CN104955101A - Load balancing method and balancing device - Google Patents
Load balancing method and balancing device Download PDFInfo
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- CN104955101A CN104955101A CN201410124505.9A CN201410124505A CN104955101A CN 104955101 A CN104955101 A CN 104955101A CN 201410124505 A CN201410124505 A CN 201410124505A CN 104955101 A CN104955101 A CN 104955101A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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Abstract
The invention discloses a load balancing method and balancing device so that divergence between operators in balancing direction when load balancing is performed under a network sharing scene can be eliminated. The load balancing method is used for a source base station. The source base station is at least shared by a first operator and a second operator. The load balancing method comprises the steps that when the first operator requires to initiate load balancing in the source cell of the source base station, at least one cell is selected from the neighbor cells of the source cell to act as a target cell according to a cell selection strategy corresponding to the first operator; the target base station corresponding to the target cell is at least shared by the first operator and the second operator; and a first request message is transmitted to the target base station, and the resources of the second operator are utilized to assist the first operator to perform load balancing on the source cell at the target cell through the request. Divergence between the operators in balancing direction when load balancing is performed under the network sharing scene can be eliminated by the load balancing method.
Description
Technical field
The present invention relates to cordless communication network technology, particularly a kind of load-balancing method and balancer.
Background technology
Along with the wireless transmission standard of operator constantly increases, how the continuous expansion of operation coverage, realize network design fast, how to reduce network construction cost and O&M cost and become the significant challenge that operator faces.
In order to effectively tackle above-mentioned challenge, Sharing Technology in Network starts the concern and the welcome that are subject to more and more operator, and has started in some areas to dispose and application.Sharing Technology in Network a kind ofly between different operators, realizes that site is shared, Access Network is shared and/or technology that core net is shared.Main operator and shared operator reach the object reducing network construction cost and O&M cost by share of access network and core net.A kind of typical network shares scene as shown in Figure 1.
As shown in Figure 1, under network shares scene, an eNB can belong to Liang Ge operator (operator A and B) jointly.Load balancing process can be initiated by a side, and is undertaken by the opposing party's cooperation.Existing load-balancing technique places one's entire reliance upon the load information of community entirety and cell merge parameter, therefore, can cause there is certain contradiction between operator, be described as follows this citing.
Assuming that for community 1,2 and 3, allocate in advance and respectively account for 50% of aggregate resource to the resource of operator A and B.The resource of community 1 is fully used, and the actual resource taken of operator A has exceeded pre-assigned resource (50% of aggregate resource).And in community 2, allocate in advance and be used up complete to the resource of operator A (50% of aggregate resource), and in community 3, allocate in advance and also have some residual to the resource of operator A (50% of aggregate resource).
In above-mentioned situation, the resource of community 1 is finished using, and occurs congested.Allocate in advance to the resource of operator B because operator A occupies part.If use resource also will cannot be reduced to more than 50% by the load balancing of operator inside by operator A, that operator A just ensures the access of subsequent user in community 1 without any remaining resource, in this case just need to initiate the load balancing between operator, that is: ask operator B certain customers to be moved out community 1, vacateed part resource and come for operator A.
But, can conflict be there is between operator A and B in the user of operator B moved out to community 2 or community 3.Operator A more these users wishes to move to the community 3 that self residual resource enriches more, and operator B then more wishes the community 3 that these users move to surplus resources and more enrich, to avoid " leasing " resource to operator A.
Also do not have scheme to solve in prior art difference that above-mentioned network shares the equilibrium direction brought due to load balancing under scene.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of load-balancing method and balancer, when carrying out load balancing under elimination network shares scene, in the difference of equilibrium direction between operator.
To achieve these goals, embodiments provide a kind of load-balancing method, for a source base station, described source base station is at least shared by the first operator and the second operator, and described load-balancing method specifically comprises:
When the first operator needs to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Send the first request message to described target BS, ask to utilize in described Target cell the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin.
Above-mentioned load-balancing method, wherein, also comprises:
Receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
Above-mentioned load-balancing method, wherein, carries load balancing Radio Resource metered scheme in described request message.
Above-mentioned load-balancing method, wherein, also comprises:
Add up the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
Above-mentioned load-balancing method, wherein, also comprises:
Judgement belongs to described second operator, needs the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtains a judged result;
Described second operator is belonged in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field.
