CN102469592B - Interference coordination method and interference coordination base station - Google Patents

Interference coordination method and interference coordination base station Download PDF

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CN102469592B
CN102469592B CN201010547806.4A CN201010547806A CN102469592B CN 102469592 B CN102469592 B CN 102469592B CN 201010547806 A CN201010547806 A CN 201010547806A CN 102469592 B CN102469592 B CN 102469592B
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edge customer
community
hii
measurement period
information
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CN102469592A (en
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张晓�
王嘉宁
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

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Abstract

The invention relates to an interference coordination method and an interference coordination base station. The method comprises the steps that: the base station groups all edge users in a region according to the target neighborhood region information reported by the edge users in the region, and the edge users choosing the same target neighborhood region are grouped together; the RB value of each group of the edge users in the region within a pre-determined counting period is counted; the HII information of the region corresponding to different target neighborhood regions is generated based on a pre-determined edge user region exclusive resource range and the RB values of all groups of the edge users in the region, and is sent to the corresponding target neighborhood region; and the HII information of neighborhood region base stations is received, and the resource allocation is carried out to the edge users according to the received HII information and an interference threshold. The invention can lower interference collision probability and improve system performance through treating the interference difference caused by different edge users in the region to neighborhood regions.

Description

Disturbance coordination method and base station
Technical field
The present invention relates to communication technical field, relate in particular to a kind of disturbance coordination method from motion tracking interference variations and base station.
Background technology
At present, LTE(Long Term Evolution, Long Term Evolution) upstream physical layer adopts single carrier frequency division multiplex technique (SC-FDMA, Single-carrier Frequency Division Multiplexing), and system has strict demand to the orthogonality between each subchannel.Although because the factors such as skew of carrier frequency and phase place can cause the interference between subchannel, can be minimum by adopting advanced wireless signal Processing Algorithm that this interference is dropped in physical layer.Because frequency duplex factor as one is one, all communities in whole system coverage are used the user in identical frequency band Wei Zhe community that service is provided, so still existence of the interference of minizone, and particularly edge user can cause serious presence of intercell interference.Hence one can see that, disturbs very littlely in LTE system Zhong community, and the main interference that affects systematic function is from presence of intercell interference.
At present, conventionally adopt interference coordination technique (ICIC, Inter-Cell Interference Coordination) solve the problem of inter-cell interference of LTE system, its core is by the reasonable distribution of a plurality of minizones resource, make the resource of the edge customer of the neighbor cell quadrature of trying one's best, thereby reduce the interference of neighbor cell edge customer.
The disturbance coordination method that prior art adopts is mainly: the edge customer engaged position information of this community is added up in each community, generate up high interference indication (HII, High Interference Indication), by X2 mouth, HII is passed to adjacent area around, to inform the resource occupation information of this community, adjacent area, local resource planning can be carried out according to the HII information of receiving in adjacent area, avoids interference as much as possible.
But prior art is when generating HII information, the content of HII simply depends on the service condition of all edge customers to Resource Block (RB, Resource Block).If this RB is used by edge customer, be labeled as high interference.When sending HII information, adopt all adjacent areas are sent to same HII information.This method has defect clearly, and it allows part community receive inaccurate interference indication information, and then reduces the reasonability that resource is distributed, and reduces the performance of ICIC.Because at up direction, the uplink interference difference in size that the user of diverse location causes neighbor cell is very large.As shown in Figure 1, in large scale and the essentially identical situation of mesoscale decline model, the uplink interference that edge customer in community 1 is obviously compared community 3 to the uplink interference of community 2 is much larger, if the HII information therefore this CU RB position in community 1 being generated is Fa Ge community 2 and community 3 simultaneously, community 2 and 3 is as being inaccurate with reference to carrying out that user's interference evades.
In addition, in the prior art, the generation of HII information and transmission need certain measurement period, and the average information that prior art adopts the edge customer in previous measurement period to take resource more generates HII as the user resources assigned references foundation in next measurement period.Can there is the problem that prediction deviation is larger in the average method of this simple statistics, cause ICIC performance to reduce.
