Summary of the invention
In order to solve the above technical problems, the embodiment of the present application provides a kind of inter-cell interference coordination method, device and service
Device reduces most interference of the strong jamming adjacent area to edge user terminal to reach, hence it is evident that improve the purpose of the effect of interference coordination, skill
Art scheme is as follows:
A kind of inter-cell interference coordination method, comprising:
It determines the most strong jamming adjacent area of edge user terminal, and determines frequency domain money used in the most strong jamming adjacent area
Source;
From the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine and the most strong jamming
The degree of overlapping of frequency domain resource used in adjacent area is no more than the frequency domain resource of default degree of overlapping, as target frequency domain resource;
Frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource.
Preferably, frequency domain resource used in the most strong jamming adjacent area is to distribute mould with reference to first object frequency domain resource
Plate, the frequency domain resource being assigned to from the frequency domain resource that the most strong jamming adjacent area is allocated in advance, the first object frequency domain
Resource allocation template is according to the Physical Cell Identifier of the most strong jamming adjacent area, determining frequency domain resource allocation template.
Preferably, described from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine with
The degree of overlapping of frequency domain resource used in the most strong jamming adjacent area is no more than the frequency domain resource of default degree of overlapping, as target frequency
Domain resource, comprising:
It determines the corresponding frequency domain resource allocation template of the Physical Cell Identifier of the edge user terminal affiliated subdistrict, is the
Two target frequency domain resource allocation templates;
With reference to the second target frequency domain resource allocation template, from the edge user terminal affiliated subdistrict allocate in advance to
Frequency domain resource in, determine to be no more than default degree of overlapping with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area
Frequency domain resource, as target frequency domain resource.
Preferably, the first object frequency domain resource allocation template includes:
First frequency domain resource starting distribution position and the first frequency domain resource distribute direction;
The second target frequency domain resource distribution module includes:
Second frequency domain resource starting distribution position and the second frequency domain resource distribute direction.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area
Equal to 0 or the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 0, then the first frequency domain money
Source distribution initial position and second frequency domain resource initial position are the minimum value in the first frequency domain resource, first frequency
Domain resource allocation direction and second frequency domain resource distribution direction are from first frequency domain resource initial position or from institute
The direction of the second frequency domain resource initial position maximum value into first frequency domain resource is stated, first frequency domain resource indicates institute
State the frequency domain resource that most strong jamming adjacent area is allocated in advance or the frequency domain that the edge user terminal affiliated subdistrict is allocated in advance
Resource.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area
Equal to 1 or the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 1, then the first frequency domain money
Source distribution initial position and second frequency domain resource distribution initial position are that the maximum value in first frequency domain resource is removed
The value obtained with N, the first frequency domain resource distribution direction and second frequency domain resource distribution direction include: the first distribution
Sub- direction and the second sub- direction of distribution;
The sub- direction of first distribution is to distribute initial position from first frequency domain resource or provide from second frequency domain
The direction of initial position maximum value into first frequency domain resource is distributed in source, and the sub- direction of second distribution is from described first
Frequency domain resource distributes initial position or minimum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the sub- direction of first distribution use sequence prior to the sub- direction of second distribution using sequence, and described
It the second sub- direction of distribution, will first frequency domain resource distribution initial position or from described using the sub- direction of first distribution
Second frequency domain resource distribution initial position corresponding frequency domain resource of maximum value into first frequency domain resource is fully assigned out
Begin to use after going.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area
Equal to 2 or the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 2, then the first frequency domain money
Source distribution initial position and second frequency domain resource initial position are the maximum value in the first frequency domain resource, first frequency
Domain resource allocation direction and second frequency domain resource distribution direction are from first frequency domain resource initial position or from institute
State the direction of the second frequency domain resource initial position minimum value into first frequency domain resource.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area
Equal to 0 or the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 0, then the first frequency domain money
Source distribution initial position and second frequency domain resource initial position are the maximum value in the first frequency domain resource, first frequency
Domain resource allocation direction and second frequency domain resource distribution direction are from first frequency domain resource initial position or from institute
The direction of the second frequency domain resource initial position minimum value into first frequency domain resource is stated, first frequency domain resource indicates institute
State the frequency domain resource that most strong jamming adjacent area is allocated in advance or the frequency domain that the edge user terminal affiliated subdistrict is allocated in advance
Resource.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the then knot of the Physical Cell Identifier mould three of the most strong jamming adjacent area
The result that fruit is equal to the Physical Cell Identifier mould three of 1 or the edge user terminal affiliated subdistrict is equal to 1, then first frequency domain
Resource allocation initial position and second frequency domain resource distribution initial position are the maximum value in first frequency domain resource
The value obtained divided by N, the first frequency domain resource distribution direction and second frequency domain resource distribution direction include: third point
Gamete direction and third distribute sub- direction;
It is to distribute initial position from first frequency domain resource or provide from second frequency domain that the third, which distributes sub- direction,
The direction of initial position minimum value into first frequency domain resource is distributed in source, and the sub- direction of the 4th distribution is from described first
Frequency domain resource distributes initial position or maximum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the third distribute the using sequentially prior to the sub- direction of the 4th distribution using sequence in sub- direction, and described
The 4th sub- direction of distribution is dissipating the sub- direction of distribution using described the, will first frequency domain resource distribution initial position or from described
Second frequency domain resource distribution initial position corresponding frequency domain resource of minimum value into first frequency domain resource is fully assigned out
Begin to use after going.
