CN100396145C - Optimal distributing method for base station up-link resource - Google Patents
Optimal distributing method for base station up-link resource Download PDFInfo
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- CN100396145C CN100396145C CNB2004100486514A CN200410048651A CN100396145C CN 100396145 C CN100396145 C CN 100396145C CN B2004100486514 A CNB2004100486514 A CN B2004100486514A CN 200410048651 A CN200410048651 A CN 200410048651A CN 100396145 C CN100396145 C CN 100396145C
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Abstract
The present invention belongs to the field of communication and discloses an optimal distribution method for uplink resources of a base station. The method avoids the defect of the incapability of establishing great data services under a certain specific condition existing in an idlest allocation strategy in an idlest uplink board among uplink boards; the method also avoids the defects of the incapability of reallocating the great data services or softer merger under a certain specific condition existing in a busiest allocation strategy in an idlest uplink board among uplink boards. The optimal distribution method for the uplink resources of a base station judges whether resources of a demodulation module are sufficient to be assigned to a current service or not, if the resources are sufficient, then the resources is assigned to the current service, else the step E is executed. Step E, whether the current service is the softer merger or a reallocation service or not is judged, if the current service is the softer merger or a reallocation service, then the step F is executed, else the step G is executed. Step F, a channel of the current service is moved to another demodulation module with sufficient resources. Step G, whether a demodulation module with multiple resource use times exists in the uplink processing boards or not is judged, if the demodulation module exists, then the procedure is returned to the step D, else resource allocation is failed.
Description
Technical field
The present invention relates to the communications field, particularly base station resource distribution technique in the Wideband Code Division Multiple Access (WCDMA) (Wideband Code DivisionMultiple Access is called for short " WCDMA ").
Background technology
As the whole world three big 3G (Third Generation) Moblie (3rd Generation, abbreviation " 3G ") the WCDMA technology of one of standard, inherited second generation mobile communication system global system for mobile communications (GlobalSystem for mobile Communication, be called for short " GSM ") the high and open good characteristics of standardization level, standardization make good progress.The WCDMA system fully takes into account the problem that carries out the transition to the third generation from the second generation, can realize GSM to the seamlessly transitting of 3G, and gsm system has overwhelming superiority in global mobile communication market, so WCDMA becomes main flow probably in the three big 3G standards of the whole world.
In the WCDMA technical system, usually also universal mobile telecommunications system (Universal MobileTelecommunications System, abbreviation " UMTS ") is called the WCDMA communication system, whole UMTS is by land radio access web (UMTS Terrestrial Radio Access Network, abbreviation " UTRAN "), core network (Core Network, be called for short " CN ") and subscriber equipment (UserEquipment is called for short " UE ") formation.UTRAN is the important component part of UMTS, comprises base station (Node B) and radio network controller (Radio Network Controller is called for short " RNC ").
Node B provides physical resource for RNC.In order to satisfy the needs of setting up miscellaneous service, NodeB has the strategy and the method for a cover management Node B resource.The uplink demodulation module of Node B is provided by uplink interface board, need to prove, up implication is the mobile subscriber terminal emission, the up link that Node B receives; Uplink interface board is the uplink processing plate.Node B has a plurality of uplink interface boards, and a uplink interface board has 4 demodulation modules.
The ascending resource of Node B as shown in Figure 1, uplink interface board 10 and uplink interface board 11 are represented a plurality of ascending resources of Node B management, have only drawn two uplink interface boards here as example.Demodulation module 101, demodulation module 102, demodulation module 103, demodulation module 104 are 4 demodulation modules that comprise on the uplink interface board 10; Demodulation module 111, demodulation module 112, demodulation module 113, demodulation module 114 are 4 demodulation modules that comprise on the uplink interface board 11.
Existing management strategy for the uplink demodulation module has two kinds: the one, and the notst busy allocation strategy in the notst busy uplink interface board between uplink interface board; The 2nd, the busiest allocation strategy in the notst busy uplink interface board between uplink interface board.This two kinds of management strategies are described respectively below.
Existing a kind of management strategy for the uplink demodulation module resource is the notst busy allocation strategy in the notst busy uplink interface board between uplink interface board.
