CN103987123B - Return to the processing method and system of evolution system - Google Patents
Return to the processing method and system of evolution system Download PDFInfo
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- CN103987123B CN103987123B CN201310049844.0A CN201310049844A CN103987123B CN 103987123 B CN103987123 B CN 103987123B CN 201310049844 A CN201310049844 A CN 201310049844A CN 103987123 B CN103987123 B CN 103987123B
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Abstract
The present invention provides a kind of processing method and system for returning to evolution system, belongs to wireless communication field.Wherein, returning to the processing method of evolution system includes：Radio Access Controller determines that user terminal is used for the scheduling strategy of indicating user terminal from the time of circuit domain return evolution system, the RFSP ID according to the user terminal RFSPID of acquisition；Radio Access Controller sends RRC release messages to the user terminal, indicates that the user terminal returns to the time of evolution system.Technical scheme can realize the control that evolution system is returned to user terminal.
Description
Technical field
The present invention relates to wireless communication field, particularly relates to a kind of processing method and system for returning to evolution system.
Background technology
Third generation partner program（3rd Generation Partnership Project, 3GPP）Define general
Packet wireless business（GPRS）Long Term Evolution（LTE）With the packet-based core networks of evolution（Abbreviation EPC）System.Evolution system is in portion
Administration initial stage, do not support voice service, a solution is CSFB (CSfallback, circuit domain retract)：By user terminal from
Evolution system return back to traditional UTRAN/GERAN（Universal Mobile Telecommunication System
Radio Access Network/GSM EDGE Radio Access Network, global system for mobile communications wireless access
Net, refer to GPRS wireless network, UTRAN represents 3G, and GERAN represents 2G）The circuit domain of system, and be user terminal in circuit domain
Voice service is provided, specific framework is as shown in figure 1, the function of each network element is as follows：
User terminal（User Equipment, UE）, UE have can access two kinds of wireless networks of UTRAN/GERAN and LTE
Ability.
Evolution radio node (evolved NodeB, eNodeB), the radio node of evolution can provide ratio on eating dishes without rice or wine
Up-downgoing speed higher UTRAN, lower transmission delay and relatively reliable is wirelessly transferred.ENodeB provides for UE access
Radio Resource, while the link of S1 chains of command is established between core net MME.
Mobility management entity（Mobility Management Entity, MME）, it is a control face entity, temporarily
The server of user terminal data is stored, is responsible for and stores UE contexts（Such as UE/ user terminal identifications, mobility pipe
Reason state, user terminal security parameter etc.）, MME is responsible for authenticating user terminal when user terminal accesses from LTE.
In traditional circuit domain exchanges (Circuit Switch, CS) framework, core network element has mobile switching centre
（Mobile Switching Center, abbreviation MSC）And VLR Visitor Location Register（Visitor Location Register,
Abbreviation VLR）, MSC and VLR are physically typically combined.
Circuit domain Radio Access Controller, effect is similar with the eNodeB in evolution architecture, is also responsible for the nothing between UE
Line resource management and established between core net Iu mouths connection.For 3G network, radio network controller (Radio
Network Controller, RNC) it is responsible for user terminal wireless access control, for 2G networks, base station controller
(Base Station Controller, BSC) is responsible for user terminal wireless access control.
Home subscriber terminal server（Home Subscriber Server, HSS）, for preserving the signing of user terminal
Data, when user terminal respectively from MME or MSC VLR access and when registered by S6a or D interface to HSS, HSS is issued
Corresponding subscription data to MME or MSC VLR.
In order to support user terminal returning back to CS domains from LTE, MME and MSC add interface SGs between VLR and connect
Mouthful, the interface mainly completed when user terminal access from LTE, to MSC VLR initiate CS and register；Reached when speech is called into
MSC VLR when, by SGs interfaces to MME initiate page, trigger MME calling user terminals in LTE.
User terminal is return back into CS domains from LTE a variety of methods：
If system supports PS switchings, eNodeB initiates switching command to UE, and the inside band CSFB instruction message is whole by user
End is switched to PS from LTE, and initiates voice call (rise exhale or exhale eventually) in CS, if not supporting that CS and PS are concurrent, PS is held
Load needs temporary suspension, waits CS end of callings to recover again again afterwards.
