CN108259094A - A kind of LTE network uplink interference optimization method and device - Google Patents
A kind of LTE network uplink interference optimization method and device Download PDFInfo
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- CN108259094A CN108259094A CN201611247596.0A CN201611247596A CN108259094A CN 108259094 A CN108259094 A CN 108259094A CN 201611247596 A CN201611247596 A CN 201611247596A CN 108259094 A CN108259094 A CN 108259094A
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- H04B17/00—Monitoring; Testing
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- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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- H04J—MULTIPLEX COMMUNICATION
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Abstract
The present invention discloses a kind of LTE network uplink interference optimization method and device, and method includes：Obtain the MR of each default adjacent area of Target cell；The default screening parameter carried in each MR based on acquisition filters out each first MR；Based on the predetermined power parameter that each default corresponding each predeterminable area in adjacent area and each first MR are carried, target jamming region and corresponding each 2nd MR in target jamming region are determined；Based on the predetermined power parameter that target jamming region and each 2nd MR carry, the uplink interference of Target cell is optimized.The present invention is analyzed by the MR to Target cell adjacent area, determine the region to the uplink generation maximum interference of Target cell, and based on the corresponding MR in the region, the uplink interference of Target cell is optimized, it does not need to minizone and carries out Signalling exchange, solve the problem of that the prior art needs minizone to carry out Signalling exchange and influences frequency resource use.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of LTE network uplink interference optimization method and device.
Background technology
Long term evolution (Long Term Evolution, LTE) network uplink interferes：It is disturbed the adjacent area of cell
Interior user equipment (User Equipment, UE) is disturbed cell uplink bottom and makes an uproar lifting (scene caused by sending uplink signal
As shown in Figure 1).The factors such as the degree of strength of interference and the upstream traffic of adjacent area, UE distributions, network structure are related.
Third generation partner program (3rd Generation Partnership Project, 3GPP) tissue is to LTE
Network uplink interference proposes a variety of AF panels and technology for eliminating.
In LTE protocol version Release 8,3GPP proposes Inter-Cell Interference Coordination (Inter-Cell
Interference Coordination, ICIC) technology, ICIC technologies on frequency domain mainly by coordinating scheduling of resource and dividing
The problem of with inter-cell traffic channel disturbance is reduced.
In LTE protocol version Release 10,3GPP proposes enhancement type district interference coordination (enhanced
Inter-Cell Interference Coordination, eICIC) technology, eICIC technologies refer mainly to time domain, and almost blank is sub
Frame (Almost Blank Sub-frame, ABS) technology reduces minizone control by coordinating scheduling of resource and distribution in the time domain
The problem of channel disturbance processed.
In LTE protocol version Release 11,3GPP is directed to the work not completed in LTE protocol version Release10,
The problem of universal reference signal (Common Reference Signals, CRS) interferes i.e. in ABS technologies, it is proposed that further
Enhance Inter-Cell Interference Coordination (FeICIC, Further enhancements to non-carrier aggregation
Based eICIC) technology, it is main to include the ABS enhanced transmitting signal processings and subtract power ABS technologies.
In LTE protocol version Release 12,3GPP proposes that the interference of network assistance formula is eliminated with inhibiting (Network-
Assisted Interference Cancellation and Suppression, NAICS) technology.NAICS technologies belong to first
Into receiver (Advanced Receivers) technology, mainly for Physical Downlink Shared Channel (Physical Downlink
Shared Channel, PDSCH) interference, interference information is provided by cell base station, this cell UE is assisted to estimate and eliminates adjacent area do
It disturbs, to achieve the purpose that reduce adjacent area interference.
Above-mentioned each AF panel is required to minizone with technology for eliminating and carries out Signalling exchange, limits frequency to a certain extent
The degree of freedom that rate resource uses reduces the service efficiency of frequency resource, in addition, LTE network uplink interference further includes：GPS loses
Remote co-channel interference (scene is as shown in Figure 3) caused by step interference (scene is as shown in Figure 2) and atmospheric duct effects, can
See, due to the complexity of LTE network uplink interference, above-mentioned each AF panel also is difficult to get a desired effect with technology for eliminating.
Importantly, being on the increase with LTE user, portfolio will be further by continuous rise, LTE network uplink interference degree
It increases, therefore at present there is an urgent need for a kind of LTE network uplink interference optimization method, to ensure the quantity of operation of LTE network.
Invention content
In view of the above problems, the present invention proposes the one kind for overcoming the above problem or solving the above problems at least partly
LTE network uplink interference optimization method and device.
In a first aspect, the present invention proposes a kind of LTE network uplink interference optimization method, including：
Obtain the measurement report MR of each default adjacent area of Target cell；The Target cell optimizes for pending uplink interference
Cell；
The default screening parameter carried in each MR based on acquisition filters out each first MR；
Predetermined power parameter based on each default corresponding each predeterminable area in adjacent area and each first MR carryings,
Determine target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to the target
The interference that cell generates is maximum；
Based on the predetermined power parameter that the target jamming region and each 2nd MR carry, to the Target cell
Uplink interference optimize.
