CN106714306A - Dynamic allocation method of CoMP resource and base station - Google Patents
Dynamic allocation method of CoMP resource and base station Download PDFInfo
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- CN106714306A CN106714306A CN201510411386.XA CN201510411386A CN106714306A CN 106714306 A CN106714306 A CN 106714306A CN 201510411386 A CN201510411386 A CN 201510411386A CN 106714306 A CN106714306 A CN 106714306A
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Abstract
The invention discloses a dynamic allocation method of a CoMP resource and a base station. The method comprises a step of executing for each cell managed by the base station, and a step of judging whether the number of CoMP users of the adjacent cell of the cell is zero or not, and allocating a full spectrum band for the CoMP user of the cell if the number of the CoMP users of the adjacent cell of the cell is zero, otherwise allocating a part of the full spectrum band for the CoMP user of the cell. According to the method and the base station, a frequency band is dynamically allocated according to the current number of the CoMP users of the adjacent cell, interference can be avoided, the CoMP resource can be reasonably allocated, the throughput of a system is improved, and the waste of resources and CoMP resource insufficiency are avoided.
Description
Technical field
The invention belongs to wireless communication field, the dynamically distributes side of CoMP resources is more particularly to
Method and base station.
Background technology
LTE (Long Term Evolution, Long Term Evolution) is by 3GPP (The 3rd
Generation Partnership Project, third generation partner program) UMTS that organizes to set up
(Universal Mobile Telecommunications System, UMTS) skill
The Long Term Evolution of art standard.In LTE system, the handling capacity of Cell Edge User well below
The handling capacity of center of housing estate zone user.In order to improve the data rate of Cell Edge User transmission,
And the handling capacity and average throughput efficiency of raising whole system, LTE-Advanced be (LTE's
Evolution) technical discussion during, introduce it is a kind of utilize separate click-through on geographical position
The method that row collaboration sends or receives, 3GPP be called collaboration multiple spot technology (CoMP,
Coordinated Multi-Point Transmission/Reception)。
The terminal that multipoint cooperative is referred in each cell in base station passes through an access point respectively
(SITE) access network, multiple access points can be managed by a base station, in cell edge
The access point of terminal and adjacent multiple cells connect.In the Working mould based on collaboration multiple spot technology
Under formula, terminal is used with keeping pouring in defeated in different districts, and several access points are simultaneously an end
End service, to improve the covering performance of edge customer (i.e. terminal), it is achieved thereby that improving high
Data rate covering, improve cell edge throughput and (or) improve throughput of system.
CoMP can be the control function using distributed antenna and centralization, can be easy to
Carry out arranging net for semi.It is illustrated in fig. 1 shown below, many access points are all connected to same
Individual base station eNodeB, and each access point can include one or more bay.It is right
For terminal UE, multiple terminal UEs can carry out the transmission of data with multiple access points simultaneously,
And these access points may belong to same base station eNodeB or different base station eNodeBs.
In the transmitting procedure of data, the master controller of base station receives the transmission letter of each access point
Breath, such as channel quality, transmitted data rates etc. determine that distribution is provided so as to make scheduling
Source meets the demand of each terminal and its service quality QoS demand of business, realizes system
The whole amount of telling performance is maximally utilized.
At present, CoMP Resource Allocation Formulas mainly have two kinds：One be divide fixed frequency range to
CoMP user, that is, divide proprietary CoMP frequency ranges, and second is to combine ICIC (Inter Cell
Interference Coordination Inter-Cell Interference Coordination) technology, whole frequency range is divided into three
Point, edge customer and CoMP user common edge frequency band, both existing schemes can not root
According to this cell and the change reasonable distribution resource of adjacent cell CoMP user, so as to cause resource wave
Take or CoMP inadequate resources.
The content of the invention
How reasonable according to the change of cell CoMP user the technical problem to be solved in the present invention is
Distribution CoMP resources.
