CN101662810A - Management method and management system for multiple services and multiple connections of mobile communication - Google Patents

Management method and management system for multiple services and multiple connections of mobile communication Download PDF

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CN101662810A
CN101662810A CN200810119132A CN200810119132A CN101662810A CN 101662810 A CN101662810 A CN 101662810A CN 200810119132 A CN200810119132 A CN 200810119132A CN 200810119132 A CN200810119132 A CN 200810119132A CN 101662810 A CN101662810 A CN 101662810A
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business
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mobile communication
link management
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CN101662810B (en
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王莹
张平
刘芳
彭聪
袁俊
郑磊
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The invention discloses a management method for multiple services and multiple connections of mobile communication, which comprises the following steps of: triggering the management of the multiple connections; determining a candidate network set; allocating a network for each one of the services; and transferring each one of the services to corresponding networks. The invention also discloses a management system for the multiple services and the multiple connections of the mobile communication. The management method and the management system solve the matching problems between the transmission requirement of the multiple services and the transmission capability of the multiple connections, and make full use of the network resources of the multiple connections. A most suitable network connecting resource is selected for each one of the services through the sequencing of candidate networks and the matching calculation of the services and the connections so as to ensure the QoS requirements of the multiple services of a terminal and the reasonable use of the network resources of the multiple connections.

Description

Management method and management system that a kind of mobile communication multi-service is multi-link
Technical field
The present invention relates to a kind of mobile communication technology, relate in particular to a kind of mobile communication multi-service multi-link management method and management system.
Background technology
In heterogeneous network environment, multimode terminal can be linked into different networks by different network interfaces, carries out alternately with network.Along with development of internet technology and the user demand to business, in the network scenarios in future, multimode terminal will be supported multi-link (multi-connection) function, make terminal can be connected communication simultaneously with a plurality of networks, carry one or multinomial business.Can see to the trend that all-IP merges that from heterogeneous network the network integration makes on the one hand can provide service for the user by complementary and cooperation between the different networks; On the other hand, along with the continuous development of network technology, diverse network is constantly expanded its advantage separately at aspects such as bandwidth, speed, coverings, thereby satisfies multi-user, multiple services demand better.This development trend makes the user use the multi-link communication service of multi-service to become possibility.
In existing heterogeneous network research, when selecting its professional network of carrying to connect for terminal, spininess is to the situation of ABC (Always Best Connected), discusses under the situation that a plurality of networks can be used, choose one preferably or optimal network service is provided.According to existing heterogeneous network motion management method, owing to network communication quality descends or reason such as customer service change need be initiated to switch when changing being connected of terminal and network, terminal activates all available network interfaces and constantly monitors all available networks to obtain the network information, in the candidate network set, determine target access network then, the terminal bearer service is switched in the new network carry out at last according to certain network selecting algorithm.
The situation that existing method just connects at single business sheet can not tackle how to be the connection of multi-service selection suitable network under the multi-link scene.And following heterogeneous network will be supported the multi-link ability of multimode terminal, carry multinomial business simultaneously.This moment, each network connection had different characteristics and transmittability, and type that each is professional and QoS (Quality of Service) require also to be not quite similar.Therefore, the method of prior art can not guarantee the qos requirement and the utilization of multi-link lower network reasonable resources of user multi-service, can not be that promptly the terminal multi-service selects suitable multi-link resource, to solve the matching problem between multiple services transmission demand and the multi-link transmittability.
Summary of the invention
The objective of the invention is at the defective that can not select the suitable network connection in the prior art for multi-service, provide a kind of under heterogeneous network environment, the user uses a plurality of networks connections to carry out multiple business simultaneously, and is the multi-link management method of mobile communication multi-service and the management system of the only network connection resource of each service selection.
For realizing purpose of the present invention, provide a kind of mobile communication multi-service multi-link management method, may further comprise the steps: trigger multi-link management; Determine the candidate network set; Give described each traffic assignments network; Each business is transferred to corresponding network.
For realizing purpose of the present invention, also provide a kind of mobile communication multi-service multi-link management system, comprising: trigger module is used for generating triggering signal according to the variation of the total transmittability of network and professional total transmission demand; Administration module is used to receive described triggering signal and draws allocation result to described each traffic assignments network; Executive Module is used for according to described allocation result described each business being transferred to the corresponding network that distributes.