Between uplink interface board in the notst busy uplink interface board the notst busy allocation strategy principle be NodeB resource management module (Resource Management, be called for short " RM ") find a uplink interface board the most idle during distributing user earlier, in this piece uplink interface board, look for the most idle demodulation module then, the user is distributed on this demodulation module.
Can analyze it according to the notst busy allocation strategy principle in the notst busy uplink interface board between uplink interface board and have apparent in view shortcoming, promptly can't set up big data service under given conditions.
For instance, at first suppose the ability that a demodulation module provides at 32, a voice user takies 1 ability value, and a 384K data service takies 16 ability values.
The condition that next is constructed as follows: the notst busy uplink interface board is a uplink interface board 10 among Fig. 1, uplink interface board 10 each demodulation module, be that 17 voice users are now respectively arranged on demodulation module 101, demodulation module 102, demodulation module 103, the demodulation module 104, promptly each is left ability value of 15.
If this moment, the user need set up the 384K data service on certain demodulation module on the uplink interface board 10, promptly need certain demodulation module on the uplink interface board 10 that 16 ability values can be provided, but each ability value of remaining 15 on demodulation module 101, demodulation module 102, demodulation module 103, the demodulation module 104, surplus capacity value on each independent demodulation module all is lower than a 384K data service and takies 16 ability values, so all can't set up a 384K data service.
And uplink interface board 10 remaining total capacities were counted and were this moment: 15 * 4=60 point.The data service that can't set up a 384K under the situation of also surplus 60 an of uplink interface board, the user is unacceptable.
Existing another management strategy for the uplink demodulation module is the busiest allocation strategy in the notst busy uplink interface board between uplink interface board.
Find a uplink interface board the most idle when the busiest allocation strategy principle is distributing user in the notst busy uplink interface board between uplink interface board earlier, in this piece uplink interface board, look for the busiest demodulation module then, the user is distributed on this demodulation module.Need to prove that the busiest module is not comprise the demodulation module of having operated at full capacity, do not comprise that promptly surplus capacity value on it is 0 demodulation module.
Also can analyze it according to the busiest allocation strategy principle in the notst busy uplink interface board between uplink interface board and have apparent in view shortcoming, promptly under given conditions can't reprovision to big data service or carry out softer merging, those of ordinary skill in the art know, in fact softer merging is exactly More Soft Handoff, refer to the soft handover between the co-frequency cell in the NodeB, among the same NodeB, when the needs More Soft Handoff, merging need be finished in a demodulation module from several professional same link of the same UE transmission of several co-frequency cells.Also illustrate below under given conditions and can't arrive the situation of big data service by reprovision.
Suppose the ability that a demodulation module provides at 32 at first equally, a voice user takies 1 ability value, and a 384K data service takies 16 ability values.
The condition that is constructed as follows then: the notst busy uplink interface board is a uplink interface board 10, have only on the uplink interface board 10 18 voice users are arranged on first demodulation module, be that 18 voice users are arranged on the demodulation module 101, it is the busiest, and other 3 demodulation modules are that demodulation module 102, demodulation module 103, demodulation module 104 are idle.The surplus capacity value of demodulation module 101 is 32-18=14 so, and demodulation module 102, demodulation module 103, demodulation module 104 surplus capacity values respectively are 32.
Certain voice user's reprovision on the demodulation module 101 to be become the 384K business now, promptly this speech business is become the data service of 384K, because the ability that needs is counted and has been exceeded the ability value capacity of 32 of single demodulation modules for 18-1+16=33, so can't the reprovision success.
And uplink interface board 10 remaining total capacity values were counted and were this moment: 32 * 3+14=110 point.Can't set up the data service that need take the 384K of 16 ability values under the situation of also surplus 110 an of uplink interface board, the user is unacceptable especially.
Further illustrate the situation that to carry out softer merging under given conditions below.
Suppose the ability that a demodulation module provides at 32 at first equally, a voice user takies 1 ability value.
The condition that is constructed as follows then: the notst busy uplink interface board is a uplink interface board 10, have only on the uplink interface board 10 31 voice users are arranged on first demodulation module, be that 31 voice users are arranged on the demodulation module 101, it is the busiest, and other 3 demodulation modules are that demodulation module 102, demodulation module 103, demodulation module 104 are idle.The surplus capacity value of demodulation module 101 is 32-31=1 so, and mode transfer piece 102, demodulation module 103, demodulation module 104 surplus capacity values respectively are 32.
