CN104968051A - Cell broadband up link resource distribution method and apparatus - Google Patents
Cell broadband up link resource distribution method and apparatus Download PDFInfo
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- CN104968051A CN104968051A CN201510276501.7A CN201510276501A CN104968051A CN 104968051 A CN104968051 A CN 104968051A CN 201510276501 A CN201510276501 A CN 201510276501A CN 104968051 A CN104968051 A CN 104968051A
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- H04W72/20—Control channels or signalling for resource management
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Abstract
The embodiment of the invention provides a cell broadband up link resource distribution method and apparatus. A cell possesses a corresponding PCI (Physical Cell Identifier). The method comprises: loading a plurality of preset resource distribution strategies; determining a RB (Resource Block) to be distributed; calculating a first characteristic value of the PCI, the first characteristic value being a remainder when 3 is divided by the PCI; and employing the plurality of resource distribution strategies to distribute the RB to be distributed according to the first characteristic value. The cell broadband up link resource distribution method and apparatus can effectively avoid the interference between adjacent cells and increase a resource utilization rate.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of resource allocation methods of partial wideband up link and a kind of resource allocation device of partial wideband up link.
Background technology
LTE (Long Term Evolution, Long Term Evolution) be by 3GPP (The 3rd GenerationPartnership Project, third generation partner program) UMTS (the UniversalMobile Telecommunications System that organizes to set up, universal mobile telecommunications system) Long Term Evolution of technical standard, significantly increase spectrum efficiency and message transmission rate.
The frequency of LTE network is limited, normally adopts identical networking mode to form a whole network between different districts.Because different communities uses identical frequency, particularly for up link, very easily produce interference.
In first technology, the following resource of two kinds of modes to up link is usually adopted to distribute:
A kind of mode is, the Resourse Distribute of each community is from fixing Resource Block (Resource Block, RB) position starts to distribute, as distributed from small to large from RB0 position, for 3 communities A, B and C, Dou CongRB0 position, A, B and C community starts as user distributes continuous print Resource Block, and the resource utilization of this resource distribution mode is high, but easily causes the user between different districts to produce interference.
Another kind of mode is, by detecting the disturbed condition of each Resource Block RB in last cycle, and according to thresholding allocation level, prioritizing selection disturbs minimum RB to distribute, although this resource distribution mode can reduce interference as much as possible, the wasting of resources, reduce data transmission efficiency.For 20M bandwidth, 100 RB, for user 1 and user 2, priority allocation disturbs minimum RB10 ~ RB19 and RB60 ~ RB69 respectively, if now user 3 has a large amount of data to transmit, needs to use remaining 80 RB, because the Resource Block distributed for user in LTE needs continuous print, therefore, this allocative decision can only distribute these 40 RB of RB20 ~ RB59 for user 3, and remaining RB cannot distribute to user 3, cause resource to make full use of, reduce the efficiency of transmission of data.
Summary of the invention
In view of the above problems, the embodiment of the present invention is proposed to provide a kind of overcoming the problems referred to above or a kind of resource allocation methods of partial wideband up link solved the problem at least in part and the resource allocation device of corresponding a kind of partial wideband up link.
In order to solve the problem, the embodiment of the invention discloses a kind of resource allocation methods of partial wideband up link, it is characterized in that, described community has corresponding Physical Cell Identifier PCI, and described method comprises:
Load preset multiple resource allocation policies;
Determine Resource Block RB to be allocated;
Calculate the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
According to described the First Eigenvalue, described multiple resource allocation policy is adopted to distribute described Resource Block RB to be allocated.
Preferably, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
Preferably, described according to described the First Eigenvalue, the step adopting described multiple resource allocation policy to distribute described Resource Block RB to be allocated comprises:
Described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy is adopted to distribute described Resource Block RB to be allocated; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
Preferably, described community has system frame number SFN, and described method also comprises:
Calculate the Second Eigenvalue of described system frame number SFN; Described Second Eigenvalue is the remainder of described system frame number SFN divided by N+2;
For different described default initial resource block RB, described information resources allocation strategy is divided into the sub-allocation strategy of one or more resource;
According to described the First Eigenvalue and described Second Eigenvalue, described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource is adopted to distribute described Resource Block RB to be allocated.
