CN102833808A - Service switching method, terminal, network-side device and high-level devices - Google Patents
Service switching method, terminal, network-side device and high-level devices Download PDFInfo
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- CN102833808A CN102833808A CN2012101577905A CN201210157790A CN102833808A CN 102833808 A CN102833808 A CN 102833808A CN 2012101577905 A CN2012101577905 A CN 2012101577905A CN 201210157790 A CN201210157790 A CN 201210157790A CN 102833808 A CN102833808 A CN 102833808A
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Abstract
The invention provides a service switching method, terminal, network-side device and high-level devices, and avoids interrupting a data service when performing network switching so that the data service is also subject to network switching. The method comprise the following steps that the terminal, a network-side device of a first network and a first network high-level device transmit stage by stage PS (packet switching) service switching information including that requesting for packet switching; the first network high-level device then transmits the PS service switching information requesting for packet switching to a second network high-level device, and the second network high-level device allocates resource for the PS service and then transmits the information stage by stage, finally to the terminal; and the terminal switches the PS service to a second network according to the received information of allocating resource for the PS service. The invention also provides the terminal, the first network-side device, the first network high-level device and the second network high-level device corresponding to the method.
Description
Technical field
The present invention relates to communication technical field, relate in particular to and carry out professional method, terminal, network equipment and the high-level device of switching.
Background technology
When the terminal need be from E-UTRAN (Evolved universal terrestrial radio access network; The general continental rise wireless access network of evolution) when switching to CDMA2000; General SRVCC (Single Radio Voice Call Continuity, the single wireless continuous voice call) scheme that adopts is switched the business at terminal.
SRVCC is meant under situation such as network switching or user's roaming, and the continuity of terminal traffic can be provided, and keeps user's seamless switching to experience.As the VoIP of E-UTRAN network (Voice over Internet Protocol; The speech network rule) user is when the CDMA2000 network mobile; Can realize that speech business is at PS (Packet Switch through the SRVCC solution; Packet switching) seamless switching in territory and CS (Circuit Switch) territory keeps the continuity of speech business.
The user from the E-UTRAN network when the CDMA2000 network switches; Guaranteed the continuous of speech business through the SRVCC scheme; If but had data service simultaneously this moment, then in existing SRVCC scheme, then could data service would be hung up, like this when carrying out the network switching; Then can cause interruption, the professional use of user's data impacted the user's data business.
Summary of the invention
The embodiment of the invention provides a kind of and has carried out the professional method of switching and relevant terminal, network equipment, network high-level device, so that data service need not data service is interrupted when switching.
The method that the terminal carrying out service that the embodiment of the invention provides switches, this method comprises:
The terminal, is sent to the first network of network side apparatus and to be used to ask to carry out the professional first handoff request message of switching of packet switching PS when first network switches to second network at needs;
Said terminal switches to second network according to the second network PS traffic resource assignment information with terminal PS business after the second network PS traffic resource assignment information that receives the transmission of the first network of network side apparatus.
The network equipment that the embodiment of the invention provides carries out the professional method of switching and comprises:
After the first network of network side apparatus asked to carry out the first handoff request message of the professional handover information of PS in being used to of receiving that the terminal sends, send to the high-level device of first network and to be used to ask to carry out the professional second handoff request message of switching of PS;
The said first network of network side apparatus sends to the terminal with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device.
The handover source network high-level device that the embodiment of the invention provides is carried out the professional method of switching and is comprised:
The first network high-level device will be used to ask to carry out professional the 3rd handoff request message of switching of PS and send to the second network high-level device after asking to carry out the professional second handoff request message of switching of PS in being used to of receiving that the first network of network side apparatus sends;
The said first network high-level device is sent to the first network of network side apparatus with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device.
Switching target network high-level device provided by the invention is carried out the professional method of switching and is comprised:
The 3rd handoff request message that is used to ask to carry out the professional switching of PS that the second network high-level device is sent according to the first network high-level device is the terminal distribution second network PS service resources;
The said second network high-level device is sent to the first network high-level device with the second network PS traffic resource assignment information.