Multi-link management method and the management system of a kind of mobile communication multi-service of the present invention, by multi-link triggering, multi-link decision-making, multi-link management, the professional transfer and the switching access procedure, for carrying multi-service under the multi-link application scenarios provides a cover complete method.This management method and management system have solved the matching problem between multiple services transmission demand and the multi-link transmittability, make full use of the multiconnection network resource.Be calculated as the optimal network connection of each service selection by the candidate network ordering with the professional coupling that is connected, assurance multiple services qos requirement of terminal and multiconnection network reasonable resources are used.The present invention adopts modular structure, helps functional configuration and specific implementation.
Description of drawings
Fig. 1 is the multi-link management system structure chart of mobile communication multi-service of the present invention;
Fig. 2 is for being the structured flowchart of the multi-link management system administration module of mobile communication multi-service of the present invention;
Fig. 3 is the structured flowchart of the multi-link management system Executive Module of mobile communication multi-service of the present invention;
Fig. 4 is the multi-link management method flow chart of mobile communication multi-service of the present invention;
Fig. 5 is the particular flow sheet of the multi-link management method of mobile communication multi-service of the present invention step 2;
Fig. 6 is the particular flow sheet of the multi-link management method of mobile communication multi-service of the present invention step 3;
The particular flow sheet of the multi-link management method of Fig. 7 mobile communication multi-service of the present invention step 4.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, in the embodiment of the invention, the multi-link management system of mobile communication multi-service comprises: trigger module 20, administration module 40 and Executive Module 60.
In the multi-link application of heterogeneous network, terminal has K class business, and every class traffic table is shown S k, professional S kThe QoS demand in, the service rate demand schedule is shown R k, k=1,2 ... K, then professional total transmission demand is
Figure A20081011913200111
Minimum tolerance time delay is expressed as d kBe connected with N the network that terminal communicates this moment, and each connection is expressed as N i, i=1,2 ... N, each network capacity is BW i, then the total transmittability of network is Network average delay D iExpression.Still have other M available network that does not connect in the terminal this moment network environment of living in, each net list is shown N j, j=1,2 ... M.The candidate network set is expressed as N Candidate
Trigger module 20 generates triggering signal 80 to trigger administration module 40 according to network capacity information 90a and professional transmission demand information 90b.Under many networks connection situation, the factor that triggers connection management has network quality decline, user or business need change, professional initiation or end etc.Can be summed up as following two big classes with triggering reason:
One, multi-link transmittability changes, comprise that the user moves the link-quality variation that causes, network context information changes, the pairing offered load of a certain connection increases the weight of, the pairing network security risk increasing of a certain connection etc., these factors all can cause multi-link transmittability to change;
Two, multi-service transmission demand changes, and comprises QoS of survice change, user preferences change, a service conversation end, a new business initiation etc.These factors all can cause multiple services transmission demand to change.
The result that this two classes triggering factors causes makes between total transmission demand of original business and the total transmittability of network unmatched situation to have taken place, thereby triggers multi-link management.When multiservice requirement increase or the reduction of multi-link ability, multi-link ability can not satisfy multiple services demand, needs to increase new network connection resource, guarantees the QoS of survice requirement; When multiservice requirement reduction or the increase of multi-link ability, can distribute better connection resource for multi-service, improve service feature and experience.
As shown in Figure 2, administration module 40 comprises that network determination module 41, priority determination module 42, weight are provided with module 43, ordering computing module 44, algorithm data-base 45, matching module 46, Internet resources update module 47 and first judge module 48.Administration module 40 carries out network allocation according to network capacity information 90a and professional transmission demand information 90b to each business under the triggering of triggering signal 80.