And, adopt the HII information of prior art to carry out resource and divide timing, still there will be the edge customer of neighbor cell to take the situation of same asset, there is the collision of high interference user resources position, can not well carry out interference coordination, cause ICIC hydraulic performance decline.
Summary of the invention
Main purpose of the present invention is to provide a kind of disturbance coordination method and base station, is intended to reduce the probability of high interference collision, improves ICIC technical performance.
In order to achieve the above object, the present invention proposes a kind of disturbance coordination method, comprising:
The target neighboring BS information that base station reports according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
In predefined measurement period, add up community in this cycle and respectively organize the RB numerical value that edge customer takies;
According to predefined edge customer community dedicated resources scope and community, respectively organize the RB numerical value that edge customer takies, generate the HII information of corresponding different target adjacent area, community, send to corresponding target adjacent area;
Receiving the HII information that neighbor base station sends, is that edge customer carries out resource distribution according to the HII information receiving and interference threshold.
Preferably, describedly in predefined measurement period, add up community in this cycle and respectively organize the step of the RB numerical value that edge customer takies and comprise:
In measurement period, each TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
After measurement period arrives, the RB number that in each TTI in measurement period, each group edge customer takies is averaged, obtain mean value;
The RB number of the HII information indication that the mean value in measurement period and last measurement period are reported subtracts each other, and the difference obtaining is as the first modifying factor;
In measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor;
By the mean value in measurement period and the common weighted sum of first, second modifying factor, obtain respectively organizing the RB numerical value that edge customer takies in measurement period.
Preferably, the HII information that described basis receives and interference threshold are that the step that edge customer carries out resource distribution comprises:
The HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
According to interference threshold, select the extendible Resource Block information of Cell Edge User;
According to the Resource Block information of selecting and described comprehensive HII, disturb indication to carry out resource distribution.
Preferably, the HII information that described basis receives and interference threshold are that edge customer carries out also comprising after the step of resource distribution:
Detect current TTI resource allocation result;
Whether the service quality that judges edge customer is satisfied with;
When the service quality of edge customer is satisfied with, according to allocation result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
Preferably, after the step that whether the described service quality that judges edge customer is satisfied with, also comprise:
When the service quality of edge customer is unsatisfied with, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, carry out the step of carrying out work according to allocation result; Otherwise
Again according to the HII information of community, select respective resources for user.
The present invention also proposes a kind of interference coordination base station, comprising:
Edge customer grouping module, for the target neighboring BS information reporting according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
RB numerical statistic module, respectively organizes for add up community in this cycle in predefined measurement period the RB numerical value that edge customer takies;
HII information generating module, for respectively organizing according to predefined edge customer community dedicated resources scope and community the RB numerical value that edge customer takies, generates the HII information of corresponding different target adjacent area, community, sends to corresponding target adjacent area;
Resource distribution module, the HII information sending for receiving neighbor base station, is that edge customer carries out resource distribution according to the HII information receiving and interference threshold.
Preferably, RB numerical statistic module comprises:
RB number statistical unit, in measurement period, each TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
Averaging unit, after arriving when measurement period, averages the RB number that in each TTI in measurement period, each group edge customer takies, and obtains mean value;
Modifying factor acquiring unit, subtracts each other for the RB number of HII information indication that the mean value in measurement period and last measurement period are reported, and the difference obtaining is as the first modifying factor; In measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor;
RB numerical value acquiring unit, for by the mean value in measurement period and the common weighted sum of first, second modifying factor, obtains respectively organizing the RB numerical value that edge customer takies in measurement period.
Preferably, described resource distribution module comprises:
HII disturbs indication acquiring unit, for the HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
Resource Block information selecting section, for according to interference threshold, selects the extendible Resource Block information of Cell Edge User;
Resource allocation unit, for disturbing indication to carry out resource distribution according to the Resource Block information of selecting and described comprehensive HII.
