CN104105152A - Business migrating method, network side device and terminal - Google Patents
Business migrating method, network side device and terminal Download PDFInfo
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- CN104105152A CN104105152A CN201310116227.8A CN201310116227A CN104105152A CN 104105152 A CN104105152 A CN 104105152A CN 201310116227 A CN201310116227 A CN 201310116227A CN 104105152 A CN104105152 A CN 104105152A
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Abstract
The invention provides a business migrating method, a network side device and a terminal. The business migrating method comprises steps of determining whether connection resources bearing businesses between the terminal and the network side device, if yes, generating a business migrating order, transmitting the business migrating order to the terminal to enable the terminal to release the connection resources between the terminal and the network side device according to the business migrating order, and migrating the current business of the terminal to the WLAN network. The scheme of the invention can give part or all of the businesses of the current user to the WLAN to bear so as to reduce the load on the cellular network.
Description
Technical field
The present invention relates to the communications field, refer to especially a kind of business migration method, network equipment and terminal.
Background technology
WLAN(WLAN (wireless local area network))/3GPP Radio Interworking(3GPP wireless network group) be that one utilizes radio frequency (Radio Frequency RF) technology to carry out reportedly defeated system, the appearance of this technology makes up the deficiency of wired local area network, to reach the object of Network stretch, make WLAN can utilize simple access architecture to allow user see through it, realize without netting twine, without the unobstructed network of distance limit.
But there are the following problems for current WLAN: the wlan network service efficiency that 1) operator disposes is lower; 2) in the time that the business of UE is diverted to the wlan network of overload from Cellular Networks, user experiences poor; 3) unnecessary wlan network scanning may increase the battery consumption of UE.
WIFI is a standard of WLAN, and WIFI is contained in WLAN, belongs to the new technology adopting in WLAN agreement.WIFI unloading (offloading) solution of optimizing should be able to make operator strengthen management and the control to WLAN, and operator will consider the situation of WLAN in the time of the resource management of doing cellular network; On the other hand, for cellular network and WLAN, all need mobility and network to Access Network to select to strengthen, as considered the radio link quality of UE, return link quality, the information such as load.
In the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry.
The RRC that 3GPP agreement only allows network side to discharge terminal at present connects, and support terminal does not initiatively carry out the process of RRC Connection Release; In addition, support terminal is not initiatively or the function of passive release portion business yet for current agreement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of business migration method, device and equipment, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby alleviate the burden of Cellular Networks.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of business migration method, are applied to network equipment, comprising:
The connection resource that determines whether to discharge the bearer service between terminal and described network equipment, obtains judged result;
If when described judged result represents to discharge the connection resource between terminal and described network equipment, generate business migration instruction;
Send described business migration instruction to described terminal, make described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network.
Wherein, the step of generation business migration instruction comprises:
In the link release signaling of connection resource, increase for represent by whole business migrations current terminal to the bit of the instruction of WALN network, when representing terminal access wlan network corresponding frequency point information bit and when representing that terminal accesses wlan network the bit of corresponding access-in point information, generate described business migration instruction.
Wherein, the step of generation business migration instruction comprises:
In the link release signaling of connection resource, increase for representing the bit to the instruction of WALN network by business migration current described terminal;
In frequency point information in redirection information, increase the bit of frequency corresponding while being used for representing terminal access wlan network;
In different system information, increase the bit of access-in point information corresponding while being used for representing terminal access wlan network;
According to having increased described link release signaling, described redirection information and the different system information after bit, generate described business migration instruction.
Wherein, sending described business migration instruction also comprises after to described terminal:
The whole business on the radio resource control RRC connection resource between described terminal and described network equipment of discharging are to described wlan network.
Wherein, sending described business migration instruction also comprises after to described terminal:
Discharge the partial service of described terminal to described wlan network.
Wherein, the partial service that discharges described terminal comprises to the step of described wlan network:
Connect in reallocation message and increase new indication information in radio resource control RRC, described new indication information is used to indicate the business place Data Radio Bearer DRB that will be switched on wlan network;
According to described new indication information, the business that will be switched to the DRB carrying on wlan network is switched to described wlan network.
Wherein, the step that determines whether the connection resource that need to discharge the bearer service between terminal and described network equipment comprises:
According to network load and the signal quality of the network selection policy information of terminal to report and wlan network and Cellular Networks, determine whether to discharge the connection resource of the bearer service between terminal and described network equipment.
