CN105764150A - Method and device for allocating resources - Google Patents
Method and device for allocating resources Download PDFInfo
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- CN105764150A CN105764150A CN201610208275.3A CN201610208275A CN105764150A CN 105764150 A CN105764150 A CN 105764150A CN 201610208275 A CN201610208275 A CN 201610208275A CN 105764150 A CN105764150 A CN 105764150A
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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
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The invention discloses a method and a device for allocating resources. The method comprises steps: historical service resource information of each cell in a statistical range is acquired; according to the historical service resource information of each cell, the priority for resource allocation for each cell in the current cycle is determined; according to the priority for resource allocation for each cell in the current cycle and a neighbor relation between cells, a first cell and a second cell are determined; the estimated service resource requirement by the first cell is acquired; according to the estimated service resource requirement by the first cell, a frequency spectrum is allocated for the first cell; and according to the frequency spectrum allocated for the first cell, a frequency spectrum of the second cell is allocated. Frequency spectrum resource allocation is carried out according to the resource allocation priority, a cell with a higher service requirement can be met preferentially, through the estimated service resource requirement, the frequency spectrum which can meet the service requirement and is not overlapped with that of the neighbor cell is allocated for the cell, the allocated frequency spectrum can meet the service requirements by the cell, and interference between cells is reduced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and the device of the distribution of a kind of resource.
Background technology
In existing mobile communication system, identical networking and inter-frequency networking are two kinds of common networking modes.Identical networking refers to and adopts identical frequency in networking, and the frequency frequency of all communities is all the same；Inter-frequency networking refers to that the cell frequency in networking exists difference.
Needed for identical networking, frequency resource is few, in limited frequency spectrum resource situation, becomes networking mode conventional in communication system.But, under the scene of identical networking, the band overlapping that each community uses, can increase the weight of the co-channel interference between each community, reduce handling capacity and the Consumer's Experience of system Zhong Ge community, and have a strong impact on the performance of Cell Edge User.
Inter-frequency networking can better suppress the interference of minizone, but frequency spectrum resource demand is big, and the availability of frequency spectrum is relatively low.In order to improve spectrum efficiency, frequently with frequency multiplexing method in inter-frequency networking, the community kept at a certain distance away is made to adopt identical frequency.
In existing frequency allocation method, for improving frequency efficiency further, thought based on channeling, the method producing the distribution of many frequencies, such as division of cells marginal area frequency resource, it is ensured that neighbor cell marginal frequency is different, and center of housing estate field frequency resource can be identical, thus reducing area interference, improve frequency efficiency simultaneously；Or frequency is grouped, carry out channeling with group of frequencies form, join, to community/community component, the frequency that group of frequencies is corresponding；Or when carrier wave/community turns off, reclaim the frequency of carrier wave/community use in time and optimize subdistrict frequency point etc..
But, in existing frequency collocation method, bandwidth for the frequency band of little Division is fixed, community carries out user resources distribution according to the frequency band divided, but the business demand of reality is changeable, when intra-cell traffic demand cannot meet the demand of intra-cell users compared with the resource possibility of great Shi community, and cell portion resources idle can be caused when intra-cell traffic demand is less.
Summary of the invention
The embodiment of the present invention provides method and the device of a kind of resource distribution, with thinking that community distribution meets business demand and is adjacent the frequency spectrum resource of community non-overlapping copies.
The method of a kind of resource distribution that the embodiment of the present invention provides, including:
Obtain the history service resource information of scope of statistics Nei Ge community；
History service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
The priority of the resource distribution according to described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；Described first community is the priority community more than first threshold of resource distribution, and described second community is the adjacent area, n rank of described first community, and n is positive integer；
Obtaining the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Service resources demand is estimated, to described first community distribution frequency spectrum according to described first community；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
It is preferred that described to described first community distribution frequency spectrum, including:
Estimate service resources demand according to described first community, in system available spectrum resources, estimate, for what described first community was distributed in described first community, the frequency spectrum that service resources demand is corresponding；Or,
If the n rank Neighboring Cell List of described first community is empty, be frequency spectrum corresponding to the maximum bandwidth of described first described first community of distribution, community in system available spectrum resources；Or,
If system can frequency spectrum resource more than Second Threshold time, be described first community frequency spectrum corresponding to maximum bandwidth that distribute described first community in system available spectrum resources.
It is preferred that the frequency spectrum according to described first community distribution, distribute the frequency spectrum of described second community, including:
If the even-order adjacent area that described second community is described first community, it is that the frequency spectrum identical with the frequency spectrum of described first community is distributed in described second community in system available spectrum resources；Or
If the odd-order adjacent area that described second community is described first community, being that remaining frequency spectrum in described system available spectrum resources is distributed in described second community in system available spectrum resources, in described system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource in described system available spectrum resources except the frequency spectrum distributing to described first community.