If system does not support PS to switch, eNodeB initiates RRC release messages to UE, and the inside indicates with corresponding CSFB,
Triggering UE initiates voice call (rise exhale or exhale eventually) in CS, if not supporting that CS and PS are concurrent, PS carryings need temporary suspension, etc.
Recover again again after CS end of callings.
User terminal is return back to after circuit domain, and user terminal exhale or exhaled eventually, completes voice communication, afterwards user
Terminal can continue to reside under circuit domain, can also return under LTE, and return course depends on the selection of terminal, i.e., eventually
End can return and can not also return, if but user terminal select in the case of LTE network congestion return LTE, can aggravate
Network congestion, it can not more alleviate network congestion.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of processing method and system for returning to evolution system, can realize
The control of evolution system is returned to user terminal.
In order to solve the above technical problems, embodiments of the invention offer technical scheme is as follows：
On the one hand, there is provided a kind of processing method for returning to evolution system, including：
Radio Access Controller determines that user terminal returns to evolution system from circuit domain according to the user terminal RFSP ID of acquisition
The time of system, the RFSP ID are used for the scheduling strategy of indicating user terminal；
Radio Access Controller sends RRC release messages to the user terminal, indicates that the user terminal returns to evolution
The time of system.
Further, the Radio Access Controller determines user terminal from electricity according to the user terminal RFSP ID of acquisition
Road domain also includes before returning to the time of evolution system：
Radio Access Controller receives the RFSP ID for the user terminal that MSC/VLR is sent.
Further, in 3G network, the Radio Access Controller is RNC, and the Radio Access Controller receives
The RFSP ID for the user terminal that MSC/VLR is sent include：
The Radio Access Controller receives the user terminal that MSC/VLR is sent by direct-sending message or Iu release messages
RFSP ID；
In 2G networks, the Radio Access Controller is BSC, and the MSC/VLR sends the RFSP ID of user terminal
Include to Radio Access Controller：
It is whole that the Radio Access Controller receives the user that MSC/VLR is sent by direct-sending message or A interfaces release message
The RFSP ID at end.
Further, the Radio Access Controller also wraps before receiving the RFSPID for the user terminal that MSC/VLR is sent
Include：
MME receives the combined registering request or joint tracing section updating request that user terminal is sent, and belongs to user terminal
HSS send request user terminal signing information position updating request；
MME receives the user terminal signing information that the HSS is returned；
MME forms the RFSP ID of user terminal according to the user terminal signing information, and the RFSP ID are passed through
Position updating request be sent to MSC VLR, so as to the MSC VLR preserve user terminal RFSP ID.
Further, the MME forms the RFSPID of user terminal according to the user terminal signing information, and by described in
RFSP ID by position updating request be sent to MSC also include after VLR：
MME receives the insertion user data requests that the HSS of user terminal ownership is sent, described to insert in user data requests
Carry amended user terminal signing information；
MME forms the amended RFSPID of user terminal according to the amended user terminal signing information, and by institute
State amended RFSP ID by position updating request be sent to MSC VLR, so as to the MSC after VLR preserves the modification
RFSP ID.
The embodiment of the present invention additionally provides a kind of processing system for returning to evolution system, including：
Radio Access Controller, for determining that user terminal returns from circuit domain according to the user terminal RFSP ID of acquisition
The time of evolution system, the RFSP ID are used for the scheduling strategy of indicating user terminal, and sending RRC to the user terminal releases
Message is put, indicates that the user terminal returns to the time of evolution system；
User terminal, for receiving the RRC release messages, evolution is returned to according to the time of the return evolution system of instruction
System.
Further, the processing system also includes：
MSC/VLR, for the RFSP ID of user terminal to be sent into Radio Access Controller.
Further, in 3G network, the Radio Access Controller is RNC,
The MSC/VLR is specifically used for being sent to the RFSPID of user terminal by direct-sending message or Iu release messages
RNC；
In 2G networks, the Radio Access Controller is BSC,
The MSC/VLR is specifically used for sending the RFSP ID of user terminal by direct-sending message or A interfaces release message
To BSC.
Further, the processing system also includes：
MME, for receiving the combined registering request or joint tracing section updating request of user terminal transmission, to user terminal
The HSS of ownership sends the position updating request of request user terminal signing information, receives the user terminal signing that the HSS is returned
Information, according to the user terminal signing information formed user terminal RFSP ID, and by the RFSP ID by position more
New request be sent to MSC VLR；
HSS, the position updating request of the request user terminal signing information sent for receiving the MME, and to described
MME returns to user terminal signing information；
The MSC VLR, the position updating request for carrying user terminal RFSP ID sent for receiving the MME,
And preserve the RFSP ID of user terminal.
