CN101640913B - System and method for mobility management - Google Patents
System and method for mobility management Download PDFInfo
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- CN101640913B CN101640913B CN2008101175879A CN200810117587A CN101640913B CN 101640913 B CN101640913 B CN 101640913B CN 2008101175879 A CN2008101175879 A CN 2008101175879A CN 200810117587 A CN200810117587 A CN 200810117587A CN 101640913 B CN101640913 B CN 101640913B
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Abstract
The invention discloses a mobility management system, which comprises a triggering device and a multi-connection management device, wherein the triggering device generates triggering instruction according to the demand of terminal service and sends multi-connection management request message when judging the terminal in a multi-connection state, and the multi-connection management request message contains network connection identification information of the terminal; the multi-connection management device is used for receiving the multi-connection management request message, acquiring existing connection network information of current connected networks of the terminal and terminal service demand information according to the network connection identification information of the terminal, selecting a bearing network which meets the demand of the terminal service from the current connected networks of the terminal, and returning multi-connection management request response message to the triggering device; and the multi-connection management request response message contains indication information which adopts the selected bearing network to bear the terminal service. The invention also discloses a mobility management method to avoid the occurrence of network switch as much as possible.
Description
Technical field
The present invention relates to the communication network technology field, relate in particular to a kind of mobility management systems and method.
Background technology
In heterogeneous network environment, multimode terminal can be linked into various network through the various network interface, communicates with each network.Along with the development of communication network technology and the user demand to business, in following communication network, multimode terminal can be communicated by letter with a plurality of networks simultaneously, and a plurality of networks connect and carry one or multinomial business respectively, and at this moment, this multimode terminal is in multi-connection state.
Existing heterogeneous network mobility management systems and method; All be to be in single scene that connects to the terminal, when the network communication quality of the current access in terminal descends or reason such as customer service change causes carrying out network when switching, existing mobility management systems is only according to receiving signal strength signal intensity (RSS; Received SignalStrength) selecting suitable network for the terminal switches; Then, through the register and authentication of network insertion, set up being connected of terminal and this network of selecting; And take corresponding seamless mechanism to guarantee user's business experience, terminal traffic is transferred in the new connection and is carried out the most at last.Owing in network switching process, need carry out the information reconciliation and the mutual authentication of network insertion again, therefore will cause the decline of high expense, poor efficiency and the customer service experience of mobile management.
Summary of the invention
The present invention provides a kind of mobility management systems, when being in multi-connection state at the terminal, carries out mobile management, to reduce network overhead, improves utilization efficiency of network resources, and promotes user's business experience.
Correspondingly, the present invention also provides a kind of motion management method.
A kind of mobility management systems comprises trigger equipment and multi-link management devices, wherein:
Said trigger equipment; Be used for producing triggering command according to the demand that requires of terminal traffic; And when judging this terminal and be in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message;
Said multi-link management devices; Be used to receive the multi-link management request message that said trigger equipment sends; Network connection identifier information according to the said terminal that comprises in the said multi-link management request message; Obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal; According to the said existing connection network information and the terminal traffic demand information that gets access to, from the current accessed network at this terminal, select the bearer network that requires demand that satisfies said terminal traffic; And return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt the said bearer network of selecting to carry the indication information of said terminal traffic.
A kind of motion management method comprises:
Trigger equipment produces triggering command according to the demand of terminal traffic;
When judging this terminal and be in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message;
Multi-link management devices receives said multi-link management request message;
According to the network connection identifier information at said terminal, obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
According to the said existing connection network information and the terminal traffic demand information that gets access to, from the current accessed network at this terminal, select the bearer network of the demand that satisfies said terminal traffic;
Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt the said bearer network of selecting to carry the indication information of said terminal traffic.