Preferably, if the community that in the Guan Bi adjacent area set that described second community is described first community, adjacent area exponent number is maximum, and in the set of described Guan Bi adjacent area the number of the community that adjacent area exponent number is maximum more than 1, revise the frequency spectrum of described second community distribution, the set of described Guan Bi adjacent area is for from described first community, described first community, the set that passed community is formed is returned to through path, minimum adjacent area.
It is preferred that the frequency spectrum of the described second community distribution of described correction, including:
What obtain maximum each second community of described adjacent area exponent number estimates service resources demand, estimates service resources demand percentage according to maximum each second community of described adjacent area exponent number, for the frequency spectrum that described each second community distribution is different.
It is preferred that after distributing the frequency spectrum of described second community, also include:
If described scope of statistics Nei Ge community also includes the 3rd community, the priority that described 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community；
Then arbitrary community in described 3rd community, as described first community, is repeated:
Obtaining the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Service resources demand is estimated, to described first community distribution frequency spectrum according to described first community；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community, and described second community is the adjacent area, n rank of described first community, and n is positive integer.
Correspondingly, the embodiment of the present invention additionally provides a kind of resource assigned unit, including:
Acquiring unit, for obtaining the history service resource information of scope of statistics Nei Ge community；
Determine unit, for the history service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
Described determine unit, be additionally operable to the priority of resource distribution according to described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；Described first community is the priority community more than first threshold of resource distribution, and described second community is the adjacent area, n rank of described first community, and n is positive integer；
Described acquiring unit, is additionally operable to obtain the service resources demand of estimating of described first community, and the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Allocation units, for estimating service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
It is preferred that described allocation units specifically for:
Estimate service resources demand according to described first community, in system available spectrum resources, estimate, for what described first community was distributed in described first community, the frequency spectrum that service resources demand is corresponding；Or,
If the n rank Neighboring Cell List of described first community is empty, be frequency spectrum corresponding to the maximum bandwidth of described first described first community of distribution, community in system available spectrum resources；Or,
If system can frequency spectrum resource more than Second Threshold time, be described first community frequency spectrum corresponding to maximum bandwidth that distribute described first community in system available spectrum resources.
It is preferred that described allocation units specifically for:
If the even-order adjacent area that described second community is described first community, it is that the frequency spectrum identical with the frequency spectrum of described first community is distributed in described second community in system available spectrum resources；Or
If the odd-order adjacent area that described second community is described first community, being that remaining frequency spectrum in described system available spectrum resources is distributed in described second community in system available spectrum resources, in described system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource in described system available spectrum resources except the frequency spectrum distributing to described first community.
It is preferred that described allocation units are additionally operable to:
If the community that in the Guan Bi adjacent area set that described second community is described first community, adjacent area exponent number is maximum, and in the set of described Guan Bi adjacent area the number of the community that adjacent area exponent number is maximum more than 1, revise the frequency spectrum of described second community distribution, the set of described Guan Bi adjacent area is for from described first community, described first community, the set that passed community is formed is returned to through path, minimum adjacent area.
It is preferred that described allocation units specifically for:
What obtain maximum each second community of described adjacent area exponent number estimates service resources demand, estimates service resources demand percentage according to maximum each second community of described adjacent area exponent number, for the frequency spectrum that described each second community distribution is different.
Determine unit it is preferred that described, be additionally operable to:
After described allocation units distribute the frequency spectrum of described second community, if described scope of statistics Nei Ge community also includes the 3rd community, the priority that described 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community；
Then using arbitrary community in described 3rd community as described first community, and notifying that described acquiring unit obtains the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；So that described allocation units estimate service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community, and described second community is the adjacent area, n rank of described first community, and n is positive integer.
The embodiment of the present invention shows, obtain the history service resource information of scope of statistics Nei Ge community, history service resource information according to each community, determine the priority of the resource distribution of current period Nei Ge community, the priority of the resource distribution according to current period Nei Ge community and the neighboring BS relationship of each community, determine the first community and the second community, what obtain the first community estimates service resources demand, service resources demand is estimated according to the first community, frequency spectrum is distributed to the first community, frequency spectrum according to the first community distribution, distributes the frequency spectrum of the second community.Frequency spectrum resource distribution is carried out according to the priority of resource distribution, can preferentially meet the community that business demand is high, by estimating service resources demand, its business demand is met for community distribution, frequency spectrum with neighbor cell non-overlapping copies, the frequency spectrum making distribution can meet the business demand of community, reduces the interference of minizone simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The system architecture diagram being applicable to resource distribution that Fig. 1 provides for the embodiment of the present invention；
The schematic flow sheet of the method for a kind of resource distribution that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet of the method for the another kind of resource distribution that Fig. 3 provides for the embodiment of the present invention；
The structural representation of a kind of resource assigned unit that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
It is the scene that community carries out resource distribution that the embodiment of the present invention is applicable to base station, what Fig. 1 was exemplary illustrates the system architecture schematic diagram being applicable to resource distribution that the embodiment of the present invention provides, as shown in Figure 1, multiple base station is included under this system architecture, i.e. eNB0, eNB1 in figure ... eNB16, the line between two base stations represents there is neighboring BS relationship between the two base station.This base station can be LTE (LongTermEvolution, Long Term Evolution) base station under system, it can also be the base station under 3G (3rdGeneration, third generation mobile), 2G (2ndGeneration, second filial generation mobile communication).