Further, the HSS is additionally operable to send insertion user data requests, the insertion user data to the MME
Amended user terminal signing information is carried in request；
The MME is additionally operable to receive the insertion user data requests, according to the amended user terminal signing letter
Breath forms the amended RFSP ID of user terminal, and the amended RFSP ID are sent to by position updating request
MSC\VLR；
The MSC VLR be additionally operable to receive the location updating for carrying amended RFSP ID that the MME is sent please
Ask, and preserve the amended RFSP ID of user terminal.
Embodiments of the invention have the advantages that：
In such scheme, Radio Access Controller obtains the user terminal RFSP ID of the scheduling strategy of indicating user terminal,
And determine that user terminal from the time of circuit domain return evolution system, sends RRC releases and disappeared afterwards according to user terminal RFSP ID
Breath is to user terminal, so that user terminal returns to evolution system according to the time of the return evolution system of instruction.The skill of the present invention
Art scheme can realize the control for returning to evolution system from circuit domain to user terminal.
Brief description of the drawings
Fig. 1 is the structural representation of evolution system in the prior art；
Fig. 2 is that user terminal of the embodiment of the present invention is registered from evolution system, and is carried out by SGs interfaces to circuit domain
The schematic flow sheet of registration；
Fig. 3 is that user terminal return back to circuit domain from evolution system and returned again from circuit domain in 3G network of the embodiment of the present invention
Return the schematic flow sheet of evolution system；
Fig. 4 is that user terminal return back to circuit domain from evolution system and returned again from circuit domain in 2G networks of the embodiment of the present invention
Return the schematic flow sheet of evolution system；
Fig. 5 be the embodiment of the present invention by amended user terminal RFSP ID notify to MSC VLR schematic flow sheet.
Embodiment
To make embodiments of the invention technical problems to be solved, technical scheme and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
Embodiments of the invention are directed to the process that can not return to evolution system from circuit domain to user terminal in the prior art
The problem of being controlled, there is provided a kind of processing method and system for returning to evolution system, can realize to return to user terminal and drill
Enter the control of system.
The processing method of the return evolution system of the embodiment of the present invention, including：
Step a：Radio Access Controller determines that user terminal returns from circuit domain according to the user terminal RFSP ID of acquisition
The time of evolution system, the RFSP ID are used for the scheduling strategy of indicating user terminal；
Step b：Radio Access Controller sends RRC release messages to the user terminal, indicates that the user terminal returns
Return the time of evolution system.
Wherein, also include before step a：
Radio Access Controller receives the RFSP ID for the user terminal that MSC/VLR is sent.
Further, in 3G network, the Radio Access Controller is RNC, and the Radio Access Controller receives
The RFSP ID for the user terminal that MSC/VLR is sent include：
The Radio Access Controller receives the user terminal that MSC/VLR is sent by direct-sending message or Iu release messages
RFSP ID；
In 2G networks, the Radio Access Controller is BSC, and the MSC/VLR sends the RFSP ID of user terminal
Include to Radio Access Controller：
It is whole that the Radio Access Controller receives the user that MSC/VLR is sent by direct-sending message or A interfaces release message
The RFSP ID at end.
Further, the Radio Access Controller also wraps before receiving the RFSPID for the user terminal that MSC/VLR is sent
Include：
MME receives the combined registering request or joint tracing section updating request that user terminal is sent, and belongs to user terminal
HSS send request user terminal signing information position updating request；
MME receives the user terminal signing information that the HSS is returned；
MME forms the RFSP ID of user terminal according to the user terminal signing information, and the RFSP ID are passed through
Position updating request be sent to MSC VLR, so as to the MSC VLR preserve user terminal RFSP ID.
Further, the MME forms the RFSPID of user terminal according to the user terminal signing information, and by described in
RFSP ID by position updating request be sent to MSC also include after VLR：
MME receives the insertion user data requests that the HSS of user terminal ownership is sent, described to insert in user data requests
Carry amended user terminal signing information；
MME forms the amended RFSPID of user terminal according to the amended user terminal signing information, and by institute
State amended RFSP ID by position updating request be sent to MSC VLR, so as to the MSC after VLR preserves the modification
RFSP ID.