Optionally, the default screening parameter carried in each MR based on acquisition, filters out each first MR, including：
The adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition carries out the first screening, obtains the first screening collection
It closes；The first screening collection is combined into the set that the PCI each MRs identical with the Target cell PCI in adjacent area is formed；
Based on the serving cell carrier frequency point Earfcn that each MR in the described first screening set is carried, screened to described first
Each MR carries out the second screening in set, obtains the second screening set；The second screening collection is combined into serving cell Earfcn and institute
Stating Target cell Earfcn, there are the set that each MR of co-channel interference is formed；
Physical Resource Block is occupied based on the Physical Uplink Shared Channel PUSCH carried of each MR in the described second screening set
PRB numbers carry out third screening to each MR in the described second screening set, obtain each first MR；Each first MR is carried
PUSCH occupy PRB number non-zeros.
Optionally, the default work(carried based on each default corresponding each predeterminable area in adjacent area and each first MR
Rate parameter determines target jamming region and corresponding each 2nd MR in the target jamming region, including：
The longitude and latitude of latitude and longitude information and each first MR based on the corresponding each predeterminable area in each default adjacent area
Information is spent, determines corresponding each first MR of each predeterminable area；
Based on the predetermined power parameter that corresponding each first MR of each predeterminable area is carried, each predeterminable area is determined
Corresponding each first MR is to the sum of jamming power of the Target cell；
The corresponding region of the sum of maximum jamming power and corresponding each first MR in the region are identified as described
Target jamming region and corresponding each 2nd MR in the target jamming region.
Optionally, the predetermined power parameter carried based on corresponding each first MR of each predeterminable area, determines institute
Corresponding each first MR of each predeterminable area is stated to the sum of jamming power of the Target cell, including：
Based on the adjacent area Reference Signal Received Power RSRP that corresponding each first MR of each predeterminable area is carried, institute is determined
Corresponding each first MR of each predeterminable area is stated to the link load L of the Target cell；
Based on the UE transmission power surpluses that corresponding each first MR of each predeterminable area is carried, each preset areas is determined
The transmission power P that corresponding each first MR in domain is consumed；
Based on the link load L and transmission power P, the corresponding each first MR pairs of each predeterminable area is determined
The sum of jamming power of the Target cell.
Optionally, it is described based on the target jamming region and predetermined power parameter that each 2nd MR is carried, it is right
The uplink interference of the Target cell optimizes, including：
Determine the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings；
The first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, counts and is in each difference
The second ratio and each difference of statistics shared by difference in the range of the first optimization thresholding and the second optimization thresholding composition
In be less than described second optimization thresholding difference shared by third ratio；It is excellent that wherein described first optimization thresholding is more than described second
Change thresholding；
If first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to the target
Cell where interference region carries out dilatation and capacity of expansion is preset capacity；
If second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to the target
The angle that the antenna for base station of cell is adjusted and adjusts is predetermined angle；
If the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to the target
The handoff threshold and gravity treatment thresholding of cell are adjusted, so that the handoff threshold of the Target cell and gravity treatment thresholding are respectively higher than
The handoff threshold of cell and gravity treatment thresholding where the target jamming region.
Second aspect, the present invention also propose a kind of LTE network uplink interference optimization device, including：
Acquiring unit, for obtaining the measurement report MR of each default adjacent area of Target cell；The Target cell for treat into
The cell of row uplink interference optimization；
Screening unit for the default screening parameter carried in each MR based on acquisition, filters out each first MR；
Determination unit, for what is carried based on each default corresponding each predeterminable area in adjacent area and each first MR
Predetermined power parameter determines target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming
The interference that region generates the Target cell is maximum；
Optimize unit, for the predetermined power parameter carried based on the target jamming region and each 2nd MR,
The uplink interference of the Target cell is optimized.
Optionally, the screening unit, including：
First screening subelement, for the adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition, carries out first
Screening, obtains the first screening set；The first screening collection is combined into the adjacent area PCI each MR structures identical with the Target cell PCI
Into set；
Second screening subelement, for the serving cell carrier frequency point carried based on each MR in the described first screening set
Earfcn carries out the second screening to each MR in the described first screening set, obtains the second screening set；The second screening set
For the serving cell Earfcn and Target cell Earfcn, there are the set that each MR of co-channel interference is formed；
Third screens subelement, for the Physical Uplink Shared Channel carried based on each MR in the described second screening set
PUSCH occupies Physical Resource Block PRB numbers, carries out third screening to each MR in the described second screening set, obtains described each first
MR；The PUSCH that each first MR is carried occupies PRB number non-zeros.
Optionally, the determination unit, including：
First determination subelement, for the latitude and longitude information based on the corresponding each predeterminable area in each default adjacent area and
The latitude and longitude information of each first MR determines corresponding each first MR of each predeterminable area；
Second determination subelement, for the predetermined power ginseng carried based on corresponding each first MR of each predeterminable area
Number, determines corresponding each first MR of each predeterminable area to the sum of jamming power of the Target cell；
Third determination subelement, for by the corresponding region of the sum of maximum jamming power and the region corresponding each the
One MR is identified as the target jamming region and corresponding each 2nd MR in the target jamming region.
Optionally, second determination subelement, is specifically used for：
Based on the adjacent area Reference Signal Received Power RSRP that corresponding each first MR of each predeterminable area is carried, institute is determined
Corresponding each first MR of each predeterminable area is stated to the link load L of the Target cell；
Based on the UE transmission power surpluses that corresponding each first MR of each predeterminable area is carried, each preset areas is determined
The transmission power P that corresponding each first MR in domain is consumed；
Based on the link load L and transmission power P, the corresponding each first MR pairs of each predeterminable area is determined
The sum of jamming power of the Target cell.