The terminal that the embodiment of the invention provides comprises:
The first handoff request message sending unit is used at needs when first network switches to second network, sends to the first network of network side apparatus to be used to ask to carry out the professional first handoff request message of switching of packet switching PS;
The resource allocation information receiving element is used for after the second network PS traffic resource assignment information that receives the transmission of the first network of network side apparatus, according to the second network PS traffic resource assignment information terminal PS business being switched to second network.
The network equipment that the embodiment of the invention provides comprises:
The second handoff request message sending unit after being used for asking to carry out the professional first handoff request message of switching of PS in being used to of receiving that the terminal sends, is sent to the high-level device of first network and to be used to ask to carry out the professional second handoff request message of switching of PS;
PS traffic resource assignment information process unit is used for after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device, the said second network PS traffic resource assignment information being sent to the terminal.
The handover source network high-level device that the embodiment of the invention provides comprises:
The professional handover information transmitting element of PS; Be used for after comprising of receiving that the first network of network side apparatus sends being used to ask to carry out the professional second handoff request message of switching of PS, will being used to ask to carry out professional the 3rd handoff request message of switching of PS and sending to the second network high-level device;
PS traffic resource assignment information receiving unit is used for after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device, the said second network PS traffic resource assignment information being sent to the first network of network side apparatus.
The switching target network high-level device that the embodiment of the invention provides comprises:
PS traffic resource assignment unit is used for the 3rd handoff request message that is used to ask to carry out the professional switching of PS according to the transmission of the first network high-level device, is the terminal distribution second network PS service resources;
The PS service resources issues the unit, is used for the second network PS traffic resource assignment information is sent to the first network high-level device.
Business switch method provided by the invention is when carrying out the network switching; The switching that triggering terminal PS is professional; And the first network of network side apparatus, the first network high-level device and the second network high-level device cooperate the switching of carrying out the PS business; Make the PS business when network switches, not be interrupted, guarantee the continuity of data service when network switches.
Description of drawings
Fig. 1 is an end side method embodiment flow chart of the present invention;
Fig. 2 is a network side embodiment method flow diagram of the present invention;
Fig. 3 is the present invention's first network high-level device embodiment method flow diagram;
Fig. 4 is the present invention's second network high-level device embodiment method flow diagram;
Fig. 5 is a specific embodiment of the invention method flow diagram;
Fig. 6 is a terminal of the present invention example structure sketch map;
Fig. 7 is a network side example structure sketch map of the present invention;
Fig. 8 is the first network high-level device example structure sketch map of the present invention;
Fig. 9 is the second network high-level device example structure sketch map of the present invention;
Figure 10 is a system embodiment structural representation of the present invention.
Embodiment
Method of carrying out professional switching provided by the invention can make the PS business not be interrupted, and guarantees the continuity of data service when carrying out the network switching.
Below in conjunction with accompanying drawing, end side method embodiment of the present invention is described.
As shown in Figure 1, the method that terminal carrying out service switches comprises:
Step S101, the terminal, is sent to the first network of network side apparatus and to be used to ask to carry out the professional first handoff request message of switching of packet switching PS when first network switches to second network at needs.
Step S102, the terminal switches to second network according to the second network PS traffic resource assignment information with terminal PS business after the second network PS traffic resource assignment information that receives the transmission of the first network of network side apparatus.
First network in the present embodiment is the E-UTRAN network, and second network is CDMA2000.Then the first network of network side apparatus is an E-UTRAN equipment in the present embodiment.Among the step S101 of present embodiment, the terminal is sent UL Handover prep transfer (up switching preparation) message and is given E-UTRAN, and ULHandover prep transfer message is the first handoff request message among the step S101.The higher layer message of carrying the CDMA2000HRPD network in the UL Handover prep transfer message, the higher layer message of CDMA2000HRPD network are actually used in request and carry out the professional switching of PS.When UL Handover prep transfer message is sent at the terminal, the higher layer message of going back portability CDMA10001XRTT network.The higher layer message of CDMA10001XRTT network, the request of being actually used in are carried out the professional switching of CS.Perhaps can send two UL Handover prep transfer message simultaneously, carry the higher layer message of CDMA2000HRPD network and the higher layer message of CDMA10001XRTT network respectively.