A kind of mobility management systems comprises trigger equipment, multi-link management devices and switching device shifter, wherein:
Said trigger equipment is used for producing triggering command according to the demand of terminal traffic, and when judging this terminal and be in multi-connection state, sends multi-link management request message, comprises the network connection identifier information at this terminal in the said multi-link management request message; And receive the multi-link management request response message that said multi-link management devices returns, and send the handover trigger instruction according to said multi-link management request response message;
Said multi-link management devices; Be used to receive the multi-link management request message that said trigger equipment sends; Network connection identifier information according to the said terminal that comprises in the said multi-link management request message; Obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal; According to the said existing connection network information and the terminal traffic demand information that gets access to; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal, return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Said switching device shifter be used to receive the handover trigger instruction that said trigger equipment sends, and according to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
A kind of motion management method comprises:
Trigger equipment produces triggering command according to the demand of terminal traffic;
When judging this terminal and be in multi-connection state, send multi-link management request, comprise the network connection identifier information at this terminal in the said multi-link management request;
Multi-link management devices receives said multi-link management request message;
According to the network connection identifier information that comprises in the said multi-link management request message, obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
According to the said existing connection network information and terminal traffic demand information; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal; Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Said trigger equipment receives said multi-link management request response message, and carries the indication information transmission handover trigger instruction of said terminal traffic according to said employing available network;
Switching device shifter receives said handover trigger instruction;
According to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
Mobility management systems that the embodiment of the invention provides and method; Trigger equipment produces triggering command according to the demand of terminal traffic; When judging the terminal and be in multi-connection state; Send multi-link management request message and give multi-link management devices; Multi-link management devices is according to the network connection identifier information at the terminal that comprises in this multi-link management request message; Obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal, and from current accessed network, select the bearer network of the demand that satisfies said terminal traffic, will comprise the multi-link management request response message that adopts this bearer network to carry the indication information of said terminal traffic then and return to trigger equipment.Thereby when carrying out mobile management; The preferential accessed network of selecting is owing to accessed network had carried out network insertion with the terminal information reconciliation and mutual authentication, the register and authentication that therefore no longer need carry out network insertion; And avoided unnecessary operation; Reduce network overhead, improved utilization efficiency of network resources, promoted user's business experience simultaneously.
Description of drawings
Fig. 1 is the structure chart of a kind of mobility management systems of providing in the embodiment of the invention;
Fig. 2 is the structure chart of a kind of trigger equipment in the embodiment of the invention;
Fig. 3 is the structure chart of a kind of multi-link management devices in the embodiment of the invention;
Fig. 4 is the flow chart of a kind of motion management method of providing in the embodiment of the invention;
Fig. 5 is the structure chart of the another kind of mobility management systems that provides in the embodiment of the invention;
Fig. 6 is the structure chart of another kind of trigger equipment in the embodiment of the invention;
Fig. 7 is the structure chart of another kind of multi-link management devices in the embodiment of the invention;
Fig. 8 is the structure chart of a kind of switching device shifter in the embodiment of the invention;
Fig. 9 is the flow chart of the another kind of motion management method that provides in the embodiment of the invention;
Figure 10 is the example flow chart according to the motion management method of the embodiment of the invention.
Embodiment
To the problem that exists in the prior art, the embodiment of the invention provides a kind of mobility management systems and method, can under the prerequisite that guarantees user experience, avoid or postpone the generation that subnetwork switches, and realizes the efficient utilization of Internet resources.
Be elaborated below in conjunction with the Figure of description specific embodiments of the invention.
Fig. 1 shows the structure chart of a kind of mobility management systems that the embodiment of the invention provides, and can be found out by Fig. 1, comprises trigger equipment 110 and multi-link management devices 120 in this mobility management systems, wherein:
Wherein, the network connection identifier information at this terminal can comprise the sign at this terminal and the sign of this current accessed network in terminal.
Fig. 2 shows the structure chart of the trigger equipment 110 in the above-mentioned mobility management systems, comprising:
Triggering command generation unit 111 is used for producing triggering command according to the demand of terminal traffic;
Wherein, The demand of terminal traffic comprises the demand of terminal traffic to end side and network side; The relevant information of network side and end side in the triggering command generation unit 111 responsible current accessed networks of collection terminal; And carry out analyzing and processing, when satisfying the trigger condition of formulating according to the demand of terminal traffic, produce triggering command.The information of need collecting can comprise: the change of bottom-up information (link-quality, the error rate, signal interference ratio etc.), network event information (load balancing, resource negotiation information when multi-link terminal (especially in network, exist a large amount of)), service attribute demand (to the sensitiveness of QoS such as bandwidth, time delay), user intention (user is to the demand of Freight Basis, to the demand (change with business changes) of access network fail safe etc.), terminal's status information (being mainly concerned with the saving of energy consumption).Trigger condition can comprise threshold method etc.; Promptly cross threshold value when certain or a few kinds of parameters; Be that current accessed network is can not satisfy the demand of terminal traffic the time; Demand according to this terminal traffic produces triggering command, can comprise the network connection identifier information at this terminal etc. in this triggering command, and this network connection identifier information can be used for judging whether this terminal is in multi-connection state.
Request message transmitting element 112; Be used for after said triggering command generation unit 111 produces triggering command; When judging this terminal and being in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in this multi-link management request message;
Request message transmitting element 112 can obtain its network of relation side collected and the information of end side from triggering command generation unit 111; Like the network connection identifier information at terminal, terminal's status information, network event information etc.; Produce multi-link management request message then, and send to multi-link management devices 120;
When request message transmitting element 112 was judged this terminal and is in single connection status, subsequent treatment was identical with prior art, repeats no more here.