Preferably, described according to described the First Eigenvalue and described Second Eigenvalue, the step adopting described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated comprises:
Along with the change of described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
The embodiment of the invention also discloses a kind of resource allocation device of partial wideband up link, it is characterized in that, described community has corresponding Physical Cell Identifier PCI, and described device comprises:
Resource allocation policy load-on module, for loading preset multiple resource allocation policies;
Resource Block RB determination module to be allocated, for determining Resource Block RB to be allocated;
The First Eigenvalue computing module, for calculating the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
First Resource Block RB distribution module to be allocated, for according to described the First Eigenvalue, adopts described multiple resource allocation policy to distribute described Resource Block RB to be allocated.
Preferably, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
Preferably, described first Resource Block RB distribution module to be allocated comprises:
First Resource Block RB distribution sub module to be allocated, distributes described Resource Block RB to be allocated for adopting described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
Preferably, described community has system frame number SFN, and described device also comprises:
Second Eigenvalue computing module, for calculating the Second Eigenvalue of described system frame number SFN; Described Second Eigenvalue is the remainder of described system frame number SFN divided by N+2;
Information resources allocation strategy divides module, for for different described default initial resource block RB, described information resources allocation strategy is divided into the sub-allocation strategy of one or more resource;
Second Resource Block RB distribution module to be allocated, for according to described the First Eigenvalue and described Second Eigenvalue, described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource is adopted to distribute described Resource Block RB to be allocated.
Preferably, described second Resource Block RB distribution module to be allocated comprises:
Second Resource Block RB distribution sub module to be allocated, for the change along with described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
The embodiment of the present invention comprises following advantage:
The embodiment of the present invention is by loading preset multiple resource allocation policies, the First Eigenvalue of Computational Physics cell ID PCI, preset multiple resource allocation policies are adopted to distribute Resource Block RB to be allocated according to the First Eigenvalue, for the community that the First Eigenvalue is different, adopt different resource allocation policies, avoid neighbor cell to distribute identical Resource Block simultaneously, effectively prevent the interference problem between neighbor cell, simultaneously, because different allocation strategy is from the original allocation Resource Block preset, Resource Block to be allocated is distributed according to the assign direction of setting, Resource Block to be allocated can be effectively utilized, avoid the defect that the resource utilization of distribution from the Resource Block that interference is minimum in first technology is not high.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the resource allocation methods embodiment 1 of a kind of partial wideband up link of the present invention;
Fig. 2 is the flow chart of steps of the resource allocation methods embodiment 2 of a kind of partial wideband up link of the present invention;
Fig. 3 is the structured flowchart of the resource allocation device embodiment 1 of a kind of partial wideband up link of the present invention;
Fig. 4 is the structured flowchart of the resource allocation device embodiment 2 of a kind of partial wideband up link of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
One of core idea of the embodiment of the present invention is, the embodiment of the present invention is by loading preset multiple resource allocation policies, the First Eigenvalue of Computational Physics cell ID PCI, preset multiple resource allocation policies are adopted to distribute Resource Block RB to be allocated according to the First Eigenvalue, for the community that the First Eigenvalue is different, adopt different resource allocation policies, avoid neighbor cell to distribute identical Resource Block simultaneously, effectively prevent the interference problem between neighbor cell, simultaneously, because different allocation strategy is from the original allocation Resource Block preset, Resource Block to be allocated is distributed according to the assign direction of setting, Resource Block to be allocated can be effectively utilized, avoid the defect that the resource utilization of distribution from the Resource Block that interference is minimum in first technology is not high.
With reference to Fig. 1, show the flow chart of steps of the resource allocation methods embodiment 1 of a kind of partial wideband up link of the present invention, specifically can comprise the steps:
Step 101, loads preset multiple resource allocation policies;
Step 102, determines Resource Block RB to be allocated;
Partial wideband adopts the mode of identical networking usually, the Resource Block (Resource Block, RB) that each partial wideband can use is limited, if in adjacent community for user distribute identical Resource Block RB time, can interference be there is, cause signal normally to receive and dispatch.
In order to prevent the interference between neighbor cell, the embodiment of the present invention can preset multiple resource allocation policy, needs to treat Resources allocation block RB when distributing, can load preset multiple resource allocation policies.