Embodiments of the invention also provide a kind of business migration method, are applied to terminal, comprising:
Send the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Receive the feedback command that whether allows to discharge the connection resource between described terminal and described network equipment that described network equipment returns;
If described feedback command allows to discharge described connection resource, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by business migration current described terminal to wlan network, otherwise, do not discharge.
Wherein, described release cause information comprises: represent described terminal initiation instruction to WALN network by the business migration carrying out on described connection resource;
If described feedback command allows to discharge described connection resource, described feedback command also comprises: represent that described terminal initiates by the business migration carrying out on described connection resource the release cause information to WALN network.
Wherein, if described feedback command does not allow to discharge described connection resource, described feedback command comprises: the cause information that does not allow release.
Wherein, business migration current described terminal is comprised to the step of wlan network:
The whole business migrations that carry on radio resource control RRC connection resource between described terminal and described network equipment are arrived to described wlan network.
Wherein, business migration current described terminal is comprised to the step of wlan network:
The partial service of described terminal is moved to described wlan network.
Wherein, the step that the partial service of described terminal is moved to described wlan network comprises:
Initiate Data Radio Bearer DRB releasing request to described network equipment;
Receive described network equipment according to the link connection reconfiguration instructions of described releasing request feedback, described link connection reconfiguration instructions is carried the DRB information that will move to wlan network;
According to the described DRB information that will move to wlan network, will move to the business migration of wlan network to described wlan network.
Wherein, the step that the partial service of described terminal is moved to described wlan network comprises:
Initiate bearing resource releasing request to mobile management entity MME, wherein carry bearing identification, and instruction: from the traffic flow template existing, delete filtering data bag, increase is the instruction of WLAN;
Receive the bearing resource feedback command of MME,
According to described bearing resource feedback command, will move to the business migration of wlan network to described wlan network.
Embodiments of the invention also provide a kind of network equipment, comprising:
Determination module, for determining whether to discharge the connection resource of the bearer service between terminal and described network equipment, obtains judged result;
Instruction generation module, when representing to discharge the connection resource between terminal and described network equipment in described judged result, generates business migration instruction;
Sending module, for sending described business migration instruction to described terminal, makes described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network.
Wherein, above-mentioned network equipment also comprises:
Network side business migration module, for discharging whole business on the radio resource control RRC connection resource between described terminal and described network equipment to described wlan network; Or arrive described wlan network for the partial service that discharges described terminal.
Embodiments of the invention also provide a kind of terminal, comprising:
Sending module, for sending the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Receiver module, the feedback command that whether allows to discharge the connection resource between described terminal and described network equipment returning for receiving described network equipment;
Terminal side service transferring module, if allow to discharge described connection resource for described feedback command, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by business migration current described terminal to wlan network, otherwise, do not discharge.
Wherein, described terminal side service transferring module is by business migration current described terminal during to wlan network, specifically for by the whole business migrations that carry on the radio resource control RRC connection resource between described terminal and described network equipment to described wlan network; Or for partial service current described terminal is moved to wlan network.
Wherein, the releasing request that sends to network equipment the connection resource that discharges the bearer service between described terminal and described network equipment also comprises before:
The network selection strategy issuing according to network equipment, and the network load of wlan network and Cellular Networks and signal quality, determine whether to the releasing request of the connection resource of the bearer service between the network equipment transmission described terminal of release and described network equipment.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, by making network side or terminal discharge the connection resource between described network equipment according to described business migration instruction, and by the whole business migrations that carry on RRC to wlan network, or the business migration that part DRB is carried is to wlan network, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby can alleviate the burden of Cellular Networks.
Brief description of the drawings
Fig. 1 is the flow chart of the business migration method of network equipment of the present invention;
Fig. 2 is the flow chart of the business migration method of terminal of the present invention;
Fig. 3 is the structured flowchart of network equipment of the present invention;
Fig. 4 is the structured flowchart of terminal of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, embodiments of the invention provide a kind of business migration method, are applied to network equipment, comprising:
Step 11, determines whether to discharge the connection resource of the bearer service between terminal and described network equipment, obtains judged result;
Step 12, if when described judged result represents to discharge the connection resource between terminal and described network equipment, generates business migration instruction;
Step 13, sends described business migration instruction to described terminal, makes described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network.