Among the step S102, what the terminal received is that target handover network is self PS traffic resource assignment information, can the PS business of self be switched to objective network according to this information.The resource allocation information that the terminal receives is from first network of network side apparatus, the i.e. E-UTRAN.When the terminal receives the information into self CS traffic resource assignment, also can the CS business of self be switched to objective network.When E-UTRAN switches to CDMA2000; The PS traffic resource assignment information at terminal and CS traffic resource assignment information; Can send, also can be divided into two Mobility from E-UTRAN command message and respectively PS traffic resource assignment information and CS traffic resource assignment information are sent to the terminal through a Mobility from E-UTRAN command (the leaving the E-UTRAN order) message that E-UTRAN sends.
Because whether the terminal carries out network switch, before handover network, belong to the network of network side apparatus by the terminal and determine, and the terminal is to carry out network according to the instruction of network equipment to switch.Therefore, the terminal confirms that need switch to second network from first network comprises: said terminal is confirmed and need be switched to second network from first network according to the Indication message that the PS business is switched from the first network of network side apparatus that receives.The Indication message that the PS business is switched that the terminal receives is the HO from E-UTRAN prep request that sends of E-UTRAN (switch from E-UTRAN a preparation request) message.This message is used for indicating terminal and need its network be switched; For indicating terminal need carry out the professional switching of PS; Can in this message, add concurrPrepCDMA2000-HRPD-r9 field value character field, need switch the PS business with indicating terminal.
The decision of whether network being switched that network equipment is made is to carry out according to the measurement at terminal, so should be by the terminal to the E-UTRAN reporting measurement reports at first.
Below in conjunction with accompanying drawing 2, network equipment is carried out the professional method of switching describe, as shown in Figure 2, this method comprises:
After step S201, the first network of network side apparatus ask to carry out the professional first handoff request message of switching of PS in being used to of receiving that the terminal sends, send to the high-level device of first network and to be used to ask to carry out the professional second handoff request message of switching of PS;
Step S202, the first network of network side apparatus sends to the terminal with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device.
When first network is E-UTRAN, when second network was CDMA2000, the first network of network side apparatus was E-UTRAN, and then E-UTRAN sends to the high-level device of first network and is used to ask to carry out the professional second handoff request message of switching of PS.The second handoff request message that E-UTRAN sends to the first network high-level device is UL S1cdma2000tunnelling (up S1cdma2000 tunnel) message.Carrying out the professional request of switching of CS can put into same UL S1cdma2000tunnelling message transmission simultaneously with the professional request of switching of PS, perhaps is divided into two UL S1 cdma2000tunnelling message and sends professional request of switching of PS and the professional handoff request of CS respectively.
The first network of network side apparatus; E-UTRAN in the present embodiment at first need receive the measurement report of terminal to report; Whether make the decision-making that the network to the terminal switches according to measurement report, when decision need be switched network, just send and switch indication to the terminal.General when display terminal is being conversed in the measurement report at terminal, then the first network of network side apparatus can confirm that need carry out network to the talk business at terminal switches.When display terminal in the measurement report at terminal was carrying out data service, then the first network of network side apparatus can confirm that need carry out network to terminal data service switches.Therefore; More excellent ground; Before comprising of receiving that the terminal sends being used to ask to carry out the first handoff request message of the professional information of switching of PS; After the said first network of network side apparatus is confirmed need the network at terminal be switched to second network from first network, send the Indication message that the PS business is switched to said terminal.The Indication message that E-UTRAN sends to the terminal is HO from E-UTRAN prep request, wherein can carry triggering terminal as required and carry out the professional order of switching of CS, also can carry triggering terminal as required and carry out the professional order of switching of PS.
Among the step S202, E-UTRAN sends to the Mobility from E-UTRAN command message at terminal, is used to indicate terminal carrying out service to switch.CS service resources among the CDMA2000 that carries in this message is used for terminal CS business and switches to CDMA2000IXRTT, and the PS service resources among the CDMA2000 that this message is carried is used for terminal PS business and switches to CDMA2000HRPD.CS service resources that carries and PS service resources can be taken place by a Mobility from E-UTRAN command message, also can be sent by two Mobility from E-UTRAN command message.