Wherein, network determination module 41 is according to the total transmittability of network
Figure A20081011913200121
With the total transmission demand of business
Figure A20081011913200122
Determine the candidate network set.When
Figure A20081011913200123
The time, existing multi-link transmittability satisfies total multi-service transmission demand, can utilize the current Internet resources that connected to be terminal multi-service service, current existing connection network N Current={ N i, i=1,2, L, N} are the candidate network set, can be expressed as N Candidate=N Current, be each traffic assignments suitable network resource by the multi-link management of multi-service then.The existing user's bearer service that is connected to of preferential use this moment to avoid carrying out the process of new network discovery and register and authentication, is simplified multi-link operation, saves power consumption of terminal.When
Figure A20081011913200124
The time, the existing total transmittability of network can not satisfy professional total transmission demand, then inquires about the available network situation that other do not connect, and (1≤m≤M) individual new network joins the candidate network set, thereby the candidate network set is expressed as N to select suitable m Candidate={ N l| N l∈ N CurrentU N New, l=1,2, L, N, N+1, L, N+m}, wherein not connect collection of network be N to m New={ N j, j=1,2, L, m, m≤M}.
New network selection is the needs of a business of carrying, and this business can be the new business that terminal is initiated, can be one change owing to QoS or current quality of connection under the degradation reason new business that need shift.New network selection standard is at first to satisfy this professional qos requirement, because this business matches the possibility maximum of new network.For example, if this business is a real-time service, the network of then selecting not connect network average delay minimum in the available network joins the candidate network set; If this business is the business that a two-forty requires, the network of then selecting not connect transmission bandwidth maximum in the available network joins the candidate network set.
After selecting what a new network to add the candidate network set, recomputate the professional transmittability of candidate network set, if satisfy this moment
Figure A20081011913200131
Then the candidate network set is determined; If do not satisfy, then the standard according to the new network of above-mentioned selection continues to select a network to join the candidate network set, up to satisfying
Figure A20081011913200132
Till.But, be not that all not connection available networks are all joined the candidate network set, otherwise when network ordering and professional the transfer, can cause very macroreticular expense, destroy the availability of original connection.
Priority determination module 42 is determined each professional priority according to the type of business and professional service quality regulation.Stipulate according to division and the QoS to type of service in 3GPP TS 23.107 standards, in the present embodiment, get four kinds of business and represent four kinds of types of service respectively, be i.e. VoIP (interactive), Videostreaming (stream is professional), Web browsing (interactive), Email (back bench-type).Its maximum tolerance time delay is expressed as d respectively VoIP, d Videostreaming, d Web browsingAnd d EmailTerminal of synchronization may have the business of several types, and according to the requirement of the QoS influence to user experience, the priority higher to the business setting of delay sensitive is promptly because d VoIP＜d Video streaming＜d Web browsing＜d Email, so service priority is followed successively by VoIP, Video streaming, Web browsing, Email in proper order.During for traffic assignments network connection resource, handle according to the service priority order.
Weight is provided with module 43 and stipulates each business setting weight according to the type of business and professional service quality.For real time business, because real time business has very strict requirement to time delay, parameters such as reply time delay and delay variation are provided with higher weight when weight is provided with, and other parameters are according to business need and user preferences relative set.For non-real-time service, the factor of then more consideration prices or bandwidth, if it is professional higher to rate requirement, then higher weight is set for bandwidth parameter, if the user wishes to obtain lower price, then for price parameter is provided with higher weight, other parameters are according to business need and user preferences relative set.
Being provided with of weight can have multiple mode, should and require according to actual conditions to select suitable manner and calculate respective value.Can weight be set by the user, promptly rule of thumb be one group of weight of each traffic assignments artificially; Also can be by the network settings weight, promptly according to the weight that is provided with of network statistics value for each business; Can also utilize AHP method (Analytic Hierarchy Process, analytic hierarchy process (AHP)), generate the relative importance matrix, draw one group of weight with EM (Eigenvector Method, characteristic vector method).
Present embodiment is that multi-service is provided with different weights, can seek the most suitable their network connection resource for multi-service.Because in multi-link applied environment, each network connects the characteristic that all has separately, is embodied on the static parameter of network carrying professional ability, as minimal time delay, maximum bandwidth, price for traffic etc.Meanwhile, the s own situation of network and service bearer situation change at any time, and causing the current business support ability of network is dynamic change, is embodied in such as parameters such as remaining bandwidths.After knowing these information of multiconnection network, each business need that is reflected in being provided with according to weight can correspondingly connect for each business finds the network that satisfies business need, thereby distributes multiconnection network resource better for multi-service.
Ordering computing module 44 for each business is carried out the candidate network ordering, and calculates the ranking score of each professional candidate network according to each professional priority and each professional weight, and that ranking score is the highest is the first ranking score S Target, its corresponding candidate network is an objective network, the ranking score of professional current network is the second ranking score S Current Ordering computing module 44 sends to matching module 46 with ranking results.
