WO2014023032A1

WO2014023032A1 - Method and network equipment for obtaining ps access ability of ue

Info

Publication number: WO2014023032A1
Application number: PCT/CN2012/079987
Authority: WO
Inventors: 张崇铭; 吴晓波; 赵旸
Original assignee: 华为技术有限公司
Priority date: 2012-08-10
Filing date: 2012-08-10
Publication date: 2014-02-13
Also published as: CN103765956A; CN103765956B

Abstract

The invention is adapted to communication field, which provides a method and network equipment for obtaining the Packet Switch (PS) access ability of User Equipment (UE). The said method comprises: when performing Reverse Single Radio Voice Call Continuity (rSRVCC) handover, the network equipment obtains the PS access ability of UE; the network equipment sends the PS access ability to the target base station of the rSRVCC handover. The technical solution of the invention provided has the advantage that the target base station can obtain the PS access ability, distribute and schedule resource for UE according to the PS access ability when performing rSRVCC handover

Description

Method for acquiring UE's PS access capability and network device

Technical field

The present invention belongs to the field of communications, and in particular, to a method and a network device for acquiring a PS access capability of a UE.

Background technique

In the early days of Long Term Evolution (LTE) network construction, only hotspot coverage, 2G or 3G is full coverage. In order to train LTE users, operators have set the priority of LTE to be higher, so that users are preferentially stationed on the LTE network. When the user initiates Internet Protocol voice in the LTE network ( Voice over Internet Protocol (VOIP) call (based on IP Multimedia system, IP Multimedia system, After IMS) network, as the user's mobile moves out of LTE coverage into 2G or 3G, then it must switch to 2G or 3G, circuit switched by 2G or 3G ( Circuit Switch (CS) network provides voice, a process called single wireless voice call continuity (Single Radio Voice Call) Continuity, SRVCC); when a user makes a voice call in a 2G or 3G CS domain, possibly due to LTE or the global terrestrial radio access network (Universal Terrestrial Radio Access Network (UTRAN) and other networks have better coverage, or because of CS network load problems, need to call from CS The domain is switched to LTE or UTRAN, which is called reverse single radio voice call continuity. Continuity, rSRVCC), ie reverse SRVCC.

User equipment (User Equipment , UE Before the handover, in the global mobile communication system enhanced data rate global mobile communication system evolution technology wireless access network (Global System for Mobile Communications Enhanced Data Rate for Global System for Mobile Communications Evolution Radio Access Network (GERAN) for voice service (CS service), switched by IMS over E-UTRAN (Evolved Universal Terrestrial Radio Access Network, Evolved Universal Terrestrial Radio Access Network) /UTRAN Continue to provide voice services, it can be considered that the UE has a GERAN CS to E-UTRAN/UTRAN PS SRVCC switch, also known as SRVCC HANDOVER From GERAN to E-UTRAN/UTRAN, the above rSRVCC handover is essentially a CS to packet switch (Packet Switch, PS Switching, and the switching of CS to PS in the handover discussed in the current standard is only rSRVCC switching.

In the existing rSRVCC handover, since the UE is switched from CS to PS, the base station controller (Base Station Controller, BSC) Only the CS access capability reported by the UE, the target base station, for example, the target radio network controller (Radio Network) Controller, RNC) or evolved Node B (eNB), unable to obtain the PS access capability of the UE (because CS The access capability is different from the PS access capability, which makes it impossible to allocate scheduling resources to the UE better.

technical problem

An object of the embodiments of the present invention is to provide a method and a network device for acquiring a PS access capability of a UE, which are intended to solve the existing The technical solution cannot obtain the PS access capability of the UE, which causes the RNC or the eNB to fail to allocate the scheduling resources to the UE better.

Technical solution

In one aspect, a specific implementation manner of the present invention provides a method for acquiring a PS access capability of a UE, where the method includes:

When performing reverse single wireless voice call continuity rSRVCC handover, the network device acquires packet switching of the user equipment UE PS access capability;

The network device sends the PS access capability to the target base station of the rSRVCC handover.

Optionally, when the network device is a base station controller BSC, the network device acquires a PS of the UE. Access capabilities include:

Receiving a class change message carrying the PS access capability reported by the UE Message; wherein the PS access capability is carried in a new cell IE in the Classmark change message;

Or receiving a new message that is reported by the UE and carrying the PS access capability.

The BSC sends, to the UE, a class label query carrying the indication that the UE reports the PS access capability. The CLASSMARK ENQUIRY message receives a new message returned by the UE and carrying the PS access capability.

The BSC receives the non-access stratum NAS message carrying the PS access capability reported by the UE, and parses the The NAS message gets the PS access capability.

