CN102833755B - Method and device for constructing CoMP (Coordinated Multi-Point) cell coordination set - Google Patents
Method and device for constructing CoMP (Coordinated Multi-Point) cell coordination set Download PDFInfo
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- CN102833755B CN102833755B CN201110162584.9A CN201110162584A CN102833755B CN 102833755 B CN102833755 B CN 102833755B CN 201110162584 A CN201110162584 A CN 201110162584A CN 102833755 B CN102833755 B CN 102833755B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
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Abstract
The invention discloses a method and a device for constructing a CoMP (Coordinated Multi-Point) cell coordination set, which are used for reducing the calculation complexity and promoting the system performance. The method comprises the following steps of: determining terminals to be subjected to CoMP operation and generating a CoMP terminal list; selecting a terminal from the CoMP terminal list; and if acquiring information of adjacent terminals in a preset range around the selected terminal by utilizing a positioning technology, selecting base stations which the adjacent terminals belong to to form a first CoMP cell coordination set of the selected terminal, wherein the selected terminal and the adjacent terminals to be subjected to CoMP operation share the first CoMP cell coordination set. The device comprises a CoMP terminal list generating module, a selecting module and a CoMP cell coordination set constructing module. After the method and the device which are disclosed by the invention are adopted, position information of users is introduced when the CoMP cell coordination set is constructed and the same coordination cluster is adopted for the users at close positions, so that the calculation complexity is reduced and the system performance is effectively promoted.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of structure coordinated multipoint transmission (CoMP) cell cooperative
The method and device of collection.
Background technology
Existing LTE-Advanced (evolution of LTE) system adopts identical networking technology, OFDM (OFDM)
Access way the information of intra-cell users is carried in mutually orthogonal different sub carrier, so as to avoid intra-cell users
Between multi-access inference, cannot but suppress presence of intercell interference (ICI, Inter-Cell Interference).For cell edge is used
For family, useful signal intensity is little, and the interference signal intensity for being simultaneously from neighbor cell is big so that edge customer cannot be fine
Service.Therefore, presence of intercell interference suppresses to become problem demanding prompt solution in LTE-Advanced systems.
In order to solve this problem, industry proposed once various technologies, such as Power Control, flexible channeling,
Random disturbances elimination etc..These technologies can improve edge user throughput, but be reduced to cost with cell entire throughput.
In this case, coordinated multipoint transmission (CoMP) technology is suggested.
CoMP technologies are that the skill of data transfer is realized using the cooperation on geographical position between detached multiple transmission point
Art, wherein, multiple transmission point refers to different network side access nodes, including but not limited to evolution base station (eNB) or it is wireless in
After node.The principle of this technology be multiple base stations by the way of distributed network MIMO synergistically to edge customer provide clothes
Business, so as to effectively improve effective Signal to Interference plus Noise Ratio of edge customer, as shown in Figure 1.It is first to construct using the premise of this technology
Suitable CoMP cell coordination set, i.e. CoMP clusters.
Structure CoMP collaboration sets are referred to from adjacent multiple base stations and select several base stations to form a cluster.It is existing
CoMP collaboration sets construction method mainly has three classes, and a class is to form CoMP clusters in a position-stable manner, and feature is to select fixed number
Base station forms cluster, and all user's correspondence identical cooperative clusters, method is simple, but systematic function is lifted limited；It is another kind of be with
User-center forms CoMP clusters, can form cluster according to the demand of user, and performance boost is than larger, but complexity is too high；Also
There is a class to be that, based on fixed CoMP clusters, customer-centric forms final CoMP clusters, feature is to predefine a big association
Work collects (pre- collaboration set), is then dynamically selected the base station for participating in cooperation, this kind of method in pre- collaboration set according to user's request
It is the compromise of front two classes method, and then the compromise between availability and complexity.3rd class method is to discuss to compare in the industry
Many methods.
Existing method is dynamically selected the base station for participating in cooperation according to the demand of each user in pre- cooperative cluster mostly, its
In or have and judge to select the method for final cooperative cluster or have using the algorithm of complexity selecting final association using Parameters threshold
The method for making cluster.But with the expansion of network size, existing these methods still can bring sharply increasing for complexity, property
The problem that but may can not lifted accordingly.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method and device of structure CoMP cell coordination set, reduces meter
Calculate complexity, lift system performance.