Preferably, described base station also comprises: detection module, for detection of current TTI resource allocation result; Whether the service quality that judges edge customer is satisfied with; When the service quality of edge customer is satisfied with, according to allocation result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
Preferably, when described detection module is also unsatisfied with for the service quality when edge customer, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, according to allocation result, carry out work; Otherwise again according to the HII information of community, select respective resources for user.
A kind of disturbance coordination method and base station that the present invention proposes, have following beneficial effect compared to existing technology:
1, the interference difference for the different edge customers in community, adjacent area being produced is processed, and the adjacent cell CU number of resources information that surpasses threshold value of disturbing is only concerned about in each base station, only the HII information of these user report is processed.In order to obtain better performance, interference threshold can arrange different threshold values according to the loading condition of adjacent cell to each community, thereby makes the flexibility of algorithm, self adaptation better effects if.
2, the RB information of number on average taking based on current edge customer, and after filtering in reaction time the difference information of RB number of variations tendency information and the value of reporting and actual value respectively as modifying factor, be weighted the method that merges the RB number that obtains final prediction, predicted more accurately the edge customer loading condition of community, load variations in real-time tracking community, the adjustment distributing for resource location and impact are all very accurate.
3, according to user's service quality satisfaction, to adjacent sectors, exist the user of potential high interference to carry out RB and heavily distribute, reduce interference hits probability, elevator system performance.
Accompanying drawing explanation
Fig. 1 is the disturbed condition schematic diagram of up user to different adjacent areas in prior art;
Fig. 2 is disturbance coordination method one embodiment schematic flow sheet of the present invention;
Fig. 3 adds up the schematic flow sheet that the RB numerical value that edge customer takies is respectively organized in community in this cycle in predefined measurement period in disturbance coordination method one embodiment of the present invention;
Fig. 4 is that HII information and the interference threshold that in disturbance coordination method one embodiment of the present invention, basis receives is the schematic flow sheet that edge customer carries out resource distribution;
Fig. 5 is another embodiment schematic flow sheet of disturbance coordination method of the present invention;
Fig. 5 a is the HII bitmap propagation direction of different districts in another embodiment HII generative process of disturbance coordination method of the present invention;
Fig. 5 b is HII mark schematic diagram in another embodiment HII generative process of disturbance coordination method of the present invention;
Fig. 5 c is that in another embodiment of disturbance coordination method of the present invention, edge customer takies RB number correction schematic diagram;
Fig. 6 is interference coordination of the present invention base station one example structure schematic diagram;
Fig. 7 is the structural representation of RB numerical statistic module in one embodiment of interference coordination of the present invention base station;
Fig. 8 is the structural representation of resource distribution module in one embodiment of interference coordination of the present invention base station;
Fig. 9 is another example structure schematic diagram of interference coordination of the present invention base station.
In order to make technical scheme of the present invention clearer, clear, below in conjunction with accompanying drawing, be described in further detail.
Embodiment
Solution for embodiment of the invention is mainly that interference difference adjacent area being produced for the different edge customers in community is processed, the target neighboring BS information specifically reporting according to Cell Edge User, all edge customers in community are divided into groups, the RB information of number on average taking based on current edge customer, and after filtering in reaction time the difference information of RB number of variations tendency information and the value of reporting and actual value respectively as modifying factor, be weighted and merge the RB numerical value that obtains final prediction, and in conjunction with predefined edge customer community dedicated resources scope, generate the HII information of corresponding different target adjacent area, community, each community is that edge customer carries out resource distribution according to the HII information and the interference threshold that receive.
As shown in Figure 2, a kind of disturbance coordination method that one embodiment of the invention proposes, comprising:
Step S101, the target neighboring BS information that base station reports according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
Each edge customer of each community calculates the target adjacent area of the HII information that need to send of oneself, by the target adjacent zone information reporting calculating to base station, dividing into groups to all edge customers according to the target adjacent area ID of Cell Edge User in base station, selects the edge customer of same target adjacent area as one group.
