CN107105444A - The reference channel transmission power optimization method and device of cell - Google Patents
The reference channel transmission power optimization method and device of cell Download PDFInfo
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- CN107105444A CN107105444A CN201610099856.8A CN201610099856A CN107105444A CN 107105444 A CN107105444 A CN 107105444A CN 201610099856 A CN201610099856 A CN 201610099856A CN 107105444 A CN107105444 A CN 107105444A
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of reference channel transmission power optimization method and device of cell.This method includes：The wireless signal data covered in certain limit in the wireless signal area of coverage a little are obtained by testing, and obtain the cell parameter information of each cell area of coverage Nei；Travel through each cell, the covering point that exceeds the time limit of each cell is determined according to corresponding wireless signal data and corresponding cell parameter information, and calculate the covering point that exceeds the time limit of each cell and account for this cell and always cover ratio a little, if ratio is more than default first thresholding, the reference channel transmission power of respective cell is reduced into pre- fixed step size；Determine to cover optimal alternative cell a little in the cell after the reduction of reference channel transmission power, and the quantity for covering point according to the replacement of optimal alternative cell is determined whether to optimal alternative cell tagging；Travel through after the completion of each cell, determine the reference channel transmission power of each cell area of coverage Nei.
Description
Technical field
The present invention relates to field of mobile communication, the reference channel transmission power of more particularly to a kind of cell optimizes
Method and device.
Background technology
In the lte networks, the power of Traffic Channel is to take relative value and true according to the setting of reference channel power
Fixed.When carrying out the network optimization, in order to improve the quality of service of some point or cell, often take and carry
The mode of high reference channel power lifts the power of Traffic Channel, so as to improve the coverage strength of signal.Thing
In reality, quality of service depends not only on the coverage strength of signal, what is more important signal interference ratio.But, piece
The signal intensity of single subdistrict is improved to face, covering is not necessarily effectively strengthened, can also be to other small
Area interferes accumulation, and decline of overall importance occurs in network index.
The content of the invention
In view of improving the signal intensity of single subdistrict in the prior art unilaterally, covering is not necessarily had
Other cells can also be interfered accumulation by effect enhancing, and the problem of decline of overall importance occurs in network index carries
Go out the present invention to provide a kind of cell for overcoming above mentioned problem or solving the above problems at least in part
Reference channel transmission power optimization method and device.
The present invention provides a kind of reference channel transmission power optimization method of cell, including：
The wireless signal data covered in certain limit in the wireless signal area of coverage a little are obtained by testing, and are obtained
Take the cell parameter information of each cell area of coverage Nei；
Each cell is traveled through, each is determined according to corresponding wireless signal data and corresponding cell parameter information
The exceeding the time limit of cell point is covered, and calculates the covering point that exceeds the time limit of each cell and account for this cell and always cover ratio a little,
If ratio is more than default first thresholding, by the predetermined step of reference channel transmission power reduction of respective cell
It is long；
Determine to cover optimal alternative cell a little in the cell after the reduction of reference channel transmission power, and according to most
The replacement of good alternative cell covers the quantity put and determined whether to optimal alternative cell tagging, wherein, for
The cell of tagging, the reference channel transmitting of the cell is not changed during each cell is subsequently traveled through
Power；
Travel through after the completion of each cell, determine the reference channel transmission power of each cell area of coverage Nei.
Optimize device present invention also offers a kind of reference channel transmission power of cell, including：
Acquisition module, for covering a little wireless in certain limit in the wireless signal area of coverage by testing to obtain
Signal data, and obtain the cell parameter information of each cell area of coverage Nei；
First processing module, for traveling through each cell, according to corresponding wireless signal data and corresponding small
Area's parameter information determine each cell exceed the time limit cover point, and calculate the covering point that exceeds the time limit of each cell and account for small
Qu always covers ratio a little, if ratio is more than default first thresholding, the reference channel of respective cell is sent out
Penetrating power reduces pre- fixed step size；
Second processing module, for determining to cover a little optimal in the cell after the reduction of reference channel transmission power
Alternative cell, and determined whether according to the quantity of the replacement covering point of optimal alternative cell to optimal alternative cell
Tagging, wherein, for the cell of tagging, this is not changed during each cell is subsequently traveled through
The reference channel transmission power of cell；
Determining module, the reference letter for after the completion of each cell is traveled through, determining each cell area of coverage Nei
Road transmission power.