To solve above-mentioned technical problem, the invention provides a kind of structure coordinated multipoint transmission (CoMP) cell cooperative collection
Method, including：
Determine the terminal of pending CoMP operation, generate CoMP terminal list；
Terminal is selected from the CoMP terminal list；
If obtaining the information of the adjacent end in selected terminal surrounding preset range using location technology, phase is chosen
First CoMP cell coordination set of terminal, selected terminal and pending CoMP operation selected by adjacent terminal own base station composition
Adjacent end share first CoMP cell coordination set.
Further, the terminal for determining pending CoMP operation, generates CoMP terminal list, including：
Selected to need the terminal for carrying out CoMP operation from default network area according to QoS parameter, according to service
Mass parameter is ranked up to the terminal for needing to carry out CoMP operation, generates CoMP terminal list.
Further, it is described the terminal for needing to carry out CoMP operation is ranked up according to QoS parameter, including：Press
The terminal for needing to carry out CoMP operation is ranked up according to service quality, the worst terminal of service quality is come into foremost；
Terminal is selected from the CoMP terminal list, including：The worst terminal of prioritizing selection service quality.
Further, if described obtain adjacent end in selected terminal surrounding preset range using location technology
Information, then choose the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition, including：
The positional information of selected terminal is obtained using location technology, judges whether have in the terminal surrounding preset range
Adjacent end, if it has, then obtaining the letter of the adjacent end in the selected terminal surrounding preset range using location technology
Breath, chooses the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition.
Further, judge in the terminal surrounding preset range if without adjacent end, then obtained using location technology
The information of one or more base stations in the selected terminal surrounding preset range is obtained, the default model of selected terminal surrounding is chosen
One or more base stations in enclosing constitute the second CoMP cell coordination set of the selected terminal.
Further, first CoMP cell coordination set for choosing the selected terminal of adjacent end own base station composition,
Including：Choose rate of load condensate in all adjacent end own base stations little less than base station composition the first CoMP of default first thresholding
Area's collaboration set.
Further, to constitute this selected one or more base stations in terminal surrounding preset range selected by the selection
Second CoMP cell coordination set of terminal, including：Choose rate of load condensate in all base stations in selected terminal surrounding preset range
Second CoMP cell coordination set is constituted less than the base station of default second thresholding.
Further, after the completion of the first CoMP cell coordination set composition of selected terminal, from the CoMP terminal list
The middle adjacent end for deleting the selected terminal and pending CoMP operation, continues to be selected eventually from the CoMP terminal list
End, builds the CoMP cell coordination set of selected terminal, without till terminal in the CoMP terminal list.
Further, methods described also includes：Periodically the service quality of all terminals for carrying out CoMP operation is carried out multiple
Look into, to decide whether to update the CoMP cell coordination set of the terminal.
To solve above-mentioned technical problem, present invention also offers a kind of build coordinated multipoint transmission (CoMP) cell cooperative collection
Device, including CoMP terminal list generation module, selecting module, and CoMP cell coordination set builds module, wherein：
The CoMP terminal list generation module, for determining the terminal of pending CoMP operation, generates CoMP terminals row
Table；
The selecting module, for selecting terminal from the CoMP terminal list；
The CoMP cell coordination set builds module, for obtaining default in selected terminal surrounding using location technology
In the range of adjacent end information when, choose the first CoMP cell coordination of the selected terminal of adjacent end own base station composition
The adjacent end of collection, selected terminal and pending CoMP operation shares first CoMP cell coordination set.
Further, the CoMP terminal list generation module is used to determine pending CoMP operation in the following ways
Terminal, generates CoMP terminal list：Selected to need to carry out CoMP operation from default network area according to QoS parameter
Terminal, the terminal for needing to carry out CoMP operation is ranked up according to QoS parameter, service quality is worst
Terminal comes foremost, generates CoMP terminal list；
The selecting module is used to select terminal from the CoMP terminal list in the following ways：Prioritizing selection is serviced
The worst terminal of quality.