Optionally, when the network device is a target service support node SGSN or a target mobility management entity MME The acquiring, by the network device, the PS access capability of the UE includes:

Receiving the source when the target SGSN or the target MME acquires the PS context of the UE from the source SGSN a PS context response message sent by the SGSN carrying the PS access capability;

Or the target SGSN or the target MME sends an indication to the source SGSN that the source SGSN reports the PS The request message of the access capability receives the response message sent by the source SGSN and carries the PS access capability.

Optionally, when the network device is a mobility management entity MSC, the network device acquires a PS of the UE. Access capabilities include:

Receiving, by the MSC, a non-access stratum NAS message carrying the PS access capability reported by the UE, the NAS The message carries the PS access capability.

Optionally, when the network device is a BSC, the network device sends the PS access capability to the rSRVCC The target base station for handover specifically includes:

BSC fills in the source of the switch request HANDOVER REQUIRED wireless network controller to the target Radio network controller transparent information information source RNC to target RNC transparent information IE; wherein the source Radio Network Controller to Target Radio Network Controller The transparent transmission information cell includes the PS access capability.

Optionally, the source wireless network controller is filled in the handover request HANDOVER REQUIRED to the target Radio Network Controller Transparent Information Element Source RNC to target RNC transparent information IE methods include:

When the rSRVCC is switched to the global terrestrial radio access network UTRAN, the source RNC to Target RNC transparent information Fill in the source in the IE Wireless Network Controller to Target Wireless Network Controller Transparent Container Cell Source RNC to target RNC transparent container IE , the source RNC to target RNC Transparent container IE contains mobile station wireless access capability cell MS RAC IE ; or,

When the rSRVCC is handed over to the evolved global terrestrial radio access network E-UTRAN, at the source RNC to target RNC transparent information Fill in the source in the IE Evolved base station to the target Evolved base station Transparent container cell Source eNB to target eNB transparent container IE , the Source eNB to target eNB The transparent container IE contains the MS RAC IE.

BSC fills in the handover request HANDOVER REQUIRED source evolved base station to target evolved base station a source eNB to target eNB transparent information IE; wherein the source evolved base station to the target The evolved base station transparent transmission information cell includes the PS access capability.

Optionally, the source evolved base station to the target in the handover request HANDOVER REQUIRED The method of the eNB transparent information IE includes:

At the source eNB to target eNB transparent Information source IE fills in the evolved base station to the target evolved base station transparent container cell Source eNB to target eNB transparent Container IE , the Source eNB to target eNB transparent container IE includes MS RAC IE .

Optionally, when the network device is an SGSN or an MME, the network device sends the PS access capability to the The target base station for rSRVCC handover specifically includes:

When the rSRVCC is handed over to the global terrestrial radio access network UTRAN, the target SGSN or MME will The PS access capability is carried in the redirect request Relocation Request message to the target base station; or,

When the rSRVCC is handed over to the E-UTRAN of the Evolved Global Terrestrial Radio Access Network, the target SGSN or The MME sends the PS access capability to the target base station in the handover request Handover Request message.

Optionally, when the network device is an MSC, the network device sends the PS access capability to the rSRVCC The target base station for handover specifically includes:

The MSC passes the circuit domain to the packet domain handover request CS TO PS HO REQUEST message carries the PS Accessing the capability to the target SGSN or the target MME, so that the target SGSN or the target MME delivers the PS access capability to the target base station.

In another aspect, a specific embodiment of the present invention provides a base station controller, where the base station controller includes:

An obtaining unit, configured to acquire a user equipment UE when performing a reverse single wireless voice call continuity rSRVCC handover Packet switching PS access capability, and the acquired UE's PS access capability is transmitted to the sending unit;

The sending unit is configured to send the PS access capability acquired by the acquiring unit to the rSRVCC The target base station for handover.

Optionally, the obtaining unit is specifically configured to:

Receiving a class change message carrying the PS access capability reported by the UE. Classmark change Message; wherein the PS access capability is carried in the new IE in the Classmark change message;

Optionally, the acquiring unit specifically includes:

a sending module, configured to send, to the UE, a class label query carrying the indication that the UE reports the PS access capability CLASSMARK ENQUIRY message;

The receiving module is configured to receive a new message returned by the UE and carrying the PS access capability.

Optionally, the acquiring unit specifically includes:

Receiving a non-access stratum NAS message carrying the PS access capability reported by the UE, parsing the NAS The message gets the PS access capability.

Optionally, the sending unit is specifically configured to:

Fill in the source wireless network controller to the target wireless network controller in the switch request HANDOVER REQUIRED Source RNC to target RNC transparent information IE; wherein the source wireless network controller to the target The radio network controller transparent transmission information cell includes the PS access capability.