Based on foregoing description, Fig. 2 illustrates the flow process that a kind of resource that the embodiment of the present invention provides is distributed, and this flow process can be performed by resource assigned unit.
As in figure 2 it is shown, the concrete steps of this flow process include:
Step 201, obtains the history service resource information of scope of statistics Nei Ge community；
Step 202, the history service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
Step 203, the priority distributed according to the resource of described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；
Step 204, what obtain described first community estimates service resources demand；
Step 205, estimates service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
In step 201, this scope of statistics is the coverage of a MME (MobilityManagementEntity, mobile management entity) all base stations connected, or the coverage of multiple base station or community.The history service resource information of this scope of statistics Nei Ge community may be used to determine the priority of the resource distribution of each community.The history service resource information of this each community can be the service resources information of last adjustment cycle Nei Ge community, in LTE system, this history service resource information, include but not limited to the number of users of the traffic channel resource of community, RE (Radiatedemission, radiation interference) spectrum efficiency, the satisfaction rate of every business, different business.
In step 202., history service resource information according to the scope of statistics Nei Ge community obtained in step 201, it is determined that the priority of the resource distribution of current period Nei Ge community, the history service resource requirement of community is more high, performance is more good, and the priority of the resource distribution of corresponding community is also more high.Determine each community resource distribution priority, it is possible to follow-up according to priority of resource allocation order carry out frequency spectrum distribution time, the business demand of this community can preferentially meet.
In step 203, after determining the priority that the resource of current period Nei Ge community is distributed, neighboring BS relationship in conjunction with each community, determine the first community and the second community, this first community is the priority community more than first threshold of resource distribution, this second community is the adjacent area, n rank of this first community, and n is positive integer.This first threshold can empirically be configured, as long as the priority of resource distribution is more than the community of this first threshold, it is possible to be chosen for the first community.Preferably, it is possible to the maximum community of priority resource distributed is the first community.The adjacent area, n rank of this first community is based on the neighboring BS relationship of this first community, has traveled through what the first all neighboring BS relationship in community obtained, and the second community is the adjacent area, n rank of the first community, and the second community includes the 1st rank, the 2nd rank ..., n-th order, altogether adjacent area, n rank.Specifically as shown in Figure 1, it is assumed that equal only one of which community under each base station eNB in Fig. 1, then for eNB6 as the first community, its second community comprises 3 adjacent area, rank, i.e. n=3, particularly as follows:
1st adjacent area, rank: { eNB3, eNB4, eNB11, eNB12}；
2nd adjacent area, rank: { eNB2, eNB7, eNB10, eNB14, eNB15, eNB16}；
3rd adjacent area, rank: { eNB8, eNB5, eNB13}；
N (n=3) adjacent area, rank of eNB6 is: { eNB3, eNB4, eNB11, eNB12, eNB2, eNB7, eNB10, eNB14, eNB15, eNB16, eNB8, eNB5, eNB13}.
In step 204, the service resources demand of estimating of this first community can be determined according to the history service resource information of this first community.Concrete, this estimates in the average traffic channel resource up, descending that service resources demand can be last adjustment cycle Nei Gai community, bigger average traffic channel resource value is plus after setting resource threshold, corresponding number of resources, it LTE system can be PRB (PhysicalResourceBlock, Physical Resource Block) number Nprb,request.This setting resource threshold can empirically be configured.
In step 205, according in step 204 obtain the first community estimate service resources demand, it is possible to for this first community distribute frequency spectrum.Concrete, estimate service resources demand according to this first community, in system available spectrum resources, estimate the frequency spectrum corresponding to service resources demand for what this first community was distributed in this first community, LTE system is PRB number Nprb,requestCorresponding frequency spectrum, this frequency spectrum is one section of frequency spectrum of continuous print in system available resources；Or, if the n rank Neighboring Cell List of this first community is empty, the frequency spectrum that the maximum bandwidth of distributing this first community for this first community in system available resources is corresponding, this frequency spectrum is one section of frequency spectrum of continuous print in system available resources；Or, if system available spectrum resources is more than Second Threshold, the frequency spectrum that the maximum bandwidth of distributing this first community for this first community in system available spectrum resources is corresponding, this frequency spectrum is one section of frequency spectrum of continuous print in system available spectrum resources.This Second Threshold can empirically be arranged, for instance as system available spectrum resources WavailableWhen maximum more than in system bandwidth of cell β times, it is in the first community distribution system usable spectrum, the continuous frequency spectrum that the maximum bandwidth of this first community is corresponding.