Administration module 40 also comprises algorithm data-base 45, link to each other with ordering computing module 44, the algorithm that storage is carried out candidate network ordering to each business in the algorithm data-base 45, algorithm comprise simple weighted and method, approach the ideal solution ranking method, cost function method and weighting Markov Chain Method.
Matching module 46 arrives corresponding candidate network according to ranking results with traffic assignments.Work as S Targ et=S CurrentThe time, the first ranking score S TargetCorresponding objective network is professional current network, does not carry out business and shifts; Work as S Target＞S CurrentThe time, i.e. the first ranking score S TargetThe service feature of corresponding objective network is better than the service feature of professional current network, and business is transferred to the first ranking score S TargetCorresponding objective network.
If objective network is bigger for the lifting of service feature, cost that can the compensating network expense is then transferred to business on the objective network; If but objective network is less for the lifting of service feature, caused bigger network overhead on the contrary, think that then this professional the transfer there is no need.Because the selection of objective network is not necessarily optimum, but optimal, need to consider the compromise of service feature and network overhead, can not cause the very big network overhead and the wasting of resources because of the optimum of excessive pursuit performance.
Therefore, a threshold value ζ can be set, when
Figure A20081011913200151
The time, do not carry out business and shift; And work as
Figure A20081011913200152
The time, business is transferred to the first ranking score S TargetCorresponding objective network.
Internet resources update module 47, after matching module 46 was the traffic assignments network, Internet resources update module 47 was calculated as the transmittability of the residue candidate network set behind the traffic assignments network.Promptly from the network capacity of existing connection, deducting is the transfer resource of traffic assignments.Network connects N iOriginal transmittability be BW i, distributing to transmission demand is R kProfessional S kAfter, network connects N iThe renewal transmittability be BW ' i=BW i-R kThe renewal that network connects transmittability can guarantee that network connects the accuracy of situation, thereby carries out next round network sequencer procedure smoothly.
First judge module 48 judges whether each business has all distributed network, if the whole distribution network of each business, then the control of first judge module sends to Executive Module 60 with allocation result 70; If also have unallocated network in the business, then administration module 40 continues as the traffic assignments network of unallocated network.
As shown in Figure 3, Executive Module 60 is transferred to the corresponding network that distributes according to allocation result 70 with each business, and it comprises second judge module 61, professional shift module 62, switches access module 63 and resource release module 64.
Second judge module 61 judges that whether objective network is that new network connects, and when objective network is a new network when connecting, second judge module 61 is sent to allocation result 70 and switches access module 63; When objective network is not a new network when connecting, second judge module 61 is sent to professional shift module 62 with allocation result 70.
Professional shift module 62 receives allocation result 70, according to allocation result 70 each business is transferred in the corresponding candidate network.
Switch access module 63, receive allocation result 70, according to the Internet resources that objective network is reserved in traffic assignments, switch and prepare and access authentication, carry out handoff procedure this moment, sets up new connection and carry this business.
Resource release module 64 is carried out resource to remaining network and is discharged after network allocation finishes in that all business are carried out, i.e. the network connection that control not have to use enters sleep state or closes connection.
As shown in Figure 4, the multi-link management method of mobile communication multi-service of the embodiment of the invention may further comprise the steps:
Step 1 triggers multi-link management;
Step 2 is determined the candidate network set;
Step 3 is given each traffic assignments network;
Step 4 is transferred to corresponding network with each business.
Wherein, step 1 is specially according to the total transmittability of network
Figure A20081011913200161
With the total transmission demand of business
Figure A20081011913200162
The multi-link management of change triggers.
As shown in Figure 5, determine in the step 2 that the candidate network set specifically comprises:
Step 2a calculates the total transmittability of existing network
Figure A20081011913200171
With the total transmission demand of business
Figure A20081011913200172
Step 2b judges the total transmittability of existing network
Figure A20081011913200173
Whether less than the total transmission demand of business
Figure A20081011913200174
When
Figure A20081011913200175
The time, execution in step 2c, when
Figure A20081011913200176
The time, direct execution in step 3;
Step 2c inquires about the available network that other do not connect, and selects at least m new network N j to join the candidate network set, forms new candidate network set N Candidate={ N l| N l∈ N CurrentU N New, l=1,2, L, N, N+1, L, N+m};
Step 2d calculates total transmittability of new candidate network set Judge the total transmittability of network Whether greater than the total transmission demand of business
Figure A20081011913200179
If
Figure A200810119132001710
Execution in step 2e, if
Figure A200810119132001711
Return step 2c;
Step 2e, new candidate network set is determined.