Optionally, the optimization unit, is specifically used for：
Determine the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings；
The first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, counts and is in each difference
The second ratio and each difference of statistics shared by difference in the range of the first optimization thresholding and the second optimization thresholding composition
In be less than described second optimization thresholding difference shared by third ratio；It is excellent that wherein described first optimization thresholding is more than described second
Change thresholding；
If first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to the target
Cell where interference region carries out dilatation and capacity of expansion is preset capacity；
If second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to the target
The angle that the antenna for base station of cell is adjusted and adjusts is predetermined angle；
If the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to the target
The handoff threshold and gravity treatment thresholding of cell are adjusted, so that the handoff threshold of the Target cell and gravity treatment thresholding are respectively higher than
The handoff threshold of cell and gravity treatment thresholding where the target jamming region.
LTE network uplink interference optimization method and device proposed by the present invention, in the mesh for determining LTE network uplink and being disturbed
It after marking cell, is analyzed by the MR to the Target cell adjacent area, determines to generate maximum interference to the uplink of the Target cell
Region, and the Power related information carried based on the corresponding MR in the region carries out the uplink interference of the Target cell excellent
Change, do not need to minizone and carry out Signalling exchange, be not related to the upgrading of network function or the use of new technology, solve the prior art
Minizone is needed to carry out Signalling exchange, the degree of freedom that limit frequency resource uses, the problem of reducing the service efficiency of frequency resource.
Description of the drawings
Fig. 1 is that LTE network uplink interference is caused by being disturbed the adjacent area UE transmission uplink signals of cell in the prior art
Cell uplink bottom is disturbed to make an uproar the schematic diagram of a scenario of lifting；
Fig. 2 is the schematic diagram of a scenario that LTE network uplink interference is the interference of GPS step-outs in the prior art；
Fig. 3 is the field that LTE network uplink interference is remote co-channel interference caused by atmospheric duct effects in the prior art
Scape schematic diagram；
Fig. 4 is a kind of LTE network uplink interference optimization method flow chart that first embodiment of the invention provides；
Fig. 5 is that a kind of LTE network uplink interference that second embodiment of the invention provides optimizes apparatus structure schematic diagram；
Fig. 6 is that a kind of LTE network uplink interference that third embodiment of the invention provides optimizes apparatus structure schematic diagram.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, instead of all the embodiments.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to phase
Same title distinguishes rather than implies the relationship or sequence between these titles.
LTE network uses identical networking technology, is a self-interference communication system, since LTE network uplink uses
Single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) skill
Art, there is no interfered between same cell UE.But LTE network adjacent cell UE sends uplink signal and the uplink of this cell can be caused to do
It disturbs, influences LTE network performance, as shown in Figure 1：
User equipment (UE) 3 and UE4 in time-division LTE (TD-LTE) cell 2 send uplink signal and TD-LTE cells 1 can be made
Into interference；UE2 sends uplink signal and TD-LTE cells 2 can be interfered (due to UE1 distances TD-LTE in TD-LTE cells 1
Farther out, interference is negligible for the base station of cell 2).
As shown in figure 4, the present embodiment discloses a kind of LTE network uplink interference optimization method, the executive agent of this method can
Think the network management system of each common carrier, or the device being arranged in network management system, this method may include following step
Rapid 401~404：
401st, the measurement report (Measurement Report, MR) of each default adjacent area of Target cell is obtained；The mesh
Mark the cell that cell is the optimization of pending uplink interference.
In the present embodiment, after Target cell that LTE network uplink is disturbed is determined, it may be determined that the Target cell it is each pre-
If adjacent area, the prior art (such as join by work and determine) can be used in method of determination, and the present embodiment is no longer described in detail.Each default adjacent area
Measurement report is measured and is reported by the user equipment (User Equipment, UE) in each default adjacent area.
402nd, the default screening parameter carried in each MR based on acquisition, filters out each first MR.
In the present embodiment, much information is carried in MR, such as：The adjacent area physics that UE transmission powers surplus, UE are measured is small
What adjacent area carrier frequency point Earfcn, UE that area's mark (Physical Cell Identifier, PCI), UE are measured were measured
The serving cell PCI that serving cell carrier frequency point Earfcn, UE are measured, the adjacent area Reference Signal Received Power that UE is measured
Serving cell RSRP, the physical uplink that (Reference Signal Receiving Power, RSRP), UE are measured share letter
Physical Resource Block (the Physical Resource that road (Physical Uplink Shared Channel, PUSCH) occupies
Block, PRB) number, base station (eNB) antenna angle of arrival (Angle of Arrival, AoA) of serving cell, serving cell when
Between lead (Timing Advance, TA) etc..
In the present embodiment, the default screening parameter carried in MR is and the relevant parameter of the Target cell, default screening
Parameter includes：Adjacent area PCI, serving cell Earfcn and PUSCH occupy PRB numbers.
In the present embodiment, each first MR namely MR namely the UE transmission that uplink interference may be generated to the Target cell
First MR may generate uplink interference to the Target cell.