The present invention has the beneficial effect that：
The a large amount of test datas accumulated using optimal inspection, travel through cell one by one, determine whether to reduce cell
The possibility of transmission power, analyzes the primary service area coverage condition of each point, in the case where ensureing equal covering level, drop
Low transmitting power, exceeds the time limit to cover point by the part of the former cell of new MPS process.Finally export each cell transmission work(
Rate recommended value, to reach that the whole network more optimized is covered, in addition, the technical scheme of the embodiment of the present invention utilizes product
Tired various drive test datas, without propagation model and planning simulation, you can calculate the situation that cell is totally covered,
Elimination is reached to exceed the time limit excessive coverage cell, can effectively set rational channel power.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and being practiced according to the content of specification, and in order to allow above and other objects of the present invention,
Feature and advantage can become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are for ability
Domain those of ordinary skill will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and simultaneously
It is not considered as limitation of the present invention.And in whole accompanying drawing, identical is denoted by the same reference numerals
Part.In the accompanying drawings：
Fig. 1 is the flow chart of the reference channel transmission power optimization method of the cell of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the covering of exceeding the time limit of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the normal covering of the embodiment of the present invention；
Fig. 4 is the flow chart 1 of the detailed processing of the embodiment of the present invention；
Fig. 5 is the flow chart 2 of the detailed processing of the embodiment of the present invention；
Fig. 6 is that the reference channel transmission power of the cell of the embodiment of the present invention optimizes the structural representation of device.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure without should be by
Embodiments set forth here is limited.It is opposite to be able to be best understood from this there is provided these embodiments
It is open, and can by the scope of the present disclosure completely convey to those skilled in the art.
During the present invention is realized, it is applicant's understanding that being considered with an overall area of coverage, network is
The continuous field as formed by the cell overlapped coverage of diverse location.Transmission power to individual cells is carried out effectively
Management and control, the coverage strength of cell signal is reduced, its former MPS process is effectively taken over by other small adjacent areas
Partial dot, then do not interfere with the covering level of whole region.What is more important, from system principle,
On the premise of the coverage strength for ensureing signal, cell transmission power is lower, and interference is with regard to smaller, business in system
Quality, user perceive and also improved therewith.Therefore, in order to solve in the prior art unilateral to improve single subdistrict
Signal intensity, covering not necessarily effectively strengthened, can also interfere accumulation to other cells,
The problem of decline of overall importance occurs in network index, the invention provides a kind of reference channel transmission power of cell
Optimization method and device, first, the area of coverage are pinpointed or road according to certain interval or mesh generation
Line is tested, and is obtained the wireless signal data such as considerable covering, interference, handoff relation, is set up database.So
Afterwards, physics, engineering and the wireless parameter of network are inputted, to aid in follow-up calculating and judgement.Travel through each small
Area is analyzed and calculated to information such as signal intensity, neighboring BS relationship and the measurement reports of covering point, is sentenced
Whether disconnected be to exceed the time limit to cover point, and extract optimal adjacent area.Finally, according to certain rule, to cell power
Adjusted, and successive ignition, to obtain the optimal coverage effect of the overall situation.Below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, the present invention is not limited.