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
Above-mentioned load-balancing method, wherein, the community selection strategy corresponding according to the first operator selects at least one community as in the step of Target cell from the adjacent cell of described cell-of-origin, selects described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.
Above-mentioned load-balancing method, wherein, the community selection strategy corresponding according to the first operator selects at least one community as in the step of Target cell from the adjacent cell of described cell-of-origin, and prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
To achieve these goals, the embodiment of the present invention additionally provides a kind of load-balancing method, and for a target BS, described target BS is at least shared by the first operator and the second operator, and described load-balancing method specifically comprises:
The Target cell of request under described target BS receiving source base station transmission utilizes the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Judging whether to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin with being intended to described Target cell, obtaining a judged result;
Judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
Above-mentioned load-balancing method, wherein, also comprises:
By under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
Above-mentioned load-balancing method, wherein, also comprises:
Add up the quantity of the second load balancing terminal;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
Above-mentioned load-balancing method, wherein, also comprises:
Receive the handover request message that source base station sends, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
Belong to described second operator in described judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the quantity of the first load balancing terminal is added 1.
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
To achieve these goals, the embodiment of the present invention additionally provides a kind of load balancing apparatus, and for a source base station, described source base station is at least shared by the first operator and the second operator, and described load balancing apparatus specifically comprises:
Select module, during for needing in the first operator to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Sending module, for sending the first request message to described target BS, asks to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin in described Target cell.
Above-mentioned load balancing apparatus, wherein, also comprises:
First parameter update module, for receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
Above-mentioned load balancing apparatus, wherein, carries load balancing Radio Resource metered scheme in described request message.
Above-mentioned load balancing apparatus, wherein, carries load balancing Radio Resource metered scheme in described request message.
Above-mentioned load balancing apparatus, wherein, also comprises:
First statistical module, for adding up the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Judge module, for judging to belong to described second operator, needing the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtaining a judged result;
Indicating module, for belonging to described second operator in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field.
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
Above-mentioned load balancing apparatus, wherein, described selection module is specifically for selecting described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.
Above-mentioned load balancing apparatus, wherein, described selection module prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
To achieve these goals, the embodiment of the present invention additionally provides a kind of load balancing apparatus, and for a target BS, described target BS is at least shared by the first operator and the second operator, and described load balancing apparatus specifically comprises:
First receiver module, the Target cell of request under described target BS sent for receiving source base station utilizes the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Judge module, utilizing the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin for judging whether with being intended to described Target cell, obtaining a judged result;
Respond module, for judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second parameter update module, for by under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second statistical module, for adding up the quantity of the second load balancing terminal;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second receiver module, for receiving the handover request message that source base station sends, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
3rd statistical module, for belong to described second operator in the instruction of described judged result, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, adds 1 by the quantity of the first load balancing terminal.
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
In the load-balancing method of the embodiment of the present invention and device, come select target community by the operator initiating load balancing, avoid the problem that existing network shares the load balancing direction difference that load-balancing technique under scene brings.
Accompanying drawing explanation
Fig. 1 represents the configuration diagram that network is shared;
Fig. 2 represents the scene schematic diagram for illustration of load balancing direction difference;
Fig. 3 represents the schematic flow sheet of load-balancing method at originating end of the embodiment of the present invention;
Fig. 4 represents the schematic flow sheet of load-balancing method at receiving terminal of the embodiment of the present invention;
Embodiment
In the load-balancing method of the embodiment of the present invention and device, come select target community by the operator initiating load balancing, avoid the problem that existing network shares the load balancing direction difference that load-balancing technique under scene brings.
Before the embodiment of the present invention is described in detail, first some concepts that the embodiment of the present invention relates to are described, so that better understand the embodiment of the present invention.
Source base station
In the specific embodiment of the invention, definition source base station is: because a variety of causes such as network congestion cause needing to carry out load balancing, move out of the base station of certain customers, namely initiate the base station of load balancing.
Target BS
In the specific embodiment of the invention, objective definition base station is: the base station receiving the user that to be moved out by source base station in load balancing process.Target BS can be one, also can be multiple.