403rd, the predetermined power carried based on each default corresponding each predeterminable area in adjacent area and each first MR
Parameter determines target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to institute
The interference for stating Target cell generation is maximum.
It is pre- advanced to the corresponding each predeterminable area in each default adjacent area namely to the coverage area of each adjacent area in the present embodiment
Go rasterizing processing, such as：The overlay area of each adjacent area is divided into multiple grids, the size of each grid can select admittedly
Definite value (such as 50 meters × 50 meters of ranges) can also select unfixed value namely each grid size different；It can certainly
The coverage area of each adjacent area is divided into a grid.
In the present embodiment, after rasterizing processing is carried out in advance to the overlay area of each adjacent area, each default adjacent area is corresponding
One or more grids namely each default adjacent area correspond to one or more predeterminable areas, meanwhile, also determine the warp in each region
Latitude coordinate range.
In the present embodiment, the predetermined power parameter that MR is carried includes：Adjacent area RSRP and UE transmission power surplus.
404th, the predetermined power parameter carried based on the target jamming region and each 2nd MR, to the target
The uplink interference of cell optimizes.
As it can be seen that LTE network uplink interference optimization method disclosed in the present embodiment, is determining what LTE network uplink was disturbed
It after Target cell, is analyzed by the MR to the Target cell adjacent area, determines to generate maximum dry to the uplink of the Target cell
The region disturbed, and the Power related information carried based on the corresponding MR in the region, carry out the uplink interference of the Target cell
Optimization does not need to minizone and carries out Signalling exchange, is not related to the upgrading of network function or the use of new technology, solves existing skill
Art needs minizone to carry out Signalling exchange, degree of freedom that limit frequency resource uses, and the service efficiency for reducing frequency resource is asked
Topic.
Further, LTE network uplink interference optimization method disclosed in the present embodiment, LTE network uplink interference is controlled
In acceptable degree (determines according to actual conditions), the quantity of operation of LTE network has been ensured.
In a specific example, the default screening parameter that is carried in each MR based on acquisition described in step 402, screening
Go out each first MR, specifically include unshowned following steps 4021~4023 in Fig. 4：
4021st, the adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition carries out the first screening, obtains first
Screening set；The first screening collection is combined into the set that the PCI each MRs identical with the Target cell PCI in adjacent area is formed.
4022nd, the serving cell carrier frequency point Earfcn carried based on each MR in the described first screening set, to described the
Each MR carries out the second screening in one screening set, obtains the second screening set；The second screening collection is combined into serving cell
There are the set that each MR of co-channel interference is formed by the Earfcn and Target cell Earfcn.
In the present embodiment, the second screening collection, which is combined into the serving cell Earfcn and Target cell Earfcn, to be deposited
In the set that each MR of co-channel interference is formed, it is understood that there may be the situation of co-channel interference is as follows：Serving cell Earfcn and the mesh
Mark cell Earfcn is identical or serving cell Earfcn is different from the Target cell Earfcn, but is configured according to system bandwidth
Calculating serving cell has that frequency is overlapping with Target cell, and existing way can be used in calculation, and the present embodiment repeats no more.
4023rd, physics money is occupied based on the Physical Uplink Shared Channel PUSCH carried of each MR in the described second screening set
Source block PRB numbers carry out third screening to each MR in the described second screening set, obtain each first MR；Each first MR
The PUSCH of carrying occupies PRB number non-zeros.
In the present embodiment, it is contemplated that if PUSCH occupies PRB number non-zeros, illustrate there is upstream data transmission, it is likely that right
The Target cell generates interference, therefore, occupies PRB numbers based on the PUSCH carried of each MR in the second screening set, is sieved to second
Selected works each MR progress third screening in closing, obtains each first MR.
In a specific example, described in step 403 based on the corresponding each predeterminable area in each default adjacent area and
The predetermined power parameter that each first MR is carried determines target jamming region and the target jamming region corresponding each the
Two MR specifically include unshowned following steps 4031~4033 in Fig. 4：
4031st, latitude and longitude information and each first MR based on the corresponding each predeterminable area in each default adjacent area
Latitude and longitude information determines corresponding each first MR of each predeterminable area.
In the present embodiment, the latitude and longitude information of each first MR can be based on the cell base belonging to the UE for reporting each first MR
The information such as position, the UE measuring signal intensity stood determine that existing way can be used in determining concrete mode, and the present embodiment is no longer
It repeats.
4032nd, the predetermined power parameter carried based on corresponding each first MR of each predeterminable area, is determined described each pre-
If corresponding each first MR in region is to the sum of jamming power of the Target cell.
4033rd, the corresponding region of the sum of maximum jamming power and corresponding each first MR in the region are identified as
The target jamming region and corresponding each 2nd MR in the target jamming region.
In a specific example, carried described in step 4032 based on corresponding each first MR of each predeterminable area
Predetermined power parameter determines corresponding each first MR of each predeterminable area to the sum of jamming power of the Target cell, tool
Body includes the following steps A~C：
A, the adjacent area Reference Signal Received Power RSRP carried based on corresponding each first MR of each predeterminable area, is determined
Corresponding each first MR of each predeterminable area is to the link load L of the Target cell, unit：dB.
In the present embodiment, Target cell described in each first MR to the link load L=of the Target cell is preconfigured
Reference signal transmission power subtracts the adjacent area RSRP that each first MR is carried.