Further, the CoMP cell coordination set is built module and is used to obtained using location technology in the following ways
During the information of the adjacent end in selected terminal surrounding preset range, adjacent end own base station composition is chosen selected eventually
First CoMP cell coordination set at end：
The positional information of selected terminal is obtained using location technology, judges whether have in the terminal surrounding preset range
Adjacent end, if it has, then obtaining the letter of the adjacent end in the selected terminal surrounding preset range using location technology
Breath, chooses the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition；
The CoMP cell coordination set builds module and is additionally operable to judging in the terminal surrounding preset range if without phase
During adjacent terminal, the information of one or more base stations in the selected terminal surrounding preset range is obtained using location technology,
Choose the second CoMP cell association that one or more base stations in selected terminal surrounding preset range constitute the selected terminal
Work collects.
Further, the CoMP cell coordination set builds module and is used to choose the affiliated base of adjacent end in the following ways
First CoMP cell coordination set of the selected terminal of composition of standing：Rate of load condensate is chosen in all adjacent end own base stations less than default
The base station of the first thresholding constitutes first CoMP cell coordination set；
The CoMP cell coordination set builds module to be used to choose selected terminal surrounding preset range in the following ways
One or more interior base stations constitute the second CoMP cell coordination set of the selected terminal：Choose selected terminal surrounding to preset
In the range of all base stations in rate of load condensate constitute second CoMP cell coordination set less than the base station of default second thresholding.
Further, described device also includes update module, and it is used for periodically to all terminals for carrying out CoMP operation
Service quality is checked, to determine whether to update the CoMP cell coordination set of the terminal.
Using the method for the invention and device, it is contemplated that some similar characteristics of close positions user, are building
The positional information of user is introduced during CoMP cell coordination set, identical cooperative cluster is adopted to the user of close positions, dropped significantly
Low computation complexity.In addition, the present invention improves wireless communications environment in small area, more it is of practical significance, can has
The lift system performance of effect.
Description of the drawings
Fig. 1 is using CoMP technologies and does not adopt the communication system schematic diagram of CoMP technologies；
Fig. 2 is the flow chart that the embodiment of the present invention 1 builds collaboration set using location technology；
Fig. 3 is the flow chart that the embodiment of the present invention 2 builds collaboration set using location technology；
Fig. 4 is the schematic diagram that the embodiment of the present invention 2 builds collaboration set using location technology.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutual combination in any.
Embodiment 1
As shown in Fig. 2 the method that the present embodiment builds CoMP cell coordination set is comprised the following steps：
Step 210, determines the terminal of pending CoMP operation, generates CoMP terminal list；
The CoMP terminal list is determined according to QoS parameter, specifically can be determined using following methods：
Selected to need to carry out the mobile terminal of CoMP operation from the default network area according to QoS parameter, and
Need the mobile terminal for carrying out CoMP operation to be ranked up these according to certain QoS parameter, obtain above-mentioned CoMP terminals row
Table.
Need the mobile terminal for carrying out CoMP operation to be usually and be disturbed more serious terminal in cell edge.Above-mentioned use
To choose one or more for needing the QoS parameter for carrying out CoMP operation mobile terminal to include in following parameter：Signal interference ratio
(Signal Interference Noise Ratio abbreviation SINR), Reference Signal Received Quality (Reference Signal
Receive Quality, abbreviation RSRQ), reference signal incoming level (Reference Signal Receive Power, letter
Claim RSRP), and the function comprising above-mentioned one or more parameters.After being selected for use as selecting the QoS parameter of terminal,
The threshold values of the QoS parameter is set, by the QoS parameter measured value and valve of all mobile terminals in default network area
Value is compared, and as a rule, if measured value is considered as the in poor service of the user terminal less than this threshold values, needs to carry out
CoMP operation, to the user terminal for carrying out CoMP operation in need be ranked up according to service quality, service quality is worst
Terminal come foremost and (be ranked up according to the size of measured value, such as before the minimum terminal of measured value is come most
Face), obtain CoMP terminal list.It is preferential to carry out CoMP operation to servicing worst user.
Step 220, from the CoMP terminal list terminal is selected；
The worst terminal of prioritizing selection service quality, the selected terminal is properly termed as feudal lord.