After distributing frequency spectrum to the first community, the frequency spectrum according to the first community distribution, is the second community distribution frequency spectrum.Concrete, if the even-order adjacent area that the second community is the first community, it is that the frequency spectrum identical with the frequency spectrum of the first community is distributed in the second community in system available spectrum resources；If or the odd-order adjacent area that the second community is the first community, it it is remaining frequency spectrum in the second community distribution system available spectrum resources in system available spectrum resources, in this system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource except the frequency spectrum distributing to the first community in system available spectrum resources, it may also be said to be that this second community adopts frequency spectrum complementary with the frequency spectrum of this first community in system available spectrum resources.
Further, in order to be better the second community distribution frequency spectrum resource, when the community that adjacent area exponent number in the Guan Bi adjacent area set that the second community is the first community is maximum, and when the number of the community that adjacent area exponent number is maximum is more than 1 in the set of this Guan Bi adjacent area, revise the frequency spectrum of this second community distribution.What obtain exponent number maximum each second community in adjacent area in the set of described Guan Bi adjacent area estimates service resources demand, estimates service resources demand percentage according to maximum each second community of adjacent area exponent number in the set of Guan Bi adjacent area, for the frequency spectrum that each second community distribution is different.Wherein, the set of this Guan Bi adjacent area for from this first community, returning to this first community, the set that passed community is formed through path, minimum adjacent area.
Concrete, when system available spectrum resources is Wavailable, it is that the frequency spectrum of the first community distribution is WhenbTime, then it is that the frequency spectrum of the second community distribution is:
When the even-order adjacent area that the second community is the first community, the frequency spectrum for the distribution of this second community is Whenb；When the odd-order adjacent area that the second community is the first community, the frequency spectrum for the distribution of this second community is Wavailable-Whenb.As: when n is even number, when the 2nd rank that the second community is the first community, the 4th rank ..., n-th order adjacent area, the frequency spectrum for the distribution of this second community is Whenb；When the 1st rank of the first community of the second community, the 3rd rank ..., the (n-1)th adjacent area, rank, the frequency spectrum for the distribution of this second community is Wavailable-Whenb。
If the community that in the Guan Bi adjacent area set that the second community is the first community, adjacent area exponent number is maximum, and when the community that in the set of this Guan Bi adjacent area, adjacent area exponent number is maximum exists at least two, revise the frequency spectrum of this second community distribution.Particularly as follows:
What obtain exponent number maximum each second community in adjacent area in the set of described Guan Bi adjacent area estimates service resources demand, estimates service resources demand percentage α according to maximum each second community of adjacent area exponent number in the set of Guan Bi adjacent area1:α2:…:αkDistribute the second allocated frequency spectrum in community.Wherein, k is the number of maximum the second community of adjacent area exponent number in the set of Guan Bi adjacent area, and k is positive integer, α1+α2+…+αk=1；
When in closing adjacent area and gathering, maximum adjacent area exponent number is odd number, it is that the frequency spectrum of the second community distribution is αj·(Wavailable-Whenb), j=1,2 ..., k；When in closing adjacent area and gathering, maximum adjacent area exponent number is even number, it is that the frequency spectrum of the second community distribution is αj·Whenb, j=1,2 ..., k.
Above-mentioned first community is the maximum community of priority of resource distribution, after distributing the frequency spectrum of this second community, if scope of statistics Nei Ge community also includes the 3rd community, if the priority that the 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community, such as, eNB0, eNB1 and eNB9 in Fig. 1, then using arbitrary community in the 3rd community as the first community, such as eNB0, repeat above-mentioned steps 204 and step 205.Wherein, the second community is the adjacent area, n rank of the first community, and n is positive integer.
Above-described embodiment shows, obtain the history service resource information of scope of statistics Nei Ge community, history service resource information according to each community, determine the priority of the resource distribution of current period Nei Ge community, the priority of the resource distribution according to current period Nei Ge community and the neighboring BS relationship of each community, determine the first community and the second community, what obtain the first community estimates service resources demand, service resources demand is estimated according to the first community, frequency spectrum is distributed to the first community, according to the frequency spectrum for the first community distribution, distribute the frequency spectrum of the second community.Frequency spectrum resource distribution is carried out according to the priority of resource distribution, can preferentially meet the community that business demand is high, by estimating service resources demand, its business demand is met for community distribution, frequency spectrum with neighbor cell non-overlapping copies, the frequency spectrum making distribution can meet the business demand of community, reduces the interference of minizone simultaneously.
In order to better explain the embodiment of the present invention, scene will be practiced below in conjunction with concrete below, it is provided that under concrete application scenarios, carry out the process of resource distribution.