Optionally, the sending unit is specifically configured to:

Fill in the source evolved base station to the target evolved base station in the handover request HANDOVER REQUIRED a source eNB to target eNB transparent information IE; wherein the source evolved base station to the target The evolved base station transparent transmission information cell includes the PS access capability.

In a further aspect, the embodiment of the present invention further provides a network device, where the network device includes:

Optionally, the obtaining unit is specifically configured to:

Receiving the PS sent by the source service support node SGSN when acquiring the PS context of the UE PS context response message for access capability;

Or sending a request message to the source SGSN indicating that the source SGSN reports the PS access capability, and receiving the source The response message sent by the SGSN carrying the PS access capability.

Optionally, the obtaining unit is specifically configured to:

Receiving, by the UE, a non-access stratum NAS message carrying the PS access capability, the NAS The message carries the PS access capability.

Optionally, the sending unit is specifically configured to:

The PS is when the rSRVCC is handed over to the global terrestrial radio access network UTRAN The access capability is carried in the redirect request Relocation Request message and sent to the target base station; or,

The PS is when the rSRVCC is handed over to an evolved global terrestrial radio access network E-UTRAN The access capability is carried in the handover request Handover Request message and sent to the target base station.

Optionally, the sending unit is specifically configured to:

Handover request through circuit domain to packet domain CS TO PS HO REQUEST message carries the PS The access capability is sent to the target SGSN or the target MME to enable the target SGSN or the target MME to deliver the PS access capability to the target base station.

In another aspect, a specific embodiment of the present invention provides a base station controller, where the base station controller includes: a transmitter and a processor;

The processor is configured to acquire a user equipment UE when performing a reverse single wireless voice call continuity rSRVCC handover Transmitting, by the packet, the PS access capability, and transmitting the acquired PS access capability of the UE to the transmitter;

The transmitter is configured to send the PS access capability acquired by the processor to the rSRVCC The target base station for handover.

Optionally, the processor is specifically configured to:

Receiving a class change message carrying the PS access capability reported by the UE Message; wherein the PS access capability is carried in the new IE in the Classmark change message;

Optionally, the processor is specifically configured to:

Sending, to the UE, a class label query carrying the indication that the UE reports the PS access capability, CLASSMARK ENQUIRY message; receiving a new message returned by the UE carrying the PS access capability.

Optionally, the processor is specifically configured to:

Optionally, the transmitter is specifically configured to:

In a final aspect, a specific embodiment of the present invention provides a network device, where the network device includes: a transmitter and a processor;

Optionally, the processor is specifically configured to:

Optionally, the transmitter is specifically configured to:

The PS is when the rSRVCC is handed over to the global terrestrial radio access network UTRAN The access capability is carried in the redirect request Relocation Request message and sent to the target base station;

Optionally, the transmitter is specifically configured to:

Beneficial effect

The technical solution provided by the embodiment of the present invention acquires the PS of the UE by the network device when performing rSRVCC handover Access capability, and the PS access capability is sent to the target base station of the rSRVCC handover, so that the target base station can learn the PS access capability of the UE, so that the target base station can be based on the UE's PS. The access capability is better to allocate scheduling resources for the UE.

DRAWINGS

FIG. 1 is a flowchart of a method for acquiring a PS access capability of a UE according to an embodiment of the present invention;

2 is a structural block diagram of a base station controller according to an embodiment of the present invention;

3 is a structural block diagram of a network device according to an embodiment of the present invention;

4 is a structural diagram of a base station controller according to an embodiment of the present invention; and

FIG. 5 is a structural diagram of a network device according to an embodiment of the present invention.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A specific embodiment of the present invention provides a PS for acquiring a UE. A method for accessing a capability, the method is implemented by a network device, and the network device may be specifically: a Mobile Switching Center (MSC), a BSC , Service Support Node (Serving GPRS SUPPORT NODE GPRS, SGSN) or Mobility Management (Mobility Management) Entity , MME ); This method is shown in Figure 1, including:

S11, when performing rSRVCC handover, the network device acquires the PS access capability of the UE;

S12. The network device sends the PS access capability to the target base station of the rSRVCC handover.

The method provided by the specific embodiment of the present invention acquires the PS of the UE by the network device when performing the rSRVCC handover. Access capability, and the PS access capability is sent to the target base station of the rSRVCC handover, so that the target base station can learn the PS access capability of the UE, so that the target base station can be based on the UE's PS. The access capability is better to allocate scheduling resources for the UE.

Optionally, the foregoing target base station may be: an RNC or an eNB.