As shown in Figure 3, carry out the professional method of switching for the source network high-level device and comprise:
Step S301; The first network high-level device will be used to ask to carry out professional the 3rd handoff request message of switching of PS and send to the second network high-level device after asking to carry out the second handoff request message of the professional handover information of PS in being used to of receiving that the first network of network side apparatus sends.
Step S302, the first network high-level device is sent to the first network of network side apparatus with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device.
In the above-mentioned instance, the first network high-level device is the source network high-level device, is that the terminal is in the network of network high-level device of carrying out belonging to before network switches.Said first network is the E-UTRAN network, and second network is CDMA2000.The first network high-level device is MME (Mobility Management Entity, a mobile management entity), and CDMA2000HRPD is responsible for data service among the second network C DMA2000, and its top management equipment is eAN (evolution Access Network).CDMA2000HRPD is responsible for speech business among the second network C DMA2000, and its top management equipment is 1XIWS.The message that MME sends to eAN mails to eAN through the S101 tunnel.MME is used to ask to carry out the professional information of switching of PS with the terminal and sends to eAN.MME sends to the information that is used to ask to carry out the professional switching of CS of 1XIWS (intelligent radio interchanger) simultaneously, sends through the S102 tunnel.When MME gives the professional information of switching of 1XIWS, simultaneously need with the control connection of IMS (core net) exchange termination to IMS.
And after eAN that MME receives from eAN is the resource information of PS traffic assignments, can send to E-UTRAN through DL S1 cdma2000tunnelling (descending S1cdma2000 tunnel) message.The eAN that MME receives from eAN is that the resource information of PS traffic assignments obtains through the S101 interface.MME also can receive it from 1XIWS and be the resource information of CS traffic assignments, and sends to MME through DL S1 cdma2000tunnelling message equally.
As shown in Figure 4, the objective network high-level device is carried out the professional method of switching and is comprised:
Step S401, the 3rd handoff request message that is used to ask to carry out the professional switching of PS that the second network high-level device is sent according to the first network high-level device is the terminal distribution second network PS service resources.
Step S402, the second network high-level device is sent to the first network high-level device with the second network PS traffic resource assignment information.
First network is the E-UTRAN network, and said second network is the CDMA2000 network.The high-level device of E-UTRAN network is MME.CE service access CDMA20001XRTT net among the CDMA2000, PS service access CDMA2000HRPD net.The high-level device of CDMA20001XRTT net is 1XIWS, and the high-level device of CDMA2000HRPD net is eAN.
EAN can be terminal distribution PS service resources after the terminal that receives the MME transmission is used to ask to carry out the professional information of switching of PS, this service resources comprises interface-free resources.Equally, 1XIWS can be terminal distribution CS service resources equally after the terminal that receives the MME transmission is used to ask to carry out the professional information of switching of CS, and this service resources comprises interface-free resources.EAN and 1XIWS can send passage S101 mouth tunnel and the S102 mouth tunnel of the service resources of distributing through separately to MME.
Business switch method provided by the invention can pass through terminal, network equipment and two network high-level device actings in conjunction separately, and the PS business is switched.And the opportunity that the PS business is switched can with CS professional switch synchronous or asynchronous can.And carry out the professional message of switching of PS between terminal, network equipment and two networks high-level device separately and can separate transmission separately, be placed on perhaps that send in the same message can with the professional message of switching of CS.Can know that to sum up PS business switch method provided by the invention can carry out network at the terminal when switching, the PS business is also cut in the network that switches to the terminal that so that user's PS is professional, i.e. data service can not interrupted.
Below in conjunction with Fig. 5, step professional to CS and that the professional integral body of PS is switched describes.The method flow of specific embodiment describes.As shown in Figure 5: this method comprises:
Step S501, VoIP (Voice over Internet Protocol is through the IP network transmission of speech signals) business based on IMS (core net) is being carried out through the LTE network in the terminal.The terminal to report measurement report is given EUTRAN.