Fig. 3 illustrates the flow process of a kind of resource distribution in the embodiment of the present invention, and in embodiments of the present invention, the first community is cell of origin, COO, and the second community is non-cell of origin, COO.
Step 301, determines the current priority of resource allocation adjusting cycle Nei Ge community according to the history service resource information of each community.
The history service resource information of each community is based on the service resources information of last adjustment cycle Nei Ge community and determines.The history service resource requirement of community is more high, and performance is more good, and the priority of resource allocation of corresponding community is more high.
Alternatively, in LTE system, this history service resource information, include but not limited to the number of users of the traffic channel resource of community, RE spectrum efficiency, the satisfaction rate of each business, different business.
Priority of resource allocation is based on the history service resource information of each community and determines, the community that history service resource requirement can be made high obtains the priority of higher resource distribution, and when the follow-up priority orders distributed according to resource carries out frequency spectrum distribution, its service resources demand can preferentially meet.
Step 302, community to be allocated the highest for priority of resource allocation is set to cell of origin, COO, obtaining n (n the is positive integer) adjacent area, rank of cell of origin, COO, be designated as the non-cell of origin, COO that cell of origin, COO is corresponding, the non-cell of origin, COO for this cell of origin, COO and correspondence thereof distributes frequency spectrum resource.
The adjacent area, n rank of this cell of origin, COO is based on the neighboring BS relationship topology of this cell of origin, COO, has traveled through what all neighboring BS relationship of this cell of origin, COO obtained.
The non-cell of origin, COO that this cell of origin, COO is corresponding, for the 1st adjacent area, rank of described cell of origin, COO, the 2nd adjacent area, rank ..., n-th order adjacent area.
Assuming in Fig. 1 equal only one of which community under each eNB, for eNB6 as cell of origin, COO, its non-cell of origin, COO comprises 3 adjacent area, rank, i.e. n=3, particularly as follows:
1st adjacent area, rank: { eNB3, eNB4, eNB11, eNB12}
2nd adjacent area, rank: { eNB2, eNB7, eNB10, eNB14, eNB15, eNB16}
3rd adjacent area, rank: { eNB8, eNB5, eNB13}
N (n=3) adjacent area, rank of eNB6 is: { eNB3, eNB4, eNB11, eNB12, eNB2, eNB7, eNB10, eNB14, eNB15, eNB16, eNB8, eNB5, eNB13}.
Step 303, that estimates cell of origin, COO estimates service resources demand, for one section of continuous frequency spectrum corresponding within the scope of cell of origin, COO distribution system usable spectrum.
Alternatively, this community estimate service resources demand, can be in the average traffic channel resource up, descending of last adjustment cycle Nei Gai community, bigger average traffic channel resource value adds certain surplus, corresponding number of resources, in LTE system, described number of resources can be PRB number Nprb,request.This surplus can empirically be configured.
For cell of origin, COO distribute frequency spectrum, be system can frequency spectrum resource WavailableThe service resources demand N of middle distribution cell of origin, COOprb,requestCorresponding continuous print frequency spectrum Whenb；
Especially, when distributing frequency spectrum for cell of origin, COO, when the n rank Neighboring Cell List of cell of origin, COO be sky, in cell of origin, COO distribution system usable spectrum, the continuous print frequency spectrum that cell of origin, COO maximum bandwidth is corresponding.
Especially, for cell of origin, COO distribute frequency spectrum, when system can frequency spectrum resource WavailableDuring β times of the bandwidth of cell maximum more than in system, in cell of origin, COO distribution system usable spectrum, the continuous frequency spectrum that cell of origin, COO maximum bandwidth is corresponding.Wherein, this β is that in system, under base station, largest cell number adds 1.
Step 304, distributes the frequency spectrum of non-cell of origin, COO corresponding to described cell of origin, COO according to the frequency spectrum distributed for cell of origin, COO.When the even-order adjacent area that non-cell of origin, COO is cell of origin, COO, the frequency spectrum that non-cell of origin, COO is identical with cell of origin, COO employing；When the odd-order adjacent area that non-cell of origin, COO is cell of origin, COO, non-cell of origin, COO adopts frequency spectrum complementary with cell of origin, COO frequency spectrum in system usable spectrum.
When the community that adjacent area exponent number in the Guan Bi adjacent area set that non-cell of origin, COO is cell of origin, COO is maximum, and when the community that in the set of this Guan Bi adjacent area, adjacent area exponent number is maximum exists at least two, it is modified to the frequency spectrum of non-cell of origin, COO distribution.When revising the frequency spectrum of non-cell of origin, COO distribution, what obtain each community that in the set of described Guan Bi adjacent area, adjacent area exponent number is maximum estimates service resources demand, according in the set of Guan Bi adjacent area the maximum non-cell of origin, COO of adjacent area exponent number estimate service resources demand percentage, distribute non-cell of origin, COO allocated frequency spectrum.
