP to the target eNB is added, so that the target eNB can learn whether the UE has successfully accessed the target AP, and if the access succeeds. The data transmission of the multi-stream aggregation is started, otherwise, the data transmission of the multi-stream aggregation is stopped.

Embodiment 4

FIG. 8 is a schematic structural diagram of a cellular network access device according to an embodiment of the present invention. The cellular network access device 8 shown in FIG. 8 may be specifically the “cellular network source access device” in the foregoing method embodiment, and is used to perform the foregoing method embodiments. For the explanation of the related content in this embodiment, reference may be made to the above description, and details are not described herein again.

The cellular network access device 8 shown in FIG. 8 includes a determining unit 81 and a transmitting unit 82. specific:

The determining unit 81 is configured to: determine that the UE performs handover to the cellular network target access device.

The sending unit 82 is configured to: send the handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in a non-cellular network; wherein the UE is in a non-cellular network The identifier is used to indicate that the cellular network target access device performs multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE.

For example, the identifier of the UE in the non-cellular network is used to indicate that the cellular network target access device performs multi-stream aggregation data between the target logical function entity and the non-cellular network target access device and the UE. Transmitting, comprising: in the process of establishing, by the cellular target access device, a GTP-U tunnel between the cellular target access device and the target logical functional entity, the target access device by the cellular network The identifier of the UE in the non-cellular network is sent to the target logical function entity, so that the target logical function entity identifies the received target from the cellular network according to the identifier of the UE in the non-cellular network. Whether the data packet of the access device is a data packet of the UE; wherein the GTP-U tunnel is used to transmit a data packet that is communicated between the target access device of the cellular network and the target logical function entity.

Optionally, the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, an identifier of the non-cellular network source access device, and the cellular network access device and A bearer list of multi-stream aggregation between the UEs.

Optionally, referring to FIG. 9, the cellular network access device 8 may further include: a receiving unit 83, configured to receive a handover response message sent by the cellular network target access device.

Optionally, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device; in this case, the sending unit 82 The determining unit 81 is further configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, the list of to-be-released bearers; wherein The to-be-released bearer list includes an identifier of the bearer to be released, and the sending unit 82 is further configured to: send a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, and is used to indicate The source logical function entity returns the data to be released on the to-be-released bearer to the cellular network access device; the data to be released refers to the source from the cellular network received by the source logical function entity. And the receiving unit 83 is further configured to: receive the to-be-released data returned by the source logical function entity, where the data of the multi-stream aggregation of the access device is not yet transmitted to the UE.

For example, the determining unit 81 is specifically configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, whether the target logical function entity and the source logical function entity are the same; The target logical function entity is different from the source logical function entity, and all bearers that are multi-stream aggregated between the cellular network access device and the UE are used as bearer release bearers; or, if the target logical function entity and And the source logical function entity is the same, and the plurality of bearers that perform multi-stream aggregation between the cellular network access device and the UE are more than the target access device between the cellular network and the UE. Other bearers other than the bearer of the stream aggregation are to be released as bearers.

Optionally, the handover response message includes: an identifier of a bearer that performs multi-flow aggregation between the target access device and the UE in the cellular network; in this case, the sending unit 82 is further configured to: The UE sends a multi-flow aggregation command message, where the multi-flow aggregation command message includes a bearer list of the multi-stream aggregation between the target access device and the UE, and is used to indicate that the UE performs multi-stream aggregation. Reconfiguration.

Optionally, the handover response message includes an identifier of the non-cellular network target access device. In this case, the sending unit 82 is further configured to: send the non-cellular network target access device to the UE. Identification or corresponding to the target logical functional entity The non-cellular network accesses the device identification list such that the UE accesses the non-cellular network target access device.

Optionally, the identifier of the UE in the non-cellular network includes: a media access control MAC address of the UE in the non-cellular network, or an association identifier AID and a non-cellular network source of the UE in the non-cellular network. A combination of the identification of the access device.