Will take 1 ability value certain voice user of the increase on the demodulation module 101 now, the surplus capacity value is 0 on the demodulation module 101 at this moment.And the voice user that this increases newly needs to carry out More Soft Handoff, it is the overlay region that UE just in time is in two co-frequency cells of Node B, the demodulation module 101 of uplink interface board 10 receives the professional identical up link from the same UE of these two co-frequency cells among the Node B, need carry out softer merging, because this voice user is always on demodulation module 101, so also can only finish at demodulation module 101 to the softer merging of this user's up link, obviously demodulation module need be given another uplink allocation resource of this voice user 101 this moments, promptly need 1 ability value, but this moment, because the ability that needs is counted and has been exceeded the ability value capacity of 32 of single demodulation modules for 31+1+1=33, so can't the More Soft Handoff success.
And uplink interface board 10 remaining total capacity values were counted and were this moment: 32 * 3=96 point.Can't finish need and take 1 ability value More Soft Handoff under the situation of also surplus 96 an of uplink interface board, that yes is unacceptable for the user.
Summary of the invention
In view of this, main purpose of the present invention is to provide the optimized distribution method of a kind of base station ascending resource, has avoided the shortcoming that can't set up big data service under given conditions that the notst busy allocation strategy exists in the notst busy uplink interface board between uplink interface board; Avoided also between uplink interface board that the busiest allocation strategy exists in the notst busy uplink interface board under given conditions can't reprovision to the big data service or the shortcoming of carrying out softer merging.
For achieving the above object, the invention provides the optimized distribution method of a kind of base station ascending resource, comprise following steps:
A judges the method for salary distribution of ascending resource, when setting up professional Radio Link, enters step B1; When softer merging or reprovision business takes place, enter step C;
B1 finds the minimum up disposable plates of user, and judges whether the slack resources of this up disposable plates is enough, if, then enter step B2, otherwise, search the maximum up disposable plates of slack resources, and enter step B2;
B2 searches the maximum demodulation module of resource use in this up disposable plates, and enters step D;
C searches the demodulation module at the link place of softer merging reference link or reprovision business, and enters step D;
D judges whether the resource of demodulation module enough distributes to current business, if then be described current business Resources allocation; Otherwise enter step e;
E judges whether described current business is softer merging or reprovision business, if, then enter step F, otherwise, step G entered;
F moves the enough demodulation modules of other resources with the channel of described current business, if move the then resource allocation failure inadequately of target demodulation module resource;
G judges whether exist resource to use time many demodulation modules in the up disposable plates, if, then return step D, otherwise the resource allocation failure.
Wherein, the channel in the described step F is moved and is also comprised following substep:
F1 base station application part protocol special module first demodulation module at professional place before channel is moved obtains link parameter;
F2 sets up channel according to the described link parameter that obtains on second demodulation module of moving target as channel;
F3 sets up special measurement on described second demodulation module;
F4 stops the special measurement on described first demodulation module;
F5 deletes the channel on described first demodulation module.
Among the described step D,, judge whether the resource of demodulation module enough distributes to current business according to the resource of required increase in new business resource requirement or softer merging and the reprovision business.
In described step F, the channel of described current business is moved the busiest demodulation module in the enough demodulation modules of resource.
The present invention also provides the optimized distribution method of a kind of base station ascending resource, comprises following steps:
A judges the method for salary distribution of ascending resource, when setting up professional Radio Link, enters step B1; When softer merging or reprovision business takes place, enter step C;
B1 finds the minimum up disposable plates of user, and judges whether the slack resources of this up disposable plates is enough, if, then enter step B2, otherwise, search the maximum up disposable plates of slack resources, and enter step B2;
B2 searches the maximum demodulation module of resource use in this up disposable plates, and enters step M;
C searches the demodulation module at the link place of softer merging reference link or reprovision business, and enters step M;
M judges whether the resource of demodulation module enough distributes to current business, if then be described current business Resources allocation; Otherwise enter step N;
N judges whether described current business is softer merging or reprovision business, if, then enter step O, otherwise, step P entered;
O moves the enough demodulation modules of other resources with other the professional channels in the described demodulation module, and give described current business with the resource allocation in the described demodulation module, if move resource then resource allocation failure inadequately in target demodulation module or the described demodulation demodulation module;
P judges whether exist resource to use time many demodulation modules in the up disposable plates, if, then return step M, otherwise the resource allocation failure.