Step S502, EUTRAN is according to terminal survey report decision-making initiation SRVCC process.EUTRAN sends HO from EUTRA preparation request message and gives the terminal; Indicating terminal begins to switch to target CDMA20001XRTT sub-district, simultaneously concurrPrepCDMA2000-HRPD-r9 field value set indicating terminal is switched to the CDMA2000HRPD network with the PS territory.
Step S503, UL Handover prep transfer message is sent to EUTRAN, the higher layer message of carrying the CDMA20001XRTT network in the message in the terminal.
Step S504, UL Handover prep transfer message is sent to EUTRAN, the higher layer message of carrying the CDMA2000HRPD network in the message in the terminal.
Step S505, EUTRAN send UL S1 cdma2000tunnelling message to MME, this message goes of indication MME CDMA20001XRTT network.
Step S506, EUTRAN send UL S1 cdma2000tunnelling message to MME, this message goes of indication MME CDMA2000HRPD network.
Step S507, MME mails to 1XIWS with needing to switch the professional message of CS among the step S505 through the S102 tunnel message.
Step S508, MME mails to eAN with needing to switch the professional message of PS in the step 506 through the S102 tunnel message.
Step S509, CDMA20001XRTT network are that the terminal distribution interface-free resources is set up the control connection of terminal to the IMS network with the IMS network exchange simultaneously.
Step S510, CDMA20001XRTT network are the success of terminal distribution interface-free resources, and 1XIWS passes to MME through S102 mouth tunnel message with CS service resources information.
Step S511, CDMA2000HRPD network are the success of terminal distribution interface-free resources, and eAN passes to MME through S101 mouth tunnel message with PS service resources information.
Step S512, MME sends message, will pass through EUTRAN from the message that the S102 mouth receives.
Step S513, MME send DL S1 cdma2000tunnelling message, will pass through EUTRAN from the message that the S101 mouth receives.
Step S514; After EUTRAN receives two DL S1 cdma2000tunnelling message of MME; Two message are merged into a Mobility from EUTRA command message send to the terminal, indicating terminal forwards the CDMA20001XRTT network to and continues conversation while indicating terminal to CDMA2000HRPD network continuation PS business.
Step S515, the terminal forwards the CDMA20001XRTT network to and continues conversation.
Step S516, the terminal forwards the CDMA2000HRPD network to and continues the PS business.
The method flow that above-mentioned practical implementation provided is for not only switching CS business, the method for also the PS business being switched in the SRVCC process.Such method can guarantee when network is switched, and does not need terminal data professional.
The present invention also provides a kind of terminal to comprise, and is as shown in Figure 6, and this terminal comprises: the first handoff request message sending unit 61 and resource allocation information receiving element 62.
The first handoff request message sending unit 61 is used at needs when first network switches to second network, sends to first network to be used to ask to carry out the professional first handoff request message of switching of packet switching PS;
Resource allocation information receiving element 62 is used for according to PS traffic resource assignment information terminal PS business being switched to second network receiving the PS traffic resource assignment information that first network sends.
This terminal further comprises:
Switch confirmation unit 63, be used for confirming and to switch to second network from first network according to the Indication message that the PS business is switched that receives from first network.
Said first network is the E-UTRAN network, and second network is CDMA2000.
The present invention also provides a kind of network equipment, and this network equipment is as shown in Figure 7, comprising: the second handoff request message sending unit 71 and PS traffic resource assignment information process unit 72.
The second handoff request message sending unit 71 after being used for asking to carry out the professional first handoff request message of switching of PS in being used to of receiving that the terminal sends, is sent to the high-level device of first network and to be used to ask to carry out the professional second handoff request message of switching of PS;
PS traffic resource assignment information process unit 72 is used for after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device, the said second network PS traffic resource assignment information being sent to the terminal.
The said first network of network side apparatus further comprises:
Indication message transmitting element 73; Before being used for asking to carry out the first handoff request message of the professional information of switching of PS in being used to of receiving that the terminal sends; After confirming need the network at terminal be switched to second network from first network, send the Indication message that the PS business is switched to said terminal.