In this embodiment, since the handover request message sent by the cellular network access device to the target access device of the cellular network includes the identifier of the UE in the non-cellular network, in the process of handover of the cellular network access device, the target of the cellular network is connected. The ingress device can identify the identifier of the UE in the non-cellular network, thereby enabling multi-stream aggregation data transmission in the process of handover, and reducing the interruption time of the multi-stream aggregation service or maintaining multiple streams compared with the prior art. The aggregation service is not interrupted, thereby improving the user experience.

Embodiment 5

In hardware implementation, the transmitting unit 82 in the above fourth embodiment may be a transmitter, the receiving unit 83 may be a receiver, and the transmitter and the receiver may be integrated to form a transceiver.

The determining unit 81 may be embedded in the hardware of the cellular access device 8 in hardware, or may be stored in the memory of the cellular access device 8 in software, so that the processor can execute the above For the operation corresponding to the module, the processor may be a CPU (Central Processing Unit), a microprocessor, a single chip microcomputer, or the like.

FIG. 10 is a schematic structural diagram of a cellular network access device according to an embodiment of the present disclosure. The cellular network access device 10 shown in FIG. 10 may be specifically the “cellular network source access device” in the foregoing method embodiment, and is used to perform the user equipment switching method provided in any of the foregoing method embodiments. For the explanation of related content, refer to the above, and I will not repeat them here.

The cellular network access device 10 shown in FIG. 10 includes a memory 10A, a processor 10B, a transmitter 10C, a communication interface 10D, and a system bus 10E. Wherein, the memory 10A, the processor 10B, the transmitter 10C and the communication interface 10D are coupled together by a bus system 10E. The bus system 10E may include a power bus, a control bus, a status signal bus, etc., in addition to the data bus. . However, for clarity of description, various buses are labeled as the bus system 10E in the figure. The communication interface 10D is a collective term for an interface in which the cellular network access device 10 communicates with other devices.

The memory 10A is configured to store a set of codes.

The code stored in memory 10A is used by control processor 10B to determine that the UE is handing over to the cellular network target access device.

The transmitter 10C is configured to send the handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in a non-cellular network, where the UE is in a non-cellular network. And identifying a data transmission for indicating that the cellular target access device performs multi-stream aggregation between the target logical function entity and the non-cellular network target access device and the UE.

Optionally, referring to FIG. 11, the cellular network access device 10 may further include: The device 10F is configured to receive a handover response message sent by the target access device of the cellular network.

Optionally, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device; in this case, the transmitter 10C is further configured to: stop sending data to the UE The processor 10B is further configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, the bearer list to be released; wherein the to-be-released bearer list includes the identifier of the bearer to be released The sender 10C is further configured to: send a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, where the source logical function entity indicates that the source logical function entity is to be released The data to be released on the bearer is returned to the cellular network access device; the data to be released refers to the data collected by the source logical function entity from the cellular network source access device for multi-stream aggregation. And the data that has not been transmitted to the UE; the receiver 10F is further configured to: receive the to-be-released data returned by the source logical function entity.

For example, the processor 10B is specifically configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, whether the target logical function entity and the source logical function entity are the same; The target logical function entity is different from the source logical function entity, and all bearers that are multi-stream aggregated between the cellular network access device and the UE are used as bearer release bearers; or, if the target logical function entity and And the source logical function entity is the same, and the plurality of bearers that perform multi-stream aggregation between the cellular network access device and the UE are more than the target access device between the cellular network and the UE. Other bearers other than the bearer of the stream aggregation are to be released as bearers.

Optionally, the handover response message includes: an identifier of a bearer that performs multi-flow aggregation between the target access device and the UE in the cellular network; in this case, the transmitter 10C is further configured to: The UE sends a multi-flow aggregation command message, where the multi-flow aggregation command message includes a bearer list of the multi-stream aggregation between the target access device and the UE, and is used to indicate that the UE performs multi-stream aggregation. Reconfiguration.

Optionally, the handover response message includes an identifier of the non-cellular network target access device. In this case, the transmitter 10C is further configured to: send the non-cellular network target access device to the UE. The identifier or the non-cellular network access device identification list corresponding to the target logical function entity, so that the UE accesses the non-cellular network target access device.