Step S102 adds up community in this cycle and respectively organizes the RB numerical value that edge customer takies in predefined measurement period;
Each TTI(Transmission Time Interval of each community, Transmission Time Interval) add up in community and respectively organize the RB sum that edge customer takies, until reach predefined measurement period.If do not arrive measurement period, this RB number adds up always, carries out filtering storage simultaneously always, after measurement period arrives, obtains in each TTI, respectively organizing the RB number filter value that edge customer takies in this measurement period.After measurement period arrives, RB number to each group CU in each TTI in measurement period averages, as this group edge customer, take the mean value of RB number, the RB number that the HII information simultaneously the RB number mean value of this measurement period and last measurement period being reported is indicated subtracts each other the difference that obtains as the first modifying factor; In this measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor; The edge customer of respectively organizing that mean value in measurement period and the common weighted sum of first, second modifying factor obtained in this cycle takies RB numerical value.
Step S103, respectively organizes according to predefined edge customer community dedicated resources scope and community the RB numerical value that edge customer takies, and generates the HII information of corresponding different target adjacent area, community, sends to corresponding target adjacent area;
Step S104, receives the HII information that neighbor base station sends, and according to the HII information receiving and interference threshold, is that edge customer carries out resource distribution.
Each TTI of each community detects the HII information that whether has adjacent area to send over; If had, the HII information step-by-step summation that receives this information and all adjacent areas that receive are sent, obtaining all targets adjacent area sends to the comprehensive HII of this community to disturb indication, according to interference threshold, the Resource Block information of selecting this Cell Edge User to expand, the foundation of distributing as this local resource, base station disturbs indication to carry out resource distribution according to comprehensive HII.
As shown in Figure 3, step S102 comprises:
Step S1021, in measurement period, each TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
Step S1022, after measurement period arrives, averages the RB number that in each TTI in measurement period, each group edge customer takies, and obtains mean value;
Step S1023, the RB number of the HII information that the mean value in measurement period and last measurement period are reported indication subtracts each other, and the difference obtaining is as the first modifying factor;
Step S1024 respectively organizes the difference of RB number filter value that edge customer takies and mean value as the second modifying factor in measurement period in each TTI;
Step S1025, by the mean value in measurement period and the common weighted sum of first, second modifying factor, obtains respectively organizing the RB numerical value that edge customer takies in measurement period.
As shown in Figure 4, in step S104, according to the HII information that receives and interference threshold, be that the step that edge customer carries out resource distribution comprises:
S1041, the HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
S1042, according to interference threshold, selects the extendible Resource Block information of Cell Edge User;
S1043, disturbs indication to carry out resource distribution according to the Resource Block information of selecting and described comprehensive HII.
The interference difference that the present embodiment produces adjacent area for the different edge customers in community is processed, and the adjacent cell CU number of resources information that surpasses threshold value of disturbing is only concerned about in each base station, only the HII information of these user report is processed.In order to obtain better performance, interference threshold can arrange different threshold values according to the loading condition of adjacent cell to each community, thereby makes the flexibility of algorithm, self adaptation better effects if.The RB information of number on average taking based on current edge customer, and after filtering in reaction time the difference information of RB number of variations tendency information and the value of reporting and actual value respectively as modifying factor, be weighted the method that merges the RB number that obtains final prediction, predicted more accurately the edge customer loading condition of community, load variations in real-time tracking community, the adjustment distributing for resource location and impact are all very accurate, have improved systematic function.
As shown in Figure 5, a kind of disturbance coordination method that another embodiment of the present invention proposes, comprising:
Step S501, the target neighboring BS information that base station reports according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
Step S502 adds up community in this cycle and respectively organizes the RB numerical value that edge customer takies in predefined measurement period;
Step S503, respectively organizes according to predefined edge customer community dedicated resources scope and community the RB numerical value that edge customer takies, and generates the HII information of corresponding different target adjacent area, community, sends to corresponding target adjacent area;
Step S504, receives the HII information that neighbor base station sends, and according to the HII information receiving and interference threshold, is that edge customer carries out resource distribution.