In LTE system, generally include 5MHz, 10MHz, the partial wideband of 15MHz and 20MHz type, dissimilar partial wideband has the Resource Block RB to be allocated of different number, the embodiment of the present invention is by knowing the type of partial wideband, Resource Block RB to be allocated can be determined, for 20MHz partial wideband, when knowing that broadband, current area is 20MHz partial wideband, can determine that this partial wideband has 100 Resource Block RB to be allocated, be respectively RB0 ~ RB99, for 5MHz, 10MHz, 15MHz partial wideband, also Resource Block RB to be allocated can be determined by same method.
In one preferred embodiment of the invention, preset multiple resource allocation policies can comprise first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy.
Wherein, first resource allocation strategy can from Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large, for 20MHz partial wideband, first resource allocation strategy from RB0, can distribute Resource Block RB (namely distributing RB0 ~ RB99) to be allocated to RB99.
Secondary resource allocation strategy can from Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small, for 20MHz partial wideband, Secondary resource allocation strategy from RB99, can distribute Resource Block RB to be allocated to RB0.
Information resources allocation strategy can from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, such as, for 20MHz partial wideband, if presetting initial resource block RB is RB50, information resources allocation strategy can first distribute from RB50 to RB99, after distributing RB50 ~ RB99, distribute from RB50 to RB0 again, or, first distribute from RB50 to RB0, after distributing RB50 ~ RB0, then distribute from RB50 to RB99.
Preset initial resource block RB can determine in the following manner:
First determine one be greater than 0 Integer N, N can determine arbitrarily, and such as, N can be 1, also can be 2, can also be other values, the value of N be larger, the complexity of process is higher, during concentration degree height for the Resource Block RB be disturbed, can get higher value to N.
Information resources allocation strategy can comprise N number of default initial resource block RB, such as, when N is 1, has 1 default initial resource block RB, when N is 2, has 2 default initial resource block RB.
The start sequence number presetting initial resource block RB can calculate acquisition by through type P × (M+1) ÷ (N+1), and wherein, M can be the maximum of the sequence number of Resource Block RB to be allocated, and the value of P is 1 ~ N.
For 20MHz partial wideband, M value is 99, as N=1, the value of P is 1, the start sequence number so presetting initial resource block RB is 1 × (99+1) ÷ (1+1)=50, namely presetting initial resource block RB is RB50, as N=2, the value of P is 1,2, the start sequence number so presetting initial resource block RB is respectively 1 × (99+1) ÷ (2+1)=33 and 2 × (99+1) ÷ (2+1)=66, and namely 2 default initial resource block RB are respectively RB33 and RB66.
It should be noted that, those skilled in the art also can other resource allocation policy preset according to actual needs, and the embodiment of the present invention is not restricted this.
Step 103, calculates the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
In embodiments of the present invention; LTE partial wideband, when carrying out networking, can be each cell allocation Physical Cell Identifier (Physical Cell Identifier, PCI) usually; in order to identify the wireless signal of different districts, the Physical Cell Identifier PCI that LTE network provides has 504.
The embodiment of the present invention can the First Eigenvalue of Computational Physics cell ID PCI, the First Eigenvalue is, Physical Cell Identifier PCI divided by 3 remainder, the mould 3 that the First Eigenvalue is actually Physical Cell Identifier PCI is worth PCI mod3, when distributing Physical Cell Identifier PCI, usually need to guarantee that the PCI mod3 between neighbor cell is unequal, thus, the First Eigenvalue of the neighbor cell calculated is unequal.
Due to the First Eigenvalue be Physical Cell Identifier PCI divided by 3 remainder, the First Eigenvalue of trying to achieve can comprise 0,1 and 2.
Step 104, according to described the First Eigenvalue, adopts described multiple resource allocation policy to distribute described Resource Block RB to be allocated.
The embodiment of the present invention can, according to calculating the First Eigenvalue obtained, adopt preset multiple resource allocation policies to distribute Resource Block RB to be allocated.
In a preferred embodiment of the invention, step 104 can comprise following sub-step:
Sub-step 1041, adopts described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy to distribute described Resource Block RB to be allocated; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
When adopting first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy to distribute Resource Block RB to be allocated, as long as guarantee that the resource allocation policy that the different community of the First Eigenvalue adopts is different.