Above-mentioned trigger equipment 110 can also comprise:
Judging unit 113; Be used for said triggering command generation unit 111 produce send instructions after; Judge whether this terminal is in multi-connection state, and when judging this terminal and be in multi-connection state, indication request message sending unit 112 is sent multi-link management request message;
Here, judging unit 113 can judge whether this terminal is in multi-connection state according to the network connection identifier information at this terminal that comprises in the triggering command; Certainly; Judging unit 113 also can adopt other modes to know the network connection identifier information at this terminal; Such as knowing the relevant information of collecting from triggering command generation unit 111; Thereby, judge whether this terminal is in multi-connection state according to the network connection identifier information at this terminal of knowing.
Receiving element 114 is used to receive the multi-link management request response message that multi-link management devices 120 returns;
Indicating member 115, the bearer network that is used for selecting according to the employing that the multi-link management request response message that receiving element 114 receives comprises carries the indication information of terminal traffic, indicates this bearer network to carry this terminal traffic.
Fig. 3 shows the structure chart of multi-link management devices 120 in the above-mentioned mobility management systems, comprising:
Request message receiving element 121 is used to receive the multi-link management request message that trigger equipment 110 sends;
Request message receiving element 121 can receive multi-link management request (Multi-connectionManagement Request) message from trigger equipment 110 through the special interface between trigger equipment 110 and the multi-link management devices 120.
Acquiring unit 122; The network connection identifier information at this terminal that is used for comprising according to the multi-link management request message that request message receiving element 121 receives is obtained the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
Acquiring unit 122 is according to the network connection identifier information at this terminal that comprises in this multi-link management request message, and the information server in network (subscriber information server and traffic information services device) is inquired about relevant business information, user profile, priority information and network topological information etc.Can also comprise terminal or network demand inquiry and state information in the multi-link management request message to energy; At this moment, acquiring unit 122 also need obtain capacity decisions information, and this capacity decisions information can be provided by the capacity decisions unit; The capacity decisions unit can be according to the network connection identifier information at the terminal that comprises in the multi-link management request message; Capacity decisions information is provided, can comprises the information such as energy consumption level that network is current to energy consumption demand, the terminal at terminal in this capacity decisions information, wherein; The current energy consumption level in terminal can dynamically be obtained by the capacity decisions unit; Also can be sent to trigger equipment 110, in multi-link management request message, carry the current energy consumption level information at this terminal again, and offer the capacity decisions unit by the terminal.
The above-mentioned existing connection network information and terminal traffic demand information that selected cell 123 gets access to according to acquiring unit 122; And use predefined corresponding strategies and algorithm, from the current accessed network in this terminal, select the bearer network of the demand that satisfies this terminal traffic.
Response message returns unit 124, is used to return multi-link management request response message and gives trigger equipment 110, comprises the bearer network that adopts selected cell 123 to select in this multi-link management request response message and carries the indication information of this terminal traffic.
Response message returns unit 124 can also comprise corresponding strategies and the algorithm that selected cell 123 is used in multi-link management request response (Multi-connection Management Response) message that trigger equipment 110 returns, and the capacity decisions information that provides of capacity decisions unit.
Correspondingly, the embodiment of the invention also provides a kind of motion management method, and its flow process is as shown in Figure 4, and concrete steps are following:
In this step, can comprise the network connection identifier information at this terminal in this triggering command.Following Several Factors all might cause trigger equipment to produce triggering command:
The first, the access network quality descends or the terminal traffic qos requirement changes, and causes former access network can not satisfy the demand of terminal traffic, needs to change access network and carries this terminal traffic;
The second, a new business is initiated at the terminal, need set up network and connect the new terminal business of carrying;
The 3rd, end-probing initiatively requires to change network and connects to better accessed network, terminal traffic is transferred on other accessed networks carried.
In this step, trigger equipment judges according to the network connection identifier information at this terminal that comprises in the triggering command whether this terminal is in multi-connection state.
In this step, the existing connection network information that need obtain can comprise:
The current quality information of network is as receiving signal strength signal intensity, signal to noise ratio etc.;
Network present load information is like channel seizure ratio etc.;
The current resource information of network is like available bandwidth, resource reservation situation etc.
The terminal traffic demand information that need obtain can comprise:
Service attribute demand: to the sensitiveness of QoS such as bandwidth, time delay;
The change of user intention: the user is to the demand of Freight Basis, to demand (change with business changes) of access network fail safe etc.;
Terminal's status information: be mainly concerned with the saving of energy consumption.
In this step; Multi-link management devices can be earlier according to the existing connection network information and the terminal traffic demand information that get access to; From the current accessed network at this terminal, filter out the candidate network set of the demand that satisfies this terminal traffic; Current quality information of network in the above-mentioned existing connection network information and network present load information can be used for judging whether current accessed network can allow terminal traffic to insert, and current resource information of network and terminal traffic demand information can be used for further judging whether current accessed network satisfies the demand of this terminal traffic.Multi-link then management devices is selected suitable bearer network again according to predefined corresponding strategies and algorithm from the candidate network set.