Embodiment 6

FIG. 12 is a schematic structural diagram of a cellular network access device according to an embodiment of the present invention. The cellular network access device 12 shown in FIG. 12 may specifically be the “cellular network target access device” in the foregoing method embodiment, and is used to perform the user equipment switching method provided in any of the foregoing method embodiments. For the explanation of related content, refer to the above, and I will not repeat them here.

The cellular network access device 12 shown in FIG. 12 includes a receiving unit 12A, a determining unit 12B, and an establishing unit 12C and a transmitting unit 12D. specific:

The receiving unit 12A is configured to: receive a handover request message sent by the cellular network source access device, where the handover request message includes an identifier of the UE in the non-cellular network;

The determining unit 12B is configured to: after the receiving unit 12A receives the handover request message, determine a target logical function entity and a non-cellular network target access device;

The establishing unit 12C is configured to: establish the target logical function entity and the non-bee a GTP-U tunnel between the target access devices; wherein the GTP-U tunnel enables the cellular access device to access the device and the non-cellular target through the target logical function entity Data transmission for multi-stream aggregation between UEs.

The sending unit 12D is configured to go to the target logical function entity in the process that the establishing unit 12C establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device. Sending an identifier of the UE in the non-cellular network, so that the target logical function entity identifies, according to the identifier of the UE in the non-cellular network, whether the received data packet from the target access device of the cellular network is The data packet for the UE.

Optionally, the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, an identifier of the non-cellular network source access device, and the cellular network source access device. An identifier of a bearer that performs multi-stream aggregation with the UE.

Optionally, the sending unit 12D is further configured to send a handover response message to the cellular network source access device.

For example, the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device.

For example, the handover response message includes: a bearer list that performs multi-stream aggregation between the cellular network access device and the UE.

The handover request message from the cellular network source access device received by the cellular network access device provided in this embodiment includes the identifier of the UE in the non-cellular network, so in the process of switching the cellular network access device, the cellular network The access device can identify the identifier of the UE in the non-cellular network, so that the data transmission of the multi-stream aggregation can be realized in the process of the handover, and the interruption time of the multi-stream aggregation service can be reduced or compared with the prior art. Keep the multi-stream aggregation service uninterrupted, thus improving the user experience.

Example 7

In hardware implementation, the transmitting unit 12D in the above sixth embodiment may be a transmitter, the receiving unit 12A may be a receiver, and the transmitter and the receiver may be integrated to form a transceiver.

One or more of the above determining unit 12B and establishing unit 12C may be embedded in or independent of the processor of the cellular access device 12 in hardware, or may be stored in the form of software on the cellular access device 12. In the memory, in order to facilitate the processor to perform the operations corresponding to the above modules, the processor may be a CPU, a microprocessor, a single chip or the like.

Referring to FIG. 13, a schematic structural diagram of a cellular network access device according to this embodiment is provided. The cellular network access device 13 shown in FIG. 13 may specifically be the “cellular network target access device” in the foregoing method embodiment, and is configured to perform the user equipment switching method provided in any of the foregoing method embodiments. For the explanation of related content, refer to the above, and I will not repeat them here.

The cellular network access device 13 shown in FIG. 13 includes a memory 13A, a processor 13B, a receiver 13C, a transmitter 13D, a communication interface 13E, and a system bus 13F. The memory 13A, the processor 13B, the receiver 13C, the transmitter 13D, and the communication interface 13E are coupled together by a bus system 13F. The bus system 13F may include a power bus in addition to the data bus. Control bus and status signal bus, etc. However, for the sake of clarity, various buses are labeled as the bus system 13F in the figure. The communication interface 13E is a collective term for an interface in which the cellular network access device 13 communicates with other devices.

The receiver 13C is configured to: receive a handover request message sent by the cellular network source access device, where the handover request message includes an identifier of the UE in the non-cellular network.

The memory 13A is for storing a set of codes.

The code stored in the memory 13A is used to control the processor 13B at the receiver After receiving the handover request message, the 13C determines a target logical function entity and a non-cellular network target access device; and establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device; The GTP-U tunnel uses the data transmission of the multi-stream convergence between the target logical function entity and the non-cellular network target access device and the UE by the cellular network access device.