The above embodiment of the present invention is by making network side discharge the connection resource between described network equipment according to described business migration instruction, and by the whole business migrations that carry on RRC to wlan network, or by the business migration on part DRB to WLAN, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby can alleviate the burden of Cellular Networks.
Wherein, in the above-described embodiments, in step 11, specifically can, according to the information such as network load and signal quality of the network selection policy information of terminal to report and wlan network and Cellular Networks, determine whether to discharge the connection resource of the bearer service between terminal and described network equipment.
Specifically, whether terminal has the ANDSF(Access of support Network Discovery Support Functions, access network discovery and selection function unit to the network equipment (as base station) report) ability.
Particularly, can in the time carrying out terminal capacity report (UE capacity information), indicate, adopt 1bit to realize, increase respective capabilities instruction at existing IE UE-EUTRA-Capability; Carry out attach(in terminal and adhere to connection) or carry out TAU(tracking area updating, tracing section updating) when/RAU, report this ability information.In addition, the UE in connected state also can report by RRC message; ANDSF strategy is asked for to UE in base station; Terminal to report ANDSF strategy; The further measurement demand of terminal configuration is given based on ANDSF strategy in base station, is signal quality, the network load etc. of the AP of CMCC as measured SSID; Terminal to report measurement result; According to the information such as network load and signal quality of the network selection policy information of terminal to report (ANDSF strategy described above) and wlan network and Cellular Networks, whether decision-making needs to discharge the connection resource of the bearer service between terminal and described network equipment.
Wherein, in the above-described embodiments, in step 12, the first kind of way that generates business migration instruction comprises:
In the link release signaling of connection resource, increase for represent by whole business migrations current terminal to the bit of the instruction of WALN network, when representing terminal access wlan network corresponding frequency point information bit and when representing that terminal accesses wlan network the bit of corresponding access-in point information, generate described business migration instruction.
Which is applicable to LTE system, specifically: network equipment is as base station, decision-making need to discharge UE(terminal) current RRC connection, sending out RRC CONNECTION RELEASE(link to UE discharges) signaling (existing signaling), and in this signaling, introduce new release cause (UE is transformed into wlan network) and corresponding frequency, AP information.
For LTE system, at Release Cause(release cause) in to increase 1bit(be above-mentioned for representing the bit to the instruction of WALN network by whole business migrations current terminal) instruction WLAN offloading(WLAN shunts) or WLAN LTE interworking(WLAN LTE interoperability), or LTE WLAN interworking(LTE WLAN interoperability), or WLAN3GPP interworking(WLAN3GPP interoperability), or 3GPP WLAN interworking(3GPP WLAN interoperability) etc.In the time of this bit position 1, represent UE to be switched to wlan network, otherwise do not switch.
And add the frequency point information (be above-mentioned when representing terminal access wlan network the bit of corresponding frequency point information) of top and bottom:
RedirectedCarrierInfo::=CHOICE{
WLAN ARFCN-ValueWLAN or CarrierFreqsWLAN, }
Wherein, ARFCN-ValueWLAN or CarrierFreqsWLAN can represent with at least one bit, when a character string, just need to represent with multiple bits in this way.
Also can add the AP information (be above-mentioned when representing terminal access wlan network the bit of corresponding access-in point information) of WLAN:
CellInfoWLAN::=SEQUENCE{
APID APID (can be ID, the MAC Address etc. of AP),
CarrierFreq-WLAN ARFCN-ValueWLAN or CarrierFreqsWLAN or channel-WLAN ChannelsWLAN,
WLANBeacon?OCTET?STRING}。
Wherein, carrierFreq-WLAN, ARFCN-ValueWLAN or CarrierFreqsWLAN or channel-WLAN, ChannelsWLAN can represent with at least one bit, when a character string, just need to represent with multiple bits in this way.
Wherein, in the above-described embodiments, in step 12, the second way that generates business migration instruction comprises:
Step 121, in the link release signaling of connection resource, increases for representing the bit to the instruction of WALN network by business migration current described terminal;
Step 122, at Redirection Info(redirection information) in frequency point information in, increase the bit of frequency corresponding when representing terminal access wlan network;
Step 123, in the different system information of Inter-RAT info() in, the bit of corresponding access-in point information when increase is used for representing terminal access wlan network;
Step 124, according to having increased the described link release signaling after bit, described Redirection Info and Inter-RAT info, generates described business migration instruction.