The Guan Bi adjacent area set of cell of origin, COO is from described cell of origin, COO, is returned to this cell of origin, COO through path, minimum adjacent area, the set that all communities connected in the process are formed.
Specifically, when system can frequency spectrum resource be Wavailable, the frequency spectrum for cell of origin, COO distribution is WhenbTime, the frequency spectrum for the distribution of described non-cell of origin, COO is:
1) the non-cell of origin, COO not carrying out frequency spectrum distribution in n (n the is positive integer) adjacent area, rank of cell of origin, COO is selected to be allocated successively.Particularly as follows:
When the even-order adjacent area that non-cell of origin, COO is cell of origin, COO, the frequency spectrum distributed for non-cell of origin, COO is Whenb；When the odd-order adjacent area that non-cell of origin, COO is cell of origin, COO, the frequency spectrum distributed for non-cell of origin, COO is Wavailable-Whenb；
2) if not exponent number maximum community in adjacent area in the Guan Bi adjacent area set that cell of origin, COO is cell of origin, COO, and when the community that in the set of this Guan Bi adjacent area, adjacent area exponent number is maximum exists at least two, the frequency spectrum of described non-cell of origin, COO distribution is revised.Particularly as follows:
What obtain exponent number maximum non-cell of origin, COO in adjacent area in the set of described Guan Bi adjacent area estimates service resources demand, estimates service resources demand percentage α according to the maximum non-cell of origin, COO of adjacent area exponent number in the set of Guan Bi adjacent area1:α2:…:αkDistribute non-cell of origin, COO allocated frequency spectrum.Wherein, k is the number of the maximum non-cell of origin, COO of adjacent area exponent number in the set of Guan Bi adjacent area, and k is positive integer, α1+α2+…+αk=1.
When during adjacent area is gathered, maximum adjacent area exponent number is odd number, the frequency spectrum distributed for non-cell of origin, COO is αj·(Wavailable-Whenb), j=1,2 ..., k；When during adjacent area is gathered, maximum adjacent area exponent number is even number, the frequency spectrum distributed for non-cell of origin, COO is αj·Whenb, j=1,2 ..., k.
Consult Fig. 1, it is assumed that equal only one of which community under each eNB in Fig. 1, for eNB6:
The frequency spectrum that system is eNB6 distribution is Whenb, the frequency spectrum that system is the distribution of eNB6 odd-order adjacent area is Wavailable-Whenb, namely system is that { eNB3, eNB4, eNB11, { frequency spectrum of eNB8, eNB5, eNB13} distribution is W to adjacent area, eNB12} and the 3 rank in eNB6 the 1st adjacent area, rankavailable-Whenb；The frequency spectrum that system is the distribution of eNB6 even-order adjacent area is Whenb, namely system is that { frequency spectrum of eNB2, eNB7, eNB10, eNB14, eNB15, eNB16} distribution is W in eNB6 the 2nd adjacent area, rankhenb。
The Guan Bi adjacent area set of eNB6 has two, is { eNB6, eNB4, eNB7, eNB12} and { eNB6, eNB12, eNB15, eNB14, eNB11} respectively.
Wherein, Guan Bi adjacent area set { eNB6, eNB12, adjacent area exponent number maximum in eNB15, eNB14, eNB11} is 2, the community belonging to the 2nd adjacent area, rank in the set of described Guan Bi adjacent area has two, i.e. eNB14 and eNB15, then be modified for eNB14 and the eNB15 frequency spectrum distributed, it is assumed that the service resources demand percentage of estimating of eNB14 and eNB15 is α1:α2, α1+α2=1, in gathering due to this Guan Bi adjacent area, maximum adjacent area exponent number is even number, then the frequency spectrum for eNB14 distribution is α1·Whenb, the frequency spectrum for eNB15 distribution is α2·Whenb。
Especially, when the frequency spectrum distributed for cell of origin, COO is more than the maximum bandwidth of community, the frequency spectrum resource that distribution community maximum bandwidth is corresponding in the spectral range of distribution.
For the frequency spectrum non-overlapping copies that the non-cell of origin, COO of cell of origin, COO and correspondence thereof distributes, it is ensured that neighbor cell adopts the frequency spectrum resource of non-overlapping copies, effectively reduces the interference of minizone.Meanwhile, make use of the frequency spectrum resource of system substantially.