Cell-of-origin
In the specific embodiment of the invention, definition cell-of-origin is: belong to source base station, because a variety of causes such as network congestion cause needing to carry out load balancing, move out of the community of certain customers.
Target cell
In the specific embodiment of the invention, objective definition community is: the community receiving the user that to be moved out by community in a steady stream in load balancing process.Target cell can be one, also can be multiple.
Load balancing user
In the specific embodiment of the invention, definition load balancing user is: the side accepting load balancing requests, due to the user being moved to Target cell by cell-of-origin that load balancing operation causes, and cannot be switched to the user of cell-of-origin by Target cell.
Cell merge parameter
In the specific embodiment of the invention, definition cell merge parameter is: in load balancing process, can control all kinds of parameters that user carries out cell merge.
The load-balancing method of the embodiment of the present invention is used for a source base station, and described source base station is at least shared by the first operator and the second operator, it is characterized in that, as shown in Figure 3, described load-balancing method specifically comprises:
Step 301, when the first operator needs to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Step 302, sends the first request message to described target BS, asks to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin in described Target cell.
And from the target BS at least shared by the first operator and the second operator, above-mentioned load-balancing method, as shown in Figure 4, specifically comprises:
Step 401, the Target cell of request under described target BS receiving source base station transmission utilizes the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Step 402, judging whether to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin with being intended to described Target cell, obtaining a judged result;
Step 403, judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
In the load-balancing method of the embodiment of the present invention and device, come select target community by the operator initiating load balancing, avoid the problem that existing network shares the load balancing direction difference that load-balancing technique under scene brings.
Meanwhile, in a particular embodiment of the present invention, the determination in load balancing direction carrys out decision-making by the operator initiating load balancing, determines that the power to make decision whether accepting load balancing requests is then at load balancing reciever.
Should be understood that, the scheme of the embodiment of the present invention is not only applicable to the situation that cell-of-origin and Target cell belong to different base station, also be applicable to the situation that cell-of-origin and Target cell belong to same base station simultaneously, now, the difference belonging to the situation of different base station with cell-of-origin and Target cell is, source base station and target BS are a base station, all requests and response all circulate at inside of base station, other are all identical, and the situation all belonging to different base station for cell-of-origin and Target cell is below described in detail.
Composition graphs 2 is described as follows, and when operator A needs to initiate load balancing in the cell-of-origin 1 of described source base station, then can from the adjacent cell of cell-of-origin 1 (community 2 and 3), select at least one community as Target cell.
Community 2 can be selected as operator A, or select community 3, still simultaneously select community 2 and 3, depend on the community selection strategy that operator A is arranged, these strategies are various, after will illustrate.But it should be noted that in the embodiment of the present invention at this, determine and initiate the right that the operator of load balancing determines strategy, but specifically do not limit operator and adopt which kind of strategy.Due in the embodiment of the present invention, the selection of Target cell is determined, because this eliminating the difference of operator A and B on equilibrium direction by the operator initiating load balancing.
After operator B receives this load balancing requests, whether can agree to provide load balancing according to certain strategy decision, and notification payload balancing requests side, composition graphs 2 illustrates as follows.
When operator B to predict according to certain prediction algorithm in Target cell follow-up by needs for a large amount of increment users provides communication service (as there is school in the coverage of community 3, and will classes are over after 10 minutes, show according to historical data, the load of community 3 will sharply increase after school) time, then this load balancing requests may be refused by operator.Certainly, when operator B thinks that the resource of self residual is enough to tackle the communication increased rapidly at hand, this load balancing requests will be agreed to.
Certainly, above is only operator B illustrating the strategy whether load balancing requests accepts, and the specific embodiment of the invention does not limit the strategy whether load balancing requests accepts.
When the consensus decision of both sides assists to carry out load balancing jointly, then need to carry out certain operation separately, to guarantee carrying out smoothly of load balancing.
For load balancing, for Fig. 2, need to perform following operation:
1, for cell-of-origin (community 1), operator B needs certain customers to move to other community from community 1, is assumed to community 2 at this;
2 and for Target cell (community 2), operator B needs to ensure that user can not be switched to community 1 more as far as possible, otherwise load balancing can be caused to lose efficacy.