Which adapts to use UMTS system, specifically, is also that the cause information (being above-mentioned the first bit) that UE is transformed into WLAN and gets on is wished in increase in Release Cause.Frequency and RAT information are the information such as the ID that is placed on Frequency info in Redirection Info and Inter-RAT info(portability target WLAN AP, frequency, channel) in.
Wherein, in the above-described embodiments, after step 13, can also comprise:
Step 14, the whole business on the radio resource control RRC connection resource between described terminal and described network equipment of discharging are to described wlan network.Or
Step 15, discharges the partial service of described terminal to described wlan network.
Wherein, step 15 specifically comprises:
Step 141, in the control of RRC(Radio Resource) connect in reallocation message and increase new indication information, described new indication information is used to indicate the business place DRB(Data Radio Bearer that will be switched on wlan network);
Step 142, according to described new indication information, the business that will be switched to the DRB carrying on wlan network is switched to described wlan network.
Specifically, if network side decision-making wants release portion business to go to WLAN, in the Radio Resource Config Dedicated of RRC connection reallocation message, increase new indication information, cooperate which DRB(Data Radio Bearer of instruction with drb-ToReleaseList) owing to being switched to, WLAN is upper to be discharged, as adopting the mode of bitmap to indicate, 1 of the bit position of corresponding DRB represents that corresponding DRB will be switched to WLAN to get on.
As: DRB-ToWLANList::=SEQUENCE (SIZE (1..maxDRB)) OF DRB-Identity.
To sum up, the above embodiment of the present invention, discharge the connection resource between described network equipment by network equipment according to described business migration instruction, and by business migration current described terminal to wlan network, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby can alleviate the burden of Cellular Networks.
As shown in Figure 2, embodiments of the invention also provide a kind of business migration method, are applied to terminal, comprising:
Step 21, sends the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Step 22, receives the feedback command that whether allows the connection resource that discharges the bearer service between described terminal and described network equipment that described network equipment returns;
Step 23, if described feedback command allow discharge described connection resource, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by the business migration carrying on described connection resource to wlan network, otherwise, do not discharge.
This embodiment discharges the connection resource between described network equipment by terminal according to described business migration instruction, and by business migration current described terminal to wlan network, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby can alleviate the burden of Cellular Networks.
Wherein, before step 21, can also comprise:
The network selection strategy that terminal issues according to network equipment, and the information such as network load and signal quality of wlan network and Cellular Networks, determine whether to the releasing request of the connection resource of the bearer service between the network equipment transmission described terminal of release and described network equipment.
Specifically, the ANDSF policy information of network equipment based on receiving before, if network side determines to do decision-making by terminal, issues the load thresholding of network selection strategy, Cellular Networks and the WLAN of wireless side, the radio signal quality thresholding of two nets etc. to terminal.Being determined whether according to these information by terminal will be to the releasing request that sends the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment, thereby business migration is to WLAN the most at last.
Wherein, described release cause information comprises: represent described terminal initiation instruction to WALN network by the business migration carrying out on described connection resource;
If described feedback command allows to discharge described connection resource, described feedback command also comprises: represent that described terminal initiates by the business migration carrying out on described connection resource the release cause information to WALN network.
Wherein, if described feedback command does not allow to discharge described connection resource, described feedback command comprises: the cause information that does not allow release.
Specifically enter, if need to disconnecting current RRC with 3GPP network (Cellular Networks), Terminal-decision is connected, need to send to base station RRC Connection Release request RRC CONNECTION RELEASE REQUEST(RRC link releasing request, the new signaling of introducing), and to carry therein reason be that UE will be switched to the cause information going in WLAN current business, the Release Cause mentioning in the same 1.After the request of receiving of base station, whether decision-making allows, if allowed, feeds back RRC CONNECTION RELEASE(and be the feedback command that above-mentioned permission discharges), ReleaseCause wherein arranges when asking identical; If not allowing terminal to disconnect RRC, base station connects, feed back RRC CONNECTION RELEASE REJECT and (do not allow the feedback command of release, the new signaling of introducing), the wherein reason of portability refusal, is about to have the business of high qos requirement to arrive as follows; Another kind of candidate scheme is that UE Timer(timer within the regular hour is realized) in confiscate base station feedback think that base station does not allow.