Wherein, described method is used for the WCDMA system.
By relatively finding, technical scheme difference with the prior art of the present invention is, when distributing user, at first select a uplink interface board the notst busy, in this plate, select the busiest demodulation module then, certain user on demodulation module to big data service, or causes when needing softer merging the demodulation module ability to be counted when not enough from the professional reprovision of small data, with this channel move another piece have enough abilities count and inferior busy demodulation module on.On the other hand, when setting up, can distribute Radio Link the user, and identical for guaranteeing the process number on each up disposable plates, therefore take the notst busy principle distributing user.Simultaneously for reducing communication between plates, during Resources allocation consumer process and resource allocation are arrived same up disposable plates, when if the resource on the up disposable plates at consumer process place is not enough, take the notst busy principle in other up disposable plates Resources allocation, promptly adopt the notst busy resource allocation principle under the prerequisite that reduces communication between plates, the busiest principle is then taked in the distribution of demodulation resource in the plate.
Difference on this technical scheme, brought comparatively significantly beneficial effect, promptly overcome in the existing base station resource distribution technique, though under certain conditions uplink interface board also have a large amount of idle demodulation resources but can't set up or reprovision to the big data service or the problem of carrying out softer merging.
Description of drawings
Fig. 1 is the ascending resource schematic diagram of base station;
Fig. 2 is the schematic flow sheet of the optimized distribution method of base station according to an embodiment of the invention ascending resource;
Fig. 3 is that the channel in the optimized distribution method of base station according to an embodiment of the invention ascending resource is moved schematic flow sheet.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is at the defective of the resource allocation policy of existing two kinds of uplink demodulation resources and propose.Even existing two kinds of resource allocation policies have up under certain conditions disposable plates also have a large amount of idle demodulation resources but can't set up or reprovision to the big data service or the problem of carrying out softer merging, the present invention can avoid such problem.
Central principle of the present invention has provided a kind ofly moves scheme based on the channel on the busiest allocation strategy basis in the notst busy up disposable plates between up disposable plates.Describe the principle of this aspect in detail below in conjunction with Fig. 1.
Select up disposable plates the notst busy in the ascending resource in the Node B during this scheme distributing user earlier, suppose that up disposable plates 11 is the notst busy up disposable plates, in this plate, select the busiest demodulation module then, suppose that demodulation module 111 is the busiest demodulation modules in the up disposable plates 11, when causing the demodulation module ability from the professional reprovision of small data to big data service or when needing softer merging, certain user on the demodulation module 111 counts when not enough, with this channel move another piece have enough abilities count and inferior busy demodulation module on, suppose that satisfactory time busy demodulation module is 114.Need to prove that inferior busy demodulation module and the demodulation module that need move all are in the same up disposable plates, as shown in Figure 1, demodulation module 111 and demodulation module 114 are all in up disposable plates 11.
Below in conjunction with Fig. 2, specify the flow process that Radio Link is set up Resources allocation.
Need to prove that no matter be that common new Radio Link is set up, or Radio Link increases and reprovision distributes, and all needs to set up new Radio Link, sets up the flow chart at the different situations Resources allocation so Fig. 2 is Radio Link generally.
As shown in Figure 2, at first, in step 2000, judge that the ascending resource that carries out which kind of mode distributes, promptly be newly to set up a new common Radio Link, the reference link that still need newly set up a wireless links and former foundation carries out softer merging or reprovision.If need set up new common Radio Link, then enter step 2100.Otherwise, if softer renewal or reprovision and are entered step 2010.
In step 2010, because judgement is softer merging or the reprovision that need newly set up on the link of a wireless links and former foundation in step 2000, therefore in this step, need find the demodulation module at the link place of softer merging reference link or reprovision, carry out subsequent step then.