Preferably, according to the transmittability of each network, replace disabled network or the little network of transmittability in the candidate network set with new network.When the network capacity of new selection is fine,, can considers to remove in original connection disabled network and connect or replace the relatively poor network of transmittability in original connection because new network determined and must add the candidate network set.But still the transmittability that need satisfy all-network in the candidate network set can satisfy the multi-service transmission demand, promptly
Comprised before in the step 3 and determine each professional priority, be specially: determine each professional priority according to the type of business and professional service quality regulation.
As shown in Figure 6, step 3 specifically comprises:
Step 3a stipulates each business setting weight according to the type and the professional service quality of business;
Step 3b according to each professional priority orders and each professional weight, carries out the candidate network ordering for each business, calculates the ranking score of each professional candidate network;
Step 3c gives each traffic assignments network according to ranking results;
Step 3d upgrades network resource information;
Whether all step 3e judges each business distribution network, if then execution in step 4; If not, then return step 3b.
Wherein, among the step 3a, can be each business setting weight according to user's needs or network statistics value; Or utilize analytic hierarchy process (AHP) to generate the relative importance matrix, draw each professional weight with the characteristic vector method.
Carry out in the sequencer procedure for each professional candidate network among the step 3b, real-time or class real time business for all preferentially select for use an existing network to connect transport service, and network performance should satisfy D i≤ d k, D iBe the minimal time delay of network, its reason be this type of business to the delay requirement sensitivity, handle to want fast, therefore not considering multi-linkly provides service manner for single business.And, then may exist many networks to be connected to the situation of a business service for non-real-time service (priority of network ordering is minimum), and its core concept is to utilize remaining bandwidth to be business service, network performance should satisfy For example for the ftp business, can be only with the bandwidth of candidate network from big to small (or on cost from low to high) sort, if satisfying, maximum bandwidth use corresponding network to connect, if can not just add time greatly, the rest may be inferred finds can provide a plurality of networks of this business to connect.
Among the step 3b, can also be according to the actual conditions of network and user's business need, with simple weighted and method (Simple Additive Weighting is called for short SAW), approach ideal solution ranking method, cost function method or weighting Markov Chain Method each business carried out the candidate network ordering.
Step 3c can comprise: establish ranking score the highest be the first ranking score S Target, its corresponding candidate network is an objective network, the ranking score of professional current network is the second ranking score S Current, work as S Target=S CurrentThe time, the first ranking score S TargetCorresponding objective network is professional current network, does not carry out business and shifts; Work as S Target＞S CurrentThe time, i.e. the first ranking score S TargetThe service feature of corresponding objective network is better than the service feature of professional current network, and business is transferred to the first ranking score S TargetCorresponding objective network.
If objective network is bigger for the lifting of service feature, cost that can the compensating network expense is then transferred to business on the objective network; If but objective network is less for the lifting of service feature, caused bigger network overhead on the contrary, think that then this professional the transfer there is no need.Because the selection of objective network is not necessarily optimum, but optimal, need to consider the compromise of service feature and network overhead, can not cause the very big network overhead and the wasting of resources because of the optimum of excessive pursuit performance.Therefore, more excellent, step 3c can also comprise: a threshold value ζ is set, when The time, do not carry out business and shift; And work as
Figure A20081011913200192
The time, business is transferred to objective network.
In the present embodiment, before the ordering, each business all corresponding one or more networks.The professional general corresponding network of real-time class, and non real-time class business may provide service by a plurality of networks under many networks connection situation.In ordering, the current network of class business and objective network are a network generally in real time, and the current network of non real-time class business and objective network may be the couplings of a plurality of network connection resources, at this moment the S among the step 3c CurrentAnd S TargetBe the result who obtains after the multi-link weighting.
Below be that example sorts to each professional candidate network with the SAW method.