In order to solve the above-mentioned technical problem, the invention provides a kind of dynamic of CoMP resources point
Method of completing the square, the described method comprises the following steps：
Performed for each cell in each cell for being managed,
Whether the adjacent cell CoMP user number for judging the cell is zero, in the adjacent small of the cell
When area's CoMP user number is zero, for the cell CoMP user distributes Whole frequency band；It is small at this
When the adjacent cell CoMP user number in area is not zero, for cell CoMP user distribution is described
The partial-band of Whole frequency band.
Preferably, when the adjacent cell CoMP user number of the cell is not zero, methods described
Also include：
Judge whether the PCI mod3 of the CoMP user of all adjacent cells of the cell are identical,
It is the cell when PCI mod3 of the CoMP user of all adjacent cells of the cell are identical
CoMP user distributes 1/2nd frequency bands of the Whole frequency band.
Preferably, the adjacent cell CoMP user number in the cell is not zero, and small at this
When the PCI mod3 of the CoMP user of all adjacent cells in area are differed, methods described also includes
Following steps：
/ 3rd frequency bands of the Whole frequency band are distributed for the cell CoMP user.
Preferably, judge the cell adjacent cell CoMP user number whether be zero before,
In adjacent cell of the methods described also including the determination cell the step of CoMP user number：
The adjacent cell CoMP user for receiving the cell increases and delete list, updates the cell
Adjacent cell CoMP user list, and according to the adjacent cell CoMP user of the cell after renewal
List determines the CoMP user number of the adjacent cell of the cell.
Preferably, judge the cell adjacent cell CoMP user number whether be zero before,
The step of methods described also includes whether differentiate user is CoMP user：
If the Reference Signal Received Power of this base station that user receives and the ginseng for receiving adjacent base station
The difference of signal reception power is examined less than predetermined threshold, then the user is CoMP user.
There is a kind of base station corresponding to the above method, the base station includes judge module and distribution
Module,
Each cell that the judge module is used in each cell managed for base station,
Whether the adjacent cell CoMP user number for judging the cell is zero；
Each cell that the distribute module is used in each cell managed for base station,
When the adjacent cell CoMP user number of the cell is zero, for the cell CoMP user is distributed
Whole frequency band；It is cell CoMP when the adjacent cell CoMP user number of the cell is not zero
User distributes the partial-band of the Whole frequency band.
Preferably, the judge module is additionally operable to for each in each cell for being managed
Cell, when the CoMP user number of the adjacent cell of the cell is not zero, judges the cell
Whether the PCI mod3 of the CoMP user of all adjacent cells are identical；
The distribute module be additionally operable in each cell managed for base station each is small
Area, when the CoMP user number of the adjacent cell of the cell is not zero, all neighbours of the cell
For cell CoMP user distribution is described full when the PCI mod3 of the CoMP user of cell are identical
/ 2nd frequency bands of frequency band.
Preferably, the distribute module is additionally operable to every in each cell managed for base station
One cell, is not zero in the CoMP user number of the adjacent cell of the cell, the institute of the cell
For the cell CoMP user is distributed when the PCI mod3 for having the CoMP user of adjacent cell are differed
/ 3rd frequency bands of the Whole frequency band.
Preferably, the base station also includes CoMP user number computing unit, for being managed
Each cell in each cell, the CoMP user number computing unit sentences described
Before other module judges whether the adjacent cell CoMP user number of the cell be zero, this is received small
The adjacent cell CoMP user in area increases and delete list, updates the adjacent cell CoMP of the cell
User list, and according to after renewal the cell the list of adjacent cell CoMP user determine
The CoMP user number of the adjacent cell of the cell.
Preferably, the base station also includes CoMP user judgement unit, the CoMP user
Judgement unit the discrimination module judge the cell adjacent cell CoMP user number whether be
Before zero, judge the Reference Signal Received Power of this base station that user receives and receive adjacent base station
Reference Signal Received Power difference whether be less than predetermined threshold, if what the user received
The difference of the Reference Signal Received Power of this base station and the Reference Signal Received Power for receiving adjacent base station
Value is less than predetermined threshold, then differentiate that the user is CoMP user.