When using above-mentioned predefined corresponding strategies and algorithm, need to consider following message: network side information and end side information, wherein, network side information comprises parameters such as bandwidth, speed, time delay, cost, power consumption, fail safe; End side information comprises parameters such as user class, user preferences, type of service, business need.Algorithm can use based on strategy, cost function, fuzzy logic, multiattribute multiple algorithm.
In addition; When owing to end-probing when better accessed network causes producing triggering command, to consider when selecting bearer network that performance improves the compromise with cost, and (for example set the corresponding judgment standard; Set performance and improve threshold value) determine whether to carry out the transfer of access network, for example:
Estimate and desire access network with respect to the raising degree of former access network to the terminal traffic performance;
Estimate access network and shift network overhead that will cause and the potential impact that terminal traffic is caused;
Criterion according to setting determines whether terminal traffic is transferred on the better access network.
The bearer network that step 480, trigger equipment are selected according to the employing that comprises in this multi-link management request response message carries the indication information of this terminal traffic, indicates this bearer network to carry this terminal traffic.
In this step,, possibly carry out other communication services with the terminal because the bearer network of selecting is the current accessed network in terminal; When adopting this bearer network to carry with this terminal traffic; Need with professional shared this bearer network resource of existing communication on this bearer network, therefore to carry out the reasonable distribution of Internet resources, thereby satisfy the demand of multinomial business simultaneously; Carry out the branch timing of Internet resources, needing to consider following factor:
Network side system performance: throughput, the availability of frequency spectrum etc.;
End side business experience: User Priority, user fairness, QoS of survice requirement etc.
Fig. 5 shows the structure chart of the another kind of mobility management systems that the embodiment of the invention provides, and can be found out by Fig. 5, comprises trigger equipment 510, multi-link management devices 520 and switching device shifter 530 in this mobility management systems, wherein:
Here, the available network at terminal is meant other overlay networks of the terminal communication position existence that does not insert at the terminal.
Fig. 6 shows the structure chart of the trigger equipment 510 in the above-mentioned mobility management systems, comprising:
Triggering command generation unit 511 is used for producing triggering command according to the demand of terminal traffic;
Wherein, The demand of terminal traffic comprises the demand of terminal traffic to end side and network side; The relevant information of network side and end side in the triggering command generation unit 511 responsible current accessed networks of collection terminal; And carry out analyzing and processing, when satisfying the trigger condition of formulating according to the demand of terminal traffic, produce triggering command.The information of need collecting can comprise: the change of bottom-up information (link-quality, the error rate, signal interference ratio etc.), network event information (load balancing, resource negotiation information when multi-link terminal (especially in network, exist a large amount of)), service attribute demand (to the sensitiveness of QoS such as bandwidth, time delay), user intention (user is to the demand of Freight Basis, to the demand (change with business changes) of access network fail safe etc.), terminal's status information (being mainly concerned with the saving of energy consumption).Trigger condition can comprise threshold method etc.; Promptly cross threshold value when certain or a few kinds of parameters; Be that current accessed network is can not satisfy the demand of terminal traffic the time; Demand according to this terminal traffic produces triggering command, can comprise the network connection identifier information at this terminal etc. in this triggering command, and this network connection identifier information can be used for judging whether this terminal is in multi-connection state.
Request message transmitting element 512; Be used for after producing triggering command at said triggering command generation unit 511; When judging this terminal and being in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in this multi-link management request message;
Request message transmitting element 512 can obtain its network of relation side collected and the information of end side from triggering command generation unit 511; Like the network connection identifier information at terminal, terminal's status information, network time information etc.; Produce multi-link management request message then, and send to multi-link management devices 520;
When request message transmitting element 512 was judged this terminal and is in single connection status, subsequent treatment was identical with prior art, repeats no more here.
Receiving element 513 is used to receive the multi-link management request response message that multi-link management devices 520 returns;
Handover trigger instruction sending unit 514 is used for sending the handover trigger instruction according to the multi-link management request response message that receiving element 513 receives.
Can comprise the information that parameter information that triggering command generation unit 511 is collected and multi-link management devices 520 carry in the instruction of this handover trigger in the multi-link management request response message that returns.
Above-mentioned trigger equipment 510 can also comprise:
Judging unit 515; Be used for after said triggering command generation unit 511 produces triggering command; Judge whether this terminal is in multi-connection state, and when judging this terminal and be in multi-connection state, indication request message sending unit 512 is sent multi-link management request message.