Optionally, the specific implementation manner of the foregoing S11 may be any one of the following manners: when the network device is a BSC The implementation manner may be any one of the following manners A, B, or E. When the network device is the target SGSN or the target MME, the implementation manner may be as follows: When the network device is an MSC, its implementation can be as follows:

Mode A: Receives the PS access capability reported by the UE when performing the rSRVCC handover.

The specific implementation method of the PS access capability reported by the UE may be: The IE is added to the message (the class change message). The new IE carries the PS access capability. Of course, a new message can be added to carry the PS access capability. The new message can be: PS Classmark change message, of course, in the actual application, it can also be other new messages.

The mode B sends an indication message for reporting the PS access capability to the UE, and receives the PS returned by the UE according to the indication message. Access capability.

The foregoing indication message may specifically be: a CLASSMARK ENQUIRY message; The new indication for CLASSMARK ENQUIRY can be PS RAC MASK. The above new instructions are used to instruct the UE to report the PS. Access capability, of course, the above new instructions can also be used in other ways. The returned PS access capability can carry a new message replied by the UE (PS CLASSMARK CHANGE Inside, of course, in the actual situation, you can also add PS access capability in the IE in the Classmark change message or carry the PS in other messages. The access capability, of course, the new message may also have other manifestations. The embodiment of the present invention does not limit the representation of the new message.

Mode C. When performing rSRVCC handover, the network device acquires the PS of the UE from the source SGSN. Access capabilities can be divided into two ways.

The first way may be: acquiring the PS of the UE from the target SGSN or the target MME to the source SGSN. In the context, receiving a PS context response message sent by the source SGSN and carrying the PS access capability, for example, by using a context response Adding mobile station radio access capability IE (MS RAC IE) in the (Context Response) message ) Carrying the PS access capability, of course, can also report the UE's PS access capability through other messages. The PS access capability of the UE is that the UE is attached to the attach. Or when the routing area updates Routing area updating (RAU), the PS access capability is sent to the source SGSN.

The second type may be: sending, to the source SGSN, the PS indicating that the source SGSN reports the UE The request message of the access capability receives the response message of the carried PS access capability returned by the source SGSN; wherein the response message carrying the PS access capability may be: adding the MS RAC IE The context response message may be: the request message indicating that the source SGSN reports the PS access capability may be: adding MS RAC required Indication IE's context request message, the MS RAC required indication IE represents the target ( Target ) MME/SGSN asks for source SGSN PS Access capability. Certainly, in the actual application, the foregoing request message and the response message may also be replaced by other messages. The specific embodiment of the present invention does not limit the specific expression form of the request message or the response message.

Mode D: When performing rSRVCC handover, the network device receives the non-access stratum reported by the UE ( Non-access stratum (NAS) message, the NAS message carries PS access capability. It should be noted that the UE reported by the UE carries the PS access capability. There are two implementations of the NAS message. The first type, the UE actively reports the NAS message. The second type, after the network side device sends an indication message for reporting the PS access capability to the UE, the UE returns to carry the PS message. Access capability NAS messages.

In the mode E, when the rSRVCC is switched, the network device receives the PS access capability reported by the UE. NAS message, parsing NAS message to get PS access capability.

Optionally, when the implementation manner of the foregoing S11 is mode A, mode B, and mode E, implementing S12 The specific method can be:

The BSC sends the PS access capability to the target base station in the rSRVCC handover procedure, specifically in the handover request ( HANDOVER REQUIRED ) Fill in the source RNC to the target RNC pass-through information cell (Source RNC to target RNC Transparent information IE ) to carry PS access capability. The method for completing the source RNC to the target RNC transparent transmission information cell may specifically include:

When switching to UTRAN, at Source RNC to target RNC Transparent information IE fills in the source RNC to the target RNC transparent container cell (Source RNC to target RNC Transparent container information element ). Wherein, the source RNC to the target RNC transparent container cell includes MS RAC IE, the MS RAC IE fills in the PS access capability. For details, see the protocol TS25.413. Use this element ( information element , IE) structure, no need to add IE format, and the target base station can obtain PS access capability without any modification.

Source RNC to target RNC when switching to E-UTRAN Transparent information IE fills in the source eNB to the target eNB transparently transmits the container cell Source eNB to target eNB The transparent container IE, the source eNB to the target eNB transparently transmits the container cell to include the MS RAC IE. For details, refer to the protocol TS36.413. . Since the MS RAC IE is filled with the PS access capability, the IE format is not required to be added, and the target base station can obtain the PS access capability without any modification.