Dynamic allocation method and base station the invention provides a kind of CoMP resources, root of the present invention
Frequency range is distributed according to the current Number dynamics of adjacent cell CoMP user, can be avoided interference, and energy
Reasonable distribution CoMP resources, improve throughput of system, it is to avoid the wasting of resources and CoMP
Inadequate resource.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing to be used needed for embodiment or description of the prior art will be briefly described, show and
Easy insight, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the structural representation of semi network in the prior art using CoMP arrangements；
Fig. 2 is the dynamic allocation method of the CoMP resources of a preferred embodiment one of the invention
Flow chart；
Fig. 3 is the dynamic allocation method of the CoMP resources of a preferred embodiment two of the invention
Flow chart；
Fig. 4 is the structural representation of base station of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the present invention, but can not be used for limiting the scope of the present invention.
To solve the problems, such as that background technology is mentioned the invention discloses a kind of dynamic of CoMP resources
Distribution method, the described method comprises the following steps：
Performed for each cell in each cell for being managed, judge the adjacent small of the cell
Whether area's CoMP user number is zero, if the adjacent cell CoMP user number of the cell is zero
Then for the cell CoMP user distributes Whole frequency band；Otherwise for the cell CoMP user distributes institute
State the partial-band of Whole frequency band.
The Number dynamics that the method adjacent cell CoMP user of present invention offer is current distribute frequency range,
Can avoid interference, and energy reasonable distribution CoMP resources, improve throughput of system, it is to avoid
The wasting of resources and CoMP inadequate resources.
Further, when the adjacent cell CoMP user number of the cell is not zero, the side
Method also includes：
Judge whether the PCI mod3 of the CoMP user of all adjacent cells of the cell are identical,
It is the cell when PCI mod3 of the CoMP user of all adjacent cells of the cell are identical
CoMP user distributes 1/2nd frequency bands of the Whole frequency band.
In the case of above-mentioned, there is the PCI of the cell of multipoint cooperative request in the adjacent cell of the cell
Mod3 is identical, therefore the cell CoMP user can take 1/2nd frequency bands of Whole frequency band,
The cell for having multipoint cooperative to ask in the adjacent cell of the cell takes remaining 1/2nd frequency band,
This processing mode realizes dynamically distributes frequency range, can avoid interference, and can reasonable distribution CoMP
Resource, improves throughput of system, it is to avoid the waste of resource.
Further, the adjacent cell CoMP user number in the cell is not zero, and at this
When the PCI mod3 of the CoMP user of all adjacent cells of cell are differed, methods described is also wrapped
Include following steps：
/ 3rd frequency bands of the Whole frequency band are distributed for the cell CoMP user.
In the case of above-mentioned, there is the PCI of the cell of multipoint cooperative request in the adjacent cell of the cell
Mod3 is differed, thus the cell adjacent cell PCI mod3 by two kinds of values, and with
The PCI mod3 of the cell are different, therefore the cell CoMP user can take the three of Whole frequency band
/ mono- frequency band, has the cell that multipoint cooperative is asked according to PCI mod3 in the adjacent cell of the cell
Difference takes remaining 1/3rd frequency band respectively, and this processing mode is according to CoMP user number
Amount realizes dynamically distributes frequency range using PCI mod3 differences, improves the handling capacity of system, it is to avoid
The waste of resource.
Further, judge the cell adjacent cell CoMP user number whether be zero before,
Methods described also includes the step of determining CoMP user number：
The adjacent cell CoMP user for receiving the cell increases and delete list, updates the cell
Adjacent cell CoMP user list, and according to the adjacent cell CoMP user of the cell after renewal
List determines the CoMP user number of the adjacent cell of the cell.