Above-mentioned steps S501, step S502, step S503 and step S504 are corresponding identical with step S101, step S102, step S103 and step S104 in above-described embodiment, do not repeat them here.
Step S505, detects current TTI resource allocation result;
Step S506, judges whether the service quality of edge customer is satisfied with; If so, go to step S507; Otherwise, go to step S508;
Step S507, carries out work according to allocation result, and the HII information step-by-step in this cycle is emptied, and prepares the statistics that enters next cycle.
Step S508, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, go to step S507; Otherwise, go to step S509;
Step S509, selects respective resources according to the HII information of community for user again.
In above-mentioned steps S509, again according to the HII information of this community, select other resources for user, evade as far as possible high interference CU same asset, occur interference hits.
The present embodiment, on the basis of above-described embodiment, also can exist the user of potential high interference to carry out RB to adjacent sectors and heavily distribute according to user's service quality satisfaction, reduces interference hits probability, elevator system performance.
With instantiation, the present embodiment technical scheme is described in detail below:
As shown in Figure 5 a, consider that pre-assigned frequency range divides the situation of three sections, in figure, OC frequency range is this Cell Edge User private resource, and IC frequency range can take the resource that can use with this Cell Edge User for this Cell Center User; If OC private resource can meet the demand of edge customer, IC part resource is all distributed to the use of this Cell Center User.If OC private resource can not meet the demand of edge customer, utilize HII information to take open-ended IC part resource.
More for considering that an edge customer takies resource, surpass under OC scope of resource scene, its whole handling process is as follows:
1, each edge customer of each community calculates the target adjacent area of oneself, according to target adjacent area, all edge customers is divided into groups, and selects the edge customer of same target adjacent area as one group;
2, each community every group of RB number that edge customer distributes in each up TTI recording cell
Figure GDA0000459317760000097
wherein m represents m community, and k represents the k group user in community, and n represents n TTI in measurement period, and N TTI is as a measurement period.In measurement period, RB number adds up always
Figure GDA0000459317760000091
obtain the RB sum that in this measurement period, this group edge customer takies, carry out filtering simultaneously always and obtain, in this cycle, every group of edge customer of each TTI distributed to the filtered value of RB number RB k m _ fil = K ⊗ ( RB k , n m ) ;
3, after measurement period arrives, the RB number of every group of CU in each TTIZhong Mei community in measurement period is averaged, obtain the average RB number that this group edge customer takies in N TTI
Figure GDA0000459317760000093
Figure GDA0000459317760000094
wherein T represents T measurement period, simultaneously this measurement period
Figure GDA0000459317760000095
the RB number reporting with last measurement period
Figure GDA0000459317760000096
subtract each other the difference that obtains as the first modifying factor; Simultaneously the filtered value of the shared RB number of every group of edge customer of each TTI in this measurement period
Figure GDA0000459317760000101
the RB number average with this measurement period
Figure GDA0000459317760000102
subtract each other the difference that obtains as the second modifying factor Δ; This cycle the first modifying factor and the second modifying factor Δ weighted sum obtain in this cycle respectively organize edge customer take RB number must the value of reporting
Figure GDA0000459317760000104
RB k m _ rep ( T ) = RB k m _ mean ( T ) + ( RB k m _ mean ( T ) - RB k m _ rep ( T - 1 ) ) * γ + Δ * β , Its schematic diagram can be with reference to figure 5c;
4, according to predefined edge customer community dedicated resources (OC) scope, and the RB number that edge customer takies is respectively organized in each community
Figure GDA0000459317760000106
produce the HII information that this community m will send to target adjacent area i
Figure GDA0000459317760000107
send this HII information to corresponding target adjacent area;
5, each TTI of each community detects the HII information that whether has adjacent area to send over; If had, the HII information step-by-step summation that receives this information and all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of this community to disturb indication
Figure GDA0000459317760000108
according to interference threshold, the Resource Block information of selecting this Cell Edge User to expand, as shown in Figure 5 b, value after the HII indication step-by-step summation of M adjacent area transmission has 3,4,5,6, select thresholding Thr=max (S (i)) * α, be less than the value of thresholding as open-ended resource, the foundation of distributing as this local resource;
6, according to comprehensive HII, disturb indication to carry out resource distribution.Circulation user detects after the distribution of current TTI resource, and whether user's service quality is satisfied with, and goes to step 9, otherwise go to step 7 if satisfied;
7, whether the user quality of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied go to step 9, otherwise go to step 8;
8, again according to the HII information of this community, select other resources for user, evade as far as possible high interference CU same asset, occur interference hits.