Preferably, small belonging to the frequency domain resource allocated in advance in the most strong jamming adjacent area and the edge user terminal
In the identical situation of the frequency domain resource that area allocates in advance, if the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area
Equal to 2 or the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 2, then the first frequency domain money
Source distribution initial position and second frequency domain resource initial position are the minimum value in the first frequency domain resource, first frequency
Domain resource allocation direction and second frequency domain resource distribution direction are from first frequency domain resource initial position or from institute
State the direction of the second frequency domain resource initial position maximum value into first frequency domain resource.
Preferably, the method also includes:
According to frequency domain resource used in the target frequency domain resource and the most strong jamming adjacent area, adjusts the edge and use
The scheduling scheme of family terminal, to improve the spectrum efficiency of the edge user terminal and the edge user terminal affiliated subdistrict.
A kind of Inter-Cell Interference Coordination device, comprising:
First determining module for determining the most strong jamming adjacent area of edge user terminal, and determines that the most strong jamming is adjacent
Frequency domain resource used in area;
Second determining module, for from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, really
The frequency domain resource for being no more than default degree of overlapping with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area is made, as
Target frequency domain resource;
The first adjustment module, for frequency domain resource used in the edge user terminal to be adjusted to the target frequency domain
Resource.
Preferably, described device further include:
Second adjustment module is provided for the frequency domain according to used in the target frequency domain resource and the most strong jamming adjacent area
Source adjusts the scheduling scheme of the edge user terminal, to improve the edge user terminal and edge user terminal institute
Belong to the spectrum efficiency of cell.
A kind of server, comprising: processor, memory and data/address bus, the processor and the memory pass through institute
State data bus communication;
The memory, for storing program;
The processor, for executing described program;
Described program is specifically used for:
It determines the most strong jamming adjacent area of edge user terminal, and determines frequency domain money used in the most strong jamming adjacent area
Source;
From the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine and the most strong jamming
The degree of overlapping of frequency domain resource used in adjacent area is no more than the frequency domain resource of default degree of overlapping, as target frequency domain resource;
Frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource.
Compared with prior art, the application has the beneficial effect that
In this application, in the most strong jamming adjacent area for determining edge user terminal (it is to be understood that edge user terminal
Interfere maximum adjacent area), and after the determining most frequency domain resource of strong jamming adjacent area, it is pre- from edge user terminal affiliated subdistrict
In the frequency domain resource being first assigned to, determine to be no more than with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area pre-
If the frequency domain resource of degree of overlapping, as target frequency domain resource, guarantee frequency used in target frequency domain resource and most strong jamming adjacent area
The degree of overlapping of domain resource is low, on this basis, frequency domain resource used in edge user terminal is adjusted to target frequency domain resource,
Avoid edge user terminal and most strong jamming adjacent area using identical frequency domain resource as far as possible, to reduce most strong jamming adjacent area opposite side
The interference of edge user terminal, hence it is evident that improve the effect of interference coordination.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of inter-cell interference coordination method, comprising: determines the most strong of edge user terminal
Adjacent area is interfered, and determines the frequency domain resource of the most strong jamming adjacent area;According to the physics of the edge user terminal affiliated subdistrict
Cell ID, the frequency domain that the determining degree of overlapping with the frequency domain resource of the most strong jamming adjacent area is no more than the first default degree of overlapping provide
Source, the frequency domain resource as the edge user terminal.In this application, most strong jamming adjacent area is reduced to edge user terminal
Interference, hence it is evident that improve the effect of interference coordination.
Next inter-cell interference coordination method disclosed in the embodiment of the present application is introduced, referring to Figure 1, is can wrap
It includes:
Step S11, it determines the most strong jamming adjacent area of edge user terminal, and determines used in the most strong jamming adjacent area
Frequency domain resource.
Most strong jamming adjacent area is it is to be understood that interfere maximum adjacent area to edge user terminal.
In the present embodiment, determines the process of the most strong jamming adjacent area of edge user terminal, may include:
From the measurement result that edge user terminal reports, the letter of each adjacent area of edge user terminal affiliated subdistrict is obtained
Breath;
According to the information of each adjacent area of edge user terminal affiliated subdistrict, determine maximum to edge user terminal interference
Adjacent area, as most strong jamming adjacent area.
It should be noted that obtaining edge user terminal affiliated subdistrict from the measurement result that edge user terminal reports
Each adjacent area information, and then the information of each adjacent area according to edge user terminal affiliated subdistrict determines to edge customer
Terminal interferes maximum adjacent area, as the mode of most strong jamming adjacent area, without additional signaling overheads and inter-cell interference information
Interaction, scheme are simply easily realized.