In step 2100,, therefore in this step, need promptly to look for the most idle up disposable plates by the minimum up disposable plates of the notst busy principle inquiring user between up disposable plates owing in step 2000, judge it is to set up new common Radio Link.The up disposable plates resource that the user is minimum is distributed, and is identical for guaranteeing each process number on up, therefore takes the notst busy principle distributing user.
Subsequently, enter step 2200, specifically distribute up disposable plates by the notst busy principle between up disposable plates.
Next,, judge whether the up disposable plates resource in user place is enough,, then enter step 2310 if not enough in step 2300; Otherwise enter step 2400.
In step 2310, carry out Radio Link inadequately and set up because in step 2300, judge the up disposable plates resource in user place, so need search once more, search the maximum up disposable plates of resources idle, enter step 2400 after finding again and handle.
In step 2400, owing to judge that in step 2300 user place ascending resource enough carries out Radio Link and sets up, perhaps find the maximum up disposable plates of resources idle again in step 2310, then search the maximum demodulation module of resource use in the plate, promptly the busiest demodulation module according to the busiest allocation strategy in the plate.
Then, carry out the judgement of step 2500, promptly judge according to new link connection, softer merging or reprovision whether the demodulation module resource is enough.If enough, then enter step 2510; Otherwise, enter step 2600 and carry out new judgement.
In step 2510, enough finish the operation of new link connection, softer merging or reprovision owing in step 2500, judge the demodulation module resource, then carry out the distribution of resource in this step.
In step 2600, finish the operation of new link connection, softer merging or reprovision inadequately owing in step 2500, judge the demodulation module resource, so judge in this step whether ascending resource distributes is softer merging or reprovision, if then enter step 2610; If not, then enter step 2700.
In step 2610, because by step 2500 and step 2600, judge that resource in the former demodulation module finishes the operation of softer merging or reprovision inadequately, will set up new Radio Link this moment can not simply set up on the inferior busy demodulation module in plate, newly-established Radio Link and reference link merge or the problem of reprovision because relate to, and this newly-established Radio Link and reference link merge or the operation of reprovision can only be carried out in same demodulation module, can not carry out at two intermodules, so needing channel when resource is not enough moves, with the channel that needs in the former demodulation module to move, the reference link of i.e. softer merging or need the link of reprovision to move one to have enough resources to carry out newly-built Radio Link is on the demodulation module of the operation of softer merging reference link or reprovision link.Whether enough what need to carry out this step before channel is moved moves the judgement of target demodulation module resource.If it is enough to move target demodulation module resource, then enter step 2620; Otherwise resource allocation is failed and is finished.
So, carry out channel in step 2620 and move work.The channel of current business is moved the enough demodulation module channels of other resources, and the technology of moving will elaborate later.
And in step 2700, owing to judging in step 2600 is not because softer merging or reprovision need the resource of demodulation module, do not need to merge link, that is to say the common resource that needs demodulation module because setting up new Radio Link, so only need seek time many demodulation modules in the plate, whether promptly judge has resource time many demodulation modules, if having, then come back to step 2500 and judge in the plate; Otherwise resource allocation is failed and is finished.
In a word, when setting up, can distribute Radio Link the user, and identical for guaranteeing each process number on up, therefore take the notst busy principle distributing user.Simultaneously for reducing communication between plates, during Resources allocation consumer process and resource allocation are arrived same up disposable plates, when if the resource on the up disposable plates at consumer process place is not enough, take the notst busy principle in other up disposable plates Resources allocation, promptly adopt the notst busy resource allocation principle under the prerequisite that reduces communication between plates, the busiest principle is then taked in the distribution of demodulation resource in the plate.Increase slightly different with Radio Link foundation for Radio Link: the softer merging during Radio Link is increased or wireless link reconfigured with the reprovision method of allocating resources, Resources allocation in the demodulation module at the link place that will merge reference link or reprovision at first, if resource is not enough, will carries out channel and move.Need to prove that in the flow process of Fig. 2, if softer merging, demodulation module need distribute so increases new link resource needed, this new link promptly is the professional identical up link that the same UE in the adjacent co-frequency cell sends; If reprovision, then the resource that need distribute of demodulation module equals to increase the business behind the reprovision and the difference of former professional resource requirement.