Step 230, if obtaining the information of the adjacent end in selected terminal surrounding preset range using location technology,
Then choose the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition, selected terminal and pending
The adjacent end of CoMP operation shares first CoMP cell coordination set.
Specifically include：
The positional information of selected terminal is obtained using location technology, judges whether have in the terminal surrounding preset range
Adjacent end, if it has, then obtaining the letter of the adjacent end in the selected terminal surrounding preset range using location technology
(whether such as terminal iidentification and positional information, the base station according to belonging to terminal iidentification can determine the terminal, and the terminal for breath
In the medium information of CoMP terminal list), choose the first CoMP cell coordination of the selected terminal of adjacent end own base station composition
Collection.If it is determined that then being obtained at the selected end using location technology without adjacent end in the terminal surrounding preset range
The information (such as Base Station Identification) of one or more base stations around end in preset range, chooses the default model of selected terminal surrounding
One or more base stations in enclosing constitute the second CoMP cell coordination set of the selected terminal.
The relatively small base station of prioritizing selection load enters collaboration set.Including：Choose all adjacent end own base stations
Middle rate of load condensate constitutes first CoMP cell coordination set less than the base station of default first thresholding.And, choose selected terminal
Rate of load condensate constitutes the second CoMP cell association less than the base station of default second thresholding in all base stations in surrounding preset range
Work collects.
The default scope of the selected terminal surrounding is properly termed as consular district, and consular district can be set to centered on feudal lord position
Geometric ranges.Adjacent end in the consular district can be described as the subordinate terminal of feudal lord.
Above-mentioned location technology includes：Satellite radio positioning, terrestrial wireless positioning, or the various positioning such as hybrid positioning technology
Technology.
After the completion of the CoMP cell coordination set composition of selected terminal, the selected end is deleted from the CoMP terminal list
End, if the adjacent end of pending CoMP operation, then also deletes the adjacent end.Continue to the end in CoMP terminal list
The operation of end repeat the above steps 220-230, all terminals have all built CoMP cell coordination in CoMP terminal list
Collection.
After the CoMP cell coordination set of the selected terminal of composition, selected terminal carries out CoMP operation, i.e., selected terminal
Own base station and the CoMP cell coordination set in base station collaboration to selected terminal transmission data.
Preferably, periodically the service quality of all terminals for carrying out CoMP operation checked, to decide whether to update
The CoMP cell coordination set of the terminal.If the threshold value of the measured value less than setting of the parameter of service quality is characterized, to the end
End repeats step 230, updates the CoMP cell coordination set of the terminal.
CoMP cell coordination set is shared by terminal and adjacent end so that all in CoMP terminal list in consular district
User adopt identical cooperative cluster, it is not necessary to individually calculate for each user, reduce amount of calculation, reduce complexity.
Realizing the device of said method includes CoMP terminal list generation module, selecting module, and CoMP cell coordination
Collection builds module, wherein：
The CoMP terminal list generation module, for determining the terminal of pending CoMP operation, generates CoMP terminals row
Table；
The selecting module, for selecting terminal from the CoMP terminal list；
The CoMP cell coordination set builds module, for obtaining default in selected terminal surrounding using location technology
In the range of adjacent end information when, choose the first CoMP cell coordination of the selected terminal of adjacent end own base station composition
The adjacent end of collection, selected terminal and pending CoMP operation shares first CoMP cell coordination set.
Preferably, the CoMP terminal list generation module is used to determine the end of pending CoMP operation in the following ways
End, generates CoMP terminal list：Selected to need to carry out CoMP operation from default network area according to QoS parameter
Terminal, is ranked up according to QoS parameter to the terminal for needing to carry out CoMP operation, by service quality worst end
End comes foremost, generates CoMP terminal list；The selecting module is used in the following ways from the CoMP terminal list
Middle selection terminal：The worst terminal of prioritizing selection service quality.