Here; Judging unit 515 can be according to the network connection identifier information at this terminal that comprises in the triggering command; Judge whether this terminal is in multi-connection state, also can judge whether this terminal is in multi-connection state according to the network connection identifier information at this terminal of adopting other modes to know.
Fig. 7 shows the structure chart of multi-link management devices 520 in the above-mentioned mobility management systems, comprising:
Request message receiving element 521 is used to receive the multi-link management request message that trigger equipment 510 sends;
Request message receiving element 521 can receive multi-link management request (Multi-connectionManagement Request) message from trigger equipment 510 through the special interface between trigger equipment 510 and the multi-link management devices 520.
Acquiring unit 522; The network connection identifier information at this terminal that is used for comprising according to the multi-link management request message that request message receiving element 521 receives is obtained the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
The process of the existing connection network information and terminal traffic demand information that acquiring unit 522 obtains this current accessed network in terminal is identical with the acquisition process of acquiring unit 122 in the previous embodiment, repeats no more here.
Response message returns unit 523; Be used for the existing connection network information and the terminal traffic demand information that are getting access to according to acquiring unit 522; Determine when not having the bearer network of the demand that satisfies this terminal traffic in the current accessed network at this terminal; Return multi-link management request response message and give trigger equipment 510, comprise in this multi-link management request response message and adopt available network to carry the indication information of this terminal traffic.
Response message returns unit 523 can also comprise the capacity decisions information that the capacity decisions unit provides in the multi-link management request response message that trigger equipment 510 returns.
Above-mentioned multi-link management devices 520 can also comprise:
For not the time, the indication response message returns unit 523 and returns multi-link management request response message and give trigger equipment 510 in definite result.
Fig. 8 shows the structure chart of switching device shifter 530 in the above-mentioned mobility management systems, comprising:
Handover trigger command reception unit 531 is used to receive the handover trigger instruction that trigger equipment 510 sends;
Handover trigger command reception unit 531 can receive this handover trigger instruction through the special interface between trigger equipment 510 and the switching device shifter 530.
Wherein selected cell 532 comprises:
Obtain subelement 5321, be used for obtaining the network information and the terminal traffic demand information of the available network at this terminal according to this handover trigger instruction;
The usable network information and the terminal traffic demand information that obtain the terminal that subelement 5321 obtains comprise: obtain partial parameters information, obtain the state information at terminal from the terminal and obtain the network information and user profile, network topological information etc. from the network information server and the subscriber information server of network side from trigger equipment 510; And the information that gets access to is classified and handle according to corresponding strategy; Determine useful usable network information, send to chooser unit 5322 then.
Correspondingly, the embodiment of the invention provides another kind of motion management method, and its flow process is as shown in Figure 9, and concrete steps are following:
This step is identical with the processing method of step 410 in the previous embodiment, repeats no more here.
In this step, trigger equipment judges according to the network connection identifier information at this terminal that comprises in the triggering command whether this terminal is in multi-connection state.
In this step, the existing connection network information that need obtain can comprise:
The current quality information of network is as receiving signal strength signal intensity, signal to noise ratio etc.;
Network present load information is like channel seizure ratio etc.;
The current resource information of network is like available bandwidth, resource reservation situation etc.
The terminal traffic demand information that need obtain can comprise:
Service attribute demand: to the sensitiveness of QoS such as bandwidth, time delay;
The change of user intention: the user is to the demand of Freight Basis, to demand (change with business changes) of access network fail safe etc.;
Terminal's status information: be mainly concerned with the saving of energy consumption.
In this step; Whether judge in the current accessed network at this terminal exists the process of the bearer network of the demand that satisfies this terminal traffic to be: multi-link management devices can judge with network present load information whether current accessed network can allow the terminal traffic access according to the existing current quality information of network that connects in the network information earlier, and then further judges whether current accessed network satisfies the demand of this terminal traffic according to current resource information of network and terminal traffic demand information.
In this step, switching device shifter instructs according to said handover trigger, obtains the network information and the terminal traffic demand information of the available network at this terminal; According to the network information and the terminal traffic demand information of the available network that gets access to, the handover network of selecting the demand that satisfies said terminal traffic carries said terminal traffic then.Its practical implementation process is identical with prior art, repeats no more here.
Illustrate the concrete implementation of above-mentioned two kinds of motion management methods below, shown in figure 10, suppose current terminal traffic 1 by UTRAN (accessed network 1) carrying, terminal traffic 2 is carried by wlan network (accessed network 2), and concrete steps are following:
Step 1004, multi-link management devices are obtained the existing connection network information of the current access network in terminal (accessed network 2) through network information server, and the QoS demand information of this terminal traffic 1, the capacity decisions information of access network side etc.