In embodiments of the present invention, determine the priority of resource allocation of community according to the history service resource requirement of each community, carry out frequency spectrum distribution according to priority of resource allocation order, preferentially meet the community that business demand is high.Estimate the business demand of community, meet its business demand and neighbor cell non-overlapping copies frequency spectrum resource for community distribution so that the frequency spectrum of distribution can meet the business demand of community, effectively reduces the interference of minizone simultaneously.When the cycle of adjustment arrives, repartition frequency spectrum according to business demand, adapt to the changeable of practical business demand.Adopt the method, the co-channel interference of minizone can be effectively reduced, it is ensured that the resource requirement of Zone channel, and maximizing utilizes the frequency spectrum resource of system.The frequency band non-overlapping copies of neighbor cell, significantly reduces the interference of Cell Edge User, and makes edge customer can use whole band resources of community, it is ensured that the performance of edge customer, improve the handling capacity of system.
Based on identical technical scheme, Fig. 4 illustrates a kind of resource assigned unit that the embodiment of the present invention provides, and this device can perform the flow process of resource distribution.
As shown in Figure 4, this device specifically includes:
Acquiring unit 401, for obtaining the history service resource information of scope of statistics Nei Ge community；
Determine unit 402, for the history service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
Described determine unit 402, be additionally operable to the priority of resource distribution according to described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；Described first community is the priority community more than first threshold of resource distribution, and described second community is the adjacent area, n rank of described first community, and n is positive integer；
Described acquiring unit 401, is additionally operable to obtain the service resources demand of estimating of described first community, and the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Allocation units 403, for estimating service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
Preferably, described allocation units 403 specifically for:
Estimate service resources demand according to described first community, in system available spectrum resources, estimate, for what described first community was distributed in described first community, the frequency spectrum that service resources demand is corresponding；Or,
If the n rank Neighboring Cell List of described first community is empty, be frequency spectrum corresponding to the maximum bandwidth of described first described first community of distribution, community in system available spectrum resources；Or,
If system can frequency spectrum resource more than Second Threshold time, be described first community frequency spectrum corresponding to maximum bandwidth that distribute described first community in system available spectrum resources.
Preferably, described allocation units 403 specifically for:
If the even-order adjacent area that described second community is described first community, it is that the frequency spectrum identical with the frequency spectrum of described first community is distributed in described second community in system available spectrum resources；Or
If the odd-order adjacent area that described second community is described first community, it is that remaining frequency spectrum in described system available spectrum resources is distributed in described second community in system available spectrum resources, in described system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource in described system available spectrum resources except the frequency spectrum distributing to described first community, it may also be said to be that this second community adopts frequency spectrum complementary with the frequency spectrum of this first community in system available spectrum resources.
Preferably, described allocation units 403 are additionally operable to:
If the community that in the Guan Bi adjacent area set that described second community is described first community, adjacent area exponent number is maximum, and in the set of described Guan Bi adjacent area the number of the community that adjacent area exponent number is maximum more than 1, revise the frequency spectrum of described second community distribution, the set of described Guan Bi adjacent area is for from described first community, described first community, the set that passed community is formed is returned to through path, minimum adjacent area.
Preferably, described allocation units 403 specifically for:
What obtain maximum each second community of described adjacent area exponent number estimates service resources demand, in gathering according to described Guan Bi adjacent area maximum each second community of adjacent area exponent number estimate service resources demand percentage, for the frequency spectrum that described each second community distribution is different.
Preferably, described determine unit 402, be additionally operable to:
After described allocation units 403 distribute the frequency spectrum of described second community, if described scope of statistics Nei Ge community also includes the 3rd community, the priority that described 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community；
Then using arbitrary community in described 3rd community as described first community, and notifying that described acquiring unit 401 obtains the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；Service resources demand is estimated, to described first community distribution frequency spectrum according to described first community；So that the frequency spectrum that described allocation units 403 are according to described first community distribution, distributing the frequency spectrum of described second community, described second community is the adjacent area, n rank of described first community, and n is positive integer.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. the method for a resource distribution, it is characterised in that including:
Obtain the history service resource information of scope of statistics Nei Ge community；
History service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
The priority of the resource distribution according to described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；Described first community is the priority community more than first threshold of resource distribution, and described second community is the adjacent area, n rank of described first community, and n is positive integer；
Obtaining the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Service resources demand is estimated, to described first community distribution frequency spectrum according to described first community；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
2. the method for claim 1, it is characterised in that described to described first community distribution frequency spectrum, including:
Estimate service resources demand according to described first community, in system available spectrum resources, estimate, for what described first community was distributed in described first community, the frequency spectrum that service resources demand is corresponding；Or,
If the n rank Neighboring Cell List of described first community is empty, be frequency spectrum corresponding to the maximum bandwidth of described first described first community of distribution, community in system available spectrum resources；Or,
If system available spectrum resources is more than Second Threshold, it is described first community frequency spectrum corresponding to maximum bandwidth that distribute described first community in system available spectrum resources.
3. the method for claim 1, it is characterised in that the frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community, including:
If the even-order adjacent area that described second community is described first community, it is that the frequency spectrum identical with the frequency spectrum of described first community is distributed in described second community in system available spectrum resources；Or
If the odd-order adjacent area that described second community is described first community, being that remaining frequency spectrum in described system available spectrum resources is distributed in described second community in system available spectrum resources, in described system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource in described system available spectrum resources except the frequency spectrum distributing to described first community.