Renewal to CoMP user list can accurately determine CoMP user number, Wie
The distribution of following resource provides reliable data.
Further, judge the cell adjacent cell CoMP user number whether be zero before,
The step of methods described also includes whether differentiate user is CoMP user：
If the Reference Signal Received Power of this base station that user receives and the ginseng for receiving adjacent base station
The difference of signal reception power is examined less than predetermined threshold, then the user is CoMP user.
It is not all and user is CoMP user in one base station, it is therefore desirable to
Family differentiated and divided, can preferably for CoMP user provides service.Predetermined threshold
Can be determined according to time requirement.
Corresponding to the above method this application discloses a kind of base station, as shown in figure 4, the base station
Including judge module and distribute module, the judge module is each for what is managed for base station
Each cell in individual cell, judge the cell adjacent cell CoMP user number whether be
Zero；Each cell that the distribute module is used in each cell managed for base station,
When the adjacent cell CoMP user number of the cell is zero, for the cell CoMP user is distributed
Whole frequency band；It is cell CoMP when the adjacent cell CoMP user number of the cell is not zero
User distributes the partial-band of the Whole frequency band.
Further, it is each during the judge module is additionally operable to for each cell for being managed
Individual cell, when the CoMP user number of the adjacent cell of the cell is not zero, judges the cell
All adjacent cells CoMP user PCI mod3 it is whether identical；
The distribute module be additionally operable in each cell managed for base station each is small
Area, when the CoMP user number of the adjacent cell of the cell is not zero, all neighbours of the cell
For cell CoMP user distribution is described full when the PCI mod3 of the CoMP user of cell are identical
/ 2nd frequency bands of frequency band.
Further, the distribute module is additionally operable in each cell managed for base station
Each cell, is not zero in the CoMP user number of the adjacent cell of the cell, the cell
It is the cell CoMP user point when the PCI mod3 of the CoMP user of all adjacent cells are differed
/ 3rd frequency bands with the Whole frequency band.
Further, the base station also includes CoMP user number computing unit, for being managed
Each cell in each cell of reason, the CoMP user number computing unit is described
Before discrimination module judges whether the adjacent cell CoMP user number of the cell be zero, receiving should
The adjacent cell CoMP user of cell increases and delete list, updates the adjacent cell CoMP of the cell
User list, and according to after renewal the cell the list of adjacent cell CoMP user determine
The CoMP user number of the adjacent cell of the cell.
Further, the base station also includes CoMP user judgement unit, and the CoMP is used
Family judgement unit the discrimination module judge the cell adjacent cell CoMP user number whether
Before being zero, judge the Reference Signal Received Power of this base station that user receives and receive adjacent base
Whether the difference of the Reference Signal Received Power stood is less than predetermined threshold, if the user receives
This base station Reference Signal Received Power and the Reference Signal Received Power for receiving adjacent base station
Difference is less than predetermined threshold, then differentiate that the user is CoMP user.
Corresponding to the method for the present invention during above-mentioned base station, therefore possesses the side with the invention described above
Method identical technique effect, repeats no more here.
In order to be described in more details to the method for the present invention, two embodiments presented below.
Embodiment one：
The invention discloses a kind of dynamic allocation method of CoMP resources, as shown in Fig. 2 institute
The method of stating is comprised the following steps：
S1, reception adjacent cell CoMP user increase and delete list and this cell CoMP use
Family increases and delete list, updates the list of this cell CoMP user and adjacent cell CoMP is used
Family list；
S2, according to the list of this cell CoMP user and adjacent cell CoMP user list, really
Fixed this cell CoMP user number and adjacent cell CoMP user number；If this cell CoMP
User's number is zero end distribution, otherwise judges whether adjacent cell CoMP user number is zero,
If then this cell CoMP uses the corresponding Whole frequency band of this cell base station；Otherwise judge all neighbours
Whether the PCI mod3 of cell CoMP user are identical, if this cell CoMP user uses institute
/ 2nd of Whole frequency band are stated, otherwise this cell CoMP user uses three points of the Whole frequency band
One of.