9, according to scheduling result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
As shown in Figure 6, one embodiment of the invention proposes a kind of interference coordination base station, comprising: edge customer grouping module 601, RB numerical statistic module 602, HII information generating module 603 and resource distribution module 604, wherein:
Edge customer grouping module 601, for the target neighboring BS information reporting according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
RB numerical statistic module 602, respectively organizes for add up community in this cycle in predefined measurement period the RB numerical value that edge customer takies;
HII information generating module 603, for respectively organizing according to predefined edge customer community dedicated resources scope and community the RB numerical value that edge customer takies, generates the HII information of corresponding different target adjacent area, community, sends to corresponding target adjacent area;
Resource distribution module 604, the HII information sending for receiving neighbor base station, is that edge customer carries out resource distribution according to the HII information receiving and interference threshold.
As shown in Figure 7, RB numerical statistic module 602 comprises: RB number statistical unit 6021, averaging unit 6022, modifying factor acquiring unit 6023 and RB numerical value acquiring unit 6024, wherein:
RB number statistical unit 6021, in measurement period, each TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
Averaging unit 6022, after arriving when measurement period, averages the RB number that in each TTI in measurement period, each group edge customer takies, and obtains mean value;
Modifying factor acquiring unit 6023, subtracts each other for the RB number of HII information indication that the mean value in measurement period and last measurement period are reported, and the difference obtaining is as the first modifying factor; In measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor;
RB numerical value acquiring unit 6024, for by the mean value in measurement period and the common weighted sum of first, second modifying factor, obtains respectively organizing the RB numerical value that edge customer takies in measurement period.
As shown in Figure 8, resource distribution module 604 comprises: HII disturbs indication acquiring unit 6041, Resource Block information selecting section 6042 and resource allocation unit 6043, wherein:
HII disturbs indication acquiring unit 6041, for the HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
Resource Block information selecting section 6042, for according to interference threshold, selects the extendible Resource Block information of Cell Edge User;
Resource allocation unit 6043, for disturbing indication to carry out resource distribution according to the Resource Block information of selecting and described comprehensive HII.
As shown in Figure 9, a kind of interference coordination base station that another embodiment of the present invention proposes, comprising: edge customer grouping module 901, RB numerical statistic module 902, HII information generating module 903, resource distribution module 904 and, detection module 905;
Wherein, edge customer grouping module 901, RB numerical statistic module 902, HII information generating module 903 and resource distribution module 904 are corresponding identical with edge customer grouping module 601, RB numerical statistic module 602, HII information generating module 603 and resource distribution module 604 functional structures in above-described embodiment, do not repeat them here.
In the present embodiment, detection module 905, for detection of current TTI resource allocation result; Whether the service quality that judges edge customer is satisfied with; When the service quality of edge customer is satisfied with, according to allocation result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
Further, when detection module 905 is also unsatisfied with for the service quality when edge customer, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, according to allocation result, carry out work; Otherwise again according to the HII information of community, select respective resources for user.
The present embodiment, on the basis of above-described embodiment, also can exist the user of potential high interference to carry out RB to adjacent sectors and heavily distribute according to user's service quality satisfaction, reduces interference hits probability, elevator system performance.