Preferably, the CoMP cell coordination set is built module and is used to obtained using location technology in the following ways
During the information of the adjacent end in selected terminal surrounding preset range, the selected terminal of adjacent end own base station composition is chosen
The first CoMP cell coordination set：The positional information of selected terminal is obtained using location technology, judges pre- in the terminal surrounding
If whether having adjacent end in scope, if it has, then being obtained in the selected terminal surrounding preset range using location technology
Adjacent end information, choose the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition；
The CoMP cell coordination set builds module and is additionally operable to judging in the terminal surrounding preset range if without phase
During adjacent terminal, the information of one or more base stations in the selected terminal surrounding preset range is obtained using location technology,
Choose the second CoMP cell association that one or more base stations in selected terminal surrounding preset range constitute the selected terminal
Work collects.
Preferably, the CoMP cell coordination set builds module and is used to choose adjacent end own base station in the following ways
First CoMP cell coordination set of the selected terminal of composition：Rate of load condensate is chosen in all adjacent end own base stations less than default the
The base station of one thresholding constitutes first CoMP cell coordination set；The CoMP cell coordination set builds module to be used for using following
Mode choose one or more base stations in selected terminal surrounding preset range constitute the selected terminal the 2nd CoMP it is little
Area's collaboration set：Choose base station of the rate of load condensate less than default second thresholding in all base stations in selected terminal surrounding preset range
Constitute second CoMP cell coordination set.
Preferably, described device also includes update module, and it is used for clothes periodically to all terminals for carrying out CoMP operation
Business quality is checked, to determine whether to update the CoMP cell coordination set of the terminal.
Embodiment 2
For the ease of implementing and understanding the present invention, below said method is illustrated with a specific example.The present embodiment
The QoS parameter being related to is：Signal Interference and Noise Ratio (SINR, Signal InterferenceNoise Ratio).As schemed
Shown in 3, comprise the following steps：
Step 310, determines the pre- collaboration sets of CoMP and pre- CoMP operation terminal list；Specifically include：
310-1：A geographic area (such as Central Commercial, cities and towns etc.) is divided as needed, by the region
The Network Access Points such as all of base station are used as big pre- collaboration set C0；
310-2：To C0In all of terminal UNonCoMP={ uNonCoMP_j(do not include and have determined the end for carrying out CoMP operation
End) calculate signal interference ratio SINRNCj, and with threshold values SINR_Threshold0Relatively, all terminals less than threshold values all add pre-
CoMP operation terminal list.
Step 320, it is determined that preferential CoMP terminal list (CoMP terminal list i.e. in embodiment 1)；Specifically include：
To the terminal in pre- CoMP operation terminal list, sort by Signal to Interference plus Noise Ratio, before the terminal of Signal to Interference plus Noise Ratio difference comes,
Obtain preferential CoMP terminal list；
Step 330, preferential CoMP terminal list selects feudal lord's terminal, and using location technology the consular district of feudal lord's terminal is determined
And its subordinate terminal；Specifically include：
330-1：By first terminal u in preferential CoMP terminal listCoMPopt_0(coming terminal above) is defined as neck
Master terminal, by network side the positional information (such as two-dimensional coordinate) of feudal lord's terminal is obtained using location technology, and will be with the neck
Radius centered on master terminal is defined as the consular district of the terminal for the scope of R, as shown in Figure 4；
330-2：Determine the mark letter of all user terminals (subordinate terminal of feudal lord's terminal) in consular district using location technology
Breath, the base station according to belonging to those identification informations determine each subordinate terminal, and then determine the information such as the rate of load condensate of these base stations；
Step 340, determines the CoMP cell coordination set of feudal lord's terminal；Specifically include：
Base station belonging to all of subordinate terminal in feudal lord's terminal consular district is investigated, if load of base station rate is less than pre-
Gating is limited, and the CoMP cell coordination set that the base station is selected into feudal lord's terminal is closed；If it is selected in without base station, or each base station
Rate of load condensate is all very high, then orient the relatively low base station of one or more nearest rate of load condensate as the neck using location technology
The CoMP cell coordination set of master terminal is closed.
Step 350, the relevant treatment of subordinate terminal；Specifically include：
If judging that subordinate terminal belongs to preferential CoMP terminal list, subordinate terminal and feudal lord's terminal adopt identical
CoMP cell coordination set；The subordinate terminal and feudal lord's terminal add CoMP operation termination set, and from preferential CoMP terminal list
Middle deletion.