4. method as claimed in claim 3, it is characterized in that, if the community that in the Guan Bi adjacent area set that described second community is described first community, adjacent area exponent number is maximum, and in the set of described Guan Bi adjacent area the number of the community that adjacent area exponent number is maximum more than 1, revise the frequency spectrum of described second community distribution, the set of described Guan Bi adjacent area for from described first community, returning to described first community, the set that passed community is formed through path, minimum adjacent area.
5. method as claimed in claim 4, it is characterised in that the frequency spectrum of the described second community distribution of described correction, including:
What obtain each second community that in the set of described Guan Bi adjacent area, adjacent area exponent number is maximum estimates service resources demand, in gathering according to described Guan Bi adjacent area maximum each second community of adjacent area exponent number estimate service resources demand percentage, for the frequency spectrum that described each second community distribution is different.
6. the method as described in any one of claim 1 to 5, it is characterised in that after distributing the frequency spectrum of described second community, also include:
If described scope of statistics Nei Ge community also includes the 3rd community, the priority that described 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community；
Then arbitrary community in described 3rd community, as described first community, is repeated:
Obtaining the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Service resources demand is estimated, to described first community distribution frequency spectrum according to described first community；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community, and described second community is the adjacent area, n rank of described first community, and n is positive integer.
7. a resource assigned unit, it is characterised in that including:
Acquiring unit, for obtaining the history service resource information of scope of statistics Nei Ge community；
Determine unit, for the history service resource information according to described each community, it is determined that the priority of the resource distribution of current period Nei Ge community；
Described determine unit, be additionally operable to the priority of resource distribution according to described current period Nei Ge community and the neighboring BS relationship of each community, it is determined that the first community and the second community；Described first community is the priority community more than first threshold of resource distribution, and described second community is the adjacent area, n rank of described first community, and n is positive integer；
Described acquiring unit, is additionally operable to obtain the service resources demand of estimating of described first community, and the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；
Allocation units, for estimating service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community.
8. device as claimed in claim 7, it is characterised in that described allocation units specifically for:
Estimate service resources demand according to described first community, in system available spectrum resources, estimate, for what described first community was distributed in described first community, the frequency spectrum that service resources demand is corresponding；Or,
If the n rank Neighboring Cell List of described first community is empty, be frequency spectrum corresponding to the maximum bandwidth of described first described first community of distribution, community in system available spectrum resources；Or,
If system can frequency spectrum resource more than Second Threshold time, be described first community frequency spectrum corresponding to maximum bandwidth that distribute described first community in system available spectrum resources.
9. device as claimed in claim 7, it is characterised in that described allocation units specifically for:
If the even-order adjacent area that described second community is described first community, it is that the frequency spectrum identical with the frequency spectrum of described first community is distributed in described second community in system available spectrum resources；Or
If the odd-order adjacent area that described second community is described first community, being that remaining frequency spectrum in described system available spectrum resources is distributed in described second community in system available spectrum resources, in described system available spectrum resources, remaining frequency spectrum is the frequency spectrum resource in described system available spectrum resources except the frequency spectrum distributing to described first community.
10. device as claimed in claim 9, it is characterised in that described allocation units are additionally operable to:
If the community that in the Guan Bi adjacent area set that described second community is described first community, adjacent area exponent number is maximum, and in the set of described Guan Bi adjacent area the number of the community that adjacent area exponent number is maximum more than 1, revise the frequency spectrum of described second community distribution, the set of described Guan Bi adjacent area is for from described first community, described first community, the set that passed community is formed is returned to through path, minimum adjacent area.
11. device as claimed in claim 10, it is characterised in that described allocation units specifically for:
What obtain maximum each second community of described adjacent area exponent number estimates service resources demand, in gathering according to described Guan Bi adjacent area maximum each second community of adjacent area exponent number estimate service resources demand percentage, for the frequency spectrum that described each second community distribution is different.
12. the device as described in any one of claim 7 to 11, it is characterised in that described determine unit, it is additionally operable to:
After described allocation units distribute the frequency spectrum of described second community, if described scope of statistics Nei Ge community also includes the 3rd community, the priority that described 3rd community is resource distribution is not more than described first threshold and is not belonging to the adjacent area, n rank of described first community；
Then using arbitrary community in described 3rd community as described first community, and notifying that described acquiring unit obtains the service resources demand of estimating of described first community, the service resources demand of estimating of described first community is determined according to the history service resource information of described first community；So that described allocation units estimate service resources demand according to described first community, to described first community distribution frequency spectrum；Frequency spectrum according to described first community distribution, distributes the frequency spectrum of described second community, and described second community is the adjacent area, n rank of described first community, and n is positive integer.
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