Therefore, when the consensus decision of both sides assists to carry out load balancing jointly, at source base station end, need receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
The object of aforesaid operations is to make some those user that can not be switched to Target cell to be originally switched to Target cell due to the renewal of cell merge parameter, thus provides corresponding Radio Resource for the first operator.
And at target BS end, when being intended to together described Target cell and assisting described first operator to carry out load balancing to described cell-of-origin, then need under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
The object of aforesaid operations is that those users ensureing Target cell as far as possible can not be switched to cell-of-origin, to guarantee carrying out smoothly of load balancing.
The renewal of the cell merge parameter in above-mentioned mobile communication terminal can be performed by RRC signaling, and this cell merge parameter can be community individual character deviant CellIndividualOffset.
How specifically to control user and belong to prior art in the switching of minizone, be not described in further detail at this.
In a particular embodiment of the present invention, once there is load balancing, will exist between operators Radio Resource " leasing ", and this Radio Resource " leasing " needs certain metered scheme to guarantee to settle accounts between operator.
In a particular embodiment of the present invention, possible Radio Resource metered scheme includes but not limited to following two kinds:
The Radio Resource (requesting party will pay higher expense) of load balancing CU cooperation side;
The Radio Resource (requesting party will pay lower expense) of load balancing CU requesting party.
For convenience of the decision-making of cooperation side, and/or final charging, when Radio Resource metered scheme exists multiple, load balancing Radio Resource metered scheme can be carried in described request message.
For above-mentioned Radio Resource metered scheme, Radio Resource metered scheme can use one or more bits to indicate, and different numerical value represents specific Radio Resource metered scheme, and such as scheme 1 represents with 0, and scheme 2 represents with 1.Can certainly use Bitmap mode, such as scheme 1 represents with 10, and scheme 2 represents with 01.And for using the resource of which operator, then can use PLMN(Public Land Mobile Network, public land mobile network) ID represents.
In the first operator, determine consistent with the second operator negotiation assists to carry out load balancing jointly, and after adjusting respective cell merge parameter, just enters user's transition process of load balancing.Clearing between conveniently follow-up charging and operator, in a particular embodiment of the present invention, need the quantity of adding up load balancing terminal.
In a particular embodiment of the present invention, load balancing terminal comprises: the first load balancing terminal and the second load balancing terminal.
First load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
That is, before adjustment cell merge parameter, the first load balancing terminal can't be switched in Target cell goes, and after adjustment cell merge parameter, the first load balancing terminal can be gone because the adjustment of cell merge parameter is switched in Target cell.
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
That is, before adjustment cell merge parameter, the second load balancing terminal can be switched in cell-of-origin goes, and after adjustment cell merge parameter, the second load balancing terminal can not be switched in cell-of-origin goes.
In a particular embodiment of the present invention, the first load balancing terminal and the second load balancing terminal can be added up by different modes, are described as follows.
< statistical one >
In statistical one, the first load balancing terminal and the second load balancing terminal are added up by source base station and target BS respectively.
Under this mode, at source base station end, added up the quantity of the first load balancing terminal by source base station;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
And at target BS end, added up the quantity of the second load balancing terminal by target BS;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
Certainly, a statistics gathered finally is had.
< statistical two >
In statistical one, the first load balancing terminal and the second load balancing terminal are added up by target BS.
Under this mode, at source base station end, need to judge to belong to described second operator, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
Described second operator is belonged in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field.
And at target BS end, after receiving the handover request message of source base station transmission, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
Belong to described second operator in described judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the quantity of the first load balancing terminal is added 1.
Above-mentioned type indication field can be the new field introduced, and also can use spare field reserved in existing IE.
And the statistics of the second load balancing terminal is identical with statistical one, do not do repeated description at this.
Mention, the community selection strategy of the embodiment of the present invention can be the strategy of various selection before, as:
For Fig. 2, assuming that at subsequent time period, prediction has a large amount of burst communications, now, although operator A has surplus resources in community 3, but the surplus resources of community 3 entirety is not sufficient to tackle above-mentioned burst communication, and the surplus resources of community 2 entirety can tackle above-mentioned burst communication, then operator A can select community 2 as Target cell.
Assuming that operator A considers cost factor, then should pay the utmost attention to those communities self having surplus resources, in this case, operator A can select community 3 as Target cell.