In the present embodiment, Radio Access Controller obtains the user terminal RFSP ID of the scheduling strategy of indicating user terminal,
And determine that user terminal from the time of circuit domain return evolution system, sends RRC releases and disappeared afterwards according to user terminal RFSP ID
Breath is to user terminal, so that user terminal returns to evolution system according to the time of the return evolution system of instruction.The skill of the present invention
Art scheme can realize the control for returning to evolution system from circuit domain to user terminal.
As shown in Fig. 2 ~ Fig. 5, the embodiment of the present invention additionally provides a kind of processing system for returning to evolution system, including：
Radio Access Controller 10, determine user terminal 11 from circuit domain for the user terminal RFSP ID according to acquisition
The time of evolution system is returned to, RFSP ID are used for the scheduling strategy of indicating user terminal, and RRC releases are sent to user terminal 11
Message, indicating user terminal return to the time of evolution system；
User terminal 11, for receiving RRC release messages, evolution system is returned to according to the time of the return evolution system of instruction
System.
Further, processing system also includes：
MSC/VLR14, for the RFSP ID of user terminal to be sent into Radio Access Controller 10.
Further, in 3G network, Radio Access Controller RNC,
MSC/VLR14 is specifically used for being sent to the RFSP ID of user terminal by direct-sending message or Iu release messages
RNC10；
In 2G networks, Radio Access Controller BSC,
MSC/VLR14 is specifically used for being sent to the RFSP ID of user terminal by direct-sending message or A interfaces release message
BSC10。
Further, processing system also includes：
MME12, for receiving the combined registering request or joint tracing section updating request of the transmission of user terminal 10, to user
The HSS that terminal 10 belongs to sends the position updating request of request user terminal signing information, receives the user terminal label that HSS is returned
About information, forms the RFSP ID of user terminal according to user terminal signing information, and RFSP ID are passed through into position updating request
Be sent to MSC VLR14；
HSS13, the position updating request of the request user terminal signing information for receiving MME12 transmissions, and to MME12
Return to user terminal signing information；
MSC VLR14, carry user terminal RFSP ID position updating request for receive MME12 transmissions, and protect
Deposit the RFSP ID of user terminal.
Further, HSS13 is additionally operable to send insertion user data requests to MME12, inserts in user data requests and takes
With amended user terminal signing information；
MME12 is additionally operable to receive insertion user data requests, and user is formed according to amended user terminal signing information
RFSP ID after terminal modifications, and by amended RFSP ID by position updating request be sent to MSC VLR14；
MSC VLR14 be additionally operable to receive MME12 send the position updating request for carrying amended RFSP ID, and
Preserve the amended RFSP ID of user terminal.
In the present embodiment, Radio Access Controller obtains the user terminal RFSP ID of the scheduling strategy of indicating user terminal,
And determine that user terminal from the time of circuit domain return evolution system, sends RRC releases and disappeared afterwards according to user terminal RFSP ID
Breath is to user terminal, so that user terminal returns to evolution system according to the time of the return evolution system of instruction.The skill of the present invention
Art scheme can realize the control for returning to evolution system from circuit domain to user terminal.
The processing method and system of the return evolution system of the present invention are further situated between with reference to Fig. 2 ~ Fig. 5
Continue：
3GPP definition has user terminal access system/frequency priority stipulations mark (SuBSC10riber Profile ID
For RAT/FreqUE11ncy priority, abbreviation RFSP ID), for being carried out in LTE wireless sides based on user terminal
RRM (Radio Resource Management, RRM) scheduling strategy management.The mark is an index, is indicated
ENodeB should use which kind of RRM strategy in stipulations, for example define and which system be preferentially resident at the idling mode, connect
Under pattern high priority system frequency etc..Access system/frequency priority stipulations are present in eNodeB, such as RFSP
ID is 256, can configure access priority and be more than GERAN more than UTRAN for E-UTRAN；It is 255, Ke Yipei for RFSP ID
Put access priority and be more than E-UTRAN more than GERAN for UTRAN；It is 254 for RFSP ID, can configure access priority is
GERAN is more than E-UTRAN more than UTRAN；ENodeB only needs to obtain RFS PID it is known that corresponding RRM is tactful.