It, can be from the information that most strong jamming adjacent area reports really after determining the most strong jamming adjacent area of edge user terminal
Make frequency domain resource used in most strong jamming adjacent area.
Step S12, from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine with it is described
The degree of overlapping of frequency domain resource used in most strong jamming adjacent area is no more than the frequency domain resource of default degree of overlapping, provides as target frequency domain
Source.
The frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, it is possible to understand that are as follows: the edge customer
The governable frequency domain resource in terminal affiliated subdistrict.The governable frequency domain resource in edge user terminal affiliated subdistrict can be by transporting
Battalion quotient allocates in advance.
Target frequency domain resource is not more than the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance.
Default degree of overlapping can be according to scheduling needs, flexible setting.
It should be noted that default degree of overlapping is smaller, frequency used in target frequency domain resource and the most strong jamming adjacent area
The degree of overlapping of domain resource is lower, and most strong jamming adjacent area is smaller to the interference of edge user terminal.
Step S13, frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource.
Frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource, can be avoided as far as possible
Edge user terminal and most strong jamming adjacent area use identical frequency domain resource.
In this application, in the most strong jamming adjacent area for determining edge user terminal (it is to be understood that edge user terminal
Interfere maximum adjacent area), and after the determining most frequency domain resource of strong jamming adjacent area, it is pre- from edge user terminal affiliated subdistrict
In the frequency domain resource being first assigned to, determine to be no more than with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area pre-
If the frequency domain resource of degree of overlapping, as target frequency domain resource, guarantee frequency used in target frequency domain resource and most strong jamming adjacent area
The degree of overlapping of domain resource is low, on this basis, frequency domain resource used in edge user terminal is adjusted to target frequency domain resource,
Avoid edge user terminal and most strong jamming adjacent area using identical frequency domain resource as far as possible, to reduce most strong jamming adjacent area opposite side
The interference of edge user terminal, hence it is evident that improve the effect of interference coordination.
Further, on the basis of reducing interference of the most strong jamming adjacent area to edge user terminal, it can permit edge
User terminal interferes weak adjacent area using identical frequency domain resource with other, therefore edge user terminal affiliated subdistrict does not need to set
Disabling bandwidth is set, not will lead to the spectrum efficiency decline of entire cell.
In another embodiment of the application, frequency domain resource used in above-mentioned most strong jamming adjacent area is introduced,
It is specifically as follows:
With reference to first object frequency domain resource allocation template, from the frequency domain resource that the most strong jamming adjacent area is allocated in advance
The frequency domain resource being assigned to.
The first object frequency domain resource allocation template is to be determined according to the Physical Cell Identifier of the most strong jamming adjacent area
Frequency domain resource allocation template.
The frequency domain resource that the most strong jamming adjacent area is allocated in advance is it is to be understood that the most governable frequency in strong jamming adjacent area
Domain resource.The most governable frequency domain resource in strong jamming adjacent area can be allocated in advance by operator.
Frequency domain resource used in most strong jamming adjacent area is no more than the frequency domain resource that most strong jamming adjacent area is allocated in advance.
In the present embodiment, different frequency domain resource allocation templates can be set for different types of cell, guarantee inhomogeneity
The different frequency domain resource allocation template of the cell reference of type determines that cell is used from the frequency domain resource that cell is allocated in advance
Frequency domain resource, further decrease different community use identical frequency domain resource probability, reduce different community between interference.
In the present embodiment, different types of cell can be distinguished by Physical Cell Identifier.It correspondingly, can be according to object
Cell ID is managed to determine the frequency domain resource allocation template of cell.
Frequency domain resource allocation template can indicate how that from the frequency domain resource that cell is allocated in advance, distribution frequency domain provides
Source, as frequency domain resource used in cell.
Frequency domain resource used in most strong jamming adjacent area based on previous embodiment introduction, in another implementation of the application
In example, to above-mentioned from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine with it is described most strong
Interfere the degree of overlapping of frequency domain resource used in adjacent area to be no more than the frequency domain resource of default degree of overlapping, as target frequency domain resource into
Row is introduced, and can specifically include:
A11, the corresponding frequency domain resource allocation template of the Physical Cell Identifier of the edge user terminal affiliated subdistrict is determined,
For the second target frequency domain resource allocation template.
As in the foregoing embodiment, the corresponding frequency domain resource allocation template of different type cell is different, therefore this step needs
It determines the corresponding frequency domain resource allocation template of the Physical Cell Identifier of the edge user terminal affiliated subdistrict, is the second target
Frequency domain resource allocation template.
A12, with reference to the second target frequency domain resource allocation template, divide in advance from the edge user terminal affiliated subdistrict
In the frequency domain resource being fitted on, determine to be no more than default weight with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area
The frequency domain resource of folded degree, as target frequency domain resource.