Embodiment of the method
There is provided a kind of reference channel transmission power optimization method of cell, figure for embodiments in accordance with the present invention
1 is the flow chart of the reference channel transmission power optimization method of the cell of the embodiment of the present invention, as shown in figure 1,
The reference channel transmission power optimization method of cell according to embodiments of the present invention includes following processing：
Step 101, the wireless signal covered in certain limit in the wireless signal area of coverage a little is obtained by testing
Data, and obtain the cell parameter information of each cell area of coverage Nei；
In a step 101, can first by the wireless signal area of coverage in certain limit according to certain interval or
Person's grid is divided, and fixed test is carried out to the area of coverage after division or route is tested, is obtained in the area of coverage
Cover the wireless signal data of point.
Wherein, wireless signal data include：The signal intensity for covering point, the cell ID for covering point, covering point
Cell handoff relation of position, the signal quality of covering point and covering point etc.；
Cell parameter information includes：Base station location, the reference channel transmission power of base station, the business of base station letter
The base station engineering parameter such as height of road transmission power, the section orientation of base station and base station and wireless parameter.
In a step 101, the wireless signal data of the wireless signal area of coverage in certain limit are obtained by testing,
And after obtaining the cell parameter information of each cell area of coverage Nei, a database can also be set up, by nothing
Line signal data and cell parameter information are stored in database.
Step 102, each cell is traveled through, is believed according to corresponding wireless signal data and corresponding cell parameter
Breath determine each cell exceed the time limit cover point, and calculate the covering point that exceeds the time limit of each cell and account for this cell and always cover
The ratio of point, if ratio is more than default first thresholding, the reference channel transmission power of respective cell is dropped
Low pre- fixed step size；
Fig. 2 is the schematic diagram of the covering of exceeding the time limit of the embodiment of the present invention, and Fig. 3 is that the normal of the embodiment of the present invention covers
, as shown in Figures 2 and 3, in the covering schematic diagram that exceeds the time limit, there is part in cell A in the schematic diagram of lid
Exceed the time limit to cover point.In the schematic diagram normally covered, point is covered in the absence of exceeding the time limit, explanation is needed exist for,
Exceed the time limit to cover to put and be：Exceed certain distance apart from base station in cell, and path loss is less than predetermined line loss threshold, and
The signal intensity of its optimal adjacent area is more than the covering point of predetermined signal strength thresholding.
In a step 102, the corresponding wireless signal data obtained according to test and corresponding cell parameter are believed
Breath determines that the covering point that exceeds the time limit of each cell is specifically included：The traffic channel transmission power of corresponding base station is subtracted
The signal intensity of corresponding covering point is gone to obtain the path loss of each covering point of respective cell；According to corresponding base station position
Put and the point of covering accordingly position determines distance of each covering point of respective cell apart from base station；According to corresponding small
The path loss of each covering point of area and apart from and optimal adjacent area the covering point signal intensity, it is determined that accordingly
Whether each covering point of cell is to exceed the time limit to cover point.
In a step 102, can be with after the reference channel transmission power of respective cell being reduced into pre- fixed step size
The reference of respective cell base station in database is believed according to the reference channel transmission power reduced after pre- fixed step size
Road transmission power is updated.
Step 103, determine to cover optimal alternative cell a little in the cell after the reduction of reference channel transmission power,
And determined whether according to the quantity of the replacement covering point of optimal alternative cell to optimal alternative cell tagging, its
In, for the cell of tagging, do not change the reference of the cell during each cell is subsequently traveled through
Channel emission power；
In step 103, the quantity for covering point according to the replacement of optimal alternative cell is determined whether to most preferably replacing
Specifically included for cell tagging：
The covering point of former cell is total where the replacement covering point sum of optimal alternative cell accounts for replacement covering point
Ratio be more than predetermined second thresholding；Or, the replacement covering point accumulative total of optimal alternative cell is with most preferably replacing
Ratio for total covering points of cell is more than predetermined 3rd thresholding, then to optimal alternative cell tagging.
At step 104, determine to cover optimal replacement a little in the cell after the reduction of reference channel transmission power
After cell, the signal intensity and former cell ID of the former cell of corresponding covering point in database can be replaced
Signal intensity and cell ID for optimal alternative cell.