The transmitter 13D is configured to go to the target logical function entity in the process that the processor 13B establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device. Sending an identifier of the UE in the non-cellular network, so that the target logical function entity identifies, according to the identifier of the UE in the non-cellular network, whether the received data packet from the target access device of the cellular network is The data packet for the UE.

Optionally, the transmitter 13D is further configured to send a handover response message to the cellular network source access device.

The handover request message from the cellular network source access device received by the cellular network access device provided in this embodiment includes the identifier of the UE in the non-cellular network, so in the process of switching the cellular network access device, the cellular network The access device can recognize the UE The identification in the non-cellular network can realize the data transmission of the multi-stream aggregation in the process of the handover. Compared with the prior art, the interruption time of the multi-stream aggregation service can be reduced or the multi-stream aggregation service can be kept uninterrupted, thereby improving User experience.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

The above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium. The above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, A server, or network device, etc.) performs some of the steps of the method described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a ROM (Read-Only Memory), a RAM (Random Access Memory), a disk or an optical disk, and the like, which can store program codes. .

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A user equipment switching method, comprising:

The cellular network source access device determines that the user equipment UE performs handover to the target access device of the cellular network;

The cellular network source access device sends a handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in the non-cellular network;

The identifier of the UE in the non-cellular network is used to indicate that the cellular network target access device performs data transmission of multi-stream aggregation between the target logical function entity and the non-cellular network target access device and the UE.
The method according to claim 1, wherein the identifier of the UE in the non-cellular network is used to indicate that the target access device of the cellular network is connected to the target by the target logical functional entity and the non-cellular network target Performing multi-stream aggregation data transmission between UEs, including: in the process of establishing a GTP-U tunnel between the cellular network target access device and the target logical function entity by the cellular network target access device, Sending, by the cellular target access device, the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity is configured according to the identifier of the UE in the non-cellular network, Identifying whether the received data packet from the cellular network target access device is a data packet of the UE; wherein the GTP-U tunnel is used to transmit the cellular network target access device and the target logic A packet of communication between functional entities.
The method according to claim 1 or 2, wherein the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and a non-cellular network source access device. The identifier of the bearer, the bearer list of the multi-stream aggregation between the cellular network source access device and the UE.
The method according to any one of claims 1 to 3, wherein, after the cellular network source access device sends the handover request message to the cellular network target access device, the method further includes:

The cellular network source access device receives the cut sent by the target access device of the cellular network Change the response message.
The method according to claim 4, wherein the handover response message comprises: an identifier of the target logical function entity or an identifier of a non-cellular network target access device; at the cellular network source access device receiving station After the handover response message replied by the target access device of the cellular network, the method further includes:

The cellular network source access device stops transmitting data to the UE, and determines a to-be-released bearer list according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device; wherein the to-be-released bearer list The identifier of the bearer to be released is included;

The cellular network source access device sends a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, where the source logical function entity is configured to The data to be released is sent back to the cellular network source access device; the data to be released refers to the data collected by the source logical function entity from the cellular network source access device for multi-stream aggregation. And data that has not been transmitted to the UE;

The cellular network source access device receives the data to be released returned by the source logical function entity.
The method according to claim 5, wherein the determining the to-be-released bearer list according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device comprises:

Determining, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, whether the target logical function entity is the same as the source logical function entity;

If the target logical function entity is different from the source logical function entity, all bearers that perform multi-flow aggregation between the cellular network source access device and the UE are used as bearer release bearers; or, if the target And the logical function entity is the same as the source logical function entity, and wherein the cellular network source access device and the UE perform multi-stream aggregation, except for the cellular network target access device and the The other bearers other than the bearer that performs multi-stream aggregation between the UEs serve as bearers to be released.
The method according to claim 4, wherein the handover response message comprises: an identifier of a bearer of the multi-stream aggregation between the target access device of the cellular network and the UE; and the source of the cellular network is connected After the device returns a handover response message to the target access device of the cellular network, the method further includes:

The cellular network source access device sends a multi-flow aggregation command message to the UE, where the multi-flow aggregation command message includes a bearer list for multi-stream aggregation between the target access device of the cellular network and the UE And indicating that the UE performs multi-stream convergence reconfiguration.
The method according to claim 4, wherein the handover response message includes an identifier of the non-cellular network target access device; and the cellular network source access device accesses the target access device of the cellular network After replying to the handover response message, the method further includes:

The cellular network source access device sends the identifier of the non-cellular network target access device or the non-cellular network access device identifier list corresponding to the target logical function entity to the UE, so that the UE accesses the The non-cellular network target access device.
The method according to any one of claims 1-8, wherein the identifier of the UE in the non-cellular network comprises: a media access control MAC address of the UE in a non-cellular network, or the UE A combination of an association identifier AID in a non-cellular network and an identity of a non-cellular source access device.
A user equipment switching method, comprising:

Receiving, by the cellular network target access device, a handover request message sent by the cellular network source access device, where the handover request message includes an identifier of the user equipment UE in the non-cellular network;

After receiving the handover request message, the cellular target access device determines a target logical function entity and a non-cellular network target access device;

The cellular network target access device establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device; wherein the GTP-U tunnel is used to connect the cellular network target Incoming device via the target logical functional entity and the non-bee Data transmission between the network target access device and the UE for multi-stream aggregation;

And in the process of establishing, by the cellular network target access device, a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, the cellular network target access device to the And the target logical function entity sends the identifier of the UE in the non-cellular network, so that the target logical function entity identifies the received target access device from the cellular network according to the identifier of the UE in the non-cellular network. Whether the data packet is a data packet of the UE.
The method according to claim 10, wherein the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and an identifier of the non-cellular network source access device. And an identifier of the bearer of the multi-stream aggregation between the cellular network source access device and the UE.
The method according to claim 10 or 11, wherein after the cellular network target access device establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, The method further includes:

The cellular target access device sends a handover response message to the cellular network source access device.
The method according to claim 12, wherein the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device.
The method according to claim 12, wherein the handover response message comprises: a bearer list for multi-stream aggregation between the cellular target access device and the UE.
The method according to any one of claims 10 to 14, wherein the identifier of the UE in the non-cellular network comprises: a media access control MAC address of the UE in a non-cellular network, or the UE A combination of an association identifier AID in a non-cellular network and an identity of a non-cellular source access device.
A cellular network access device, comprising: a determining unit and a sending unit;

The determining unit is configured to determine that the user equipment UE performs handover to the target access device of the cellular network;

The sending unit is configured to send the handover request message to the target access device of the cellular network, where the handover request message includes an identifier of the UE in a non-cellular network;

The identifier of the UE in the non-cellular network is used to indicate that the cellular network target access device performs data transmission of multi-stream aggregation between the target logical function entity and the non-cellular network target access device and the UE.
The cellular network access device according to claim 16, wherein the identifier of the UE in the non-cellular network is used to indicate that the target access device of the cellular network is accessed by the target logical functional entity and the non-cellular network target. Data transmission between the device and the UE for multi-stream aggregation, comprising: establishing, by the cellular network target access device, a GTP-U tunnel between the cellular target access device and the target logical functional entity Transmitting, by the cellular network target access device, the identifier of the UE in the non-cellular network to the target logical function entity, so that the target logical function entity is configured according to the UE in the non-cellular network. And identifying, by the received data packet, the data packet from the target access device of the cellular network is a data packet of the UE, where the GTP-U tunnel is used to transmit the target access device of the cellular network and the A packet of communication between the target logical functional entities.
The cellular network access device according to claim 16 or 17, wherein the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and a non-cellular network. The identifier of the source access device, the bearer list of the multi-stream aggregation between the cellular network access device and the UE.
A cellular network access device according to any of claims 16-18, characterized in that

The cellular network access device further includes: a receiving unit, configured to receive a handover response message sent by the target access device of the cellular network.
The cellular network access device according to claim 19, wherein the handover response message comprises: an identifier of the target logical function entity or an identifier of a non-cellular network target access device;

The sending unit is further configured to: stop sending data to the UE;