With reference to the second target frequency domain resource allocation template, from the edge user terminal affiliated subdistrict allocate in advance to
Frequency domain resource in, determine to be no more than default degree of overlapping with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area
Frequency domain resource the efficiency that target frequency domain resource determines can be improved, to improve inter-cell interference as target frequency domain resource
The efficiency of coordination.
In another embodiment of the application, to above-mentioned first object frequency domain resource allocation template and the second target frequency domain
Resource allocation template is introduced, specific as follows:
The first object frequency domain resource allocation template may include:
First frequency domain resource starting distribution position and the first frequency domain resource distribute direction.
With reference to first object frequency domain resource allocation template, distributed from the frequency domain resource that most strong jamming adjacent area is allocated in advance
Frequency domain resource used in cell, it is possible to understand that are as follows: from the first frequency in the frequency domain resource that most strong jamming adjacent area is allocated in advance
Domain resource starting distribution position starts, and distributes direction according to the first frequency domain resource, distributes frequency domain resource used in cell.
The second target frequency domain resource distribution module may include:
Second frequency domain resource starting distribution position and the second frequency domain resource distribute direction.
With reference to the second target frequency domain resource allocation template, the frequency domain allocated in advance from edge user terminal affiliated subdistrict is provided
Frequency domain resource used in cell is distributed in source, it is possible to understand that are as follows: the frequency allocated in advance from edge user terminal affiliated subdistrict
The second frequency domain resource starting distribution position in the resource of domain starts, and distributes direction according to the second frequency domain resource, distribution cell is made
Frequency domain resource.
It should be noted that due to being easy to produce interference between the identical each cell of the frequency domain resource allocated in advance,
In order to reduce the interference between the identical each cell of frequency domain resource allocated in advance, at present generally according to Physical Cell Identifier
Mould three as a result, to adjust frequency domain resource used in each cell.Therefore, it is specifically as follows the knot of Physical Cell Identifier mould three
Different frequency domain resource allocation templates is arranged in the different cell of fruit.The different cell of the result of Physical Cell Identifier mould three, then may be used
To refer to respective frequency domain resource allocation template, frequency domain used in cell is determined from the frequency domain resource that cell is allocated in advance
Resource.Based on this, in another embodiment of the application, in frequency domain resource that the most strong jamming adjacent area is allocated in advance and
In the identical situation of frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, above-mentioned first frequency domain resource is risen
Begin to distribute position and the first frequency domain resource distribution direction and the second frequency domain resource starting distribution position and the distribution of the second frequency domain resource
Direction is introduced, and can specifically include:
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 0 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 0, then the first frequency domain resource distribution initial position and second frequency
Domain resource initial position is the minimum value in the first frequency domain resource, the first frequency domain resource distribution direction and second frequency
Domain resource allocation direction is from first frequency domain resource initial position or from second frequency domain resource initial position to institute
The direction of maximum value in the first frequency domain resource is stated, first frequency domain resource indicates what the most strong jamming adjacent area was allocated in advance
The frequency domain resource that frequency domain resource or the edge user terminal affiliated subdistrict are allocated in advance.First frequency domain resource distributes start bit
Set with shown in second frequency domain resource initial position such as Fig. 2 (a) in #Min RB, the first frequency domain resource distributes direction and institute
State the distribution direction in the second frequency domain resource distribution direction such as Fig. 2 (a), wherein #Min RB is indicated in the first frequency domain resource most
Small value, #Max RB indicate the maximum value in the first frequency domain resource.
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 1 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 1, then the first frequency domain resource distribution initial position and second frequency
Domain resource allocation initial position is the value that the maximum value in first frequency domain resource is obtained divided by N, the first frequency domain money
Source distribution direction and second frequency domain resource distribution direction include: the sub- direction of the first distribution and the second sub- direction of distribution.
Preferably, the size of N can be adjusted according to the loading condition and the load dynamic of itself of cell.
The sub- direction of first distribution is to distribute initial position from first frequency domain resource or provide from second frequency domain
The direction of initial position maximum value into first frequency domain resource is distributed in source, and the sub- direction of second distribution is from described first
Frequency domain resource distributes initial position or minimum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the sub- direction of first distribution use sequence prior to the sub- direction of second distribution using sequence, and described
It the second sub- direction of distribution, will first frequency domain resource distribution initial position or from described using the sub- direction of first distribution
Second frequency domain resource distribution initial position corresponding frequency domain resource of maximum value into first frequency domain resource is fully assigned out
Begin to use after going.First frequency domain resource is distributed shown in initial position and second frequency domain resource initial position such as Fig. 2 (b)
In (#Max RB)/N, the first sub- direction of distribution is that second, which distributes sub- direction, is from the direction of (#Max RB)/N to #Max RB
From the direction of (#Max RB)/N to #Min RB, the first sub- direction of distribution is first used, and the second sub- direction of distribution is from (#Max
RB)/N to #Max RB frequency domain resource begins to use after being fully assigned away.
