CN102547727B - Frequency band distribution method and device - Google Patents
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Abstract
The invention discloses a frequency band distribution method and device, solving the problems that a scheme provided by the present technology cannot enable the co-channel interference among cells to become smaller under the condition of sufficiently using communication network frequency. The frequency band distribution method comprises the following steps of: dividing a frequency band to obtain a plurality of sub frequency bands; distributing the plurality of sub frequency bands, obtained through division, to each cell of a cluster of cells according to a distribution principle that at least two sub frequency bands are at least distributed to one cell, each sub frequency band in the same cell distributed with at least two sub frequency bands meets mutual orthogonality, and at least two sub frequency bands in the sub frequency bands which are distributed to all cells are not orthogonal.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of band allocating method and device.
Background technology
At present, in the frequency planning of 3GPP LTE network, mainly contain two kinds of typical networking modes.
In the first networking mode, frequency duplex factor as one be N (N is the number of the community being assigned with frequency band, N be greater than 1 integer).A kind of schematic diagram of which as shown in Figure 1.This schematic diagram is that total frequency band of 60M is evenly distributed to three communities A, B, C (each community is all assigned with the sub-band that bandwidth is 20M in order to indicate a total bandwidth, N=3 now), each community adopts RB different on this total frequency band, and the arrow in figure represents subband allocation to corresponding community.The advantage of this mode is, presence of intercell interference is very little, and real network planning is simple; Shortcoming is, the RB of the frequency band be assigned with due to each community does not have overlap, therefore, the available total frequency band needed is comparatively large (when mean allocation, the total frequency band needed is N times of single subdistrict sub-band), it is not very flexible that frequency spectrum uses, and the frequency efficiency of whole communication network is lower.
In the second networking mode, frequency duplex factor as one is 1.A kind of schematic diagram of which as shown in Figure 2.This schematic diagram is that the frequency band of 20M is assigned to three communities A, B, C and uses in order to indicate a total bandwidth, and each community adopts identical RB.The advantage of which is, the frequency efficiency of communication network is higher; Shortcoming is, minizone co-channel interference is comparatively large, and particularly edge customer is disturbed seriously, and its control channel possibly cannot normally work.
Above-mentioned two kinds of networking modes all can not realize the frequency making full use of communication network, and the object that minizone co-channel interference is less.
Summary of the invention
The embodiment of the present invention provides a kind of band allocating method and device, and the scheme provided in order to solve prior art can not make the problem that minizone co-channel interference is less while making full use of the frequency of communication network.
The embodiment of the present invention is by the following technical solutions:
A kind of band allocating method, comprising:
Division is carried out to frequency band and obtains multiple sub-band; According to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, multiple subband allocation division obtained are to each community in cluster community.
A kind of band allocation means, comprising:
Frequency band division performance element, obtains multiple sub-band for carrying out division to frequency band; Allocation units, for according to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, frequency band division performance element is divided multiple subband allocation of obtaining to each community in cluster community.
The beneficial effect of the embodiment of the present invention is as follows:
Adopt the scheme that the embodiment of the present invention provides, because the sub-band distributed for different districts is not orthogonal, therefore, compared with mode one of the prior art, this programme takes full advantage of the frequency of communication network, and compared with mode two of the prior art, this programme also makes minizone co-channel interference less.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the first networking mode of the prior art;
Fig. 2 is the schematic diagram of the second networking mode of the prior art;
The idiographic flow schematic diagram of a kind of band allocating method that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 a is the Cell1 in embodiment 1, and the sub-band that Cell2, Cell3 utilize two of being assigned with orthogonal sends the schematic diagram of PUCCH and PUSCH;
Fig. 4 b is the Cell1 in embodiment 1, and the sub-band that Cell2, Cell3 utilize two of being assigned with orthogonal sends the schematic diagram of PBCH/SCH and PDSCH;
Fig. 5 a is the Cell1 in embodiment 2, and the sub-band that Cell2, Cell3 utilize two of being assigned with orthogonal sends the schematic diagram of PUCCH and PUSCH;
Fig. 5 b is the Cell1 in embodiment 2, and the sub-band that Cell2, Cell3 utilize two of being assigned with orthogonal sends the schematic diagram of PBCH/SCH and PDSCH;
The concrete structure schematic diagram of a kind of band allocation means that Fig. 6 provides for the embodiment of the present invention.
