CN108260146A - A kind of method and its system based on the optimization of interference matrix double-flow design - Google Patents
A kind of method and its system based on the optimization of interference matrix double-flow design Download PDFInfo
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- CN108260146A CN108260146A CN201810068410.8A CN201810068410A CN108260146A CN 108260146 A CN108260146 A CN 108260146A CN 201810068410 A CN201810068410 A CN 201810068410A CN 108260146 A CN108260146 A CN 108260146A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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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
Abstract
The present invention is suitable for field of communication technology, provides a kind of method optimized based on interference matrix double-flow design, including：The Tx0 signals and Tx1 signals that the transmission end of base station by least two cells that acquisition receiving terminal Rx0, Rx1 are received emits；A grid cell is set up at least two cell, and signal grid table is established with the Tx0 signals and Tx1 signals of the grid cell；Judge each cell the Tx0 signals and the Tx1 signals whether the difference of Tx0 signals corresponding to the grid cell and the Tx1 signals is respectively less than predetermined threshold；If so, calculate the weighting coefficient of the corresponding cell and the signal interference of the grid cell；The covering grid of corresponding number is superimposed in the signal grid table according to the weighting coefficient, the signal interference of the base station of the grid cell is analyzed by the covering raster symbol-base.Additionally provide a kind of system for realizing the above method.Interference problem can be accurately positioned in the present invention whereby, promote measurement efficiency.
Description
Technical field
The present invention relates to field of communication technology more particularly to it is a kind of based on interference matrix double-flow design optimization method and its
System.
Background technology
With the continuous expansion of 4G base stations scale, wireless environment overlay structure is more complicated, and overlapped signal problem is increasingly
Seriously, the sensory experience of user is seriously affected, and existing structural optimization analysis system is difficult to accurately and rapidly orientation problem
Root, wireless environment is more complicated, and signal is impacted bigger, is individually analyzed from whole RSRP, inevitably will appear
Deviation；Therefore one accurate, the system of Quick locating structure problem is essential.
In summary, existing method is in actual use, it is clear that there is inconvenient and defect, it is therefore necessary to be changed
Into.
Invention content
For it is above-mentioned the defects of, the purpose of the present invention is to provide it is a kind of based on interference matrix double-flow design optimization method
And its system, interference problem can be accurately positioned, promote measurement efficiency.
To achieve these goals, the present invention provides a kind of method based on the optimization of interference matrix double-flow design, including step
Suddenly have：
A, acquisition receiving terminal Rx0, Rx1 receive by least two cells transmission end of base station emit Tx0 signals and
Tx1 signals；
B, set up a grid cell at least two cell, and with the Tx0 signals of the grid cell and
Tx1 signals establish signal grid table；
C, judge each cell the Tx0 signals and the Tx1 signals whether with the grid cell corresponding to
The Tx0 signals and the differences of the Tx1 signals be respectively less than predetermined threshold；If so, calculate the corresponding cell and institute
State the weighting coefficient of the signal interference of grid cell；
D, the covering grid of corresponding number is superimposed in the signal grid table according to the weighting coefficient, is covered by described
Lid raster symbol-base analyzes the signal interference of the base station of the grid cell.
According to the method, the quantity of the covering grid is equal to the weighting coefficient, the weighting of the cell
Coefficient is set as M, if 0<x<2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8；Wherein, x for the cell with
The Tx0 signal differences of the grid cell and the mean value of the Tx1 signal differences.
According to the method, the step D includes：
The disturbed coefficient of the grid cell and the interference coefficient of the cell are calculated according to the weighting coefficient, is led to
It crosses the disturbed coefficient and the interference coefficient analyzes the signal interference of the grid cell.
According to the method, if the cell is to the interference percentage of the grid cellIt is then described
Disturbed coefficient is set as ∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the grid number of the signal grid table, i is
The cell of all interference grid cells；J is all cells by i area interferences.