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 2 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 2, then the first frequency domain resource distribution initial position and second frequency
Domain resource initial position is the maximum value in the first frequency domain resource, the first frequency domain resource distribution direction and second frequency
Domain resource allocation direction is from first frequency domain resource initial position or from second frequency domain resource initial position to institute
State the direction of minimum value in the first frequency domain resource.First frequency domain resource distributes initial position and the second frequency domain resource start bit
The #Max RB in as shown in Fig. 2 (c) is set, the first frequency domain resource distributes direction and second frequency domain resource distributes direction such as Fig. 2
(c) the distribution direction in.
It should be noted that the PCI mod 3 in Fig. 2 indicates three operation of Physical Cell Identifier mould.
In another embodiment of the application, the frequency domain resource allocated in advance in the most strong jamming adjacent area and described
In the identical situation of the frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, another first frequency domain resource is introduced
Starting distribution position and the first frequency domain resource distribution direction and the second frequency domain resource starting distribution position and the second frequency domain resource point
With direction, can specifically include:
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 0 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 0, then the first frequency domain resource distribution initial position and second frequency
Domain resource initial position is the maximum value in the first frequency domain resource, the first frequency domain resource distribution direction and second frequency
Domain resource allocation direction is from first frequency domain resource initial position or from second frequency domain resource initial position to institute
The direction of minimum value in the first frequency domain resource is stated, first frequency domain resource indicates what the most strong jamming adjacent area was allocated in advance
The frequency domain resource that frequency domain resource or the edge user terminal affiliated subdistrict are allocated in advance.First frequency domain resource distributes start bit
Set with shown in second frequency domain resource initial position such as Fig. 3 (a) in #Max RB, the first frequency domain resource distributes direction and institute
State the distribution direction in the second frequency domain resource distribution direction such as Fig. 3 (a), wherein #Min RB is indicated in the first frequency domain resource most
Small value, #Max RB indicate the maximum value in the first frequency domain resource.
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 1 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 1, then the first frequency domain resource distribution initial position and second frequency
Domain resource allocation initial position is the value that the maximum value in first frequency domain resource is obtained divided by N, the first frequency domain money
Source distribution direction and second frequency domain resource distribution direction include: that third distributes sub- direction and the sub- direction of third distribution.
Preferably, the size of N can be adjusted according to the loading condition and the load dynamic of itself of cell.
It is to distribute initial position from first frequency domain resource or provide from second frequency domain that the third, which distributes sub- direction,
The direction of initial position minimum value into first frequency domain resource is distributed in source, and the sub- direction of the 4th distribution is from described first
Frequency domain resource distributes initial position or maximum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the third distribute the using sequentially prior to the sub- direction of the 4th distribution using sequence in sub- direction, and described
The 4th sub- direction of distribution is dissipating the sub- direction of distribution using described the, will first frequency domain resource distribution initial position or from described
Second frequency domain resource distribution initial position corresponding frequency domain resource of minimum value into first frequency domain resource is fully assigned out
Begin to use after going.First frequency domain resource is distributed shown in initial position and second frequency domain resource initial position such as Fig. 3 (b)
In (#Max RB)/N, the first sub- direction of distribution is that second, which distributes sub- direction, is from the direction of (#Max RB)/N to #Min RB
From the direction of (#Max RB)/N to #Max RB, the first sub- direction of distribution is first used, and the second sub- direction of distribution is from (#Max
RB)/N to #Min RB frequency domain resource begins to use after being fully assigned away.
If the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area is equal to belonging to 2 or the edge user terminal
The result of the Physical Cell Identifier mould three of cell is equal to 2, then the first frequency domain resource distribution initial position and second frequency
Domain resource initial position is the minimum value in the first frequency domain resource, the first frequency domain resource distribution direction and second frequency
Domain resource allocation direction is from first frequency domain resource initial position or from second frequency domain resource initial position to institute
State the direction of maximum value in the first frequency domain resource.First frequency domain resource distributes initial position and the second frequency domain resource start bit
The #Min RB in as shown in Fig. 3 (c) is set, the first frequency domain resource distributes direction and second frequency domain resource distributes direction such as Fig. 3
(c) the distribution direction in.
It should be noted that the PCI mod 3 in Fig. 3 indicates three operation of Physical Cell Identifier mould.
Certainly, the first frequency domain resource starting distribution position and the first frequency domain resource distribution direction and the second frequency domain resource rise
Begin to distribute position and the specific embodiment in the second frequency domain resource distribution direction is not limited to the specific reality shown in Fig. 2 and Fig. 3
Mode is applied, all specific embodiments that can achieve the degree of overlapping of frequency domain resource for reducing all kinds of cells can be used as this Shen
Embodiment please, will not enumerate herein.