In the SAW method, the score of each candidate network i is by the normalized value r of each parameter j IjMultiply by the weighted value w of parameter j jAddition and getting.Selected network A SAW *For:
A SAW * = arg max i ∈ M Σ j = 1 N w j r ij ,
Wherein N represents the number of parameter, and M represents the number of candidate network.
At first all parameters that needs are considered are carried out normalization, and the method for normalizing that different parameters is corresponding different such as for parameters such as bandwidth, wishes that it is the bigger the better, and the method for normalizing of its parameter is:
r ij = x ij x j max
And, wish that it is the smaller the better for parameters such as costs, then the method for normalizing of the parameter of this class is:
r ij = x j min x ij
After each parameter normalization, by multiplying each other, obtain final result, as the judgement foundation with set corresponding weights.
The current information of each network is represented with matrix D in the candidate network set, and as the input parameter matrix, each row is represented a network, and each row is represented decision parameters, as time delay, bandwidth, price etc.For example, suppose that this matrix D is as follows:
D = A 1 A 2 A 3 A 4 10 30 80 0.909 1 0.5 7 40 80 0.909 0.091 0.5 1 80 20 0.283 0.909 1 2 40 40 0.283 0.717 1
Be professional S kThe weight matrix w that is provided with kExpression, each row of its each row map network resource matrix D are represented as the weighted value that decision parameters are provided with.For example, the weight w of voice and file download vAnd w dBe respectively:
w v＝[0.167?0.167?0.094?0.239?0.239?0.094]
w d＝[0.239?0.239?0.094?0.094?0.167?0.167]
Utilize the SAW algorithm, convert matrix D to normalization decision matrix D ' according to the normalized method of parameter and be:
D ′ = A 1 A 2 A 3 A 4 0.1 0.375 1 1 1 1 0.143 0.5 1 1 0.091 1 1 0.167 0.25 0.311 0.909 0.5 0.5 0.239 0.375 0.311 0.717 0.5
Weight w corresponding to business setting k, finally obtain S by weighted sum calculating kProfessional ranking score result of calculation A corresponding to each candidate network kFor example, corresponding to the weight of voice application and file download, finally calculate the ranking score result of calculation A of voice application and file downloading service v, A dAs follows respectively:
A v＝[0.746?0.557?0.696?0.495]
A d＝[0.636?0.524?0.767?0.507]
Matrix A kEach tabulation show the final ranking score of a network.Wherein the network of ranking score maximum correspondence is as objective network, and reciprocal fraction is designated as S Target, the reciprocal fraction of current network is designated as S Current
Upgrade network resource information among the step 3d, be the transmittability of the set of the residue candidate network behind the computing service distribution network.According to the service priority order, be after a business matches corresponding Internet resources, need to upgrade each transmittability that connects in the candidate network set, promptly from the existing network capacity that connects, deduct and be the transfer resource of traffic assignments.Network connects N iOriginal transmittability be BW i, distributing to transmission demand is R kProfessional S kAfter, network connects N iThe renewal transmittability be BW ' i=BW i-R kThe renewal that network connects transmittability can guarantee that network connects the accuracy of situation, thereby carries out next round network sequencer procedure smoothly.
Wherein, judge among the step 3e each business whether all the method for distribution networks be that terminal carrying K class business after multi-link management starts, be this K class business distribution network connection resource one by one according to the method described above in the multi-link communication, needs distribution t=K time altogether.T can adopt counter to count.T=t-1 when finishing, a traffic assignments is arranged.When t=0, network allocation finishes, and continues step 4; If t＞0 is then returned step 3b and is continued as next traffic assignments network.
As shown in Figure 7, step 4 specifically comprises:
Step 4a judges that whether objective network is that new network connects, if, execution in step 4c then, if not, execution in step 4b;
Step 4b is if the whole distribution network of each business is transferred to corresponding objective network with each business; If also have unallocated network in the business, then continue as the traffic assignments network of unallocated network;
Step 4c according to the Internet resources that objective network is reserved in traffic assignments, switches and prepares and access authentication, and carry out handoff procedure, sets up new network with bearer service;
Step 4d carries out resource to remaining network and discharges after network allocation finishes in that all business are carried out, and the network connection that promptly not have to use enters sleep state or closes connection.