B, the UE transmission power surpluses carried based on corresponding each first MR of each predeterminable area are determined described each default
The transmission power P that corresponding each first MR in region is consumed, unit：dB.
In the present embodiment, transmission power P=UE that each first MR is consumed presets maximum transmission power and subtracts UE transmission powers
Surplus.
C, based on the link load L and transmission power P, corresponding each first MR of each predeterminable area is determined
The sum of jamming power to the Target cell.
In the present embodiment, transmission power that each first MR is consumed the jamming power of the Target cell by each first MR
P subtracts each first MR to the link load L of the Target cell.
In a specific example, taken described in step 404 based on the target jamming region and each 2nd MR
The predetermined power parameter of band, optimizes the uplink interference of the Target cell, specifically includes unshowned following step in Fig. 4
Rapid 4041~4045：
4041st, the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings, unit are determined：dB.
4042nd, the first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, counts each difference
In in the described first optimization thresholding and default second optimization thresholding form in the range of difference shared by the second ratio and
Count the third ratio shared by the difference for being less than the default second optimization thresholding in each difference；Wherein described first optimization thresholding
More than the default second optimization thresholding.
In the present embodiment, it is, for example, 6dB to preset the first optimization thresholding, and default second optimization thresholding is, for example, 0dB, and first compares
Example is, for example, 95%, and the second ratio is, for example, any value between 20%~30%, and third ratio is, for example, 10%.
It should be noted that above each numerical value is by way of example only, those skilled in the art can be set according to actual conditions
Specific value.
If the 4043, first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to described
Cell where target jamming region carries out dilatation and capacity of expansion is preset capacity.
In the present embodiment, if first ratio is more than the first preset ratio, illustrate that the uplink interference of Target cell is main
Be due to the upstream traffic of cell where target jamming region it is big caused by, in the present embodiment, generation the first optimization letter
Breath, it is preset capacity, such as increase by one to be used to indicate and dilatation and capacity of expansion are carried out to cell where the target jamming region
A carrier wave, staff can be based on the described first optimization information and be operable to realize optimization, to reduce co-channel interference.
If the 4044, second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to described
The angle that the antenna for base station of Target cell is adjusted and adjusts is predetermined angle.
In the present embodiment, if first ratio is more than the first preset ratio, illustrate that the uplink interference of Target cell is main
Be due to the network structure of Target cell it is unreasonable caused by.Therefore, in the present embodiment, generation the second optimization information, for referring to
It is predetermined angle to show the angle that the antenna for base station of the Target cell is adjusted and is adjusted, such as：The orientation of antenna for base station
Angle (i.e. horizontal direction) adjusts 15 ° or the downlink angle (vertical direction) of antenna for base station adjusts 5 °.
It should be noted that above each numerical value is by way of example only, those skilled in the art can be set according to actual conditions
Specific value.
If the 4045, the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to described
The handoff threshold and gravity treatment thresholding of Target cell are adjusted, so that the handoff threshold of the Target cell and gravity treatment thresholding difference
Higher than the handoff threshold of cell where the target jamming region and gravity treatment thresholding.
In the present embodiment, if the third ratio is more than third preset ratio, illustrate that the uplink interference of Target cell is main
Be due to Target cell handoff threshold, gravity treatment thresholding setting it is unreasonable caused by, in the present embodiment, generation third optimization
Information is used to indicate and the handoff threshold and gravity treatment thresholding of the Target cell is adjusted, so that the Target cell is cut
It changes thresholding and gravity treatment thresholding is respectively higher than the target jamming region place handoff threshold of cell and gravity treatment thresholding, for example, high
3dB, to reduce the probability for adjacent area high interference UE occur.Wherein, the unit of each thresholding is dB.
As it can be seen that LTE network uplink interference optimization method disclosed in the present embodiment, is determining what LTE network uplink was disturbed
It after Target cell, is analyzed by the MR to the Target cell adjacent area, determines to generate maximum dry to the uplink of the Target cell
The region disturbed, and the Power related information carried based on the corresponding MR in the region, carry out the uplink interference of the Target cell
Optimize, in the present embodiment, carry out interference optimization by adjusting engineering modes such as antenna directional angle, angle of declination, the network capacity extensions, be not required to
Minizone is wanted to carry out Signalling exchange, is not related to the upgrading of network function or the use of new technology, it is small to solve prior art needs
Section carries out Signalling exchange, the degree of freedom that limit frequency resource uses, the problem of reducing the service efficiency of frequency resource.
As shown in figure 5, the present embodiment discloses a kind of LTE network uplink interference optimization device, which may be provided at communication
In the network management system of operator or it is network management system, which may include with lower unit：Acquiring unit 51, screening unit 52, really
Order member 53 and optimization unit 54, each unit is described as follows：
Acquiring unit 51, for obtaining the measurement report MR of each default adjacent area of Target cell；The Target cell is treats
Carry out the cell of uplink interference optimization；
Screening unit 52 for the default screening parameter carried in each MR based on acquisition, filters out each first MR；
Determination unit 53 carries for being based on each default corresponding each predeterminable area in adjacent area and each first MR
Predetermined power parameter, determine target jamming region and corresponding each 2nd MR in the target jamming region；The target dry
It is maximum to disturb the interference that region generates the Target cell；
Optimize unit 54, for the predetermined power ginseng carried based on the target jamming region and each 2nd MR
Number, optimizes the uplink interference of the Target cell.