Embodiment
The scheme provided to solve prior art can not make the problem that minizone co-channel interference is less while making full use of the frequency of communication network, the embodiment of the present invention provides a kind of band allocation scheme, multiple sub-band is obtained by divided band, and according to being mutually orthogonal at least two sub-bands of at least one cell allocation, and have lap but the non-orthogonal method of salary distribution between the sub-band distributed for different districts, will the subband allocation that obtains be divided to adjacent multiple communities.Adopt the scheme that the embodiment of the present invention provides, because the sub-band distributed for different districts is not orthogonal, therefore, compared with mode one of the prior art, this programme takes full advantage of the frequency of communication network, and compared with mode two of the prior art, this programme also makes minizone co-channel interference less.
Below in conjunction with accompanying drawing, the scheme that the embodiment of the present invention provides is described in detail.
First the embodiment of the present invention provides a kind of band allocating method, and the idiographic flow schematic diagram of the method as shown in Figure 3, comprises the following steps:
Step 31, carries out division to frequency band and obtains multiple sub-band;
Step 32, according to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, multiple subband allocation division obtained are to each community in cluster community.
Distribute to the Resource Block (RB, ResourceBlock) comprised in the sub-band of community in the embodiment of the present invention to be taken by up channel, also can be taken by down channel.
In the embodiment of the present invention, can also be adjusted by the RB shared by the up channel/down channel to neighbor cell, reduce the interference between neighbor cell further.
Such as, take the situation of RB for up channel, after multiple subband allocation division obtained give each community, for arbitrary cells, following step can be performed:
First, from the RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the Physical Uplink Control Channel PUCCH of each adjacent cell takies respectively;
Then, in order to ensure that inter-cell uplink interference is minimum, from the RB shared by the Physical Uplink Shared Channel PUSCH from this community, the RB orthogonal with the RB determined can be chosen and send PUSCH.
In addition, can also by reducing RB transmitting power or the mode that reduces its dispatching priority alleviates presence of intercell interference.Such as, for above-mentioned arbitrary cells, can determine that each adjacent cell of this community takies a RB of PUCCH respectively, and determine the 2nd RB taking PUSCH in this community, then, compare obtain a RB have overlapping with the 2nd RB time, the transmitting power of the 2nd RB can be reduced to the transmitting power of other RB lower than this community, or the dispatching priority of the 2nd RB be reduced to the dispatching priority of other RB lower than this community.In embodiments of the present invention, can be the transmitting power and the dispatching priority that reduce whole 2nd RB, after also can determining the part RB of the 2nd RB overlapped for a RB, reduce transmitting power and the dispatching priority of this part RB.
Take the situation of RB for down channel, after multiple subband allocation division obtained give each community, for the arbitrary cells being assigned with subband sets, following step can be performed:
From the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the appointment down channel (appointment down channel here can be, but not limited to as broadcast channel PBCH or synchronous channel SCH) of each adjacent cell takies respectively; Then, in the Resource Block RB that the sub-band that Zai Conggai community is assigned with comprises, choose the RB orthogonal with this RB determined and send PDSCH.
Similarly, also presence of intercell interference can be alleviated by the mode reducing RB transmitted power or RB dispatching priority, such as, for this community, the RB that can comprise from the sub-band of each adjacent cell distributing to this community and this community, determine the RB that the appointment down channel of each adjacent cell of this community takies respectively, and determine the 2nd RB that the PDSCH of this community takies, compare obtain a RB have overlapping with the 2nd RB time, the dispatching priority of the 2nd RB is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.In embodiments of the present invention, can be the transmitting power and the dispatching priority that reduce whole 2nd RB, after also can determining the part RB of the 2nd RB overlapped for a RB, reduce transmitting power and the dispatching priority of this part RB.