The accessed network 2 that step 1008, trigger equipment are selected according to the employing that comprises in this multi-link management request response message carries the information of this terminal traffic 1, indicates this accessed network 2 to carry this terminal traffic 1;
Step 1012, switching device shifter are according to this handover trigger instruction, and the handover network of from the available network at this terminal, selecting the demand that satisfies this terminal traffic carries this terminal traffic.
In the mobility management systems and method that the invention described above embodiment provides; When the terminal is in multi-connection state; Multi-link management devices is at first according to the existing connection network information and the terminal traffic demand information of the accessed network at this terminal; Judge the bearer network that whether has the demand that satisfies this terminal traffic in the current accessed network, when judged result when being, in current accessed network, select bearer network to carry this terminal traffic; Otherwise indication trigger equipment and switching device shifter carry out traditional network hand-off process.Therefore, the mobility management systems and the method that adopt the embodiment of the invention to provide can be avoided or generation that retardation network is switched as far as possible, thereby reduce network overhead, improve utilization efficiency of network resources, and promote customer service and experience.
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 (23)
1. a mobility management systems is characterized in that, comprises trigger equipment and multi-link management devices, wherein:
Said trigger equipment is used for producing triggering command according to the demand of terminal traffic, and when judging this terminal and be in multi-connection state, sends multi-link management request message, comprises the network connection identifier information at this terminal in the said multi-link management request message;
Said multi-link management devices; Be used to receive the multi-link management request message that said trigger equipment sends; Network connection identifier information according to the said terminal that comprises in the said multi-link management request message; Obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal; According to the said existing connection network information and the terminal traffic demand information that gets access to, from the current accessed network at this terminal, select the bearer network of the demand that satisfies said terminal traffic; And return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt the bearer network of selecting to carry the indication information of said terminal traffic.
2. the system of claim 1 is characterized in that, said trigger equipment comprises:
The triggering command generation unit is used for producing triggering command according to the demand of terminal traffic;
The first request message transmitting element; Be used for after said triggering command generation unit produces triggering command; When judging this terminal and being in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message.
3. the system of claim 1 is characterized in that, said trigger equipment comprises triggering command generation unit, judging unit and the second request message transmitting element, wherein:
Said triggering command generation unit is used for producing triggering command according to the demand of terminal traffic;
Said judging unit; Be used for after said triggering command generation unit produces triggering command; Judge whether this terminal is in multi-connection state, and when judging this terminal and be in multi-connection state, indicate the second request message transmitting element to send multi-link management request message;
The said second request message transmitting element is used for the indication according to said judging unit, sends multi-link management request message, comprises the network connection identifier information at this terminal in the said multi-link management request message.
4. like claim 2 or 3 described systems; It is characterized in that; The network connection identifier information that comprises this terminal in the triggering command that said triggering command generation unit produces; According to the network connection identifier information at this terminal that comprises in the said triggering command, judge whether this terminal is in multi-connection state.
5. like claim 2 or 3 described systems, it is characterized in that said trigger equipment also comprises:
Receiving element is used to receive the multi-link management request response message that said multi-link management devices returns;
Indicating member, the said bearer network of selecting of employing that is used for comprising according to the multi-link management request response message that said receiving element receives carries the indication information of said terminal traffic, indicates said bearer network to carry said terminal traffic.
6. the system of claim 1 is characterized in that, said multi-link management devices comprises:
The request message receiving element is used to receive the multi-link management request message that said trigger equipment sends;
Acquiring unit; The network connection identifier information at this terminal that is used for comprising according to the multi-link management request message that described request message sink unit receives is obtained the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
Selected cell is used for the existing connection network information and the terminal traffic demand information that get access to according to said acquiring unit, from the current accessed network in this terminal, selects the bearer network of the demand that satisfies said terminal traffic;
Response message returns the unit, is used to return multi-link management request response message and gives said trigger equipment, comprises the bearer network that adopts said selected cell to select in the said multi-link management request response message and carries the indication information of said terminal traffic.
7. the system of claim 1; It is characterized in that; Said multi-link management devices is further used for; According to the said existing connection network information and the terminal traffic demand information that gets access to; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal, return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Said trigger equipment is further used for, and receives said multi-link management request response message, and sends the handover trigger instruction according to said multi-link management request response message.
8. system as claimed in claim 7; It is characterized in that; Also comprise switching device shifter; Be used to receive the handover trigger instruction that said trigger equipment sends, and according to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
9. a motion management method is characterized in that, comprising:
Trigger equipment produces triggering command according to the demand of terminal traffic;
When judging this terminal and be in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message;
Multi-link management devices receives said multi-link management request message;
According to the network connection identifier information at said terminal, obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
According to the said existing connection network information and the terminal traffic demand information that gets access to, from the current accessed network at this terminal, select the bearer network of the demand that satisfies said terminal traffic;
Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt the said bearer network of selecting to carry the indication information of said terminal traffic.