The mark is contracted in user terminal HSS, and MME is handed down in registration process, and then MME is in S1 message
ENodeB is handed down to, eNodeB can also obtain the mark by X2 interface from another eNodeB.Therefore operator can be with
The RRM based on user terminal rank is carried out by the mark to control.
The mark is only applicable to packet domain in current specification, is not particularly suited for circuit domain, and the present invention utilizes the mark
In circuit domain, and solve wherein MSC VLR how to obtain the mark and how the mark be sent to asking for RNC/BSC
Topic.
In the embodiment of the present invention, MME by RFSP ID by SGs interfaces pass to MSC VLR, MSC VLR by RFSP ID
RNC/BSC is sent to by Iu interfaces or A interfaces, determines user terminal from circuit according to user terminal RFSP ID by RNC/BSC
Domain returns to the time of evolution system, and then realizes the control for returning to evolution system from circuit domain to user terminal.
As shown in Fig. 2 user terminal is registered from LTE system, and the stream registered by SGs interfaces to circuit domain
Journey comprises the following steps：
Step 201, in the case of network mode I, UE11 starts shooting in LTE or monitors that current tracking area changes
When, initiate combined registering request or joint tracing section updating request to core net MME12；
Step 202, MME12 updates request to the HSS13 launch positions that UE11 belongs to, and asks UE11 signing information；
Step 203, after HSS13 preserves the MME information that UE11 is currently registered, judge that UE11 allows to register in the MME, in
It is that UE signing informations are returned into MME12, which includes the RFSP ID of signing；
Step 204, because being joint tracing section updating, MME12 to MSC VLR14 launch positions renewal request, in circuit
Register in domain.MME12, according to the strategy of visited place operator oneself, forms the RFSP used after the RFSP ID of signing are obtained
ID, and by the RFSP ID used by the position updating request bring MSC VLR14；
Step 205, MSC VLR14 registration after, home position renewal response.MSC VLR14 can be matched somebody with somebody according to operator
Put, change the value from the MME12 RFSP ID obtained, and be stored in database；
Step 206, after MME12 succeeds in registration, return the response of UE11 registration requests tracing section updating response message；
Step 207, UE11 return registration request complete tracing section updating response completion message.
By above-mentioned flow, realize UE11 and registered from MME12, and by RFSP ID take to MSC VLR14.
As shown in figure 3, in 3G network, user terminal return back to circuit domain from evolution system and returns to evolution system from circuit domain again
The flow of system comprises the following steps：
Step 301, it is necessary to which UE11 is moved to from idle condition before UE11 is return back into circuit domain from evolution system
Connected state, exhaled for rising, UE is by initiating business request process, and for exhaling eventually, network needs to page UE11 and completes to access
Journey；
Step 302, MME12 initiates CSFB instructions by eNodeB to UE11, and for supporting PS switchings, the instruction is placed on
UE11 is brought inside switching command, for not supporting PS switchings, the instruction is placed on inside RRC release messages and brings UE11；
Step 303, after UE11 is received, will detect 3G network CS signals, selection circuit domain cell and by RNC10 to
MSC VLR14 initiate access procedure；
Wherein, in 3G network, it is responsible for the wireless access control of user terminal by RNC.
Step 304, MSC VLR14 complete access request；
Step 305, MSC VLR14 to RNC10 send general ID message；
Step 306, UE11 and MSC complete circuit domain call between VLR14, which includes multiple RNC10 and MSC
Direct-sending message (step 306a) between VLR14；
Step 307, after calling is completed, UE11 and MSC between VLR14 release circuit domain call, which includes from
MSC VLR14 to RNC10 Iu release messages (step 307a)；
Wherein, MSC VLR14 the RFSP ID of preservation can be sent by step 305 or step 306a or step 307a
To RNC10.
Step 308, RNC10 according to RFSP ID carry out RRM, determine by UE11 migrate back evolution system when
Between；
Step 309, RNC10 is inside RRC release messages, and (Idle State Mobility controls the configured information with correlation
Information), instruction returns to the time of evolution system；
Step 310, UE11 is after the configured information is received, if it is indicated that immediately returning to evolution system, then will examine at once
Evolution system signal is surveyed, carries out cell reselection；If it is indicated that delay returns to evolution system, then UE11 continues to reside in 3G network.