Optionally, fill in the source evolved base station to the target evolved base station in the handover request HANDOVER REQUIRED The method of the eNB transparent information IE includes:

Optionally, when the implementation manner of the S13 is the mode C, the method for implementing the S12 may be specifically:

When switching to UTRAN, the target SGSN or MME carries the PS access capability The Relocation Request message is sent to the target base station; or,

When switching to E-UTRAN, the target SGSN or MME carries the PS access capability The Handover Request message is sent to the target base station.

Optionally, when the manner of the foregoing S11 is D, the method for implementing the S12 may be specifically:

MSC carries PS through CS TO PS HO REQUEST (circuit domain to packet domain handover request) message Access capability to the target SGSN or MME to enable the target SGSN or MME to deliver the PS access capability to the target base station. Where the target SGSN or MME will be PS The implementation manner of the access capability being sent to the target base station may be:

A specific embodiment of the present invention provides a base station controller, where the base station controller is as described in FIG. 2, and includes:

The acquiring unit 21 is configured to acquire the user equipment when performing the reverse single wireless voice call continuity rSRVCC handover The UE exchanges the PS access capability of the UE, and transmits the acquired PS access capability of the UE to the sending unit 22;

The sending unit 22 is configured to send the PS access capability acquired by the obtaining unit 21 to the rSRVCC The target base station for handover.

Optionally, the obtaining unit 21 is specifically configured to:

Receive the class change message carrying the PS access capability reported by the UE. Classmark change Message; wherein the PS access capability is carried in the new IE in the Classmark change message;

It should be noted that the specific expression form of the above new message can be referred to the description in the above method, and the above new IE is added. The implementation of the method can also be referred to the description in the above method, which is not described here.

Optionally, the obtaining unit 21 includes:

The sending module 211 is configured to send, to the UE, a class label query carrying the indication that the UE reports the PS access capability. CLASSMARK ENQUIRY message;

The receiving module 212 is configured to receive a new message that is returned by the UE and carries the PS access capability.

Optionally, the obtaining unit 21 is specifically configured to:

Receiving a non-access stratum NAS message carrying the PS access capability reported by the UE, parsing the NAS message to obtain a PS Access capability.

Optionally, the sending unit 22 is specifically configured to:

Fill in the source RNC to the target RNC pass-through information cell in the switch request HANDOVER REQUIRED Source RNC to target RNC transparent information IE ; where the source RNC to the target RNC The transparent information information cell includes: PS access capability.

Optionally, the sending unit 22 is specifically configured to:

The base station controller provided by the specific embodiment of the present invention acquires the PS of the UE by the base station controller when performing rSRVCC handover. Access capability, and the PS access capability is sent to the target base station of the rSRVCC handover, so that the target base station can learn the PS access capability of the UE, so that the target base station can be based on the UE's PS. The access capability is better to allocate scheduling resources for the UE.

The present invention further provides a network device, which may specifically be: MSC, SGSN or MME , wherein the network device is as shown in FIG. 3, and includes:

The obtaining unit 31 is configured to acquire the user equipment UE when performing the reverse single wireless voice call continuity rSRVCC handover Packet switching PS access capability, and the acquired PS access capability of the UE is transmitted to the sending unit 32;

The sending unit 32 is configured to send the PS access capability acquired by the obtaining unit 31 to the rSRVCC The target base station for handover.

Optionally, the foregoing network device may be any one of the following configurations, where, in the case of configuration 1, the foregoing network device may be: MME Or SGSN, when configured as 2, the above network device can be: MSC.

Configuration 1: The above obtaining unit 31 is specifically used,

Receiving the PS that carries the PS access capability sent by the source SGSN when acquiring the PS context of the UE Context response message;

Or sending a request message to the source SGSN indicating that the source SGSN reports the PS access capability, and the receiving source SGSN The response message sent with the PS access capability is sent.

It should be noted that the specific expression of the foregoing request message or the response message can be referred to the description in the foregoing method, and details are not described herein again.

The sending unit 32 is specifically configured to:

When the rSRVCC is handed over to the global terrestrial radio access network UTRAN, the PS access capability is carried in the redirect request The Relocation Request message is sent to the target base station; or,

When the rSRVCC is switched to the E-UTRAN of the Evolved Global Terrestrial Radio Access Network, the PS will be The access capability is carried in the handover request Handover Request message and sent to the target base station.

Configuration 2: The above obtaining unit 31 is specifically used,

Receiving a non-access stratum NAS message carrying the PS access capability reported by the UE, the NAS message carrying the PS message Access capability.

The sending unit 32 is specifically used for:

Switching request from circuit domain to packet domain CS TO PS HO REQUEST message carrying PS The access capability is sent to the target SGSN or the target MME to enable the target SGSN or the target MME to deliver the PS access capability to the target base station.