Device disclosed in the present embodiment is, it can be achieved that method flow shown in FIG. 1, therefore, the effect of the device in the present embodiment
Fruit and explanation can be found in embodiment of the method shown in FIG. 1, and details are not described herein.
In a specific example, the screening unit 52, it may include unshowned with lower unit in Fig. 5：First sieve
Subelement 521, second is selected to screen subelement 522 and third screening subelement 523, each unit is described as follows：
First screening subelement 521, for the adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition, carries out
First screening, obtains the first screening set；The first screening collection is combined into each identical with the Target cell PCI of adjacent area PCI
The set that MR is formed；
Second screening subelement 522, for the serving cell carrier frequency carried based on each MR in the described first screening set
Point Earfcn carries out the second screening to each MR in the described first screening set, obtains the second screening set；The second screening collection
Being combined into the serving cell Earfcn and Target cell Earfcn, there are the set that each MR of co-channel interference is formed；
Third screens subelement 523, and the physical uplink for being carried based on each MR in the described second screening set shares letter
Road PUSCH occupies Physical Resource Block PRB numbers, and third screening is carried out to each MR in the described second screening set, obtains described each the
One MR；The PUSCH that each first MR is carried occupies PRB number non-zeros.
In a specific example, the determination unit 53 specifically includes unshowned with lower unit in Fig. 5：First
Determination subelement 531, the second determination subelement 532 and third determination subelement 533, each unit is described as follows：
First determination subelement 531, for the latitude and longitude information based on the corresponding each predeterminable area in each default adjacent area
And the latitude and longitude information of each first MR, determine corresponding each first MR of each predeterminable area；
Second determination subelement 532, for the predetermined power carried based on corresponding each first MR of each predeterminable area
Parameter determines corresponding each first MR of each predeterminable area to the sum of jamming power of the Target cell；
Third determination subelement 533, for the corresponding region of the sum of maximum jamming power and the region is corresponding
Each first MR is identified as the target jamming region and corresponding each 2nd MR in the target jamming region.
In a specific example, second determination subelement 532 is specifically used for：
Based on the adjacent area Reference Signal Received Power RSRP that corresponding each first MR of each predeterminable area is carried, institute is determined
Corresponding each first MR of each predeterminable area is stated to the link load L of the Target cell；
Based on the UE transmission power surpluses that corresponding each first MR of each predeterminable area is carried, each preset areas is determined
The transmission power P that corresponding each first MR in domain is consumed；
Based on the link load L and transmission power P, the corresponding each first MR pairs of each predeterminable area is determined
The sum of jamming power of the Target cell.
In a specific example, the optimization unit 54 is specifically used for：
Determine the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings；
The first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, counts and is in each difference
Described first optimizes thresholding and presets the second ratio shared by the difference in the range of the second optimization thresholding is formed and count respectively
It is less than the third ratio shared by the difference of the default second optimization thresholding in difference；Wherein described first optimization thresholding is more than institute
State default second optimization thresholding；
If first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to the target
Cell where interference region carries out dilatation and capacity of expansion is preset capacity；
If second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to the target
The angle that the antenna for base station of cell is adjusted and adjusts is predetermined angle；
If the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to the target
The handoff threshold and gravity treatment thresholding of cell are adjusted, so that the handoff threshold of the Target cell and gravity treatment thresholding are respectively higher than
The handoff threshold of cell and gravity treatment thresholding where the target jamming region.
As it can be seen that LTE network uplink interference disclosed in embodiment optimizes device, in the mesh for determining LTE network uplink and being disturbed
It after marking cell, is analyzed by the MR to the Target cell adjacent area, determines to generate maximum interference to the uplink of the Target cell
Region, and the Power related information carried based on the corresponding MR in the region carries out the uplink interference of the Target cell excellent
Change, do not need to minizone and carry out Signalling exchange, be not related to the upgrading of network function or the use of new technology, solve the prior art
Minizone is needed to carry out Signalling exchange, the degree of freedom that limit frequency resource uses, the problem of reducing the service efficiency of frequency resource.
Further, LTE network uplink interference disclosed in embodiment optimizes device, and the control of LTE network uplink interference is existed
Acceptable degree (determines according to actual conditions), has ensured the quantity of operation of LTE network.
Fig. 6 is the structure diagram for showing LTE network uplink interference optimization device shown in fig. 5.