Wherein, in the above-described embodiments, in step 23, can be specifically: the whole business migrations that carry on the radio resource control RRC connection resource between described terminal and described network equipment are arrived to described wlan network; Or the partial service of described terminal is moved to described wlan network.Wherein, the step that the partial service of described terminal is moved to described wlan network comprises:
Step 231, initiates DRB releasing request to described network equipment;
Step 232, receives described network equipment according to the link connection reconfiguration instructions of described releasing request feedback, and described link connection reconfiguration instructions is carried the DRB information that will move to wlan network;
Step 233, according to the described DRB information that will move to wlan network, will move to the business migration of wlan network to described wlan network.
The method is the side method of eating dishes without rice or wine: 1) UE need to initiate DRB(Data Radio Bearer to network side) releasing request, as RRC CONNECTION MIDIFICATION, as the mode that adopts above-mentioned bitmap indicates therein and wish the DRB that discharges, and illustration is to want to be switched to WLAN to get on; 2) base station feedback RRC connects reprovision, and instruction therein allows the DRB on WLAN.
Wherein, the step that the partial service of described terminal is moved to described wlan network can also be realized by following manner, specifically comprises:
Step 234, initiates bearing resource releasing request to mobile management entity MME, wherein carries bearing identification, and instruction: from the traffic flow template existing, delete filtering data bag, increase is the instruction of WLAN;
Step 235, the bearing resource feedback command of reception MME,
Step 236, according to described bearing resource feedback command, will move to the business migration of wlan network to described wlan network.
Which belongs to NAS layered scheme: 1) terminal is to MME(mobile management entity) initiation BEARER RESOURCE MODIFICATION REQUEST(bearing resource amendment request); wherein carry EPS bearer identity(core net bearing identification); and instruction " Delete packet filters from existing TFT (traffic flow template) " (deleting packet filter from existing business flow template), on the basis of existing ESM (EPS Session Management) reason, increasing is the instruction of WLAN; 2) MME feedback DEACTIVATE EPS BEARER CONTEXT REQUEST(deexcitation core net bearer context request), or feedback BEARER RESOURCE MODIFICATION REJECT(bearing resource amendment refusal).
The above embodiment of the present invention, determine whether to discharge and the connection resource of Cellular Networks by end side, and discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network, in the time that user enters the region of WLAN covering, whether network side or terminal can decision-making adopt WLAN to do service distributing, once need, may give WLAN some or all business of current user and carry, thereby can alleviate the burden of Cellular Networks.
Wlan network is exempted from licensed band owing to having the 2.4G of being operated in, and equipment cost is cheap, is easy to dispose, and data rate advantages of higher, has been considered to shunt the important means of cellular network traffic.Utilize the low value business such as wlan network shunting cellular network traffic, especially shunting net page browsing, QQ, msn, can effectively alleviate cellular network burden, and improve indoor covering, access is at a high speed provided, thereby promotes user's experience.
As shown in Figure 3, embodiments of the invention also provide a kind of network equipment, comprising:
Determination module 31, for determining whether to discharge the connection resource of the bearer service between terminal and described network equipment, obtains judged result;
Instruction generation module 32, when representing to discharge the connection resource between terminal and described network equipment in described judged result, generates business migration instruction;
Sending module 33, for sending described business migration instruction to described terminal, makes described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by the business migration carrying on described connection resource to wlan network.
Instruction generation module 32 specifically for, in link release signaling, when increasing the bit of frequency point information corresponding while representing the business migration of described terminal to access wlan network to bit, the expression terminal of the instruction of WALN network and representing terminal access wlan network, the bit of corresponding access-in point information, generates described business migration instruction.
Instruction generation module 32 can also be specifically for, in link release signaling, increases for representing the bit to the instruction of WALN network by the business migration of described terminal; At RedirectionInfo(redirection information) in frequency point information in, increase the bit of frequency corresponding when representing terminal access wlan network; In (different system information) Inter-RAT info, increase the bit of access-in point information corresponding while being used for representing terminal access wlan network; According to having increased described link release signaling, described RedirectionInfo and the Inter-RAT info after bit, generate described business migration instruction.
Wherein, above-mentioned network equipment also comprises:
Network side business migration module 34, for arriving described wlan network by whole business migrations of the upper carrying of the RRC between described terminal and described network equipment; Or the partial service of described terminal is moved to wlan network.