Below for such scheme two embodiments in practice (embodiment 1 and embodiment 2) that the embodiment of the present invention provides, the main thought of this programme is described in more detail.
In embodiment 1 and embodiment 2, be all be 6 sub-bands by current for communication system available frequency band division, the bandwidth of each sub-band is 20MHz.These 6 sub-bands satisfy condition: two orthogonal sub-bands form a subband sets, the subband sets that formation 3 is different altogether, have lap but non-orthogonal between each sub-band that different subband sets comprises.Below in conjunction with accompanying drawing, respectively the overlapping relation of embodiment 1 and embodiment 2 sub-bands is described.
Embodiment 1:
In embodiment 1, respectively above-mentioned 3 subband sets are distributed to three adjacent communities (Cell1, Cell2, Cell3) respectively, community utilizes two in the subband sets be assigned with orthogonal frequency bands to send PUSCH and PUCCH, or sends PDSCH and PBCH/SCH.
In embodiment 1, in order to reduce the interference between neighbor cell, need to make the RB shared by PUCCH of the RB shared by the PUSCH of arbitrary community and adjacent cell mutually stagger in frequency as far as possible, meanwhile, the RB shared by the PBCH/SCH of the RB shared by the PDSCH of arbitrary community and adjacent cell can also be made mutually to stagger in frequency as far as possible.
The object that the RB taken for the PUCCH of the RB making the PUSCH of arbitrary community take and adjacent cell mutually staggers in frequency, in embodiment 1, Cell1 is being distributed to respectively, Cell2 by dividing the multiple subband sets obtained, after Cell3, can for the arbitrary community in Cell1, Cell2, Cell3, such as Cell1, determine the RB shared by PUCCH of its neighbor cell Cell2, Cell3, then, from the RB that the PUSCH of Cell1 takies, choose the RB orthogonal with the RB determined send PUSCH.Particularly, the schematic diagram shared by RB and PUSCH shared by PUCCH of Cell1, Cell2, Cell3 is as Fig. 4 a.The part of being filled by oblique line in Fig. 4 a is in order to represent for the RB shared by PUCCH, and the part of not filled by oblique line is in order to represent for the RB shared by PUSCH.Send RB and the Cell1 of PUSCH in Cell1, Cell2, Cell3, the interference between the PUCCH that the orthogonal mode of the RB shared by PUCCH of Cell2, Cell3 neighbor cell separately can make the PUSCH of arbitrary cells be adjacent community drops to minimum.
The object that the RB taken for the PBCH/SCH of the RB making the PDSCH of arbitrary community take and adjacent cell mutually staggers in frequency, similarly, in embodiment 1, Cell1 is being distributed to respectively by dividing the multiple subband sets obtained, Cell2, after Cell3, can for Cell1, arbitrary community in Cell2, Cell3, such as Cell1, determine the RB shared by PBCH/SCH of its neighbor cell Cell2, Cell3, then, the RB that the sub-band be assigned with from Cell1 comprises, choose the RB orthogonal with this RB determined and send PDSCH.Particularly, the schematic diagram of the RB shared by RB and PDSCH shared by PBCH/SCH of Cell1, Cell2, Cell3 is as Fig. 4 b.The part of being filled by oblique line in Fig. 4 b is in order to represent for the RB shared by PBCH/SCH, and the part of not filled by oblique line is in order to represent for the RB shared by PDSCH.Cell1, Cell2, Cell3 send RB and the Cell1 of PDSCH, and the interference between the PBCH/SCH that the orthogonal mode of the RB shared by PBCH/SCH of Cell2, Cell3 neighbor cell separately can make the PDSCH of arbitrary cells be adjacent community drops to minimum.
In embodiment 1, for arbitrary community, employing be the mode of frequency band continuous dispensing.So-called frequency band continuous dispensing, what refer to that two sub-bands distributing to community take is continuous print two frequency ranges.The advantage of frequency band continuous dispensing is, the total bandwidth of the frequency band taken is less, but defect is, the effect overcoming channel disturbance is general.