The determining unit is further configured to: determine, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, the to-be-released bearer list; where the to-be-released bearer list includes an identifier of the bearer to be released;

The sending unit is further configured to: send a release request message to the source logical function entity, where the release request message includes the to-be-released bearer list, where the source logical function entity indicates that the source logical function entity is to be released on the bearer The data to be released is returned to the cellular network access device; the data to be released refers to the data collected by the source logical function entity from the cellular network source access device for multi-stream aggregation. And data that has not been transmitted to the UE;

The receiving unit is further configured to: receive the to-be-released data returned by the source logical function entity.
The cellular network access device according to claim 20, wherein the determining unit is specifically configured to:

Determining, according to the identifier of the target logical function entity or the identifier of the non-cellular network target access device, whether the target logical function entity is the same as the source logical function entity;

If the target logical function entity is different from the source logical function entity, all bearers that perform multi-flow aggregation between the cellular network access device and the UE are used as bearer release bearers; or, if the target logic And the functional entity is the same as the source logical function entity, and the target access device of the cellular network and the UE are all of the bearers that perform multi-flow aggregation between the cellular network access device and the UE. Other bearers other than bearers that perform multi-stream aggregation are used as bearers to be released.
The cellular network access device according to claim 19, wherein the handover response message comprises: performing between the cellular network target access device and the UE The identifier of the bearer of the multi-stream aggregation;

The sending unit is further configured to: send a multi-flow aggregation command message to the UE, where the multi-flow aggregation command message includes a bearer list that is configured by the cellular network target access device and the UE to perform multi-flow aggregation And indicating that the UE performs multi-stream convergence reconfiguration.
The cellular network access device according to claim 19, wherein the handover response message includes an identifier of the non-cellular network target access device;

The sending unit is further configured to: send, to the UE, an identifier of the non-cellular network target access device or a non-cellular network access device identifier list corresponding to the target logical function entity, so that the UE accesses the The non-cellular network target access device.
The cellular network access device according to any one of claims 16 to 22, wherein the identifier of the UE in the non-cellular network comprises: a media access control MAC address of the UE in a non-cellular network, or And a combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.
A cellular network access device, comprising: a receiving unit, a determining unit, an establishing unit, and a sending unit;

The receiving unit is configured to receive a handover request message sent by the cellular network source access device, where the handover request message includes an identifier of the user equipment UE in the non-cellular network;

The determining unit is configured to determine, after the receiving unit receives the handover request message, a target logical function entity and a non-cellular network target access device;

The establishing unit is configured to establish a GTP-U tunnel between the target logical function entity and the non-cellular network target access device, where the GTP-U tunnel is used to enable the cellular network to access the device Performing multi-stream aggregation data transmission between the target logical function entity and the non-cellular network target access device and the UE;

The sending unit is configured to send the GTP-U tunnel to the target logical function entity in the process that the establishing unit establishes a GTP-U tunnel between the target logical function entity and the non-cellular network target access device. Describe the identity of the UE in the non-cellular network to make The target logical function entity identifies, according to the identifier of the UE in the non-cellular network, whether the received data packet from the target access device of the cellular network is a data packet of the UE.
The cellular network access device according to claim 25, wherein the handover request message further includes one or more of the following information: a non-cellular network measurement report of the UE, and a non-cellular network connection The identifier of the incoming device, the identifier of the bearer that is multi-stream aggregated between the cellular network source access device and the UE.
A cellular network access device according to claim 25 or 26, wherein

The sending unit is further configured to send a handover response message to the cellular network source access device.
The cellular network access device according to claim 27, wherein the handover response message includes: an identifier of the target logical function entity or an identifier of a non-cellular network target access device.
The cellular network access device according to claim 27, wherein the handover response message includes: a bearer list for performing multi-stream aggregation between the cellular network access device and the UE.
The cellular network access device according to any one of claims 25 to 29, wherein the identifier of the UE in the non-cellular network comprises: a media access control MAC address of the UE in a non-cellular network, or And a combination of the association identifier AID of the UE in the non-cellular network and the identifier of the non-cellular network source access device.