Above-mentioned PCI (Physical Cell Identity) physical-layer cell identification, as the term suggests,
The effect of PCI is exactly for recognizing cell.PCI is made up of PSS and SSS, synchronous based on PSS
Signal, there is 3 kinds of different sequences, constitutes physical layer identification (0-2)；SSS-auxiliary synchronous signals, has
168 kinds of different sequences, constitute physical layer cell identification group (0~167)；168 physical layers are known
The scope 0 of the identification of every group of 3 physical layer, PCI=3*SSS+PSS, therefore PCI in other group~
503, totally 504 values.Under identical networking scene, the PCI planning of network needs any cell
Do not repeated with all adjacent cell PCI, two neighboring adjacent area PCI is not repeated.Generally PCI is adopted
It is divided into 168 groups, the value of PCI moulds 3 (0,1,2), i.e., PCI recited above with the mode of mould 3
mod3。
Further, in the above method, if the PCI mod3 phases of all adjacent cell CoMP users
Together, then judge the PCI mod3 of this cell CoMP user whether less than adjacent cell CoMP user
PCI mod3, if then this cell CoMP user is low by 1/2nd using the Whole frequency band
Frequency band, otherwise this cell CoMP user use 1/2nd frequency band high of the Whole frequency band.This
Invention distinguishes different user or terminals, different type according to the PCI mod3 values of CoMP user
User or the corresponding frequency band of terminal distribution.Which kind of user to distribute any frequency band for can be with
Determined according to actual conditions, be not limited, therefore in the above-mentioned methods, in all adjacent cells
In the case of the PCI mod3 identicals of CoMP user, if the PCI of this cell CoMP user
Whether mod3 is less than the PCI mod3 of adjacent cell CoMP user, if then this cell CoMP
User can also be used using 1/2nd frequency band high of the Whole frequency band, otherwise this cell CoMP
Family can use low 1/2nd frequency band of the Whole frequency band.
Further, in the above method, if the PCI mod3 of all adjacent cell CoMP users are not
Identical, then this cell CoMP user is according to corresponding in its PCI mod3 occupancy Whole frequency bands
/ 3rd frequency bands.According to actual conditions corresponding frequency can certainly be distributed according to user types
Band, is not limited here.
Further, the adjacent cell belongs to same base station with described cell, naturally it is also possible to
It is not belonging to same cell.
Further, the adjacent cell is the cell that collaboration multicast communication request is proposed to this cell.
6 cells typically are assigned around one cell, PCI mod3 and this cell of this six cells
The different and adjacent adjacent cells of PCI mod3 PCI mod3 values also difference.But this
Six cells all should not propose collaboration multicast communication request to this cell, therefore only need to carrying
Go out to cooperate with the analysis of cell memory and process that multicast communication is asked.
Further, the CoMP user is to meet the user of following condition in community user：
The Reference Signal Received Power RSRP of this base station for receiving believes with the reference for receiving adjacent base station
The difference of number receiving power RSRP is less than predetermined threshold.Predetermined threshold is as the case may be
Limit.
To sum up, the invention provides method, according to adjacent cell CoMP user information and adjacent cell
PCI information carrys out dynamic and divides frequency range.If adjacent cell CoMP user is zero, this cell CoMP
User can use Whole frequency band；If have received the cooperation request of adjacent cell, judge that sending cooperation asks
Whether the PCI mod 3 of these adjacent cells asked are identical, if identical, this cell CoMP
User's available frequency band is the 1/2 of Whole frequency band, and specially low-frequency range or high band depends on this cell
Whether the results of PCI mod 3 are more than the results of adjacent cell PCI mod 3；If sending cooperation request
The PCI mod 3 of these adjacent cells are different, then this cell CoMP user available frequency band is complete
Frequency band 1/3.