Said first network is the E-UTRAN network, and second network is the CDMA2000 network.
Network high-level device before the switching provided by the invention, as shown in Figure 8, this network high-level device comprises: professional handover information transmitting element 81 of PS and PS traffic resource assignment information receiving unit 82.
The professional handover information transmitting element 81 of PS; Be used for after comprising of receiving that the first network of network side apparatus sends being used to ask to carry out the second handoff request message of the professional information of switching of PS, will being used to ask to carry out professional the 3rd handoff request message of switching of PS and sending to the second network high-level device;
PS traffic resource assignment information receiving unit 82 is used for after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device, said PS traffic resource assignment information being sent to the first network of network side.
Said first network is the E-UTRAN network, and second network is CDMA2000.
The said second network high-level device is evolution Access Network eAN.
Objective network high-level device provided by the invention, the network of network high-level device after promptly switching, as shown in Figure 9, this network high-level device comprises: PS traffic resource assignment unit 91 issues unit 92 with the PS service resources.
PS traffic resource assignment unit 91 is used for the 3rd handoff request message that is used to ask to carry out the professional switching of PS according to the transmission of the first network high-level device, is terminal distribution PS service resources;
The PS service resources issues unit 92, is used for said PS traffic resource assignment information is sent to the first network high-level device.
Said first network is the E-UTRAN network.
The present invention also provides a kind of professional system of switching that carries out, and shown in figure 10, said system comprises: terminal 1001, the first network of network side apparatus 1002, the first network high-level device 1003 and the second network high-level device 1004.
The first network of network side apparatus 1002; Be used for after comprising of receiving that the terminal sends being used to ask to carry out the first handoff request message of the professional information of switching of PS, send to the high-level device of first network and be used to ask to carry out the professional second handoff request message of switching of PS; After the PS traffic resource assignment information that receives the transmission of the first network high-level device, said PS traffic resource assignment information is sent to the terminal;
The first network high-level device 1003; Be used for after comprising of receiving that the first network of network side apparatus sends being used to ask to carry out the second handoff request message of the professional information of switching of PS, will being used to ask to carry out the professional information of switching of PS and sending to the second network high-level device; Receive that the second network high-level device sends with PS traffic resource assignment information after, said PS traffic resource assignment information is sent to the first network of network side;
The second network high-level device 1004 is used for the information that is used to ask to carry out the professional switching of PS according to the transmission of the first network high-level device, is terminal distribution PS service resources; PS traffic resource assignment information is sent to the first network high-level device.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (17)
1. one kind is carried out the professional method of switching, and it is characterized in that this method comprises:
The terminal, is sent to the first network of network side apparatus and to be used to ask to carry out the professional first handoff request message of switching of packet switching PS when first network switches to second network at needs;
Said terminal switches to second network according to the second network PS traffic resource assignment information with the PS business after the second network PS traffic resource assignment information that receives the transmission of the first network of network side apparatus.
2. method according to claim 1 is characterized in that, the terminal is confirmed and need be switched to second network from first network, comprising:
Said terminal is confirmed and need be switched to second network from first network according to the Indication message that the PS business is switched from the first network of network side apparatus that receives.
3. method according to claim 1 is characterized in that, said first network is the E-UTRAN network, and second network is CDMA2000.
4. one kind is carried out the professional method of switching, and it is characterized in that this method comprises:
After the first network of network side apparatus asks to carry out the professional first handoff request message of switching of PS in being used to of receiving that the terminal sends, send to the first network high-level device and to be used to ask to carry out the professional second handoff request message of switching of PS;
The said first network of network side apparatus sends to the terminal with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device.
5. method according to claim 4 is characterized in that, the said first network of network side apparatus is before comprising of receiving that the terminal sends being used to ask to carry out the professional first handoff request message of switching of PS, and this method further comprises:
The said first network of network side apparatus sends the Indication message that the PS business is switched to said terminal after confirming need the terminal to be switched to second network from first network.
6. method according to claim 4 is characterized in that, said first network is the E-UTRAN network, and second network is the CDMA2000 network.