The interference difference that embodiment of the present invention disturbance coordination method and base station produce adjacent area for the different edge customers in community is processed, the adjacent cell CU number of resources information that surpasses threshold value of disturbing is only concerned about in each base station, only the HII information of these user report is processed.In order to obtain better performance, interference threshold can arrange different threshold values according to the loading condition of adjacent cell to each community, thereby makes the flexibility of algorithm, self adaptation better effects if.The RB information of number on average taking based on current edge customer, and after filtering in reaction time the difference information of RB number of variations tendency information and the value of reporting and actual value respectively as modifying factor, be weighted the method that merges the RB number that obtains final prediction, predicted more accurately the edge customer loading condition of community, load variations in real-time tracking community, the adjustment distributing for resource location and impact are all very accurate, but also can be according to user's service quality satisfaction, to adjacent sectors, existing the user of potential high interference to carry out RB heavily distributes, reduce interference hits probability, elevator system performance.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. a disturbance coordination method, is characterized in that, comprising:
The target neighboring BS information that base station reports according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
In predefined measurement period, add up community in this cycle and respectively organize the Resource Block RB numerical value that edge customer takies;
According to predefined edge customer community dedicated resources scope and community, respectively organize the RB numerical value that edge customer takies, generate the up high interference indication HII information of corresponding different target adjacent area, community, send to corresponding target adjacent area;
Receiving the HII information that neighbor base station sends, is that edge customer carries out resource distribution according to the HII information receiving and interference threshold.
2. method according to claim 1, is characterized in that, describedly in predefined measurement period, adds up community in this cycle and respectively organizes the step of the RB numerical value that edge customer takies and comprise:
In measurement period, each Transmission Time Interval TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
After measurement period arrives, the RB number that in each TTI in measurement period, each group edge customer takies is averaged, obtain mean value;
The RB number of the HII information indication that the mean value in measurement period and last measurement period are reported subtracts each other, and the difference obtaining is as the first modifying factor;
In measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor;
By the mean value in measurement period and the common weighted sum of first, second modifying factor, obtain respectively organizing the RB numerical value that edge customer takies in measurement period.
3. method according to claim 1, is characterized in that, the HII information that described basis receives and interference threshold are that the step that edge customer carries out resource distribution comprises:
The HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
According to interference threshold, select the extendible Resource Block information of Cell Edge User;
According to the Resource Block information of selecting and described comprehensive HII, disturb indication to carry out resource distribution.
4. according to the method described in claim 1,2 or 3, it is characterized in that, the HII information that described basis receives and interference threshold are that edge customer carries out also comprising after the step of resource distribution:
Detect current TTI resource allocation result;
Whether the service quality that judges edge customer is satisfied with;
When the service quality of edge customer is satisfied with, according to allocation result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
5. method according to claim 4, is characterized in that, after the step whether described service quality that judges edge customer is satisfied with, also comprises:
When the service quality of edge customer is unsatisfied with, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, carry out the step of carrying out work according to allocation result; Otherwise
Again according to the HII information of community, select respective resources for user.
6. an interference coordination base station, is characterized in that, comprising:
Edge customer grouping module, for the target neighboring BS information reporting according to Cell Edge User, divides into groups to all edge customers in community, selects the edge customer of same target adjacent area as one group;
RB numerical statistic module, respectively organizes for add up community in this cycle in predefined measurement period the RB numerical value that edge customer takies;
HII information generating module, for respectively organizing according to predefined edge customer community dedicated resources scope and community the RB numerical value that edge customer takies, generates the HII information of corresponding different target adjacent area, community, sends to corresponding target adjacent area;
Resource distribution module, the HII information sending for receiving neighbor base station, is that edge customer carries out resource distribution according to the HII information receiving and interference threshold.