Based on Fig. 2 shows the first frequency domain resource starting distribution position and the first frequency domain resource distribution direction and second frequency
Domain resource starting distribution position and the second frequency domain resource distribute direction, refer to Fig. 4, to reference to the second target frequency domain resource
Allocation template, from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine with it is described most capable and experienced
The degree of overlapping for disturbing frequency domain resource used in adjacent area is no more than the frequency domain resource of default degree of overlapping, carries out as target frequency domain resource
It introduces, can specifically include:
If the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 0, if the edge is used
The result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of family terminal is equal to 1, then is described since the first RB number value
Edge user terminal distribute frequency domain resource, and if the edge user terminal most strong jamming adjacent area Physical Cell Identifier mould
Three result is equal to 2, distributes frequency domain resource since the 2nd RB number value for the edge user terminal, and compile from the 3rd RB
Number value starts the central user terminal distribution frequency domain resource for the edge user terminal affiliated subdistrict, and if the edge use
The result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of family terminal is equal to 0, then is described since the 4th RB number value
Edge user terminal distributes frequency domain resource;
Wherein, the 2nd RB number value is greater than the first RB number value, and the 3rd RB number value is greater than described the
Two RB number values, the 4th RB number value is greater than the 3rd RB number value, as shown in Fig. 4 (a);
If the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 1, if the edge is used
The result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of family terminal is equal to 2, then is described since the 5th RB number value
Edge user terminal distributes frequency domain resource, and since the 6th RB number value, is the edge user terminal affiliated subdistrict
Central user terminal distribution frequency domain resource, and if the edge user terminal most strong jamming adjacent area Physical Cell Identifier mould
Three result is equal to 1, then since the 7th RB number value, frequency domain resource is distributed for the edge user terminal, if the edge
The result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of user terminal is equal to 0, then since the 8th RB number value, for institute
State edge user terminal distribution frequency domain resource;
Wherein, the 6th RB number value is greater than the 5th RB number value, and the 7th RB number value is greater than described the
Six RB number values, the 8th RB number value is greater than the 7th RB number value, as shown in Fig. 4 (b);
If the result of the Physical Cell Identifier mould three of the edge user terminal affiliated subdistrict is equal to 2, if the edge is used
The result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of family terminal is equal to 1, then is described since the 9th RB number value
Edge user terminal distribute frequency domain resource, and if the edge user terminal most strong jamming adjacent area Physical Cell Identifier mould
Three result is equal to 0, then since the tenth RB number value, distributes frequency domain resource for the edge user terminal, and from the tenth
One RB number value starts, and is the central user terminal distribution frequency domain resource of the edge user terminal affiliated subdistrict, and if institute
The result for stating the Physical Cell Identifier mould three of the most strong jamming adjacent area of edge user terminal is equal to 2, then from the 12nd RB number value
Start, distributes frequency domain resource for the edge user terminal;
Wherein, the tenth RB number value is greater than the 9th RB number value, and the 11st RB number value is greater than described
Tenth RB number value, the 12nd RB number value is greater than the 11st RB number value, as shown in Fig. 4 (c).
#Min RB indicates RB number minimum value in Fig. 4 (a)-(c);#Max RB indicates RB number maximum value;PCI expression thing
Manage cell ID;PCI mod 3 indicates three operation of PCI mould;The most result of strong jamming adjacent area PCI mould three be equal to 1 represented by area
It is edge user terminal when the Physical Cell Identifier mould three of the most strong jamming adjacent area of edge user terminal described in domain representation is equal to 1
The frequency domain resource being assigned to;The most result of strong jamming adjacent area PCI mould three be equal to 2 represented by region indicate that the edge customer is whole
When the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area at end is equal to 2, provided for the frequency domain that edge user terminal is assigned to
Source;The region that central user indicates is expressed as the frequency domain resource of central user distribution;The most result etc. of strong jamming adjacent area PCI mould three
The region represented by 0 indicates that the result of the Physical Cell Identifier mould three of the most strong jamming adjacent area of the edge user terminal is equal to
It is the frequency domain resource that edge user terminal is assigned to when 0.
Certainly, preparatory from the edge user terminal affiliated subdistrict with reference to the second target frequency domain resource allocation template
In the frequency domain resource being assigned to, determine to be no more than with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area default
The frequency domain resource of degree of overlapping, the embodiment as target frequency domain resource is not limited to the embodiment shown in Fig. 4, for it
Its embodiment will not enumerate herein.
In another embodiment of the application, another inter-cell interference coordination method is provided, Fig. 5 is referred to,
May include:
Step S51, it determines the most strong jamming adjacent area of edge user terminal, and determines used in the most strong jamming adjacent area
Frequency domain resource.
Step S52, from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine with it is described
The degree of overlapping of frequency domain resource used in most strong jamming adjacent area is no more than the frequency domain resource of default degree of overlapping, provides as target frequency domain
Source.
Step S53, frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource.
Step S51-S53 is identical as the step S11-S13 in previous embodiment, and the detailed process of step S51-S53 can be with
Referring to the related introduction of step S11-S13, details are not described herein.
Step S54, the frequency domain resource according to used in the target frequency domain resource and the most strong jamming adjacent area adjusts institute
The scheduling scheme of edge user terminal is stated, to improve the frequency of the edge user terminal and the edge user terminal affiliated subdistrict
Spectrum efficiency.