Network side business migration module 34 specifically for, connect in reallocation message and increase new indication information at RRC, described new indication information is used to indicate the business place DRB that will be switched on wlan network; According to described new indication information, the business that will be switched on the DRB on wlan network is switched to described wlan network.
It should be noted that: this network equipment is the equipment corresponding with the above-mentioned business migration method that is applied to network equipment, all realization in the embodiment that means are all applicable to this network equipment in said method embodiment, also can reach identical technique effect, not repeat them here.
As shown in Figure 4, embodiments of the invention also provide a kind of terminal, comprising:
Sending module 41, for sending the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Receiver module 42, the feedback command that whether allows to discharge the connection resource between described terminal and described network equipment returning for receiving described network equipment;
Terminal side service transferring module 43, if allow to discharge described connection resource for described feedback command, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by the business migration of described terminal to wlan network, otherwise, do not discharge.
Described release cause information comprises: represent described terminal initiation instruction to WALN network by the business migration of described terminal;
If described feedback command allows to discharge described connection resource, described feedback command also comprises: represent that described terminal initiates by the business migration of described terminal the release cause information to WALN network.If described feedback command does not allow to discharge described RRC, described feedback command comprises: the cause information that does not allow release.
Wherein, described terminal side service transferring module 43 is by the business migration of described terminal during to wlan network, specifically for by whole business migrations of the upper carrying of the RRC between described terminal and described network equipment to described wlan network; Or the partial service of terminal is moved to WALN network.
Terminal side service transferring module 43 specifically for, initiate DRB releasing request to described network equipment; Receive described network equipment according to the link connection reconfiguration instructions of described service bearer releasing request feedback, described link connection reconfiguration instructions is carried the DRB information that will move to wlan network; According to the described DRB information that will move to wlan network, will move to the business migration of wlan network to described wlan network.
Terminal side service transferring module 43 can also be specifically for, initiates bearing resource releasing request to mobile management entity MME, wherein carries bearing identification, and instruction: from the traffic flow template existing, delete filtering data bag, increase is the instruction of WLAN; Receive the bearing resource feedback command of MME, according to described bearing resource feedback command, will move to the business migration of wlan network to described wlan network.
It should be noted that: this terminal is the equipment corresponding with the above-mentioned business migration method that is applied to terminal, in said method embodiment, all realization in the embodiment that means are all applicable to this terminal, also can reach identical technique effect, does not repeat them here.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (19)
1. a business migration method, is applied to network equipment, it is characterized in that, comprising:
The connection resource that determines whether to discharge the bearer service between terminal and described network equipment, obtains judged result;
If when described judged result represents to discharge the connection resource between terminal and described network equipment, generate business migration instruction;
Send described business migration instruction to described terminal, make described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network.
2. business migration method according to claim 1, is characterized in that, the step that generates business migration instruction comprises:
In the link release signaling of connection resource, increase for represent by whole business migrations current terminal to the bit of the instruction of WALN network, when representing terminal access wlan network corresponding frequency point information bit and when representing that terminal accesses wlan network the bit of corresponding access-in point information, generate described business migration instruction.
3. business migration method according to claim 1, is characterized in that, the step that generates business migration instruction comprises:
In the link release signaling of connection resource, increase for representing the bit to the instruction of WALN network by business migration current described terminal;
In frequency point information in redirection information, increase the bit of frequency corresponding while being used for representing terminal access wlan network;
In different system information, increase the bit of access-in point information corresponding while being used for representing terminal access wlan network;
According to having increased described link release signaling, described redirection information and the different system information after bit, generate described business migration instruction.
4. business migration method according to claim 1, is characterized in that, sends described business migration instruction and also comprises after to described terminal:
The whole business on the radio resource control RRC connection resource between described terminal and described network equipment of discharging are to described wlan network.
5. business migration method according to claim 1, is characterized in that, sends described business migration instruction and also comprises after to described terminal:
Discharge the partial service of described terminal to described wlan network.
6. business migration method according to claim 5, is characterized in that, the partial service that discharges described terminal comprises to the step of described wlan network:
Connect in reallocation message and increase new indication information in radio resource control RRC, described new indication information is used to indicate the business place Data Radio Bearer DRB that will be switched on wlan network;
According to described new indication information, the business that will be switched to the DRB carrying on wlan network is switched to described wlan network.