Multi-link management method and the management system of a kind of mobile communication multi-service of the present invention, adapt to multi-link multi-service needs, handover trigger, handover decisions, hand-off execution process in traditional motion management method are changed into multi-link triggering, multi-link decision-making, multi-link management, the professional transfer and the switching access procedure, for carrying multi-service under the multi-link application scenarios provides a cover complete method.This management method and management system have solved the matching problem between multiple services transmission demand and the multi-link transmittability, make full use of the multiconnection network resource, be calculated as the optimal network connection of each service selection by the candidate network ordering with the professional coupling that is connected, assurance multiple services qos requirement of terminal and multiconnection network reasonable resources are used.The present invention adopts modular structure, helps functional configuration and specific implementation.
It should be noted that: above embodiment is only unrestricted in order to explanation the present invention, and the present invention also is not limited in above-mentioned giving an example, and all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.

Claims (23)

1, the multi-link management method of a kind of mobile communication multi-service is characterized in that, may further comprise the steps:
Trigger multi-link management;
Determine the candidate network set;
Give described each traffic assignments network;
Each business is transferred to corresponding network.
2, the multi-link management method of mobile communication multi-service according to claim 1 is characterized in that, the multi-link management of described triggering comprises: according to the multi-link management of the change triggers of network capacity and professional transmission demand.
3, the multi-link management method of mobile communication multi-service according to claim 1 is characterized in that, described definite candidate network set specifically comprises:
Total transmittability of calculated candidate collection of network and total transmission demand of described business;
When described total transmittability during less than described total transmission demand, inquire about the available network that other do not connect, select at least one new network to join described candidate network set, form new candidate network set; When described total transmittability during, determine that the current available network that has connected is the candidate network set more than or equal to described total transmission demand;
Calculate total transmittability of described new candidate network set, when total transmittability of described new candidate network set during more than or equal to total transmission demand of described business, described new candidate network set is determined; If total transmittability of described new candidate network set less than total transmission demand of described business, then continues to add new network up to total transmittability of described new candidate network set total transmission demand more than or equal to described business.
4, the multi-link management method of mobile communication multi-service according to claim 3 is characterized in that, according to the transmittability of each network, with at least one network in the set of described new network replacement candidate network.
5, the multi-link management method of mobile communication multi-service according to claim 1, it is characterized in that, describedly also comprise before giving described each traffic assignments network: determine each professional priority according to the type of described business and the service quality regulation of described business.
6, the multi-link management method of mobile communication multi-service according to claim 5 is characterized in that, describedly specifically comprises for described each traffic assignments network:
Stipulate each business setting weight according to the type of described business and the service quality of described business;
According to described each professional priority orders and described each professional weight, carry out the candidate network ordering for described each business, calculate the ranking score of described each professional candidate network;
Give described traffic assignments network according to described ranking score.
7, the multi-link management method of mobile communication multi-service according to claim 6 is characterized in that,
Calculate described ranking score the highest be first ranking score, the candidate network of the described first ranking score correspondence is an objective network, the ranking score of described professional current network is second ranking score, when described first ranking score equals described second ranking score, described professional current network is objective network, does not carry out business and shifts; When described first ranking score during, described business is transferred to described objective network greater than described second ranking score.
8, the multi-link management method of mobile communication multi-service according to claim 7 is characterized in that, a threshold value ζ is set, when The time, S TargetBe described first ranking score, S CurrentBe described second ranking score, do not carry out business and shift;
When
Figure A2008101191320004C1
The time, described business is transferred to described objective network.
9, the multi-link management method of mobile communication multi-service according to claim 3 is characterized in that, described give described each traffic assignments network after, comprising: the transmittability that is calculated as the residue candidate network set behind the described traffic assignments network.
10, the multi-link management method of mobile communication multi-service according to claim 1 is characterized in that, describedly also comprises before each business is transferred to corresponding network:
Judge whether all distribution network of described each business, if the whole distribution network of described each business is transferred to each business on the network of correspondence; If also have unallocated network in the described business, then continue as the traffic assignments network of described unallocated network.
11, according to any multi-link management method of described mobile communication multi-service in the claim 7 to 10, it is characterized in that, described each business transferred to corresponding network, specifically comprise:
Judge whether described objective network is the new network that connects;
If described objective network is the new network that connects, then the Internet resources of reserving in traffic assignments according to objective network switch and prepare and access authentication, and carry out handoff procedure;
If objective network is not the new network that connects, then described business is transferred to described objective network.