UE11 can start timer according to time delay, in the timer expiry and then return to evolution system；
Step 311, after cell reselection, UE11 is in the evolution system cell of selection to MME12 initiating updating of tracking area
Request.
By said process, the control for the process for returning to evolution system in 3G network from circuit domain to user terminal is realized
System.
As shown in figure 4, in 2G networks, user terminal return back to circuit domain from evolution system and returns to evolution system from circuit domain again
The flow of system comprises the following steps：
Step 401, it is necessary to which UE11 is moved to from idle condition before UE11 is return back into circuit domain from evolution system
Connected state, exhaled for rising, UE11 is by initiating business request process, and for exhaling eventually, 2G networks need to page UE11 and complete to connect
Enter process；
Step 402, MME12 initiates CSFB instructions by eNodeB to UE11, and for supporting PS switchings, the instruction is placed on
UE11 is brought inside switching command, for not supporting PS switchings, the instruction is placed on inside RRC release messages and brings UE11；
Step 403, after UE11 is received, will detect 2G networks CS signals, selection circuit domain cell and by BSC10 to
MSC VLR14 initiate access procedure；
Wherein, in 2G networks, it is responsible for the wireless access control of user terminal by BSC.
Step 404, MSC VLR14 complete access request；
Step 405, UE11 and MSC complete circuit domain call between VLR14, which includes multiple BSC10 and MSC
Direct-sending message (step 406) between VLR14；
Step 407, after calling is completed, UE11 and MSC between VLR14 release circuit domain call, which includes from
MSC VLR14 to BSC10 A interface release messages (step 407a)；
Wherein, MSC VLR14 the RFSP ID of preservation can be sent to by BSC10 by step 406 or step 407a.
Step 408, BSC10 according to RFSP ID carry out RRM, determine by UE11 migrate back evolution system when
Between；
Step 409, BSC10 is inside RRC release messages, and (Idle State Mobility controls the configured information with correlation
Information), instruction UE11 returns to the time of evolution system；
Step 410, UE11 is after the configured information is received, if it is indicated that immediately returning to evolution system, then will examine at once
Evolution system signal is surveyed, carries out cell reselection, if it is indicated that delay returns to evolution system, then UE11 continues to reside in 2G networks.
UE11 can start timer according to time delay, in the timer expiry and then return to evolution system；
Step 411, UE11 is asked in the evolution system cell of selection to MME12 initiating updating of tracking area.
By said process, the control for the process for returning to evolution system in 2G networks from circuit domain to user terminal is realized
System.
As shown in figure 5, operator modification RFSP ID and notify to MSC VLR14 flow comprise the following steps：
Step 501, the RFSP ID of UE11 signings are changed, and HSS13 initiates insertion user data requests to MME12,
Wherein carry the amended RFSP ID of UE11；
Step 502, after MME12 preserves amended RFSP ID, insertion user data response is returned to HSS13；
Step 503, MME12 to MSC VLR14 launch positions renewal request, wherein it is amended to carry UE11
RFSPID；
Step 504, MSC VLR14 preserve the amended RFSP ID that are sent of MME12.Wherein, according to operator's sheet
Ground configure, MSC VLR14 can change the RFSP ID.
Step 505, MSC VLR14 amended RFSP ID are sent to RNC/BSC.
For 3G network, MSC VLR14 can will be amended by general ID or direct-sending message or Iu release messages
RFSP ID are sent to RNC10；For 2G networks, MSC VLR14 be able to will be changed by direct-sending message or A interfaces release message
RFSP ID afterwards are sent to BSC10.
In the embodiment of the present invention, MME by RFSP ID by SGs interfaces pass to MSC VLR, MSC VLR by RFSP ID
RNC/BSC is sent to by Iu interfaces or A interfaces.RNC/BSC determines user terminal from circuit domain according to user terminal RFSP ID
The time of evolution system is returned, RRC release messages are sent afterwards to user terminal, so that user terminal is drilled according to the return of instruction
The time for entering system returns to evolution system, so as to realize the control for returning to evolution system from circuit domain to user terminal.