Select a up disposable plates the notst busy when setting up distributing user earlier for Radio Link, in this plate, select the busiest demodulation module then, count when not enough when certain user on the demodulation module causes the demodulation module ability from the professional reprovision of small data to big data service or when needing softer merging, with this channel move another piece have enough abilities count and inferior busy demodulation module on.To the softer merging in the Radio Link increase or wireless link reconfigured, at first Resources allocation in the demodulation module at the link place that will merge reference link or reprovision if resource is not enough, will be carried out channel and move.
Because it is the key technology that the present invention is overcome the defective of prior art that channel is moved, and moves technology so need elaborate channel in conjunction with Fig. 3.
It is that the channel of described current business is moved the enough demodulation modules of other resources that channel is moved, and the demodulation module that other resource is enough is meant the busiest demodulation module in the enough demodulation modules of resource.
At first, in step 300, base station application part agreement (Node B Application Protocol is called for short " NBAP ") special module first demodulation module at professional place before channel is moved obtains link parameter.
Next, carry out step 310, the base station application part protocol special module is set up channel according to the former link parameter that obtains on second demodulation module of moving target as channel;
Then, in step 320, the base station application part protocol special module is set up special measurement on second demodulation module;
Subsequently, the base station application part protocol special module stops the special measurement on first demodulation module;
At last, the base station application part protocol special module is deleted the channel on first demodulation module.
When channel is moved in a word, RM informing base station applying portion protocol special module will need allochthonous DPCH (ULDPCH) to move demodulation module on the up disposable plates of new basis, the base station application part protocol special module is moved action, and deletes channel information in the former demodulation module.Channel is moved and is only removed the channel that need move, does not influence other channel.It is to be that unit moves with the Radio Link collection that channel is moved, i.e. the link set of softer merging is moved certainly simultaneously.The base station application part protocol special module is just deleted original channel after channel is moved successfully.If in moving, find to have set up special measurement on the former channel, the then former measurement of deletion earlier, and then on newly-built channel, rebuild these special measurements.
Need to prove, it can be to move the channel that needs More Soft Handoff or reprovision to the enough new demodulation module of resource that channel is moved, also can be to move other channel to new demodulation module, rather than need the channel of More Soft Handoff or reprovision, by certain selection strategy, such as moving the minimum channel of planar survey this channel is set up, move other channel to the new demodulation module after, just vacateed resource on the demodulation module originally for More Soft Handoff or reprovision operation.
Because key problem in technology point of the present invention is that channel is moved technology, still illustrates below and utilize channel of the present invention to move technology to solve reprovision under some specified conditions to the big data service or the situation of carrying out softer merging in conjunction with Fig. 1.
Solve the situation of reprovision under some specified conditions to big data service.
At first suppose the ability that a demodulation module provides at 32, a voice user takies 1 ability value, and a 384K data service takies 16 ability values.
The condition that is constructed as follows then: the notst busy up disposable plates is up disposable plates 10, having only on the up disposable plates 10 has 18 voice users on first demodulation module, be that 18 voice users are arranged on the demodulation module 101, it is the busiest, and other 3 demodulation modules are that demodulation module 102, demodulation module 103, demodulation module 104 are idle.The surplus capacity value of demodulation module 101 is 32-18=14 so, and demodulation module 102, demodulation module 103, demodulation module 104 surplus capacity values respectively are 32.
Certain voice user's reprovision on the demodulation module 101 to be become the 384K business now, promptly this speech business is become the data service of 384K, because the ability that needs is counted and has been exceeded the ability value capacity of 32 of single demodulation modules for 18-1+16=33, so can't the reprovision success by prior art.
At this moment, utilize channel of the present invention to move technology, if move need reprovision channel to new demodulation module, the physical channel that needs that voice user of reprovision can be moved in this up disposable plates on the busiest and demodulation module that enough resources are arranged, in this up disposable plates, be in the up disposable plates 10, demodulation module 102, demodulation module 103, demodulation module 104 all satisfies, the target that selecting demodulated module 102 is moved as channel, move the back demodulation module 102 on except 1 ability value that voice user who needs reprovision takies, the surplus capacity value is 32-1=31, enough carry out voice user's reprovision and become the professional required ability of 384K to count, be i.e. 1-1+16=16.