Embodiment two：
The method of the present embodiment is comprised the following steps, as shown in Figure 3：
1) this cell CoMP user for receiving the transmission of this cell CoMP judging modules increases and deletes
Except the CoMP user that list and adjacent cell are transmitted increases and delete list；
The Reference Signal Received Power of this base station that CoMP judging modules are received according to terminal
Whether the difference of the RSRP and Reference Signal Received Power RSRP for receiving adjacent base station is less than predetermined
Threshold value is judged for condition, is CoMP user if less than predetermined threshold, otherwise not
It is；
2) increased according to this cell CoMP user and delete list and the CoMP of adjacent cell transmission
User increases the CoMP user list CoMP that this cell and adjacent cell are updated with delete list
The CoMP of _ UE_List and Neighbor_CoMP_UE_List, minute book cell and adjacent cell
User's number CoMP_UE_Num and Neighbor_CoMP_UE_Num；
3) judge whether this cell CoMP user number CoMP_UE_Num is 0, in this way,
Then it is transferred to step 11), otherwise it is transferred to step 4)；
4) judge adjacent cell CoMP user number Neighbor_CoMP_UE_Num whether be
0, if it is, being transferred to step 10), otherwise it is transferred to step 5)；
5) judge whether the PCI mod 3 of the adjacent cell of all request cooperations are identicalIf it is,
It is transferred to step 6), otherwise it is transferred to step 9)；
6) judge the results of this cell PCI mod 3 whether less than the results of adjacent cell PCI mod 3Such as
Fruit is then to be transferred to step 7), otherwise it is transferred to step 8)；
7) the CoMP frequency bands of this cell are indicated into Usable_CoMP_PRB_Indication values
1/2 low-frequency band that 1, i.e. this cell CoMP user take Whole frequency band is set to, step 11 is transferred to)；
8) the CoMP frequency bands of this cell are indicated into Usable_CoMP_PRB_Indication values
1/2 high frequency band that 2, i.e. this cell CoMP user take Whole frequency band is set to, step 11 is transferred to)；
9) the CoMP frequency bands of this cell are indicated into Usable_CoMP_PRB_Indication values
3, i.e. this cell CoMP user are set to according to PCImod3 results, corresponding 1/3 is taken
Frequency band, if such as PCImod3 values are 0, this cell CoMP user is compiled in taking Whole frequency band
Number for 0 1/3 frequency band, if PCImod3 values be 1, this cell CoMP user take entirely
Numbering is 1 1/3 frequency band in frequency band, if PCImod3 values are 2, this cell CoMP is used
Family take Whole frequency band in numbering be 2 1/3 frequency band but might not frequency band number with
PCImod3 values are identical, if the cell of difference PCImod3 values take different frequency bands just can be with；
10) the CoMP frequency bands of this cell are indicated into Usable_CoMP_PRB_Indication values
The CoMP user Whole frequency band for being set to 0, i.e. this cell can use；
11) terminate.
The present embodiment is according to this cell CoMP user and the current quantity of adjacent cell CoMP user
Dynamically distributes frequency range, can avoid interference, and can reasonable distribution CoMP resources, raising system
Handling capacity, it is to avoid the wasting of resources and CoMP inadequate resources.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although ginseng
The present invention has been described in detail according to embodiment, it will be understood by those within the art that,
Various combinations, modification or equivalent are carried out to technical scheme, without departure from this
The spirit and scope of inventive technique scheme, all should cover in the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of dynamic allocation method of CoMP resources, it is characterised in that methods described includes
Following steps：
Performed for each cell in each cell for being managed,
Whether the adjacent cell CoMP user number for judging the cell is zero, in the adjacent small of the cell
When area's CoMP user number is zero, for the cell CoMP user distributes Whole frequency band；It is small at this
When the adjacent cell CoMP user number in area is not zero, for cell CoMP user distribution is described
The partial-band of Whole frequency band.