10. method as claimed in claim 9 is characterized in that, comprises the network connection identifier information at this terminal in the said triggering command, and said trigger equipment judges according to said network connection identifier information whether this terminal is in multi-connection state.
11. method as claimed in claim 9 is characterized in that, said multi-link management devices also comprises after returning multi-link management request response message:
Said trigger equipment receives said multi-link management request response message; And
The said bearer network of selecting of employing according to comprising in the said multi-link management request response message that receives carries the indication information of said terminal traffic, indicates said bearer network to carry said terminal traffic.
12. method as claimed in claim 9; It is characterized in that; Said multi-link management devices is according to the existing connection network information and the terminal traffic demand information that get access to; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal, return multi-link management request response message and give trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Trigger equipment carries the indication information of said terminal traffic according to said employing available network, sends the handover trigger instruction;
Switching device shifter receives said handover trigger instruction; And
According to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
13. a mobility management systems is characterized in that, comprises trigger equipment, multi-link management devices and switching device shifter, wherein:
Said trigger equipment is used for producing triggering command according to the demand of terminal traffic, and when judging this terminal and be in multi-connection state, sends multi-link management request message, comprises the network connection identifier information at this terminal in the said multi-link management request message; And receive the multi-link management request response message that said multi-link management devices returns, and send the handover trigger instruction according to said multi-link management request response message;
Said multi-link management devices; Be used to receive the multi-link management request message that said trigger equipment sends; Network connection identifier information according to the said terminal that comprises in the said multi-link management request message; Obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal; According to the said existing connection network information and the terminal traffic demand information that gets access to; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal, return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Said switching device shifter be used to receive the handover trigger instruction that said trigger equipment sends, and according to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
14. system as claimed in claim 13 is characterized in that, said trigger equipment comprises:
The triggering command generation unit is used for producing triggering command according to the demand of terminal traffic;
The first request message transmitting element; Be used for after said triggering command generation unit produces triggering command; When judging this terminal and being in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message;
Receiving element is used to receive the multi-link management request response message that said multi-link management devices returns;
The handover trigger instruction sending unit is used for sending the handover trigger instruction according to the multi-link management request response message that said receiving element receives.
15. system as claimed in claim 13 is characterized in that, said trigger equipment comprises triggering command generation unit, judging unit, the second request message transmitting element, receiving element and handover trigger instruction sending unit, wherein:
Said triggering command generation unit is used for producing triggering command according to the demand of terminal traffic;
Said judging unit; After being used for said triggering command generation unit generation triggering command; Judge whether this terminal is in multi-connection state, and when judging this terminal and be in multi-connection state, indicate the said second request message transmitting element to send multi-link management request message;
The said second request message transmitting element is used for the indication according to said judging unit, sends multi-link management request message, comprises the network connection identifier information at this terminal in the said multi-link management request message;
Said receiving element is used to receive the multi-link management request response message that said multi-link management devices returns;
Said handover trigger instruction sending unit is used for sending the handover trigger instruction according to the multi-link management request response message that said receiving element receives.
16. like claim 14 or 15 described systems; It is characterized in that; The network connection identifier information that comprises this terminal in the triggering command that said triggering command generation unit produces; According to the network connection identifier information at this terminal that comprises in the said triggering command, judge whether this terminal is in multi-connection state.
17. system as claimed in claim 13 is characterized in that, said multi-link management devices comprises:
The request message receiving element is used to receive the multi-link management request message that said trigger equipment sends;
Acquiring unit; The network connection identifier information at this terminal that is used for comprising according to the multi-link management request message that described request message sink unit receives is obtained the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
First response message returns the unit; Be used for the existing connection network information and the terminal traffic demand information that are getting access to according to said acquiring unit; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal; Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic.
18. system as claimed in claim 13 is characterized in that, said multi-link management devices comprises request message receiving element, acquiring unit, confirms that the unit and second response message return the unit, wherein:
Described request message sink unit is used to receive the multi-link management request message that said trigger equipment sends;
Said acquiring unit; The network connection identifier information at this terminal that is used for comprising according to the multi-link management request message that described request message sink unit receives is obtained the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
Said definite unit is used for the existing connection network information and the terminal traffic demand information that get access to according to said acquiring unit, confirms whether to exist in the current accessed network at this terminal the bearer network of the demand that satisfies said terminal traffic; , indicate said second response message to return the unit and return multi-link management request response message and give said trigger equipment for not the time in definite result;
Said second response message returns the unit; Be used for indication according to said definite unit; Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic.