According to the method, the grid cell is the Tx0 that signal strength is most strong at least two cell
Cell corresponding to signal and the Tx1 signals；And/or
The predetermined threshold is 6dB.
The present invention also provides it is a kind of based on interference matrix double-flow design optimization system, including：
Signal gathering unit, for acquiring the transmission end of base station by least two cells that receiving terminal Rx0, Rx1 are received
The Tx0 signals of transmitting and Tx1 signals；
Grid setting unit, for setting up a grid cell at least two cell, and with the grid cell
The Tx0 signals and Tx1 signals establish signal grid table；
Judge computing unit, for judge the Tx0 signals of each cell and the Tx1 signals whether with it is described
The difference of the Tx0 signals and the Tx1 signals corresponding to grid cell is respectively less than predetermined threshold；It is corresponded to if so, calculating
The cell and the grid cell signal interference weighting coefficient；
Computing unit is analyzed, for being superimposed the covering of corresponding number in the signal grid table according to the weighting coefficient
Grid analyzes the signal interference of the grid cell base station by the covering raster symbol-base.
According to the system, the quantity of the covering grid is equal to the weighting coefficient, the weighting of the cell
Coefficient is set as M, if 0<x<2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8；Wherein, x for the cell with
The Tx0 signal differences of the grid cell and the mean value of the Tx1 signal differences.
According to the system, the analysis computing unit, for calculating the grid cell according to the weighting coefficient
Disturbed coefficient and the cell interference coefficient, pass through the disturbed coefficient and the interference coefficient and analyze the grid
The signal interference of lattice cell.
According to the system, if the cell is to the interference percentage of the grid cellIt is then described
Disturbed coefficient is set as ∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the grid number of the signal grid table, i is
The cell of all interference grid cells；J is all cells by i area interferences.
According to the system, the grid cell is the Tx0 that signal strength is most strong at least two cell
Cell corresponding to signal and the Tx1 signals；And/or
The predetermined threshold is 6dB.
Method of the present invention based on the optimization of interference matrix double-flow design, has including step：Acquisition receiving terminal Rx0,
The Tx0 signals and Tx1 signals that the transmission end of base station by least two cells that Rx1 is received emits；It is small described at least two
A grid cell is set up in area, and signal grid table is established with the Tx0 signals and Tx1 signals of the grid cell；Judge
The Tx0 signals and the Tx1 signals of each cell whether Tx0 signals corresponding to the grid cell and
The difference of the Tx1 signals is respectively less than predetermined threshold；If so, calculate the signal of the corresponding cell and the grid cell
The weighting coefficient of interference；The covering grid of corresponding number is superimposed in the signal grid table according to the weighting coefficient, is passed through
The covering raster symbol-base analyzes the signal interference of the base station of the grid cell.The present invention can be accurately positioned interference and ask whereby
Topic promotes measurement efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the system based on the optimization of interference matrix double-flow design described in the preferred embodiment of the present invention；
Fig. 2 is the step flow chart of the method for the present invention based on the optimization of interference matrix double-flow design；
Fig. 3 is the specific workflow of the system based on the optimization of interference matrix double-flow design described in the preferred embodiment of the present invention
Figure；
Fig. 4 is the signal transmitting and receiving schematic diagram of double-flow design；
Fig. 5 is that the signal grid of the method based on the optimization of interference matrix double-flow design described in the preferred embodiment of the present invention represents
It is intended to；
Fig. 6 is the method based on the optimization of interference matrix double-flow design described in the preferred embodiment of the present invention two in measured zone
The Reference Signal Received Power difference coverage diagram of two MPS process overlapping；
Fig. 7 is that the method based on the optimization of interference matrix double-flow design described in the preferred embodiment of the present invention is done in measured zone
Disturb the schematic diagram of the most strong cell of signal.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, the preferred embodiment of the present invention provides a kind of system 100 optimized based on interference matrix double-flow design,
Include：
Signal gathering unit 10, for acquiring the Base Transmitter by least two cells that receiving terminal Rx0, Rx1 are received
Hold the Tx0 signals of transmitting and Tx1 signals；
Grid setting unit 20, for setting up a grid cell at least two cell, and it is small with the grid
The Tx0 signals and Tx1 signals in area establish signal grid table；
Judge computing unit 30, for judge the Tx0 signals of each cell and the Tx1 signals whether with institute
The difference for stating the Tx0 signals and the Tx1 signals corresponding to grid cell is respectively less than predetermined threshold；If so, calculating pair
The weighting coefficient of the cell answered and the signal interference of the grid cell；
Computing unit 40 is analyzed, for being superimposed covering for corresponding number in the signal grid table according to the weighting coefficient
Lid grid analyzes the signal interference of the grid cell base station by the covering raster symbol-base.