According to frequency domain resource used in the target frequency domain resource and the most strong jamming adjacent area, adjusts the edge and use
The scheduling scheme of family terminal may include:
According to frequency domain resource used in the target frequency domain resource and the most strong jamming adjacent area, it is whole to promote edge customer
The MCS (Modulation and Coding Scheme, modulation and coding strategy) at end, or use stream transmission mode instead.
Next Inter-Cell Interference Coordination device provided by the present application is introduced, the inter-cell interference association being introduced below
Adjust device that can correspond to each other reference with inter-cell interference coordination method described above.
Fig. 6 is referred to, it illustrates a kind of logical construction schematic diagram of Inter-Cell Interference Coordination device provided by the present application,
Inter-Cell Interference Coordination device includes: the first determining module 11, the second determining module 12 and the first adjustment module 13.
First determining module for determining the most strong jamming adjacent area of edge user terminal, and determines that the most strong jamming is adjacent
Frequency domain resource used in area;
Second determining module, for from the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, really
The frequency domain resource for being no more than default degree of overlapping with the degree of overlapping of frequency domain resource used in the most strong jamming adjacent area is made, as
Target frequency domain resource;
Module is adjusted, is provided for frequency domain resource used in the edge user terminal to be adjusted to the target frequency domain
Source.
In the present embodiment, frequency domain resource used in the most strong jamming adjacent area is to distribute with reference to first object frequency domain resource
Template, the frequency domain resource being assigned to from the frequency domain resource that the most strong jamming adjacent area is allocated in advance, the first object frequency
Domain resource allocation template is according to the Physical Cell Identifier of the most strong jamming adjacent area, determining frequency domain resource allocation template.
In the present embodiment, the second determining module be can specifically include:
First determines submodule, for determining the corresponding frequency of Physical Cell Identifier of the edge user terminal affiliated subdistrict
Domain resource allocation template is the second target frequency domain resource allocation template;
Second determines submodule, whole from the edge customer for referring to the second target frequency domain resource allocation template
In the frequency domain resource that end affiliated subdistrict is allocated in advance, the weight with frequency domain resource used in the most strong jamming adjacent area is determined
Folded degree is no more than the frequency domain resource of default degree of overlapping, as target frequency domain resource.
In the present embodiment, the first object frequency domain resource allocation template may include:
First frequency domain resource starting distribution position and the first frequency domain resource distribute direction;
The second target frequency domain resource distribution module may include:
Second frequency domain resource starting distribution position and the second frequency domain resource distribute direction.
The frequency domain resource allocated in advance in the most strong jamming adjacent area for above-mentioned Inter-Cell Interference Coordination device and institute
It states in the identical situation of frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, if the object of the most strong jamming adjacent area
The result of reason cell ID mould three is equal to the result etc. of the Physical Cell Identifier mould three of 0 or the edge user terminal affiliated subdistrict
In 0, then the first frequency domain resource distribution initial position and second frequency domain resource initial position are the first frequency domain resource
In minimum value, first frequency domain resource distribution direction and second frequency domain resource distribution direction are from first frequency
Domain resource initial position or from the direction of second frequency domain resource initial position maximum value into first frequency domain resource, institute
It states belonging to the frequency domain resource or the edge user terminal that the first frequency domain resource indicates that the most strong jamming adjacent area is allocated in advance
The frequency domain resource that cell is allocated in advance.
The frequency domain resource allocated in advance in the most strong jamming adjacent area for above-mentioned Inter-Cell Interference Coordination device and institute
It states in the identical situation of frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, if the object of the most strong jamming adjacent area
The result of reason cell ID mould three is equal to the result etc. of the Physical Cell Identifier mould three of 1 or the edge user terminal affiliated subdistrict
In 1, then the first frequency domain resource distribution initial position and second frequency domain resource distribution initial position are described first
The value that maximum value in frequency domain resource is obtained divided by N, the first frequency domain resource distribution direction and second frequency domain resource point
It include: the sub- direction of the first distribution and the second sub- direction of distribution with direction;
The sub- direction of first distribution is to distribute initial position from first frequency domain resource or provide from second frequency domain
The direction of initial position maximum value into first frequency domain resource is distributed in source, and the sub- direction of second distribution is from described first
Frequency domain resource distributes initial position or minimum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the sub- direction of first distribution use sequence prior to the sub- direction of second distribution using sequence, and described
It the second sub- direction of distribution, will first frequency domain resource distribution initial position or from described using the sub- direction of first distribution
Second frequency domain resource distribution initial position corresponding frequency domain resource of maximum value into first frequency domain resource is fully assigned out
Begin to use after going.
The frequency domain resource allocated in advance in the most strong jamming adjacent area for above-mentioned Inter-Cell Interference Coordination device and institute
It states in the identical situation of frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, if the object of the most strong jamming adjacent area
The result of reason cell ID mould three is equal to the result etc. of the Physical Cell Identifier mould three of 2 or the edge user terminal affiliated subdistrict
In 2, then the first frequency domain resource distribution initial position and second frequency domain resource initial position are the first frequency domain resource
In maximum value, first frequency domain resource distribution direction and second frequency domain resource distribution direction are from first frequency
Domain resource initial position or from the direction of second frequency domain resource initial position minimum value into first frequency domain resource.