If the channel of moving other is to new demodulation module, vacating space carries out the reprovision operation, can move on the demodulation module 101 other voice user so to demodulation module 102, surplus capacity value on the demodulation module 101 is 32-17=15 at this moment, and carry out the ability value of reprovision action need this moment on demodulation module 101 is 17-1+16=32, can carry out the reprovision operation just.
And solve the situation of carrying out softer merging under some specified conditions.
Suppose the ability that a demodulation module provides at 32 at first equally, a voice user takies 1 ability value.
The condition that is constructed as follows then: the notst busy up disposable plates is up disposable plates 10, having only on the up disposable plates 10 has 31 voice users on first demodulation module, be that 31 voice users are arranged on the demodulation module 101, it is the busiest, and other 3 demodulation modules are that demodulation module 102, demodulation module 103, demodulation module 104 are idle.The surplus capacity value of demodulation module 101 is 32-31=1 so, and mode transfer piece 102, demodulation module 103, demodulation module 104 surplus capacity values respectively are 32.
Will take 1 ability value certain voice user of the increase on the demodulation module 101 now, the surplus capacity value is 0 on the demodulation module 101 at this moment.And the voice user that this increases newly needs to carry out More Soft Handoff, it is the overlay region that UE just in time is in two co-frequency cells of Node B, the demodulation module 101 of up disposable plates 10 receives the professional identical up link from the same UE of these two co-frequency cells among the Node B, need carry out softer merging, because this voice user is always on demodulation module 101, so also can only finish at demodulation module 101 to the softer merging of this user's up link, obviously demodulation module need be given another uplink allocation resource of this voice user 101 this moments, promptly need 1 ability value, but this moment, because the ability that needs is counted and has been exceeded the ability value capacity of 32 of single demodulation modules for 31+1+1=33, so can't softlyer merge successfully by prior art.
At this moment, utilize channel of the present invention to move technology, if move need softer merging channel to new demodulation module, that voice user's of the softer merging of needs physical channel can be moved in this up disposable plates on the busiest and demodulation module that enough resources are arranged, in this up disposable plates, be in the up disposable plates 10, demodulation module 102, demodulation module 103, demodulation module 104 all satisfies, the target that selecting demodulated module 102 is moved as channel, move on the demodulation module 102 of back except 1 ability value that voice user of the softer merging of needs takies, the surplus capacity value is 32-1=31, softer merging need be set up a new Radio Link and be taken a physical channel, promptly requires demodulation module to give 1 ability value again.The surplus capacity value is enough carried out softer merging on the demodulation module 102, distribute new link circuit resource after the surplus capacity value also have the 32-1-1=30 point.
If the channel of moving other is to new demodulation module, vacating space carries out softer union operation, can move on the demodulation module 101 other voice user so to demodulation module 102, surplus capacity value on the demodulation module 101 is 32-31=1 at this moment, and the ability value that carries out softer union operation needs this moment on demodulation module 101 is 1, can carry out more soft operation just.
From top elaboration as can be seen, the beneficial effect that technical solution of the present invention is brought, this method has overcome the defective that former resource allocation policy can't be set up big data service under given conditions or can't reprovision maybe can't carry out softer merging to big data service, make the demodulation module distribution of NodeB more reasonable, both can make each up disposable plates load as far as possible separately, demodulation module is fully used.
Though by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that, can do various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (7)
1. the optimized distribution method of a base station ascending resource is characterized in that, comprises following steps:
A judges the method for salary distribution of ascending resource, when setting up professional Radio Link, enters step B1; When softer merging or reprovision business takes place, enter step C;
B1 finds the minimum up disposable plates of user, and judges whether the slack resources of this up disposable plates is enough, if, then enter step B2, otherwise, search the maximum up disposable plates of slack resources, and enter step B2;
B2 searches the maximum demodulation module of resource use in this up disposable plates, and enters step D;
C searches the demodulation module at the link place of softer merging reference link or reprovision business, and enters step D;
D judges whether the resource of demodulation module enough distributes to current business, if then be described current business Resources allocation; Otherwise enter step e;
E judges whether described current business is softer merging or reprovision business, if, then enter step F, otherwise, step G entered;
F moves the enough demodulation modules of other resources with the channel of described current business, if move the then resource allocation failure inadequately of target demodulation module resource;
G judges whether exist resource to use time many demodulation modules in the up disposable plates, if, then return step D, otherwise the resource allocation failure.