CoMP terminals in same consular district, because geographical position is close, and using identical collaboration set, now adopt
Call collaboration CS transmission plans perhaps simpler effective.More effective transmission plan can be formulated according to this characteristic.
The CoMP operation termination set is the set for saving all terminals for carrying out CoMP operation, for the CoMP operation end
The CoMP terminals that end is concentrated periodically are checked, and judge whether to need the CoMP cell coordination set for updating each terminal to close, or are sentenced
Whether those terminals of breaking also need to carry out CoMP operation etc., such as its service quality of periodical evaluation, if quality is less than thresholding SINR_
Threshold0, then preferential CoMP terminal list is put it into.
Follow-up relevant treatment includes：
Successively to terminal execution step 330-350 in preferential CoMP terminal list, until a CoMP collaboration set is generated
Work is completed.
Periodically start the program of CoMP sub-clusterings next time.
One of ordinary skill in the art will appreciate that all or part of step in said method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read only memory, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art and work as and various corresponding changes and deformation, but these corresponding changes and change can be made according to the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (14)
1. it is a kind of build coordinated multipoint transmission CoMP cell coordination set method, including：
Determine the terminal of pending CoMP operation, generate CoMP terminal list；
Terminal is selected from the CoMP terminal list；
If obtaining the information of the adjacent end in selected terminal surrounding preset range using location technology, adjacent end is chosen
The phase of the first CoMP cell coordination set of the selected terminal of end own base station composition, selected terminal and pending CoMP operation
Adjacent terminal shares first CoMP cell coordination set.
2. the method for claim 1, it is characterised in that：
The terminal for determining pending CoMP operation, generates CoMP terminal list, including：
Selected to need the terminal for carrying out CoMP operation from default network area according to QoS parameter, according to service quality
Parameter is ranked up to the terminal for needing to carry out CoMP operation, generates CoMP terminal list.
3. method as claimed in claim 2, it is characterised in that：
It is described the terminal for needing to carry out CoMP operation is ranked up according to QoS parameter, including：According to service quality pair
Need the terminal for carrying out CoMP operation to be ranked up, the worst terminal of service quality is come into foremost；
Terminal is selected from the CoMP terminal list, including：The worst terminal of prioritizing selection service quality.
4. the method as described in claim 1 or 2 or 3, it is characterised in that：
If the information that the adjacent end in selected terminal surrounding preset range is obtained using location technology, chooses phase
First CoMP cell coordination set of terminal selected by adjacent terminal own base station composition, including：
The positional information of selected terminal is obtained using location technology, judges whether there is adjacent in the terminal surrounding preset range
Terminal, if it has, the information of the adjacent end in the selected terminal surrounding preset range is then obtained using location technology, choosing
Take the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition.
5. method as claimed in claim 4, it is characterised in that：
Judge in the terminal surrounding preset range if without adjacent end, then obtained at the selected end using location technology
The information of one or more base stations around end in preset range, chooses or many in selected terminal surrounding preset range
Individual base station constitutes the second CoMP cell coordination set of the selected terminal.
6. method as claimed in claim 4, it is characterised in that：
First CoMP cell coordination set for choosing the selected terminal of adjacent end own base station composition, including：Choose all
Rate of load condensate constitutes first CoMP cell coordination set less than the base station of default first thresholding in adjacent end own base station.
7. method as claimed in claim 5, it is characterised in that：
One or more base stations in terminal surrounding preset range selected by the selection constitute the second of the selected terminal
CoMP cell coordination set, including：Rate of load condensate is chosen in all base stations in selected terminal surrounding preset range less than default the
The base station of two thresholdings constitutes second CoMP cell coordination set.
8. method as claimed in claim 4, it is characterised in that：
After the completion of the first CoMP cell coordination set composition of selected terminal, this is deleted from the CoMP terminal list selected
The adjacent end of terminal and pending CoMP operation, continuation selects terminal from the CoMP terminal list, builds selected whole
The CoMP cell coordination set at end, without till terminal in the CoMP terminal list.
9. the method for claim 1, it is characterised in that：
Methods described also includes：Periodically the service quality of all terminals for carrying out CoMP operation is checked, to decide whether
Update the CoMP cell coordination set of the terminal.