The mode of the discontinuous distribution of frequency band is introduced in embodiment 2 later.
Embodiment 2:
In example 2, respectively above-mentioned 3 subband sets are distributed to three adjacent communities (Cell1, Cell2, Cell3) respectively, community utilizes two in the subband sets be assigned with orthogonal frequency bands to send PUSCH and PUCCH, or sends PDSCH and PBCH/SCH.
In example 2, in order to reduce the interference between neighbor cell, also the RB that the RB needing as far as possible to make the PUSCH of arbitrary community take and adjacent cell PUCCH takies mutually staggers in frequency, meanwhile, the RB that can also as far as possible make the PDSCH of arbitrary community take and the RB shared by PBCH/SCH of adjacent cell mutually staggers in frequency.
For the frequency band made shared by the PUSCH of arbitrary community and adjacent cell PUCCH shared by the object that mutually staggers in frequency of frequency band, in example 2, Cell1 is being distributed to respectively by dividing the multiple subband sets obtained, Cell2, after Cell3, can for Cell1, Cell2, arbitrary community in Cell3, such as Cell1, determines the RB shared by PUCCH of its neighbor cell Cell2, Cell3, then, the RB that the sub-band be assigned with from Cell1 comprises, choose the RB orthogonal with this RB determined and send PUSCH.Particularly, the schematic diagram of the RB shared by RB and PUSCH shared by PUCCH of Cell1, Cell2, Cell3 is as Fig. 5 a.The part of being filled by oblique line in Fig. 5 a is in order to represent the RB taken for PUCCH, and the part of not filled by oblique line is in order to represent the RB that PUSCH takies.Cell1, Cell2, Cell3 send RB and the Cell1 of PUSCH, and the interference between the PUCCH that the orthogonal mode of the RB that the PUCCH of Cell2, Cell3 neighbor cell separately takies can make the PUSCH of arbitrary cells be adjacent community drops to minimum.
The object that the RB taken for the PBCH/SCH of the RB making the PDSCH of arbitrary community take and adjacent cell mutually staggers in frequency, similarly, in example 2, Cell1 is being distributed to respectively by dividing the multiple subband sets obtained, Cell2, after Cell3, can for Cell1, Cell2, arbitrary community in Cell3, such as Cell1, determines the RB shared by PBCH/SCH of its neighbor cell Cell2, Cell3, then, two RB orthogonal with a RB is chosen the RB that the sub-band be assigned with from Cell1 comprises as the RB shared by PDSCH.Particularly, the sub-band that Cell1, Cell2, Cell3 utilize two of being assigned with orthogonal sends the schematic diagram of PBCH/SCH and PDSCH as Fig. 5 b.The part of being filled by oblique line in Fig. 5 b is in order to represent for the RB shared by PBCH/SCH, and the part of not filled by oblique line is in order to represent for the RB shared by PDSCH.Cell1, Cell2, Cell3 sends RB and the Cell1 of PDSCH, and the interference between the PBCH/SCH that the orthogonal mode of the RB shared by PBCH/SCH of the neighbor cell that Cell2, Cell3 are adjacent separately can make the PDSCH of arbitrary cells be adjacent community drops to minimum.
In example 2, for arbitrary community, employing be the mode of the discontinuous distribution of frequency band.The discontinuous distribution of so-called frequency band, what refer to that two sub-bands distributing to community take is discontinuous two frequency ranges.Compared to the frequency band continuous dispensing mode in embodiment 1, the advantage of the discontinuous distribution of frequency band adopted in embodiment 2 is, the effect overcoming channel disturbance is fine, but defect is, the total bandwidth of the frequency band taken is larger.
It should be noted that, above-described embodiment 1,2 all thinks that the mutually orthogonal sub-band of a cell allocation two is described the scheme that the embodiment of the present invention provides for example.But in fact, also can be a cell allocation 3,4 even more sub-bands intersected between two.The embodiment of the present invention does not limit this.