The network device provided by the specific embodiment of the present invention acquires the PS of the UE by the network device when performing rSRVCC handover. Access capability, and the PS access capability is sent to the target base station of the rSRVCC handover, so that the target base station can learn the PS access capability of the UE, so that the target base station can be based on the UE's PS. The access capability is better to allocate scheduling resources for the UE.

A specific embodiment of the present invention further provides a base station controller, as shown in FIG. 4, the base station controller includes: a processor 41 and a transmitter 42 ;

The processor 41 is configured to acquire the user equipment when performing the reverse single wireless voice call continuity rSRVCC handover The UE exchanges the PS access capability of the UE, and transmits the acquired PS access capability of the UE to the transmitter 42;

a transmitter 42 configured to send the PS access capability acquired by the processor 41 to the rSRVCC The target base station for handover.

Optionally, the processor 41 is specifically configured to:

Sending to the UE a class label query carrying the indication UE to report the PS access capability CLASSMARK ENQUIRY Message; receiving a new message returned by the UE carrying the PS access capability.

Optionally, the processor 41 is specifically configured to:

Optionally, the transmitter 42 is specifically configured to:

A specific embodiment of the present invention further provides a network device, as shown in FIG. 5, including: a processor 51 and a transmitter 52. ;

The processor 51 is configured to acquire the user equipment when performing the reverse single wireless voice call continuity rSRVCC handover The UE exchanges the PS access capability of the UE, and transmits the acquired PS access capability of the UE to the transmitter 52;

a transmitter 52, configured to send the PS access capability acquired by the processor 51 to the rSRVCC The target base station for handover.

Optionally, the network device has two configurations. When the configuration is 1, the network device may be an SGSN or an MME. When the configuration is 2, the foregoing network device may be: MSC, and the foregoing configuration is as follows:

Configuration 1: Processor 51 is specifically used,

When acquiring the PS context of the UE, the PS that carries the PS access capability sent by the source SGSN is received. Context response message;

Transmitter 52 is specifically used to:

Configuration 2: Processor 51 is specifically used,

Transmitter 52 is specifically used to:

Those skilled in the art can understand that all or part of the technical solutions provided by the embodiments of the present invention can be completed by using related hardware of the program instructions. For example, it can be done by computer running. The program can be stored in a readable storage medium such as a random access memory, a magnetic disk, an optical disk, or the like.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A method for obtaining a PS access capability of a UE, where the method includes:

When performing a reverse single wireless voice call continuity rSRVCC handover, the network device acquires a packet exchange PS of the user equipment UE Access capability

The network device sends the PS access capability to the target base station of the rSRVCC handover.
The method according to claim 1, wherein when the network device is a base station controller BSC, the network device acquires a PS of the UE Access capabilities include:

Receiving a class change message carrying the PS access capability reported by the UE, a Classmark change message The PS access capability is carried in the new cell IE in the Classmark change message;

Or receiving a new message that is reported by the UE and carrying the PS access capability.
The method according to claim 1, wherein when the network device is a base station controller BSC, the network device acquires a PS of the UE Access capabilities include:

Sending, by the BSC, the class label query carrying the PS access capability to the UE, the CLASSMARK ENQUIRY And receiving a new message that is returned by the UE and carrying the PS access capability.
The method according to claim 1, wherein when the network device is a base station controller BSC, the network device acquires a PS of the UE Access capabilities include:

Receiving, by the BSC, the non-access stratum NAS message carrying the PS access capability, and parsing the NAS message to obtain the PS Access capability.
The method according to claim 1, wherein when the network device is a target service support node SGSN or a target mobility management entity MME The acquiring, by the network device, the PS access capability of the UE includes:

Receiving the source SGSN when the target SGSN or the target MME acquires the PS context of the UE from the source SGSN Sending a PS context response message carrying the PS access capability;

Or the target SGSN or the target MME sends a request message to the source SGSN indicating that the source SGSN reports the PS access capability, and receives the source. The response message sent by the SGSN carrying the PS access capability.
The method according to claim 1, wherein when the network device is a mobility management entity MSC, the network device acquires a PS of the UE Access capabilities include:

Receiving, by the MSC, a non-access stratum NAS message carrying the PS access capability, where the NAS message carries the PS Access capability.
The method according to any one of claims 2 to 4, wherein said network device transmits said PS access capability to said rSRVCC The target base station for handover specifically includes:

BSC fills in the source of the handover request HANDOVER REQUIRED The wireless network controller to the target wireless network controller transparent information cell Source RNC to target RNC transparent information IE; wherein the source radio network controller to the target radio network controller The transparent information information element includes the PS access capability.
The method according to claim 7, wherein said filling in a source wireless network controller to a target in a handover request HANDOVER REQUIRED Radio Network Controller Transparent Information Element Source RNC to target RNC transparent information IE The method specifically includes:

When the rSRVCC is switched to the global terrestrial radio access network UTRAN, the Source RNC to target RNC Transparent information IE fill in the source wireless network controller to the target wireless network controller transparent container cell Source RNC to target RNC transparent container IE , the source RNC to target RNC transparent container IE includes mobile station wireless access capability cell MS RAC IE; or,

When the rSRVCC is handed over to the evolved global terrestrial radio access network E-UTRAN, the source RNC to target RNC transparent information IE fill in the source evolved base station to the target evolved base station transparent container cell Source eNB to target eNB transparent container IE , the Source eNB to target eNB transparent container IE includes MS RAC IE.
The method according to any one of claims 2 to 4, wherein said network device transmits said PS access capability to said rSRVCC The target base station for handover specifically includes:

BSC fills in the handover request HANDOVER REQUIRED source evolved base station to target evolved base station transparent information cell Source eNB to target eNB transparent information IE; wherein the source evolved base station to the target evolved base station The transparent information information element includes the PS access capability.
The method according to claim 9, wherein said filling in a source evolved base station to a target in a handover request HANDOVER REQUIRED Evolved base station transparent transmission information element Source eNB to target eNB transparent information IE The method specifically includes:

Fill in the source in the Source eNB to target eNB transparent information IE Evolved base station to target evolved base station transparent container cell Source eNB to target eNB transparent container IE Source eNB to target eNB transparent container IE contains MS RAC IE.
The method according to claim 5, wherein said network device sends said PS access capability to said rSRVCC The target base station for handover specifically includes:

When the rSRVCC is handed over to the global terrestrial radio access network UTRAN, the target SGSN or MME will refer to the PS The access capability is carried in the redirect request Relocation Request message and sent to the target base station; or,

When the rSRVCC is handed over to the Evolved Global Terrestrial Radio Access Network E-UTRAN, the target SGSN or MME will refer to the PS The access capability is carried in the handover request Handover Request message and sent to the target base station.
The method according to claim 6, wherein said network device sends said PS access capability to said rSRVCC The target base station for handover specifically includes:

The MSC passes the circuit domain to packet domain handover request CS TO PS HO REQUEST message carries the PS access capability to the target SGSN Or the target MME, so that the target SGSN or the target MME sends the PS access capability to the target base station.
A base station controller, wherein the base station controller comprises:

An obtaining unit, configured to acquire a packet exchange PS of the user equipment UE when performing a reverse single wireless voice call continuity rSRVCC handover Access capability, and transmitting the acquired PS access capability of the UE to the sending unit;

The sending unit is configured to send the PS access capability acquired by the acquiring unit to the rSRVCC The target base station for handover.
The base station controller according to claim 13, wherein the acquiring unit is specifically configured to:

Receiving, by the UE, a class change message carrying the PS access capability, a Classmark change message; The PS access capability is carried in the new IE in the Classmark change message;

Or receiving a new message that is reported by the UE and carrying the PS access capability.
The base station controller according to claim 13, wherein the acquiring unit specifically includes:

a sending module, configured to send, to the UE, a class label query carrying the indication that the UE reports the PS access capability, CLASSMARK ENQUIRY Message

The receiving module is configured to receive a new message returned by the UE and carrying the PS access capability.
The base station controller according to claim 13, wherein the acquiring unit specifically includes:

Receiving a non-access stratum NAS message carrying the PS access capability reported by the UE, parsing the NAS message to obtain the PS Access capability.
The base station controller according to any one of claims 13 - 16, wherein the sending unit is specifically configured to:

Fill in the source HANDOVER REQUIRED source wireless network controller to the target wireless network controller transparent information cell Source RNC to target RNC transparent information IE; wherein the source radio network controller to the target radio network controller The transparent information information element includes the PS access capability.
The base station controller according to any one of claims 13 - 16, wherein the sending unit is specifically configured to:

Fill in the source of the handover request HANDOVER REQUIRED Evolved base station to the target Evolved base station Transparent transmission information cell Source eNB to target eNB transparent information IE; wherein the source evolved base station to the target evolved base station transparent transmission information cell includes the PS access capability.
A network device, where the network device includes:

An obtaining unit, configured to acquire a packet exchange PS of a user equipment UE when performing a reverse single wireless voice call continuity rSRVCC handover Access capability, and transmitting the acquired PS access capability of the UE to the sending unit;