19. system as claimed in claim 13 is characterized in that, said switching device shifter comprises:
Handover trigger command reception unit is used to receive the handover trigger instruction that said trigger equipment sends;
Selected cell, the handover trigger that is used for receiving according to said handover trigger command reception unit is instructed, and the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
20. system as claimed in claim 19 is characterized in that, said selected cell comprises:
Obtain subelement, be used for obtaining the network information and the terminal traffic demand information of the available network at this terminal according to said handover trigger instruction;
The chooser unit is used for the network information and the terminal traffic demand information that obtain the available network that subelement gets access to according to said, and the handover network of selecting the demand that satisfies said terminal traffic carries said terminal traffic.
21. a motion management method is characterized in that, comprising:
Trigger equipment produces triggering command according to the demand of terminal traffic;
When judging this terminal and be in multi-connection state, send multi-link management request message, comprise the network connection identifier information at this terminal in the said multi-link management request message;
Multi-link management devices receives said multi-link management request message;
According to the network connection identifier information that comprises in the said multi-link management request message, obtain the existing connection network information and the terminal traffic demand information of this current accessed network in terminal;
According to the said existing connection network information and terminal traffic demand information; Determine when not having the bearer network of the demand that satisfies said terminal traffic in the current accessed network at this terminal; Return multi-link management request response message and give said trigger equipment, comprise in the said multi-link management request response message and adopt available network to carry the indication information of said terminal traffic;
Said trigger equipment receives said multi-link management request response message, and carries the indication information transmission handover trigger instruction of said terminal traffic according to said employing available network;
Switching device shifter receives said handover trigger instruction;
According to said handover trigger instruction, the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic.
22. method as claimed in claim 21 is characterized in that, comprises the network connection identifier information at this terminal in the said triggering command, said trigger equipment judges according to said network connection identifier information whether this terminal is in multi-connection state.
23. method as claimed in claim 21 is characterized in that, said switching device shifter instructs according to handover trigger, and the handover network of from the available network at this terminal, selecting the demand that satisfies said terminal traffic carries said terminal traffic, comprising:
According to said handover trigger instruction, obtain the network information and the terminal traffic demand information of the available network at this terminal;
According to the network information and the terminal traffic demand information of the said available network that gets access to, the handover network of selecting the demand that satisfies said terminal traffic carries said terminal traffic.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101175879A CN101640913B (en) | 2008-08-01 | 2008-08-01 | System and method for mobility management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101175879A CN101640913B (en) | 2008-08-01 | 2008-08-01 | System and method for mobility management |
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| CN101640913A CN101640913A (en) | 2010-02-03 |
| CN101640913B true CN101640913B (en) | 2012-04-25 |
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| CN2008101175879A Expired - Fee Related CN101640913B (en) | 2008-08-01 | 2008-08-01 | System and method for mobility management |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378358B (en) * | 2010-08-12 | 2015-09-16 | 中兴通讯股份有限公司 | A kind ofly realize multi-link framework and method |
| CN102378356B (en) * | 2010-08-16 | 2015-12-16 | 中兴通讯股份有限公司 | A kind of method of multi-link framework and realization attachment and resources control |
| CN102026406A (en) * | 2010-12-09 | 2011-04-20 | 大唐移动通信设备有限公司 | Method and device for maintaining service continuity |
| CN103298140B (en) | 2012-02-29 | 2017-06-27 | 华为技术有限公司 | The control method of multi-mode radio communication system, control server and terminal |
| CN102869119B (en) * | 2012-09-14 | 2016-06-08 | 东莞宇龙通信科技有限公司 | The management method that terminal is connected with data |
| CN103889033A (en) * | 2013-12-02 | 2014-06-25 | 江苏达科教育科技有限公司 | Cognitive wireless network access selection method |
| CN105515805A (en) * | 2014-09-24 | 2016-04-20 | 中兴通讯股份有限公司 | Network planning method and apparatus |
| WO2017166987A1 (en) * | 2016-04-01 | 2017-10-05 | 电信科学技术研究院 | Method and apparatus for determining and providing mobility management support and processing required by terminal |
| CN107295498A (en) | 2016-04-01 | 2017-10-24 | 电信科学技术研究院 | It is determined that method, the device of the mobile management support and processing needed for providing terminal |
| CN111314465B (en) * | 2020-02-17 | 2023-04-07 | 天津卓朗科技发展有限公司 | Weak network environment communication method and device and electronic equipment |
| CN113316199B (en) * | 2020-02-26 | 2023-06-20 | 华为技术有限公司 | Connection management method and related equipment |
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| CN1738290A (en) * | 2004-08-18 | 2006-02-22 | 华为技术有限公司 | Network access control method based on access control listing |
| EP1729532A1 (en) * | 2005-05-31 | 2006-12-06 | Samsung Electronics Co., Ltd. | System for managing frequency resources in multiple radio access networks and method thereof |
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