Under this strategy, the above-mentioned community selection strategy corresponding according to the first operator selects at least one community as in the step of Target cell from the adjacent cell of described cell-of-origin, selects described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.And a kind of relatively preferably mode is: prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
This community selection strategy can make full use of the Radio Resource of operator self, reduces the cost that load balancing is brought.
Should be understood that, the scheme of the embodiment of the present invention is shared as by Liang Ge operator the explanation that example carries out with target BS and source base station, but this target BS and source base station also can be shared by the operator of 3 or more, but concrete realization, is not repeated from any Liang Ge load balancing operator being all the same.
To achieve these goals, the embodiment of the present invention additionally provides a kind of load balancing apparatus, and for a source base station, described source base station is at least shared by the first operator and the second operator, and described load balancing apparatus specifically comprises:
Select module, during for needing in the first operator to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Sending module, for sending the first request message to described target BS, asks to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin in described Target cell.
Above-mentioned load balancing apparatus, wherein, also comprises:
First parameter update module, for receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
Above-mentioned load balancing apparatus, wherein, carries load balancing Radio Resource metered scheme in described request message.
Above-mentioned load balancing apparatus, wherein, carries load balancing Radio Resource metered scheme in described request message.
Above-mentioned load balancing apparatus, wherein, also comprises:
First statistical module, for adding up the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Judge module, for judging to belong to described second operator, needing the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtaining a judged result;
Indicating module, for belonging to described second operator in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field.
Above-mentioned load balancing apparatus, wherein, described selection module is specifically for selecting described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.
Above-mentioned load balancing apparatus, wherein, described selection module prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
To achieve these goals, the embodiment of the present invention additionally provides a kind of load balancing apparatus, and for a target BS, described target BS is at least shared by the first operator and the second operator, and described load balancing apparatus specifically comprises:
First receiver module, the Target cell of request under described target BS sent for receiving source base station utilizes the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Judge module, utilizing the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin for judging whether with being intended to described Target cell, obtaining a judged result;
Respond module, for judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second parameter update module, for by under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second statistical module, for adding up the quantity of the second load balancing terminal;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
Above-mentioned load balancing apparatus, wherein, also comprises:
Second receiver module, for receiving the handover request message that source base station sends, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
3rd statistical module, for belong to described second operator in the instruction of described judged result, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, adds 1 by the quantity of the first load balancing terminal.
The above is only embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (22)
1. a load-balancing method, for a source base station, described source base station is at least shared by the first operator and the second operator, it is characterized in that, described load-balancing method specifically comprises:
When the first operator needs to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Send the first request message to described target BS, ask to utilize in described Target cell the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin.
2. load-balancing method according to claim 1, is characterized in that, also comprises:
Receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
3. load-balancing method according to claim 2, is characterized in that, carries load balancing Radio Resource metered scheme in described request message.
4. load-balancing method according to claim 2, is characterized in that, also comprises:
Add up the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
5. load-balancing method according to claim 2, is characterized in that, also comprises:
Judgement belongs to described second operator, needs the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtains a judged result;
Described second operator is belonged in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
6. according to the load-balancing method in claim 1-5 described in any one, it is characterized in that, the community selection strategy corresponding according to the first operator selects at least one community as in the step of Target cell from the adjacent cell of described cell-of-origin, selects described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.
7. load-balancing method according to claim 6, it is characterized in that, the community selection strategy corresponding according to the first operator selects at least one community as in the step of Target cell from the adjacent cell of described cell-of-origin, and prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
8. a load-balancing method, for a target BS, described target BS is at least shared by the first operator and the second operator, it is characterized in that, described load-balancing method specifically comprises:
Reception source base station sends, and asks the Target cell under described target BS to utilize the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Judging whether to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin with being intended to described Target cell, obtaining a judged result;
Judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
9. load-balancing method according to claim 8, is characterized in that, also comprises:
By under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
10. load-balancing method according to claim 9, is characterized in that, also comprises:
Add up the quantity of the second load balancing terminal;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
11. load-balancing methods according to claim 10, is characterized in that, also comprise:
Receive the handover request message that source base station sends, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
Belong to described second operator in described judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the quantity of the first load balancing terminal is added 1;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
12. 1 kinds of load balancing apparatus, for a source base station, described source base station is at least shared by the first operator and the second operator, it is characterized in that, described load balancing apparatus specifically comprises:
Select module, during for needing in the first operator to initiate load balancing in the cell-of-origin of described source base station, the community selection strategy corresponding according to the first operator selects at least one community as Target cell from the adjacent cell of described cell-of-origin; Target BS corresponding to described Target cell is at least shared by described first operator and the second operator;
Sending module, for sending the first request message to described target BS, asks to utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin in described Target cell.