With reference to Fig. 6, the LTE network uplink interference optimizes device, including：Processor (processor) 601, memory
(memory) 602, communication interface (Communications Interface) 603 and bus 604；
Wherein,
The processor 601, memory 602, communication interface 603 complete mutual communication by the bus 604；
The communication interface 603 is used for the information transmission between external equipment；External equipment is for example each small in the present embodiment
The base station in area；
The processor 601 is used to call the program instruction in the memory 602, to perform the relevant each methods of Fig. 1
The method that embodiment is provided, such as including：
Obtain the measurement report MR of each default adjacent area of Target cell；The Target cell optimizes for pending uplink interference
Cell；
The default screening parameter carried in each MR based on acquisition filters out each first MR；
Predetermined power parameter based on each default corresponding each predeterminable area in adjacent area and each first MR carryings,
Determine target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to the target
The interference that cell generates is maximum；
Based on the predetermined power parameter that the target jamming region and each 2nd MR carry, to the Target cell
Uplink interference optimize.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine performs, computer is able to carry out the method that the relevant each method embodiments of Fig. 1 are provided, such as including：
Obtain the measurement report MR of each default adjacent area of Target cell；The Target cell optimizes for pending uplink interference
Cell；
The default screening parameter carried in each MR based on acquisition filters out each first MR；
Predetermined power parameter based on each default corresponding each predeterminable area in adjacent area and each first MR carryings,
Determine target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to the target
The interference that cell generates is maximum；
Based on the predetermined power parameter that the target jamming region and each 2nd MR carry, to the Target cell
Uplink interference optimize.
The present embodiment provides a kind of non-transient computer readable storage medium storing program for executing, the non-transient computer readable storage medium storing program for executing
Computer instruction is stored, the computer instruction makes the computer perform the side that the relevant each method embodiments of Fig. 1 are provided
Method, such as including：
Obtain the measurement report MR of each default adjacent area of Target cell；The Target cell optimizes for pending uplink interference
Cell；
The default screening parameter carried in each MR based on acquisition filters out each first MR；
Predetermined power parameter based on each default corresponding each predeterminable area in adjacent area and each first MR carryings,
Determine target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to the target
The interference that cell generates is maximum；
Based on the predetermined power parameter that the target jamming region and each 2nd MR carry, to the Target cell
Uplink interference optimize.
One of ordinary skill in the art will appreciate that：Realize the complete of the method that the relevant each method embodiments of Fig. 1 are provided
Portion or part steps can be completed by the relevant hardware of program instruction, and it is computer-readable that aforementioned program can be stored in one
It takes in storage medium, which when being executed, performs step including the steps of the foregoing method embodiments；And aforementioned storage medium packet
It includes：The various media that can store program code such as ROM, RAM, magnetic disc or CD.
The embodiments such as server described above are only schematical, wherein the list illustrated as separating component
Member may or may not be physically separate, and the component shown as unit may or may not be physics
Unit, you can be located at a place or can also be distributed in multiple network element.It can select according to the actual needs
Some or all of module therein realizes the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creation
In the case of the labour of property, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and (can be personal computer, server or the network equipment etc.) so that computer equipment is used to perform each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention rather than right
It is limited；Although the embodiment of the present invention is described in detail with reference to foregoing embodiments, the ordinary skill of this field
Personnel should understand that：It can still modify to the technical solution recorded in foregoing embodiments or to which part
Or all technical features carries out equivalent replacement；And these modifications or replacement, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of LTE network uplink interference optimization method, which is characterized in that including：
Obtain the measurement report MR of each default adjacent area of Target cell；The Target cell is small for the optimization of pending uplink interference
Area；
The default screening parameter carried in each MR based on acquisition filters out each first MR；
Based on the predetermined power parameter that each default corresponding each predeterminable area in adjacent area and each first MR are carried, determine
Target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region is to the Target cell
The interference of generation is maximum；
Based on the predetermined power parameter that the target jamming region and each 2nd MR carry, to the upper of the Target cell
Row interference optimizes.
2. the according to the method described in claim 1, it is characterized in that, default screening ginseng carried in each MR based on acquisition
Number, filters out each first MR, including：
The adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition carries out the first screening, obtains the first screening set；
The first screening collection is combined into the set that the PCI each MRs identical with the Target cell PCI in adjacent area is formed；
Based on the serving cell carrier frequency point Earfcn that each MR in the described first screening set is carried, the described first screening is gathered
In each MR carry out the second screening, obtain the second screening set；The second screening collection is combined into serving cell Earfcn and the mesh
Marking cell Earfcn, there are the set that each MR of co-channel interference is formed；
Physical Resource Block PRB numbers are occupied based on the Physical Uplink Shared Channel PUSCH carried of each MR in the described second screening set,
Third screening is carried out to each MR in the described second screening set, obtains each first MR；The PUSCH that each first MR is carried
Occupy PRB number non-zeros.
3. according to the method described in claim 1, it is characterized in that, based on the corresponding each predeterminable area in each default adjacent area with
And the predetermined power parameter that each first MR is carried, determine that target jamming region and the target jamming region are corresponding each
2nd MR, including：
The longitude and latitude letter of latitude and longitude information and each first MR based on the corresponding each predeterminable area in each default adjacent area
Breath, determines corresponding each first MR of each predeterminable area；
Based on the predetermined power parameter that corresponding each first MR of each predeterminable area is carried, determine that each predeterminable area corresponds to
Each first MR to the sum of jamming power of the Target cell；
The corresponding region of the sum of maximum jamming power and corresponding each first MR in the region are identified as the target
Interference region and corresponding each 2nd MR in the target jamming region.
4. according to the method described in claim 3, it is characterized in that, described be based on corresponding each first MR of each predeterminable area
The predetermined power parameter of carrying, determine corresponding each first MR of each predeterminable area to the jamming power of the Target cell it
With, including：
Based on the adjacent area Reference Signal Received Power RSRP that corresponding each first MR of each predeterminable area is carried, determine described each
Corresponding each first MR of predeterminable area to the link load L of the Target cell；
Based on the UE transmission power surpluses that corresponding each first MR of each predeterminable area is carried, each predeterminable area pair is determined
The transmission power P that each first MR answered is consumed；
Based on the link load L and transmission power P, determine corresponding each first MR of each predeterminable area to described
The sum of jamming power of Target cell.