7. one kind is carried out the professional method of switching, and it is characterized in that this method comprises:
The first network high-level device will be used to ask to carry out professional the 3rd handoff request message of switching of PS and send to the second network high-level device after asking to carry out the professional second handoff request message of switching of PS in being used to of receiving that the first network of network side apparatus sends;
The said first network high-level device is sent to the first network of network side apparatus with the said second network PS traffic resource assignment information after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device.
8. method according to claim 7 is characterized in that, said first network is the E-UTRAN network, and second network is CDMA2000.
9. method according to claim 8 is characterized in that, the said second network high-level device is an evolution Access Network eAN equipment.
10. one kind is carried out the professional method of switching, and it is characterized in that this method comprises:
The 3rd handoff request message that is used to ask to carry out the professional switching of PS that the second network high-level device is sent according to the first network high-level device is the terminal distribution second network PS service resources;
The said second network high-level device is sent to the first network high-level device with the second network PS traffic resource assignment information.
11. method according to claim 10 is characterized in that, said first network is the E-UTRAN network, and said second network is the CDMA2000 network.
12. a terminal is characterized in that, said terminal comprises:
The first handoff request message sending unit is used at needs when first network switches to second network, sends to the first network of network side apparatus to be used to ask to carry out the professional first handoff request message of switching of packet switching PS;
The resource allocation information receiving element is used for after the second network PS traffic resource assignment information that receives the transmission of the first network of network side apparatus, according to the second network PS traffic resource assignment information terminal PS business being switched to second network.
13. terminal according to claim 12 is characterized in that, this terminal further comprises:
Switch confirmation unit, be used for confirming and to switch to second network from first network according to the Indication message that the PS business is switched that receives from the first network of network side apparatus.
14. a network equipment is characterized in that, this network equipment comprises:
The second handoff request message sending unit; After being used for asking to carry out the professional first handoff request message of switching of PS, send the second handoff request message that is used to ask to carry out the professional handover information of PS to the high-level device of first network in being used to of receiving that the terminal sends;
PS traffic resource assignment information process unit is used for after the second network PS traffic resource assignment information that receives the transmission of the first network high-level device, the said second network PS traffic resource assignment information being sent to the terminal.
15. network equipment according to claim 14 is characterized in that, said network equipment further comprises:
The Indication message transmitting element; Be used for before the first network of network side apparatus asks to carry out the professional first handoff request message of switching of PS in being used to of receiving that the terminal sends; After confirming need the network at terminal be switched to second network from first network, send the Indication message that the PS business is switched to said terminal.
16. a network high-level device is characterized in that, this network high-level device comprises:
The professional handover information transmitting element of PS; After being used for asking to carry out the professional second handoff request message of switching of PS, will being used to ask to carry out professional the 3rd handoff request message of switching of PS and sending to the second network high-level device in being used to of receiving that the first network of network side apparatus sends;
PS traffic resource assignment information receiving unit is used for after the second network PS traffic resource assignment information that receives the transmission of the second network high-level device, the said second network PS traffic resource assignment information being sent to the first network of network side apparatus.
17. a network high-level device is characterized in that, this network high-level device comprises:
PS traffic resource assignment unit is used for the 3rd handoff request message that is used to ask to carry out the professional switching of PS according to the transmission of the first network high-level device, is the terminal distribution second network PS service resources;
The PS service resources issues the unit, is used for the second network PS traffic resource assignment information is sent to the first network high-level device.
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| CN104219717A (en) * | 2013-05-31 | 2014-12-17 | 中国移动通信集团公司 | A terminal switching method, base station and terminal switching system |
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| WO2018040232A1 (en) * | 2016-08-29 | 2018-03-08 | 华为技术有限公司 | Switching method and device |
| WO2018058699A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Switching method and device |
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| CN104219717A (en) * | 2013-05-31 | 2014-12-17 | 中国移动通信集团公司 | A terminal switching method, base station and terminal switching system |
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| WO2014166458A1 (en) * | 2013-07-17 | 2014-10-16 | 中兴通讯股份有限公司 | Switching method, device, base station, system and computer storage medium |
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