In each method embodiment of the present invention, the priority that the sequence number of each step can not be used to limit each step is suitable
Sequence, for those of ordinary skill in the art, on the premise of not paying creative work, the priority of each step is changed
Within protection scope of the present invention.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. processing method for returning to evolution system, it is characterised in that including：MME receives the combined registering request or joint tracing section updating request that user terminal is sent, the HSS belonged to user terminal Send the position updating request of request user terminal signing information；MME receives the user terminal signing information that the HSS is returned；MME forms the RFSP ID of user terminal according to the user terminal signing information, and the RFSP ID are passed through into position Renewal request be sent to MSC VLR, so as to the MSC VLR preserve user terminal RFSP ID；Radio Access Controller receives the RFSP ID for the user terminal that MSC/VLR is sent；Radio Access Controller determines that user terminal returns to evolution system from circuit domain according to the user terminal RFSP ID of acquisition Time, the RFSP ID are used for the scheduling strategy of indicating user terminal；Radio Access Controller sends RRC release messages to the user terminal, indicates that the user terminal returns to evolution system Time.
- 2. the processing method according to claim 1 for returning to evolution system, it is characterised in that in 3G network, the nothing Line access controller is RNC, and the RFSP ID that the Radio Access Controller receives the user terminal that MSC/VLR is sent include：The Radio Access Controller receives the RFSP for the user terminal that MSC/VLR is sent by direct-sending message or Iu release messages ID；In 2G networks, the Radio Access Controller is BSC, and the RFSP ID of user terminal are sent to nothing by the MSC/VLR Line access controller includes：The Radio Access Controller receives the user terminal that MSC/VLR is sent by direct-sending message or A interfaces release message RFSP ID。
- 3. the processing method according to claim 1 for returning to evolution system, it is characterised in that the MME is according to the use Family terminal unit contractual information forms the RFSP ID of user terminal, and by the RFSP ID by position updating request be sent to MSC Also include after VLR：MME receives the insertion user data requests that the HSS of user terminal ownership is sent, and is carried in the insertion user data requests There is amended user terminal signing information；MME forms the amended RFSP ID of user terminal according to the amended user terminal signing information, and is repaiied described RFSP ID after changing by position updating request be sent to MSC VLR, so as to the MSC VLR preserve it is described amended RFSP ID。
- A kind of 4. processing system for returning to evolution system, it is characterised in that including：MME, for receiving the combined registering request or joint tracing section updating request of user terminal transmission, belong to user terminal HSS send the position updating request of request user terminal signing information, receive the user terminal signing letter that the HSS is returned Breath, forms the RFSP ID of user terminal according to the user terminal signing information, and the RFSP ID are passed through into location updating Request be sent to MSC VLR；HSS, the position updating request of the request user terminal signing information sent for receiving the MME, and returned to the MME Reuse family terminal unit contractual information；The MSC VLR, carry user terminal RFSP ID position updating request for receive that the MME sends, and protect The RFSP ID of user terminal are deposited, the RFSP ID of user terminal are sent to Radio Access Controller；Radio Access Controller, for determining that user terminal returns to evolution from circuit domain according to the user terminal RFSP ID of acquisition The time of system, the RFSP ID are used for the scheduling strategy of indicating user terminal, and sending RRC releases to the user terminal disappears Breath, indicate that the user terminal returns to the time of evolution system；User terminal, for receiving the RRC release messages, evolution system is returned to according to the time of the return evolution system of instruction System.
- 5. the processing system according to claim 4 for returning to evolution system, it is characterised in that in 3G network, the nothing Line access controller is RNC,The MSC/VLR is specifically used for the RFSP ID of user terminal are sent into RNC by direct-sending message or Iu release messages；In 2G networks, the Radio Access Controller is BSC,The MSC/VLR is specifically used for being sent to the RFSP ID of user terminal by direct-sending message or A interfaces release message BSC。
- 6. the processing system according to claim 4 for returning to evolution system, it is characterised in thatThe HSS is additionally operable to send insertion user data requests to the MME, carries and repaiies in the insertion user data requests User terminal signing information after changing；The MME is additionally operable to receive the insertion user data requests, according to the amended user terminal signing information shape Into the amended RFSP ID of user terminal, and by the amended RFSP ID by position updating request be sent to MSC VLR；The MSC VLR be additionally operable to receive the position updating request for carrying amended RFSP ID that the MME is sent, and Preserve the amended RFSP ID of user terminal.
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| CN106604329B (en) * | 2015-10-15 | 2019-11-12 | 大唐移动通信设备有限公司 | A kind of method for switching network and equipment |
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