2. the optimized distribution method of base station according to claim 1 ascending resource is characterized in that, the channel in the described step F is moved and also comprised following substep:
F1 base station application part protocol special module first demodulation module at professional place before channel is moved obtains link parameter;
F2 sets up channel according to the described link parameter that obtains on second demodulation module of moving target as channel;
F3 sets up special measurement on described second demodulation module;
F4 stops the special measurement on described first demodulation module;
F5 deletes the channel on described first demodulation module.
3. the optimized distribution method of base station according to claim 1 ascending resource, it is characterized in that, among the described step D,, judge whether the resource of demodulation module enough distributes to current business according to the resource of required increase in new business resource requirement or softer merging and the reprovision business.
4. the optimized distribution method of base station according to claim 1 ascending resource is characterized in that, in described step F, the channel of described current business is moved the busiest demodulation module in the enough demodulation modules of resource.
5. according to the optimized distribution method of any described base station ascending resource in the claim 1 to 4, it is characterized in that described method is used for broadband CDMA system.
6. the optimized distribution method of a base station ascending resource is characterized in that, comprises following steps:
A judges the method for salary distribution of ascending resource, when setting up professional Radio Link, enters step B1; When softer merging or reprovision business takes place, enter step C;
B1 finds the minimum up disposable plates of user, and judges whether the slack resources of this up disposable plates is enough, if, then enter step B2, otherwise, search the maximum up disposable plates of slack resources, and enter step B2;
B2 searches the maximum demodulation module of resource use in this up disposable plates, and enters step M;
C searches the demodulation module at the link place of softer merging reference link or reprovision business, and enters step M;
M judges whether the resource of demodulation module enough distributes to current business, if then be described current business Resources allocation; Otherwise enter step N;
N judges whether described current business is softer merging or reprovision business, if, then enter step O, otherwise, step P entered;
O moves the enough demodulation modules of other resources with other the professional channels in the described demodulation module, and give described current business with the resource allocation in the described demodulation module, if move resource then resource allocation failure inadequately in target demodulation module or the described demodulation demodulation module;
P judges whether exist resource to use time many demodulation modules in the up disposable plates, if, then return step M, otherwise the resource allocation failure.
7. the optimized distribution method of base station according to claim 6 ascending resource is characterized in that described method is used for broadband CDMA system.
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| CNB2004100486514A CN100396145C (en) | 2004-06-08 | 2004-06-08 | Optimal distributing method for base station up-link resource |
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| CNB2004100486514A CN100396145C (en) | 2004-06-08 | 2004-06-08 | Optimal distributing method for base station up-link resource |
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| CN100396145C true CN100396145C (en) | 2008-06-18 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326645A (en) * | 1998-10-15 | 2001-12-12 | 艾尔耐特通信公司 | Method for dynamic allocation of wirelss base station DSP resources |
| CN1377151A (en) * | 2001-03-22 | 2002-10-30 | 深圳市中兴通讯股份有限公司 | Resource allocation method on switching for CDMa base station system |
| US20030117989A1 (en) * | 2001-12-24 | 2003-06-26 | Kwang Soon Kim | Demodulating device and method for W-CDMA base station |
| CN1430366A (en) * | 2001-12-29 | 2003-07-16 | 深圳市中兴通讯股份有限公司 | Method and device of continuous channet unit dispatching used in CDMA system |
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2004
- 2004-06-08 CN CNB2004100486514A patent/CN100396145C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326645A (en) * | 1998-10-15 | 2001-12-12 | 艾尔耐特通信公司 | Method for dynamic allocation of wirelss base station DSP resources |
| CN1377151A (en) * | 2001-03-22 | 2002-10-30 | 深圳市中兴通讯股份有限公司 | Resource allocation method on switching for CDMa base station system |
| US20030117989A1 (en) * | 2001-12-24 | 2003-06-26 | Kwang Soon Kim | Demodulating device and method for W-CDMA base station |
| CN1430366A (en) * | 2001-12-29 | 2003-07-16 | 深圳市中兴通讯股份有限公司 | Method and device of continuous channet unit dispatching used in CDMA system |
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| CN1708170A (en) | 2005-12-14 |
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