10. a kind of device for building coordinated multipoint transmission CoMP cell coordination set, including CoMP terminal list generation module, selection
Module, and CoMP cell coordination set structure module, wherein：
The CoMP terminal list generation module, for determining the terminal of pending CoMP operation, generates CoMP terminal list；
The selecting module, for selecting terminal from the CoMP terminal list；
The CoMP cell coordination set builds module, for being obtained in selected terminal surrounding preset range using location technology
During the information of interior adjacent end, the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition is chosen,
The adjacent end of selected terminal and pending CoMP operation shares first CoMP cell coordination set.
11. devices as claimed in claim 10, it is characterised in that：
The CoMP terminal list generation module is used to determine the terminal of pending CoMP operation in the following ways, generates CoMP
Terminal list：Selected to need the terminal for carrying out CoMP operation from default network area according to QoS parameter, according to clothes
Business mass parameter is ranked up to the terminal for needing to carry out CoMP operation, before the worst terminal of service quality is come most
Face, generates CoMP terminal list；
The selecting module is used to select terminal from the CoMP terminal list in the following ways：Prioritizing selection service quality
Worst terminal.
12. devices as described in claim 10 or 11, it is characterised in that：
The CoMP cell coordination set builds module to be used to obtain in selected terminal using location technology in the following ways
During the information of the adjacent end in surrounding preset range, a CoMP of the selected terminal of adjacent end own base station composition is chosen
Cell cooperative collection：
The positional information of selected terminal is obtained using location technology, judges whether there is adjacent in the terminal surrounding preset range
Terminal, if it has, the information of the adjacent end in the selected terminal surrounding preset range is then obtained using location technology, choosing
Take the first CoMP cell coordination set of the selected terminal of adjacent end own base station composition；
The CoMP cell coordination set builds module and is additionally operable to judging in the terminal surrounding preset range if without adjacent end
During end, the information of one or more base stations in the selected terminal surrounding preset range is obtained using location technology, chosen
One or more base stations in selected terminal surrounding preset range constitute the second CoMP cell coordination set of the selected terminal.
13. devices as claimed in claim 12, it is characterised in that：
The CoMP cell coordination set builds module to be used to choose in the following ways selected by adjacent end own base station composition
First CoMP cell coordination set of terminal：Choose base of the rate of load condensate less than default first thresholding in all adjacent end own base stations
Stand and constitute first CoMP cell coordination set；
The CoMP cell coordination set builds module to be used to choose in the following ways in selected terminal surrounding preset range
One or more base stations constitute the second CoMP cell coordination set of the selected terminal：Choose selected terminal surrounding preset range
Rate of load condensate constitutes second CoMP cell coordination set less than the base station of default second thresholding in interior all base stations.
14. devices as claimed in claim 10, it is characterised in that：
Described device also includes update module, and it is used to periodically carry out again the service quality of all terminals for carrying out CoMP operation
Look into, to determine whether to update the CoMP cell coordination set of the terminal.
Priority Applications (2)
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| PCT/CN2012/071739 WO2012171362A1 (en) | 2011-06-16 | 2012-02-28 | Method and device for establishing coordinated multi-point transmission cell coordination set |
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| CN106537986B (en) * | 2014-06-08 | 2019-09-10 | Lg电子株式会社 | For changing the method and apparatus for establishing group's cell based on measuring signal |
| CN104219709B (en) * | 2014-09-17 | 2018-07-24 | 武汉理工大学 | A kind of selection method for LTE-A COMP cooperation set |
| CN104270784B (en) * | 2014-10-15 | 2018-09-11 | 大唐移动通信设备有限公司 | A kind of method, system and base station determining uplink coordinated multicast communication cooperation cell |
| CN105721026B (en) * | 2015-12-31 | 2019-12-17 | 华为技术有限公司 | Joint data transmission method and equipment |
| CN110876153B (en) * | 2018-08-30 | 2021-09-03 | 海信集团有限公司 | Method and equipment for constructing CoMP set |
| CN114938529B (en) * | 2022-07-25 | 2022-11-11 | 成都伍零三科技集团有限公司 | Data transmission method, system, electronic device and medium |
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