For 20MHz partial wideband, N gets 1, and the concrete method of salary distribution of Resource Block RB to be allocated is as follows:
The method of salary distribution one: be the community of 0 for the First Eigenvalue, adopts resource allocation policy one, distributes RB0 ~ RB99 Resource Block from RB0 to RB99; Be the community of 1 for the First Eigenvalue, adopt resource allocation policy two, distribute RB0 ~ RB99 Resource Block from RB99 to RB0; Be the community of 2 for the First Eigenvalue, adopt resource allocation policy three, first from RB50 to RB99, then RB0 ~ RB99 Resource Block can be distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0 ~ RB99 Resource Block from RB50 to RB99.
The method of salary distribution two: be the community of 0 for the First Eigenvalue, adopts resource allocation policy two, distributes RB0 ~ RB99 Resource Block from RB99 to RB0; Be the community of 1 for the First Eigenvalue, adopt resource allocation policy three, first from RB50 to RB99, then RB0 ~ RB99 Resource Block can be distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0 ~ RB99 Resource Block from RB50 to RB99; Be the community of 2 for the First Eigenvalue, adopt resource allocation policy one, distribute RB0 ~ RB99 Resource Block from RB0 to RB99.
The method of salary distribution three: be the community of 0 for the First Eigenvalue, adopt resource allocation policy three, first from RB50 to RB99, then RB0 ~ RB99 Resource Block can be distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0 ~ RB99 Resource Block from RB50 to RB99; Be the community of 1 for the First Eigenvalue, adopt resource allocation policy one, distribute RB0 ~ RB99 Resource Block from RB0 to RB99; Be the community of 2 for the First Eigenvalue, adopt resource allocation policy two, distribute RB0 ~ RB99 Resource Block from RB99 to RB0.
The embodiment of the present invention is by loading preset multiple resource allocation policies, the First Eigenvalue of Computational Physics cell ID PCI, preset multiple resource allocation policies are adopted to distribute Resource Block RB to be allocated according to the First Eigenvalue, for the community that the First Eigenvalue is different, adopt different resource allocation policies, avoid neighbor cell to distribute identical Resource Block simultaneously, effectively prevent the interference problem between neighbor cell, simultaneously, because different allocation strategy is from the original allocation Resource Block preset, Resource Block to be allocated is distributed according to the assign direction of setting, Resource Block to be allocated can be effectively utilized, avoid the defect that the resource utilization of distribution from the Resource Block that interference is minimum in first technology is not high.
With reference to Fig. 2, show the flow chart of steps of the resource allocation methods embodiment 2 of a kind of partial wideband up link of the present invention, specifically can comprise the steps:
Step 201, loads preset multiple resource allocation policies;
Step 202, determines Resource Block RB to be allocated;
The embodiment of the present invention can preset multiple resource allocation policy, when needing the distribution carrying out Resource Block RB, can load preset multiple resource allocation policies.
In LTE system, generally include 5MHz, 10MHz, the partial wideband of 15MHz and 20MHz type, dissimilar partial wideband has the Resource Block RB to be allocated of different number, the embodiment of the present invention is by knowing the type of partial wideband, Resource Block RB to be allocated can be determined, for 20MHz partial wideband, when knowing that broadband, current area is 20MHz partial wideband, can determine that this partial wideband has 100 Resource Block RB to be allocated, be respectively RB0 ~ RB99, for 5MHz, 10MHz, 15MHz partial wideband, also Resource Block RB to be allocated can be determined by same method.
Preset multiple resource allocation policies can comprise first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy.
Wherein, first resource allocation strategy can from Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large.
Secondary resource allocation strategy can from Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small.
Information resources allocation strategy can from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small.
Step 203, calculates the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
In embodiments of the present invention; LTE partial wideband, when carrying out networking, can be each cell allocation Physical Cell Identifier (Physical Cell Identifier, PCI) usually; in order to identify the wireless signal of different districts, the Physical Cell Identifier PCI that LTE network provides has 504.
The embodiment of the present invention can the First Eigenvalue of Computational Physics cell ID PCI, the First Eigenvalue is, Physical Cell Identifier PCI divided by 3 remainder, the mould 3 that the First Eigenvalue is actually Physical Cell Identifier PCI is worth PCI mod3, when distributing Physical Cell Identifier PCI, usually need to guarantee that the PCI mod3 between neighbor cell is unequal, thus, the First Eigenvalue of the neighbor cell calculated is unequal.
Due to the First Eigenvalue be Physical Cell Identifier PCI divided by 3 remainder, the First Eigenvalue of trying to achieve can comprise 0,1 and 2.