The sending unit is configured to send the PS access capability acquired by the acquiring unit to the rSRVCC The target base station for handover.
The network device according to claim 19, wherein the obtaining unit is specifically configured to:

Receiving, by the source service support node SGSN, the PS carrying the PS access capability when acquiring the PS context of the UE Context response message;

Or sending a request message to the source SGSN indicating that the source SGSN reports the PS access capability, and receiving the source SGSN to send the carrying message PS access capability response message.
The network device according to claim 19, wherein the obtaining unit is specifically configured to:

Receiving, by the UE, a non-access stratum NAS message carrying the PS access capability, where the NAS message carries the PS Access capability.
The network device according to claim 20, wherein the sending unit is specifically configured to:

When the rSRVCC is handed over to the global terrestrial radio access network UTRAN, the PS access capability is carried in a redirection request The Relocation Request message is sent to the target base station; or,

When the rSRVCC is handed over to the evolved global terrestrial radio access network E-UTRAN, the PS access capability is carried in the handover request The Handover Request message is sent to the target base station.
The network device according to claim 21, wherein the sending unit is specifically configured to:

The CS TO PS HO REQUEST message carries the PS access capability to the target SGSN or target through the circuit domain to packet domain handover request The MME is configured to enable the target SGSN or the target MME to deliver the PS access capability to the target base station.
A base station controller, characterized in that the base station controller comprises: a transmitter and a processor;

The processor, when performing a reverse single wireless voice call continuity rSRVCC handover, the network device acquires a packet exchange of the user equipment UE, the PS Accessing capability, and transmitting the acquired PS access capability of the UE to the transmitter;

The transmitter is configured to send the PS access capability acquired by the processor to a target base station that is rSRVCC handover.
The base station controller according to claim 24, wherein the processor is specifically configured to:

Receiving a class change message carrying the PS access capability reported by the UE, a Classmark change message Wherein the PS access capability is carried in the new IE in the Classmark change message;

Or receiving a new message that is reported by the UE and carrying the PS access capability.
The base station controller according to claim 24, wherein the processor is specifically configured to:

Sending, to the UE, a class label query CLASSMARK ENQUIRY message carrying the indication that the UE reports the PS access capability; receiving The UE returns a new message carrying the PS access capability.
The base station controller according to claim 24, wherein the processor is specifically configured to:

Receiving a non-access stratum NAS message carrying the PS access capability reported by the UE, parsing the NAS message to obtain the PS Access capability.
The base station controller according to any one of claims 24 to 26, wherein the transmitter is specifically configured to:

Fill in the source HANDOVER REQUIRED source wireless network controller to the target wireless network controller transparent information cell Source RNC to target RNC transparent information IE; wherein the source radio network controller to the target radio network controller The transparent information information element includes the PS access capability.
The base station controller according to any one of claims 24 to 26, wherein the transmitter is specifically configured to:

Fill in the source of the handover request HANDOVER REQUIRED Evolved base station to the target Evolved base station Transparent transmission information cell Source eNB to target eNB transparent information IE; wherein the source evolved base station to the target evolved base station transparent transmission information cell includes the PS access capability.
A network device, the network device comprising: a transmitter and a processor;

The processor, when performing a reverse single wireless voice call continuity rSRVCC handover, the network device acquires a packet exchange of the user equipment UE, the PS Accessing capability, and transmitting the acquired PS access capability of the UE to the transmitter;

The transmitter is configured to send the PS access capability acquired by the processor to a target base station that is rSRVCC handover.
The network device according to claim 30, wherein the processor is specifically configured to:

Receiving, by the source service support node SGSN, the PS carrying the PS access capability when acquiring the PS context of the UE Context response message;

Or sending a request message to the source SGSN indicating that the source SGSN reports the PS access capability, and receiving the source SGSN to send the carrying message PS access capability response message.
The network device according to claim 30, wherein the processor is specifically configured to:

Receiving, by the UE, a non-access stratum NAS message carrying the PS access capability, where the NAS message carries the PS Access capability.
The network device according to claim 31, wherein the transmitter is specifically configured to:

When the rSRVCC is handed over to the global terrestrial radio access network UTRAN, the PS access capability is carried in a redirection request The Relocation Request message is sent to the target base station;

When the rSRVCC is handed over to the evolved global terrestrial radio access network E-UTRAN, the PS access capability is carried in the handover request The Handover Request message is sent to the target base station.
The network device according to claim 32, wherein the transmitter is specifically configured to:

The CS TO PS HO REQUEST message carries the PS access capability to the target SGSN or target through the circuit domain to packet domain handover request The MME is configured to enable the target SGSN or the target MME to deliver the PS access capability to the target base station.