7. base station according to claim 6, is characterized in that, RB numerical statistic module comprises:
RB number statistical unit, in measurement period, each TTI statistics is respectively organized the RB number that edge customer takies in community, and described RB number add up and filtering is stored, and obtains respectively organizing in each TTI the RB number filter value that edge customer takies;
Averaging unit, after arriving when measurement period, averages the RB number that in each TTI in measurement period, each group edge customer takies, and obtains mean value;
Modifying factor acquiring unit, subtracts each other for the RB number of HII information indication that the mean value in measurement period and last measurement period are reported, and the difference obtaining is as the first modifying factor; In measurement period, in each TTI, respectively organize the difference of RB number filter value that edge customer takies and mean value as the second modifying factor;
RB numerical value acquiring unit, for by the mean value in measurement period and the common weighted sum of first, second modifying factor, obtains respectively organizing the RB numerical value that edge customer takies in measurement period.
8. base station according to claim 6, is characterized in that, described resource distribution module comprises:
HII disturbs indication acquiring unit, for the HII information step-by-step summation that all adjacent areas that receive are sent, obtains all targets adjacent area and sends to the comprehensive HII of community to disturb indication;
Resource Block information selecting section, for according to interference threshold, selects the extendible Resource Block information of Cell Edge User;
Resource allocation unit, for disturbing indication to carry out resource distribution according to the Resource Block information of selecting and described comprehensive HII.
9. according to the base station described in claim 6,7 or 8, it is characterized in that, described base station also comprises: detection module, for detection of current TTI resource allocation result; Whether the service quality that judges edge customer is satisfied with; When the service quality of edge customer is satisfied with, according to allocation result, carry out work, and the HII information step-by-step in this cycle is emptied, prepare the statistics that enters next cycle.
10. base station according to claim 9, is characterized in that, when described detection module is also unsatisfied with for the service quality when edge customer, whether the service quality of the edge customer of judgement same asset position, the strongest target adjacent area is satisfied with; If satisfied, according to allocation result, carry out work; Otherwise again according to the HII information of community, select respective resources for user.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104754587A (en) * 2013-12-31 2015-07-01 中兴通讯股份有限公司 Interference coordinating method and device for LTE (Long Term Evolution) system
CN104185212B (en) * 2014-08-14 2017-12-08 京信通信***（中国）有限公司 LTE system inter-cell uplink interference coordination approach and system
CN105554772A (en) * 2016-01-20 2016-05-04 江苏省邮电规划设计院有限责任公司 LTE (Long Term Evolution) system interference coordination method
CN108495335B (en) * 2018-03-30 2021-09-24 京信网络***股份有限公司 Cell resource allocation method, device, base station and storage medium
CN111083790B (en) * 2018-10-19 2022-09-09 成都鼎桥通信技术有限公司 Scheduling control method and device
CN109874177B (en) * 2019-04-01 2023-02-10 海能达通信股份有限公司 Inter-cell interference coordination method, device and server

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101631351A (en) * 2008-07-14 2010-01-20 中兴通讯股份有限公司 Measurement control method
CN101668304A (en) * 2008-09-04 2010-03-10 大唐移动通信设备有限公司 Method and device for measuring and indicating high-interference indicating parameters
CN101730110A (en) * 2009-12-31 2010-06-09 上海华为技术有限公司 Method and device for distributing edge band resource and base station
CN101860912A (en) * 2009-04-09 2010-10-13 大唐移动通信设备有限公司 Resource allocation method, device and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101534560B (en) * 2008-03-14 2012-01-11 中兴通讯股份有限公司 Method for harmonizing intercell interference of wireless communication system
US20100124181A1 (en) * 2008-11-17 2010-05-20 Futurewei Technologies, Inc. System and Method for Managing a Wireless Communications Network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101631351A (en) * 2008-07-14 2010-01-20 中兴通讯股份有限公司 Measurement control method
CN101668304A (en) * 2008-09-04 2010-03-10 大唐移动通信设备有限公司 Method and device for measuring and indicating high-interference indicating parameters
CN101860912A (en) * 2009-04-09 2010-10-13 大唐移动通信设备有限公司 Resource allocation method, device and system
CN101730110A (en) * 2009-12-31 2010-06-09 上海华为技术有限公司 Method and device for distributing edge band resource and base station

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