In addition, the size of the sub-band comprised in same subband sets can be the same or different, and the embodiment of the present invention does not also limit this.
Corresponding to the band allocating method that the embodiment of the present invention provides, the embodiment of the present invention also provides a kind of band allocation means, and the concrete structure schematic diagram of this device as shown in Figure 6, comprises following functions unit:
Frequency band division performance element 61, obtains multiple sub-band for carrying out division to frequency band;
Allocation units 62, for according to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, frequency band division performance element 61 is divided multiple subband allocation of obtaining to each community in cluster community.
In embodiments of the present invention, in order to the interference between the PUCCH that the PUSCH reducing arbitrary community is adjacent community, said apparatus can further include:
Determining unit, for allocation units 62 by subband allocation to each community in cluster community after, for the arbitrary cells in each community described, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the Physical Uplink Control Channel PUCCH of each adjacent cell takies respectively; Choose unit, in the Resource Block RB that comprises in the sub-band that is assigned with from this community, choose the RB orthogonal with the RB that determining unit is determined and send PUSCH.
Or, the interference between the PUCCH that can also be adjacent community by comprising following unit to realize the PUSCH reducing arbitrary community:
Determining unit, for allocation units 62 by subband allocation to each community in cluster community after, for arbitrary cells, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine a RB that the PUCCH of each adjacent cell takies respectively, the 2nd RB that the PUSCH of this community takies; Comparing unit, whether the RB determined for comparing determining unit has overlapping with the 2nd RB; Performance element, during for the comparative result that obtains at comparing unit for being, the dispatching priority of the 2nd RB determining unit determined is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
In embodiments of the present invention, in order to the interference between the appointment down channel (such as can for PBCH or SS) that the PDSCH reducing arbitrary community is adjacent community, can also comprise:
Determining unit, for allocation units 62 by subband allocation to each community in cluster community after, for arbitrary cells, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the appointment down channel of each adjacent cell takies respectively; Choose unit, in the Resource Block RB that the sub-band for being assigned with from this community comprises, choosing the RB orthogonal with the RB that determining unit is determined and sending PDSCH.
Or, the interference between the appointment down channel that can also be adjacent community by comprising following unit to realize the PDSCH reducing arbitrary community:
Determining unit, for allocation units 62 by subband allocation to each community in cluster community after, for arbitrary cells, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine the RB shared by appointment down channel of each adjacent cell, the 2nd RB shared by PDSCH of this community respectively; Comparing unit, whether the RB determined for comparing determining unit has overlapping with the 2nd RB; Performance element, during for the comparative result that obtains at comparing unit for being, the dispatching priority of the 2nd RB determining unit determined is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, 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 (10)
1. a band allocating method, is characterized in that, comprising:
Division is carried out to frequency band and obtains multiple sub-band;
According to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, multiple subband allocation division obtained are to each community in cluster community;
Multiple subband allocation division obtained, to behind each community in cluster community, also comprise:
For the arbitrary cells in each community described, perform following step:
From the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the Physical Uplink Control Channel PUCCH of each adjacent cell takies respectively; And
From the RB shared by the Physical Uplink Shared Channel PUSCH of this community, choose the RB orthogonal with the RB determined and send PUSCH; And/or
Multiple subband allocation division obtained, to behind each community in cluster community, also comprise:
For the arbitrary cells in each community described, perform following step:
From the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the appointment down channel of each adjacent cell takies respectively; And
From the RB shared by the Physical Downlink Shared Channel PDSCH of this community, choose the RB orthogonal with the RB that the appointment down channel determined takies and send PDSCH.
2. the method for claim 1, is characterized in that, multiple subband allocation division obtained, to behind each community in cluster community, also comprise:
For the arbitrary cells in each community described, perform following step:
From the Resource Block RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine a RB that the PUCCH of each adjacent cell takies respectively, the 2nd RB that the PUSCH of this community takies;
Compare obtain a RB have overlapping with the 2nd RB time, the dispatching priority of the 2nd RB is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
3. the method for claim 1, is characterized in that, described appointment down channel is broadcast channel PBCH or synchronous channel SCH.