In the present embodiment, for above-mentioned Inter-Cell Interference Coordination device, allocated in advance in the most strong jamming adjacent area
In the identical situation of frequency domain resource that frequency domain resource and the edge user terminal affiliated subdistrict are allocated in advance, if described most strong
The result of the Physical Cell Identifier mould three of adjacent area is interfered to be equal to the Physical Cell Identifier of 0 or the edge user terminal affiliated subdistrict
The result of mould three is equal to 0, then the first frequency domain resource distribution initial position and second frequency domain resource initial position are
Maximum value in first frequency domain resource, the first frequency domain resource distribution direction and second frequency domain resource distribution direction are
From first frequency domain resource initial position or from second frequency domain resource initial position into first frequency domain resource most
The direction of small value, first frequency domain resource indicate the frequency domain resource or the edge that the most strong jamming adjacent area is allocated in advance
The frequency domain resource that user terminal affiliated subdistrict is allocated in advance.
The frequency domain resource allocated in advance in the most strong jamming adjacent area for above-mentioned Inter-Cell Interference Coordination device and institute
It states in the identical situation of frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, if the then most strong jamming adjacent area
The result of Physical Cell Identifier mould three is equal to the result of the Physical Cell Identifier mould three of 1 or the edge user terminal affiliated subdistrict
Equal to 1, then first frequency domain resource distribution initial position and second frequency domain resource distribution initial position are described the
The value that maximum value in one frequency domain resource is obtained divided by N, the first frequency domain resource distribution direction and second frequency domain resource
Distribution direction includes: that third distributes sub- direction and the sub- direction of third distribution;
It is to distribute initial position from first frequency domain resource or provide from second frequency domain that the third, which distributes sub- direction,
The direction of initial position minimum value into first frequency domain resource is distributed in source, and the sub- direction of the 4th distribution is from described first
Frequency domain resource distributes initial position or maximum into first frequency domain resource from second frequency domain resource distribution initial position
The direction of value, the third distribute the using sequentially prior to the sub- direction of the 4th distribution using sequence in sub- direction, and described
The 4th sub- direction of distribution is dissipating the sub- direction of distribution using described the, will first frequency domain resource distribution initial position or from described
Second frequency domain resource distribution initial position corresponding frequency domain resource of minimum value into first frequency domain resource is fully assigned out
Begin to use after going.
The frequency domain resource allocated in advance in the most strong jamming adjacent area for above-mentioned Inter-Cell Interference Coordination device and institute
It states in the identical situation of frequency domain resource that edge user terminal affiliated subdistrict is allocated in advance, if the object of the most strong jamming adjacent area
The result of reason cell ID mould three is equal to the result etc. of the Physical Cell Identifier mould three of 2 or the edge user terminal affiliated subdistrict
In 2, then the first frequency domain resource distribution initial position and second frequency domain resource initial position are the first frequency domain resource
In minimum value, first frequency domain resource distribution direction and second frequency domain resource distribution direction are from first frequency
Domain resource initial position or from the direction of second frequency domain resource initial position maximum value into first frequency domain resource.
In the present embodiment, above-mentioned Inter-Cell Interference Coordination device can also include: second adjustment module, for according to
Frequency domain resource used in target frequency domain resource and the most strong jamming adjacent area, adjusts the dispatching party of the edge user terminal
Case, to improve the spectrum efficiency of the edge user terminal and the edge user terminal affiliated subdistrict.
In another embodiment of the application, a kind of server is provided, Fig. 7 is referred to, may include: processor
100, memory 200 and data/address bus 300, the processor 100 and the memory 200 are logical by the data/address bus 300
Letter;
The memory 200, for storing program;
The processor 100, for executing described program;
Described program is specifically used for:
It determines the most strong jamming adjacent area of edge user terminal, and determines frequency domain money used in the most strong jamming adjacent area
Source;
From the frequency domain resource that the edge user terminal affiliated subdistrict is allocated in advance, determine and the most strong jamming
The degree of overlapping of frequency domain resource used in adjacent area is no more than the frequency domain resource of default degree of overlapping, as target frequency domain resource;
Frequency domain resource used in the edge user terminal is adjusted to the target frequency domain resource.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device class embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place ginseng
See the part explanation of embodiment of the method.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
For convenience of description, it is divided into various units when description apparatus above with function to describe respectively.Certainly, implementing this
The function of each unit can be realized in the same or multiple software and or hardware when application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment of the application or embodiment
Method described in part.
Detailed Jie has been carried out to a kind of inter-cell interference coordination method, device and server provided herein above
It continues, specific examples are used herein to illustrate the principle and implementation manner of the present application, and the explanation of above embodiments is only
It is to be used to help understand the method for this application and its core ideas;At the same time, for those skilled in the art, according to this Shen
Thought please, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is the limitation to the application.