Tx0, Tx1 represent the traffic spike of transmission end of base station, and Rx0, Rx1 represent the signal that frequency sweep receiving terminal receives；
As shown in figure 4, Rx0 and Rx1 receives Tx0 and Tx1 signals respectively.The grid cell is signal at least two cell
Cell corresponding to the most strong Tx0 signals of intensity and the Tx1 signals.
It is analyzed by being based on interference matrix double-flow design, it is (soft with reference to cell information based on frequency sweep double fluid data
The work ginseng information of part identification) background analysis system is imported into, it is screened by curing algorithm, judges that receiver receives respectively
Base station end two paths of signals Tx0 and Tx1 whether all meet overlapping coverage condition, if all meet if if be defined as overlapping cover grid
Lattice point, the grid point of all test trails of cycle criterion accurately quickly filter out covering hashed area, so as to further pass through calculation
The problem of method orients the cell portion of interference most serious, and synthesis mining structure is mixed and disorderly.
Preferably, the quantity of the covering grid is equal to the weighting coefficient, and the weighting coefficient of the cell is set
For M, if 0<x<2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8；Wherein, x is the cell and the grid
The Tx0 signal differences of lattice cell and the mean value of the Tx1 signal differences.Particularly, the predetermined threshold is 6dB, i.e.,
The difference of Tx0 between the cell and grid cell is less than 6dB, while the difference of the Tx1 of the two is again smaller than 6dB, then the cell
Tx0 and Tx1, which meets, repeats coverage condition, then the quantity for covering grid of the cell is calculated by above-mentioned weighting coefficient,
Interference of the cell to the grid cell is analyzed according to covering accounting of the cell on the signal grid table of grid cell
Factor.
It is preferred that the analysis computing unit 40, for calculating the quilt of the grid cell according to the weighting coefficient
It is small to analyze the grid by the disturbed coefficient and the interference coefficient for the interference coefficient of interference coefficient and the cell
The signal interference in area.If the cell is to the interference percentage of the grid cellThe then disturbed coefficient
It is set as ∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the grid number of the signal grid table, i is all interference institutes
State the cell of grid cell；J is all cells by i area interferences.
Such as Fig. 5, by taking tetra- cells of A, B, C, D as an example, the signal strength of wherein A cells is most strong, therefore will set up A cells and be
Grid cell, and tri- cells of B, C, D all meet by comparing Tx0 the and Tx1 differences with A cells and repeat coverage condition, therefore
By calculating the weighting coefficient of three cells and analyzing tri- cells of B, C, D to A according to the grid number accountings of each leisure A cells
The problem of signal interference of cell.It is calculated according to above-mentioned, B cells are to the interference percentage of A cells：C
Cell is to the interference percentage of A cells：D cells are to the interference percentage of A cells：Cause
The disturbed coefficient of this A cell isThe severity that parameter characterization A is disturbed；Can similarly it pass through
∑jPj,iAcquire interference coefficient of each cell to other cells, which surveys cell as the serious of interference source
Degree.