12, the multi-link management system of a kind of mobile communication multi-service is characterized in that, comprising:
Trigger module is used for generating triggering signal according to the variation of the total transmittability of network and professional total transmission demand;
Administration module is used to receive described triggering signal and draws allocation result to described each traffic assignments network;
Executive Module is used for according to described allocation result described each business being transferred to the corresponding network that distributes.
13, the multi-link management system of mobile communication multi-service according to claim 12 is characterized in that described administration module comprises: network determination module and matching module,
Described network determination module is used for determining the candidate network set according to total transmittability of described network and the total transmission demand of described business;
Described matching module is used for being described each traffic assignments network according to described candidate network set.
14, the multi-link management system of mobile communication multi-service according to claim 13 is characterized in that described administration module also comprises the priority determination module, is used for determining described each professional priority according to the type and the service quality regulation of business.
15, the multi-link management system of mobile communication multi-service according to claim 14 is characterized in that, described administration module comprises that also weight is provided with module and ordering computing module,
Described weight is provided with module and is used for each business setting weight;
Described each professional priority and described weight that described ordering computing module is used for determining according to described priority determination module are provided with described each professional weight that module is provided with, for described each business is carried out the candidate network ordering, and calculate the ranking score of described each professional candidate network;
Described matching module is described each traffic assignments network according to described ranking score.
16, the multi-link management system of mobile communication multi-service according to claim 15, it is characterized in that, it is described each business setting weight according to user's needs or network statistics value that described weight is provided with module, or utilize analytic hierarchy process (AHP) to generate the relative importance matrix, draw described each professional weight with the characteristic vector method.
17, the multi-link management system of mobile communication multi-service according to claim 15, it is characterized in that, described ordering computing module comprises algorithm data-base, the algorithm that storage is carried out candidate network ordering to described each business in the described algorithm data-base, described algorithm comprise simple weighted and method, approach the ideal solution ranking method, at least one algorithm in cost function method and the weighting Markov Chain Method.
18, the multi-link management system of mobile communication multi-service according to claim 15, it is characterized in that, described ordering computing module calculate described ranking score the highest be first ranking score, the candidate network of the described first ranking score correspondence is an objective network, the ranking score of described professional current network is second ranking score, when described first ranking score equaled described second ranking score, described objective network was described professional current network; When described first ranking score during, give the described objective network of described traffic assignments greater than described second ranking score.
19, the multi-link management system of mobile communication multi-service according to claim 18 is characterized in that, described ordering computing module is provided with a threshold value ζ,
When
Figure A2008101191320006C1
The time, S TargetBe described first ranking score, S CurrentBe described second ranking score, described objective network is described professional current network;
When The time, described matching module is distributed to described business with described objective network.
20, according to any multi-link management system of described mobile communication multi-service in the claim 12 to 19, it is characterized in that, described administration module also comprises the Internet resources update module, after described administration module was the traffic assignments network, described Internet resources update module was calculated as the transmittability of the residue candidate network set behind the described traffic assignments network.
21, according to any multi-link management system of described mobile communication multi-service in the claim 12 to 19, described administration module also comprises first judge module, be used to judge whether described each business has all distributed network, if described each business is distribution network all, then described first judge module sends to described professional shift module with allocation result; If also have unallocated network in the described business, then described administration module continues as the traffic assignments network of described unallocated network.
22, the multi-link management system of mobile communication multi-service according to claim 12 is characterized in that described Executive Module comprises: professional shift module is used for according to described allocation result described business being transferred to corresponding described objective network.
23, the multi-link management system of mobile communication multi-service according to claim 22 is characterized in that, described Executive Module also comprises second judge module and switching access module,
Described second judge module is used to judge that whether described objective network is that new network connects, and when objective network is a new network when connecting, described second judge module is sent to described switching access module with described allocation result; When objective network is not a new network when connecting, described second judge module is sent to described professional shift module with described allocation result;
Described switching access module is used for according to described allocation result, according to the Internet resources that described objective network is reserved in traffic assignments, switches and prepares and access authentication, and carry out handoff procedure, sets up new connection and carries this business.
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