5. method according to any one of claims 1 to 4, which is characterized in that it is described based on the target jamming region with
And the predetermined power parameter that each 2nd MR is carried, the uplink interference of the Target cell is optimized, including：
Determine the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings；
The first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, is counted in each difference in described
First optimization thresholding and the second optimization thresholding form in the range of difference shared by the second ratio and each difference of statistics in it is small
The third ratio shared by difference in the described second optimization thresholding；Wherein described first optimization thresholding is more than the described second optimization door
Limit；
If first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to the target jamming
Cell where region carries out dilatation and capacity of expansion is preset capacity；
If second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to the Target cell
The antenna for base station angle that is adjusted and adjusts be predetermined angle；
If the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to the Target cell
Handoff threshold and gravity treatment thresholding be adjusted so that the handoff threshold of the Target cell and gravity treatment thresholding are respectively higher than described
The handoff threshold of cell and gravity treatment thresholding where target jamming region.
6. a kind of LTE network uplink interference optimizes device, which is characterized in that including：
Acquiring unit, for obtaining the measurement report MR of each default adjacent area of Target cell；The Target cell is on pending
The cell of row interference optimization；
Screening unit for the default screening parameter carried in each MR based on acquisition, filters out each first MR；
Determination unit, it is default for being carried based on each default corresponding each predeterminable area in adjacent area and each first MR
Power parameter determines target jamming region and corresponding each 2nd MR in the target jamming region；The target jamming region
The interference generated to the Target cell is maximum；
Optimize unit, for the predetermined power parameter carried based on the target jamming region and each 2nd MR, to institute
The uplink interference for stating Target cell optimizes.
7. device according to claim 6, which is characterized in that the screening unit, including：
First screening subelement for the adjacent area Physical Cell Identifier PCI carried in each MR based on acquisition, carries out the first sieve
Choosing, obtains the first screening set；The first screening collection is combined into the adjacent area PCI each MRs identical with the Target cell PCI and forms
Set；
Second screening subelement, for the serving cell carrier frequency point carried based on each MR in the described first screening set
Earfcn carries out the second screening to each MR in the described first screening set, obtains the second screening set；The second screening set
For the serving cell Earfcn and Target cell Earfcn, there are the set that each MR of co-channel interference is formed；
Third screens subelement, for the Physical Uplink Shared Channel PUSCH carried based on each MR in the described second screening set
Physical Resource Block PRB numbers are occupied, third screening is carried out to each MR in the described second screening set, obtains each first MR；Institute
It states the PUSCH that each first MR is carried and occupies PRB number non-zeros.
8. device according to claim 6, which is characterized in that the determination unit, including：
First determination subelement, for the latitude and longitude information based on the corresponding each predeterminable area in each default adjacent area and described
The latitude and longitude information of each first MR determines corresponding each first MR of each predeterminable area；
Second determination subelement, for the predetermined power parameter carried based on corresponding each first MR of each predeterminable area, really
Corresponding each first MR of each predeterminable area is determined to the sum of jamming power of the Target cell；
Third determination subelement, for by the sum of maximum jamming power corresponding region and corresponding each first MR in the region
It is identified as the target jamming region and corresponding each 2nd MR in the target jamming region.
9. device according to claim 8, which is characterized in that second determination subelement is specifically used for：
Based on the adjacent area Reference Signal Received Power RSRP that corresponding each first MR of each predeterminable area is carried, determine described each
Corresponding each first MR of predeterminable area to the link load L of the Target cell；
Based on the UE transmission power surpluses that corresponding each first MR of each predeterminable area is carried, each predeterminable area pair is determined
The transmission power P that each first MR answered is consumed；
Based on the link load L and transmission power P, determine corresponding each first MR of each predeterminable area to described
The sum of jamming power of Target cell.
10. according to claim 6 to 9 any one of them device, which is characterized in that the optimization unit is specifically used for：
Determine the difference of the serving cell RSRP and adjacent area RSRP of each 2nd MR carryings；
The first ratio shared by the difference for being more than default first optimization thresholding in each difference is counted, is counted in each difference in described
First optimization thresholding and the second optimization thresholding form in the range of difference shared by the second ratio and each difference of statistics in it is small
The third ratio shared by difference in the described second optimization thresholding；Wherein described first optimization thresholding is more than the described second optimization door
Limit；
If first ratio is more than the first preset ratio, generation the first optimization information is used to indicate to the target jamming
Cell where region carries out dilatation and capacity of expansion is preset capacity；
If second ratio is more than the second preset ratio, generation the second optimization information is used to indicate to the Target cell
The antenna for base station angle that is adjusted and adjusts be predetermined angle；
If the third ratio is more than third preset ratio, third optimization information is generated, is used to indicate to the Target cell
Handoff threshold and gravity treatment thresholding be adjusted so that the handoff threshold of the Target cell and gravity treatment thresholding are respectively higher than described
The handoff threshold of cell and gravity treatment thresholding where target jamming region.
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