After calculating obtains the First Eigenvalue, a kind of way that the embodiment of the present invention can be taked adopts first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy to distribute Resource Block RB to be allocated; Wherein, the resource allocation policy that the different community of the First Eigenvalue adopts is different, and this kind of way is the consideration based on frequency domain, for the community that the First Eigenvalue is different, adopts different resource allocation policies, to prevent the interference between neighbor cell.
The distribution method of above-mentioned Resource Block is on different time points, the distribution of local resource block is relatively solidified, when the data volume of community transmission is large, in order to ensure the equalization of resource block assignments, make the distribution of Resource Block more reasonable, the embodiment of the present invention can also take in time domain, is combined by frequency-domain and time-domain in resource block assignments process, then the embodiment of the present invention can also comprise the following steps:
Step 204, calculates the Second Eigenvalue of described system frame number SFN;
In the lte networks, community has System Frame Number (System Frame Number, SFN), and system frame number SFN can represent 0 ~ 1023 different time point.
On certain time point, the system frame number SFN of the different districts in same partial wideband is identical, and the initial value of system frame number SFN is 0, at next time point, namely often cross 10ms, system frame number SFN can add 1 automatically, until 1023, then again from 0, go round and begin again.
The embodiment of the present invention can the Second Eigenvalue of computing system frame number SFN, Second Eigenvalue is the remainder of system frame number SFN divided by N+2, such as, when N value 1, Second Eigenvalue be system frame number SFN divided by 3 remainder, now, Second Eigenvalue can comprise 0,1 and 2, when N value 2, Second Eigenvalue be system frame number SFN divided by 4 remainder, now, Second Eigenvalue can comprise 0,1,2 and 3.
Step 205, for different described default initial resource block RB, is divided into the sub-allocation strategy of one or more resource by described information resources allocation strategy;
In embodiments of the present invention, N be greater than arbitrarily 0 integer, when N value 1, information resources allocation strategy comprises 1 default initial resource block RB, now, information resources allocation strategy is divided into 1 resource allocation policy, when N value 2, information resources allocation strategy comprises 2 default initial resource block RB, now, information resources allocation strategy is divided into 2 resource allocation policies, that is, by for different described default initial resource block RB, information resources allocation strategy is divided into N number of resource allocation policy.
Step 206, according to described the First Eigenvalue and described Second Eigenvalue, adopts first resource allocation strategy, Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated.
The embodiment of the present invention can, comprehensively according to the First Eigenvalue and Second Eigenvalue, adopt first resource allocation strategy, Secondary resource allocation strategy and the sub-allocation strategy of one or more resource to distribute Resource Block RB to be allocated.
In one preferred embodiment of the invention, step 206 can comprise following sub-step:
Sub-step 2061, along with the change of described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
In embodiments of the present invention, along with the change of time point, Second Eigenvalue is and then change also, in the process that Second Eigenvalue constantly changes, the embodiment of the present invention can circulate to same community employing first resource allocation strategy, Secondary resource allocation strategy and the sub-allocation strategy of one or more resource distribute Resource Block RB to be allocated, in the process of Resourse Distribute, first resource allocation strategy and Secondary resource allocation strategy need to adopt simultaneously, simultaneously, for any one Second Eigenvalue, the resource allocation policy that the different community of the First Eigenvalue adopts is different.
Be further described with concrete example below:
For 20MHz partial wideband, suppose N value 1, now, information resources allocation strategy comprises 1 default initial resource block RB, is RB50, this information resources allocation strategy is divided into resource allocation policy A:
When Second Eigenvalue is 0, is the community of 0 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99; Be the community of 1 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0; Be the community of 1 to the First Eigenvalue, resource allocation policy A can be adopted, first by RB50 to RB0, then distribute Resource Block RB to be allocated by RB50 to RB99.
When Second Eigenvalue is 1, is the community of 0 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0; Be the community of 1 to the First Eigenvalue, resource allocation policy A can be adopted, first by RB50 to RB0, then distribute Resource Block RB to be allocated by RB50 to RB99; Be the community of 1 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99.
When Second Eigenvalue is 2, is the community of 0 to the First Eigenvalue, resource allocation policy A can be adopted, first by RB50 to RB0, then distribute Resource Block RB to be allocated by RB50 to RB99; Be the community of 1 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99; Be the community of 1 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0.