Fig. 3 shows the specific workflow of this system 100, has including step：
S201, data acquisition, acquire by least two cells transmission end of base station transmitting Tx0 signals and Tx1 signals, i.e.,
Acquire the Tx0 signals of whole cell transmissions and Tx1 signals in tested region；
S202, software system data processing carry out systematization processing to the signal received；
S203, covering problem analysis is repeated；
Whether S204, Tx0, which repeat, covers, that is, judges whether be less than 6dB with the difference of the Tx0 of grid cell, if then into
Enter S205；
Whether S205, Tx1, which repeat, covers, that is, judges whether be less than 6dB with the difference of the Tx1 of grid cell, if then into
Enter S206；
S206, positioning double-flow design problem area；
S207, comprehensive excavation interfered cell problem.
Fig. 6 is RSRP (Reference Signal Receiving Power, the reference signal of MPS process overlapping two-by-two
Receive power) difference coverage diagram, wherein mark triangle is the grid that interfered cell generates main serving cell overlapping covering
Lattice point.
Fig. 7 is the MPS process figure of most strong jamming cell, other cells are produced wherein mark triangle represents the cell
The grid point of raw overlapping covering, these points are more, and the interference for representing the generation of this cell is more serious.
Such as Fig. 2, the method based on the optimization of interference matrix double-flow design has including step：
The Tx0 signals that the transmission end of base station by least two cells that S101, acquisition receiving terminal Rx0, Rx1 are received emits
With Tx1 signals；
S102, a grid cell is set up at least two cell, and with the Tx0 signals of the grid cell
Signal grid table is established with Tx1 signals；
Whether S103, the Tx0 signals for judging each cell and the Tx1 signals are right with grid cell institute
The Tx0 signals and the difference of the Tx1 signals answered are respectively less than predetermined threshold；If so, calculate the corresponding cell with
The weighting coefficient of the signal interference of the grid cell；
S104, the covering grid for being superimposed corresponding number in the signal grid table according to the weighting coefficient, pass through institute
State the signal interference that covering raster symbol-base analyzes the base station of the grid cell.
The quantity of the covering grid is equal to the weighting coefficient, and the weighting coefficient of the cell is set as M, if 0<x<
2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8；Wherein, institutes of the x for the cell and the grid cell
State the mean value of Tx0 signal differences and the Tx1 signal differences.The grid cell is signal strength at least two cell
Cell corresponding to the most strong Tx0 signals and the Tx1 signals；The predetermined threshold is 6dB.
The step S104 includes：
The disturbed coefficient of the grid cell and the interference coefficient of the cell are calculated according to the weighting coefficient, is led to
It crosses the disturbed coefficient and the interference coefficient analyzes the signal interference of the grid cell.
If the cell is to the interference percentage of the grid cellThen the disturbed coefficient is set as
∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the grid number of the signal grid table, i is all interference grid
The cell of lattice cell；J is all cells by i area interferences.
In conclusion the method for the present invention based on the optimization of interference matrix double-flow design, has including step：Acquisition connects
The Tx0 signals and Tx1 signals that the transmission end of base station by least two cells that receiving end Rx0, Rx1 receives emits；It is described extremely
A grid cell is set up, and signal grid is established with the Tx0 signals and Tx1 signals of the grid cell in few two cells
Table；Judge each cell the Tx0 signals and the Tx1 signals whether with the grid cell corresponding to described in
The difference of Tx0 signals and the Tx1 signals is respectively less than predetermined threshold；If so, calculate the corresponding cell and the grid
The weighting coefficient of the signal interference of cell；The covering of corresponding number is superimposed in the signal grid table according to the weighting coefficient
Grid analyzes the signal interference of the base station of the grid cell by the covering raster symbol-base.It is accurate from the angle analysis of double fluid
Really, the region of Quick locating structure confusion；And algorithm is formed by curing system, targetedly filters out the small of interference most serious
Area for the interference coefficient of each cell, determines the severity of the area interference.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and deformation, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
- A kind of 1. method based on the optimization of interference matrix double-flow design, which is characterized in that have including step：A, the Tx0 signals and Tx1 that the transmission end of base station by least two cells that acquisition receiving terminal Rx0, Rx1 is received emits are believed Number；B, a grid cell is set up at least two cell, and is believed with the Tx0 signals and Tx1 of the grid cell Number establish signal grid table；C, judge each cell the Tx0 signals and the Tx1 signals whether the institute corresponding to the grid cell The difference for stating Tx0 signals and the Tx1 signals is respectively less than predetermined threshold；If so, calculate the corresponding cell and the grid The weighting coefficient of the signal interference of lattice cell；D, the covering grid of corresponding number is superimposed in the signal grid table according to the weighting coefficient, passes through the cover grid Lattice calculate the signal interference for the base station for analyzing the grid cell.