4. the method for claim 1, is characterized in that, multiple subband allocation division obtained, to behind each community in cluster community, also comprise:
For the arbitrary cells in each community described, perform following step:
From the RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine the RB shared by appointment down channel of each adjacent cell, the 2nd RB shared by PDSCH of this community respectively;
Compare obtain a RB have overlapping with the 2nd RB time, the dispatching priority of the 2nd RB is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
5. method as claimed in claim 4, it is characterized in that, described appointment down channel is broadcast channel PBCH or synchronous channel SCH.
6. a band allocation means, is characterized in that, comprising:
Frequency band division performance element, obtains multiple sub-band for carrying out division to frequency band;
Allocation units, for according to being at least a cell allocation at least two sub-bands, and each sub-band being assigned with the same community of at least two sub-bands meets mutually orthogonal, and the distribution principle for having at least two sub-bands non-orthogonal in the sub-band of all cell allocation, frequency band division performance element is divided multiple subband allocation of obtaining to each community in cluster community;
Also comprise:
Determining unit, for allocation units by multiple subband allocation to each community in cluster community after, for the arbitrary cells in each community described, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the Physical Uplink Control Channel PUCCH of each adjacent cell takies respectively;
Transmitting element, in the RB shared by the PUSCH from this community, chooses the RB orthogonal with the RB that determining unit is determined and sends PUSCH; And/or
Described determining unit, for allocation units by multiple subband allocation to each community in cluster community after, for the arbitrary cells in each community described, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community comprises, determine the RB that the appointment down channel of each adjacent cell takies respectively;
Transmitting element, in the block RB shared by the PDSCH from this community, chooses and to determine that with determining unit the orthogonal RB of described RB sends PDSCH.
7. device as claimed in claim 6, is characterized in that, also comprise:
Determining unit, for allocation units by multiple subband allocation to each community in cluster community after, for the arbitrary cells in each community described, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine a RB that the PUCCH of each adjacent cell takies respectively, the 2nd RB that the PUSCH of this community takies;
Comparing unit, whether the RB determined for comparing determining unit has overlapping with the 2nd RB;
Performance element, during for the comparative result that obtains at comparing unit for being, the dispatching priority of the 2nd RB determining unit determined is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
8. device as claimed in claim 6, it is characterized in that, described appointment down channel is broadcast channel PBCH or synchronous channel SCH.
9. device as claimed in claim 6, is characterized in that, also comprise:
Determining unit, for allocation units by multiple subband allocation to each community in cluster community after, for the arbitrary cells in each community described, from the Resource Block RB that the sub-band of each adjacent cell distributing to this community and this community comprises, determine the RB shared by appointment down channel of each adjacent cell, the 2nd RB shared by PDSCH of this community respectively;
Comparing unit, whether the RB determined for comparing determining unit has overlapping with the 2nd RB;
Performance element, during for the comparative result that obtains at comparing unit for being, the dispatching priority of the 2nd RB determining unit determined is reduced to the dispatching priority of other RB lower than this community, or the transmitting power of the 2nd RB is reduced to the transmitting power of other RB lower than this community.
10. device as claimed in claim 9, it is characterized in that, described appointment down channel is broadcast channel PBCH or synchronous channel SCH.
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| CN103858506B (en) * | 2012-12-27 | 2017-08-18 | 华为技术有限公司 | Resource allocation methods and device |
| CN105025581A (en) * | 2014-04-28 | 2015-11-04 | 普天信息技术有限公司 | Uplink carrier wave radio resource allocation method |
| WO2019119179A1 (en) * | 2017-12-18 | 2019-06-27 | 海能达通信股份有限公司 | Channel resource selection method and device |
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| CN101094213A (en) * | 2006-06-20 | 2007-12-26 | 华为技术有限公司 | Frequency soft multiplexing system and method |
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