Suppose N value 2, now, information resources allocation strategy comprises 2 default initial resource block RB, is respectively RB33 and RB66, this information resources allocation strategy is divided into resource allocation policy A1 and resource allocation policy A2:
When Second Eigenvalue is 0, is the community of 0 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99; Be the community of 1 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0; Be the community of 1 to the First Eigenvalue, resource allocation policy A1 can be adopted, first by RB33 to RB0, then distribute Resource Block RB to be allocated by RB33 to RB99.
When Second Eigenvalue is 1, is the community of 0 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0; Be the community of 1 to the First Eigenvalue, resource allocation policy A2 can be adopted, first by RB66 to RB0, then distribute Resource Block RB to be allocated by RB66 to RB99; Be the community of 1 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99.
When Second Eigenvalue is 2, is the community of 0 to the First Eigenvalue, resource allocation policy A1 can be adopted, first by RB33 to RB0, then distribute Resource Block RB to be allocated by RB33 to RB99; Be the community of 1 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99; Be the community of 2 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0.
When Second Eigenvalue is 3, is the community of 0 to the First Eigenvalue, the first allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB0 to RB99; Be the community of 1 to the First Eigenvalue, the second allocation strategy can be adopted, distribute Resource Block RB to be allocated by RB99 to RB0; Be the community of 1 to the First Eigenvalue, resource allocation policy A2 can be adopted, first by RB66 to RB0, then distribute Resource Block RB to be allocated by RB66 to RB99.
The embodiment of the present invention is for have similarity with embodiment of the method 1, and not detailed part can refer to the relevant portion of embodiment of the method 1.
It should be noted that, for embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not by the restriction of described sequence of movement, because according to the embodiment of the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action might not be that the embodiment of the present invention is necessary.
With reference to Fig. 3, show the structured flowchart of the resource allocation device embodiment 1 of a kind of partial wideband up link of the present invention, wherein, described community has corresponding Physical Cell Identifier PCI, and described device comprises:
Resource allocation policy load-on module 301, for loading preset multiple resource allocation policies;
Resource Block RB determination module 302 to be allocated, for determining Resource Block RB to be allocated;
The First Eigenvalue computing module 303, for calculating the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
First Resource Block RB distribution module 304 to be allocated, for according to described the First Eigenvalue, adopts described multiple resource allocation policy to distribute described Resource Block RB to be allocated.
In one preferred embodiment of the invention, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
In one preferred embodiment of the invention, described first Resource Block RB distribution module 304 to be allocated comprises:
First Resource Block RB distribution sub module 3041 to be allocated, distributes described Resource Block RB to be allocated for adopting described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
With reference to Fig. 4, show the structured flowchart of the resource allocation device embodiment 2 of a kind of partial wideband up link of the present invention, wherein, described community has corresponding Physical Cell Identifier PCI and system frame number SFN, and described device comprises:
Resource allocation policy load-on module 401, for loading preset multiple resource allocation policies;
Resource Block RB determination module 402 to be allocated, for determining Resource Block RB to be allocated;
In one preferred embodiment of the invention, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
The First Eigenvalue computing module 403, for calculating the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
Second Eigenvalue computing module 404, for calculating the Second Eigenvalue of described system frame number SFN; Described Second Eigenvalue is the remainder of described system frame number SFN divided by N+2;
Information resources allocation strategy divides module 405, for for different described default initial resource block RB, described information resources allocation strategy is divided into the sub-allocation strategy of one or more resource;
Second Resource Block RB distribution module 406 to be allocated, for according to described the First Eigenvalue and described Second Eigenvalue, described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource is adopted to distribute described Resource Block RB to be allocated.
In one preferred embodiment of the invention, described second Resource Block RB distribution module 406 to be allocated comprises:
Second Resource Block RB distribution sub module 4061 to be allocated, for the change along with described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the embodiment of the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The embodiment of the present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, terminal equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, making the instruction performed by the processor of computer or other programmable data processing terminal equipment produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing terminal equipment, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to perform sequence of operations step to produce computer implemented process on computer or other programmable terminal equipment, thus the instruction performed on computer or other programmable terminal equipment is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.