- 2. according to the method described in claim 1, it is characterized in that, it is described covering grid quantity be equal to the weighting coefficient, The weighting coefficient of the cell is set as M, if 0<x<2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8； Wherein, x is the cell and the Tx0 signal differences of the grid cell and the mean value of the Tx1 signal differences.
- 3. according to the method described in claim 2, it is characterized in that, the step D includes：The disturbed coefficient of the grid cell and the interference coefficient of the cell are calculated according to the weighting coefficient, passes through institute It states disturbed coefficient and the interference coefficient analyzes the signal interference of the grid cell.
- 4. according to the method described in claim 3, it is characterized in that, set interference percentage of the cell to the grid cell ForThen the disturbed coefficient is set as ∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the signal The grid number of grid table, i are the cell of all interference grid cells；J is all by the described small of i area interferences Area.
- 5. according to the method described in claim 1, it is characterized in that, the grid cell is signal at least two cell Cell corresponding to the most strong Tx0 signals of intensity and the Tx1 signals；And/orThe predetermined threshold is 6dB.
- 6. a kind of system based on the optimization of interference matrix double-flow design, which is characterized in that including：Signal gathering unit emits for acquiring the transmission end of base station by least two cells that receiving terminal Rx0, Rx1 are received Tx0 signals and Tx1 signals；Grid setting unit, for setting up a grid cell at least two cell, and with the institute of the grid cell It states Tx0 signals and Tx1 signals establishes signal grid table；Judge computing unit, for judge the Tx0 signals of each cell and the Tx1 signals whether with the grid The difference of the Tx0 signals and the Tx1 signals corresponding to cell is respectively less than predetermined threshold；If so, calculate corresponding institute State the weighting coefficient of cell and the signal interference of the grid cell；Computing unit is analyzed, for being superimposed the cover grid of corresponding number in the signal grid table according to the weighting coefficient Lattice analyze the signal interference of the base station of the grid cell by the covering raster symbol-base.
- 7. system according to claim 6, which is characterized in that the quantity of the covering grid is equal to the weighting coefficient, The weighting coefficient of the cell is set as M, if 0<x<2, then M=1.2；If 2<x<4, then M=1；If 4<x<6, then M=0.8； Wherein, x is the cell and the Tx0 signal differences of the grid cell and the mean value of the Tx1 signal differences.
- 8. system according to claim 7, which is characterized in that the analysis computing unit, for being according to the weighting Number calculates the disturbed coefficients of the grid cells and the interference coefficient of the cell, by the disturbed coefficient and described Interference coefficient analyzes the signal interference of the grid cell.
- 9. system according to claim 8, which is characterized in that set interference percentage of the cell to the grid cell ForThen the disturbed coefficient is set as ∑iPa,i, the interference coefficient is set as ∑jPj,i；Wherein NaFor the signal The grid number of grid table, i are the cell of all interference grid cells；J is all by the described small of i area interferences Area.
- 10. system according to claim 6, which is characterized in that the grid cell is to believe at least two cell Cell corresponding to number most strong Tx0 signals of intensity and the Tx1 signals；And/orThe predetermined threshold is 6dB.
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