7. business migration method according to claim 1, is characterized in that, determines whether that the step of the connection resource that need to discharge the bearer service between terminal and described network equipment comprises:
According to network load and the signal quality of the network selection policy information of terminal to report and wlan network and Cellular Networks, determine whether to discharge the connection resource of the bearer service between terminal and described network equipment.
8. a business migration method, is applied to terminal, it is characterized in that, comprising:
Send the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Receive the feedback command that whether allows to discharge the connection resource between described terminal and described network equipment that described network equipment returns;
If described feedback command allows to discharge described connection resource, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by business migration current described terminal to wlan network, otherwise, do not discharge.
9. business migration method according to claim 8, is characterized in that, described release cause information comprises: represent described terminal initiation instruction to WALN network by the business migration carrying out on described connection resource;
If described feedback command allows to discharge described connection resource, described feedback command also comprises: represent that described terminal initiates by the business migration carrying out on described connection resource the release cause information to WALN network.
10. business migration method according to claim 8, is characterized in that, if described feedback command does not allow to discharge described connection resource, described feedback command comprises: the cause information that does not allow release.
11. business migration methods according to claim 8, is characterized in that, business migration current described terminal is comprised to the step of wlan network:
The whole business migrations that carry on radio resource control RRC connection resource between described terminal and described network equipment are arrived to described wlan network.
12. business migration methods according to claim 8, is characterized in that, business migration current described terminal is comprised to the step of wlan network:
The partial service of described terminal is moved to described wlan network.
13. business migration methods according to claim 12, is characterized in that, the step that the partial service of described terminal is moved to described wlan network comprises:
Initiate Data Radio Bearer DRB releasing request to described network equipment;
Receive described network equipment according to the link connection reconfiguration instructions of described releasing request feedback, described link connection reconfiguration instructions is carried the DRB information that will move to wlan network;
According to the described DRB information that will move to wlan network, will move to the business migration of wlan network to described wlan network.
14. business migration methods according to claim 12, is characterized in that, the step that the partial service of described terminal is moved to described wlan network comprises:
Initiate bearing resource releasing request to mobile management entity MME, wherein carry bearing identification, and instruction: from the traffic flow template existing, delete filtering data bag, increase is the instruction of WLAN;
Receive the bearing resource feedback command of MME,
According to described bearing resource feedback command, will move to the business migration of wlan network to described wlan network.
15. business migration methods according to claim 8, is characterized in that, the releasing request that sends the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment also comprises before:
The network selection strategy issuing according to network equipment, and the network load of wlan network and Cellular Networks and signal quality, determine whether to the releasing request of the connection resource of the bearer service between the network equipment transmission described terminal of release and described network equipment.
16. 1 kinds of network equipments, is characterized in that, comprising:
Determination module, for determining whether to discharge the connection resource of the bearer service between terminal and described network equipment, obtains judged result;
Instruction generation module, when representing to discharge the connection resource between terminal and described network equipment in described judged result, generates business migration instruction;
Sending module, for sending described business migration instruction to described terminal, makes described terminal discharge the connection resource between described network equipment according to described business migration instruction, and by business migration current described terminal to wlan network.
17. network equipments according to claim 16, is characterized in that, also comprise:
Network side business migration module, for discharging whole business on the radio resource control RRC connection resource between described terminal and described network equipment to described wlan network; Or arrive described wlan network for the partial service that discharges described terminal.
18. 1 kinds of terminals, is characterized in that, comprising:
Sending module, for sending the releasing request of the connection resource that discharges the bearer service between described terminal and described network equipment to network equipment; Wherein, in described releasing request, carry release cause information;
Receiver module, the feedback command that whether allows to discharge the connection resource between described terminal and described network equipment returning for receiving described network equipment;
Terminal side service transferring module, if allow to discharge described connection resource for described feedback command, discharge the connection resource between described terminal and described network equipment according to described feedback command, and by business migration current described terminal to wlan network, otherwise, do not discharge.
19. terminals according to claim 18, it is characterized in that, described terminal side service transferring module is by business migration current described terminal during to wlan network, specifically for by the whole business migrations that carry on the radio resource control RRC connection resource between described terminal and described network equipment to described wlan network; Or for partial service current described terminal is moved to wlan network.
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