13. load balancing apparatus according to claim 12, is characterized in that, also comprise:
First parameter update module, for receiving instruction that described target BS returns with being intended to after described Target cell utilizes the resource of the second operator to assist described first operator described cell-of-origin to be carried out to the first request response of load balancing, the first cell merge parameter corresponding to described Target cell belonged under described cell-of-origin in the mobile communication terminal of described second operator is updated to the second cell merge parameter.
14. load balancing apparatus according to claim 12, is characterized in that, carry load balancing Radio Resource metered scheme in described request message.
15. load balancing apparatus according to claim 13, is characterized in that, also comprise:
First statistical module, for adding up the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
16. load balancing apparatus according to claim 13, is characterized in that, also comprise:
Judge module, for judging to belong to described second operator, needing the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtaining a judged result;
Indicating module, for belonging to described second operator in judged result instruction, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, the mobile communication terminal switched by the type indication field instruction in the handover request message that sends to described target BS belongs to the first load balancing terminal, makes described target BS can add up the quantity of the first load balancing terminal according to described type indication field;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
17., according to the load balancing apparatus in claim 12-16 described in any one, is characterized in that, described selection module is specifically for selecting described Target cell according to allocating in advance of described adjacent cell to the residue situation of the Radio Resource of described first operator.
18. load balancing apparatus according to claim 17, is characterized in that, described selection module prioritizing selection is allocated in advance exists remaining community to the Radio Resource of described first operator.
19. 1 kinds of load balancing apparatus, for a target BS, described target BS is at least shared by the first operator and the second operator, it is characterized in that, described load balancing apparatus specifically comprises:
First receiver module, the Target cell of request under described target BS sent for receiving source base station utilizes the resource of the second operator to assist described first operator one cell-of-origin to be carried out to the first request message of load balancing; Described Target cell is selected to obtain from the adjacent cell of described cell-of-origin by the community selection strategy that described source base station is corresponding according to the first operator;
Judge module, utilizing the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin for judging whether with being intended to described Target cell, obtaining a judged result;
Respond module, for judged result instruction be intended to described Target cell utilize the resource of the second operator to assist described first operator to carry out load balancing to described cell-of-origin time, return instruction to described source base station and agree to carry out the first request response of load balancing.
20. load balancing apparatus according to claim 19, is characterized in that, also comprise:
Second parameter update module, for by under described Target cell, the 3rd cell merge parameter corresponding to described cell-of-origin belonged in the mobile communication terminal of described second operator is updated to the 4th cell merge parameter.
21. load balancing apparatus according to claim 20, is characterized in that, also comprise:
Second statistical module, for adding up the quantity of the second load balancing terminal;
Described second load balancing terminal is: be retained in and belong in the mobile communication terminal of described second operator in described Target cell, meet the cell merge condition that the 3rd cell merge parameter is corresponding, but do not meet the terminal of cell merge condition corresponding to the 4th cell merge parameter.
22. load balancing apparatus according to claim 21, is characterized in that, also comprise:
Second receiver module, for receiving the handover request message that source base station sends, judge to belong to described second operator according to the type indication field in described handover request message, need the mobile communication terminal being switched to described Target cell from described cell-of-origin whether to belong to the first load balancing terminal, obtain a judged result;
3rd statistical module, for belong to described second operator in the instruction of described judged result, when needing the mobile communication terminal being switched to described Target cell from described cell-of-origin to belong to the first load balancing terminal, adds 1 by the quantity of the first load balancing terminal;
Described first load balancing terminal is: what be switched to described Target cell from described cell-of-origin belongs to the mobile communication terminal of described second operator, does not meet the terminal of cell merge condition corresponding to the first cell merge parameter.
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| CN109041092A (en) * | 2017-06-12 | 2018-12-18 | 华为技术有限公司 | network resource allocation method and network controller |
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