2. method according to claim 1, it is characterised in that in the adjacent cell of the cell
When CoMP user number is not zero, methods described also includes：
Judge whether the PCI mod3 of the CoMP user of all adjacent cells of the cell are identical,
It is the cell when PCI mod3 of the CoMP user of all adjacent cells of the cell are identical
CoMP user distributes 1/2nd frequency bands of the Whole frequency band.
3. method according to claim 1, it is characterised in that in the adjacent cell of the cell
CoMP user number is not zero, and all adjacent cells in the cell CoMP user
When PCI mod3 are differed, methods described is further comprising the steps of：
/ 3rd frequency bands of the Whole frequency band are distributed for the cell CoMP user.
4. method according to claim 1, it is characterised in that judging the neighbour of the cell
Before whether cell CoMP user number is zero, methods described also includes determining the neighbour of the cell
In cell the step of CoMP user number：
The adjacent cell CoMP user for receiving the cell increases and delete list, updates the cell
Adjacent cell CoMP user list, and according to the adjacent cell CoMP user of the cell after renewal
List determines the CoMP user number of the adjacent cell of the cell.
5. method according to claim 1, it is characterised in that judging the neighbour of the cell
Before whether cell CoMP user number is zero, methods described also include differentiate user whether be
The step of CoMP user：
If the Reference Signal Received Power of this base station that user receives and the ginseng for receiving adjacent base station
The difference of signal reception power is examined less than predetermined threshold, then the user is CoMP user.
6. a kind of base station, it is characterised in that the base station includes judge module and distribute module,
Each cell that the judge module is used in each cell managed for base station,
Whether the adjacent cell CoMP user number for judging the cell is zero；
Each cell that the distribute module is used in each cell managed for base station,
When the adjacent cell CoMP user number of the cell is zero, for the cell CoMP user is distributed
Whole frequency band；It is cell CoMP when the adjacent cell CoMP user number of the cell is not zero
User distributes the partial-band of the Whole frequency band.
7. base station according to claim 6, it is characterised in that the judge module is also used
Each cell in for each cell for being managed, in the CoMP of the adjacent cell of the cell
When user's number is not zero, the PCI of the CoMP user of all adjacent cells of the cell is judged
Whether mod3 is identical；
The distribute module be additionally operable in each cell managed for base station each is small
Area, when the CoMP user number of the adjacent cell of the cell is not zero, all neighbours of the cell
For cell CoMP user distribution is described full when the PCI mod3 of the CoMP user of cell are identical
/ 2nd frequency bands of frequency band.
8. base station according to claim 7, it is characterised in that the distribute module is also used
Each cell in each cell managed for base station, in the adjacent cell of the cell
CoMP user number is not zero, the PCI mod3 of the CoMP user of all adjacent cells of the cell
It is 1/3rd frequency bands of the cell CoMP user distribution Whole frequency band when differing.
9. base station according to claim 6, it is characterised in that the base station also includes
CoMP user number computing unit, for each cell in each cell for being managed, institute
State the adjacent cell that CoMP user number computing unit judges the cell in the discrimination module
Before whether CoMP user number is zero, the adjacent cell CoMP user for receiving the cell increases
And delete list, update the adjacent cell CoMP user list of the cell, and according to renewal after
The adjacent cell CoMP user list of the cell determines that the CoMP of the adjacent cell of the cell is used
Family number.
10. base station according to claim 6, it is characterised in that the base station also includes
CoMP user judgement unit, the CoMP user judgement unit judges in the discrimination module
Before whether the adjacent cell CoMP user number of the cell is zero, the Ben Ji that user receives is judged
The Reference Signal Received Power stood is with the difference of the Reference Signal Received Power for receiving adjacent base station
It is no less than predetermined threshold, if the Reference Signal Received Power of this base station that receives of the user with
The difference of Reference Signal Received Power of adjacent base station is received less than predetermined threshold, then differentiating should
User is CoMP user.
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Application publication date: 20170524 |