Above to the resource allocation methods of a kind of partial wideband up link provided by the present invention and a kind of resource allocation device of partial wideband up link, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a resource allocation methods for partial wideband up link, is characterized in that, described community has corresponding Physical Cell Identifier PCI, and described method comprises:
Load preset multiple resource allocation policies;
Determine Resource Block RB to be allocated;
Calculate the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
According to described the First Eigenvalue, described multiple resource allocation policy is adopted to distribute described Resource Block RB to be allocated.
2. method according to claim 1, is characterized in that, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
3. method according to claim 2, is characterized in that, described according to described the First Eigenvalue, and the step adopting described multiple resource allocation policy to distribute described Resource Block RB to be allocated comprises:
Described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy is adopted to distribute described Resource Block RB to be allocated; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
4. according to the method in claim 2 or 3, it is characterized in that, described community has system frame number SFN, and described method also comprises:
Calculate the Second Eigenvalue of described system frame number SFN; Described Second Eigenvalue is the remainder of described system frame number SFN divided by N+2;
For different described default initial resource block RB, described information resources allocation strategy is divided into the sub-allocation strategy of one or more resource;
According to described the First Eigenvalue and described Second Eigenvalue, described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource is adopted to distribute described Resource Block RB to be allocated.
5. method according to claim 4, it is characterized in that, described according to described the First Eigenvalue and described Second Eigenvalue, the step adopting described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated comprises:
Along with the change of described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
6. a resource allocation device for partial wideband up link, is characterized in that, described community has corresponding Physical Cell Identifier PCI, and described device comprises:
Resource allocation policy load-on module, for loading preset multiple resource allocation policies;
Resource Block RB determination module to be allocated, for determining Resource Block RB to be allocated;
The First Eigenvalue computing module, for calculating the First Eigenvalue of described Physical Cell Identifier PCI; Described the First Eigenvalue be described Physical Cell Identifier PCI divided by 3 remainder;
First Resource Block RB distribution module to be allocated, for according to described the First Eigenvalue, adopts described multiple resource allocation policy to distribute described Resource Block RB to be allocated.
7. device according to claim 6, is characterized in that, described multiple resource allocation policy comprises first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy; Described first resource allocation strategy for from described Resource Block RB to be allocated sequence number least resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from small to large; Described Secondary resource allocation strategy for from described Resource Block RB to be allocated sequence number maximum resource block RB, according to Resource Block RB to be allocated described in sequence number order-assigned from big to small; Described information resources allocation strategy is for from default initial resource block RB, according to sequence number first from small to large or first Resource Block RB to be allocated described in order-assigned from big to small more from small to large more from big to small, described default initial resource block RB comprises N number of Resource Block RB, the start sequence number of described N number of Resource Block RB is P × (M+1) ÷ (N+1), wherein, N presets the integer being greater than 0, and M is the maximum of the sequence number of described Resource Block RB to be allocated, and the value of P is 1 ~ N.
8. device according to claim 7, is characterized in that, described first Resource Block RB distribution module to be allocated comprises:
First Resource Block RB distribution sub module to be allocated, distributes described Resource Block RB to be allocated for adopting described first resource allocation strategy, described Secondary resource allocation strategy and described information resources allocation strategy; Wherein, the resource allocation policy that the community that described the First Eigenvalue is different adopts is different.
9. the device according to claim 7 or 8, is characterized in that, described community has system frame number SFN, and described device also comprises:
Second Eigenvalue computing module, for calculating the Second Eigenvalue of described system frame number SFN; Described Second Eigenvalue is the remainder of described system frame number SFN divided by N+2;
Information resources allocation strategy divides module, for for different described default initial resource block RB, described information resources allocation strategy is divided into the sub-allocation strategy of one or more resource;
Second Resource Block RB distribution module to be allocated, for according to described the First Eigenvalue and described Second Eigenvalue, described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource is adopted to distribute described Resource Block RB to be allocated.
10. device according to claim 9, is characterized in that, described second Resource Block RB distribution module to be allocated comprises:
Second Resource Block RB distribution sub module to be allocated, for the change along with described Second Eigenvalue, circulation adopts described first resource allocation strategy, described Secondary resource allocation strategy and the sub-allocation strategy of described one or more resource to distribute described Resource Block RB to be allocated to same community, and, described first resource allocation strategy and described Secondary resource allocation strategy adopt simultaneously, under Second Eigenvalue described in any one, the resource allocation policy that the different community of described the First Eigenvalue adopts is different.
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