Step 104, after the completion of traveling through each cell (to each cell execution of step 102- steps 103 it
Afterwards), the reference channel transmission power of each cell area of coverage Nei is determined.
After step 104 is performed, it is possible to according to the reference channel transmission power of each cell to each
The traffic channel transmission power of cell is adjusted；Preferably, it can also be connect according to the reference channel of covering point
The difference between power and the receiving power of Traffic Channel is received, traffic channel transmission power is modified.
Below in conjunction with accompanying drawing, the above-mentioned technical proposal to the embodiment of the present invention is described in detail.
Fig. 4 is the flow chart 1 of the detailed processing of the embodiment of the present invention, and Fig. 5 is the detailed of the embodiment of the present invention
The flow chart 2 of processing, as shown in Figure 4, Figure 5, specifically includes following processing：
Step 401, obtain the channel covering of each cell in overlay area, signal quality (signal interference),
Cell handoff relation and test point position data, set up domain test database.
Step 402, the base station project data and wireless parameter of each cell in overlay area are input to database
In.
Step 403, the cell traversal in overlay area is carried out.
Step 404, judge whether current area is set to flag bit, if the judgment is Yes, then to next small
Area, re-executes step 404, otherwise, performs step 405.
Step 405, node-by-node algorithm in cell, covering situation of exceeding the time limit to cell is estimated.
Step 406, judge whether the Reference Signal Received Power RSRP of current covering point in cell is more than in advance
If threshold value, if the judgment is Yes, then perform step 407, otherwise, calculate next covering point, hold
Row step 406.
Step 407, judge whether the centre distance of current covering point and cell base station is more than default thresholding,
If the judgment is Yes, then step 408 is performed, otherwise, next covering point is calculated, performs step 406.
Step 408, judge whether the optimal adjacent area RSRP of current covering point is more than default thresholding, if
It is judged as YES, then performs step 409, otherwise, calculates next covering point, perform step 406.
Step 409, it is determined that current covering covers point to exceed the time limit, the covering points of exceeding the time limit of current area are added
1。
Step 410, judge whether pointwise completes step 406-409 processing for current area, if it is determined that
It is yes, then performs step 411, otherwise, calculates next covering point, perform step 406.
Step 411, judge whether covering points of exceeding the time limit/covering point sum of current area is more than default door
Limit, if the judgment is Yes, then performs step 412, otherwise, performs step 522.
Step 412, the reference signal transmission power of current area is downgraded into a step-length.
Step 513, according to the reference signal transmission power of renewal, point-to-point analysis substitutes small in current area
Area.
Step 514, judge that the received signal power RSCP of optimal adjacent area subtracts the reference signal of current area
Whether receiving power RSRP is more than default thresholding, if the judgment is Yes, then performs step 515, otherwise,
Next covering point is calculated, step 514 is performed.
Step 515, current covering point substitutes former cell by optimal adjacent area, and updates the data storehouse.
Step 516, count is incremented by covering point current area substituted by optimal adjacent area total.
Step 517, optimal adjacent area adds 1 as the covering point accumulative total of alternative cell.
Step 518, the covering point sum for covering a total divided by current area that current area is substituted is judged
Value whether be more than default thresholding, if the judgment is Yes, then perform step 520, otherwise, perform step
519。
Step 519, judge that optimal adjacent area is covered as the covering point accumulative total of alternative cell divided by optimal adjacent area
Whether the value of point sum is more than default thresholding, if the judgment is Yes, then performs step 520, otherwise, hold
Row step 521.
Step 520, flag bit is put into alternative cell.
Step 521, judge whether that pointwise completes the analysis of alternative cell, if the judgment is Yes, then perform
Step 522, otherwise, next covering point is calculated, step 514 is performed.
Step 522, judge that whether each cell travels through completion in overlay area, if the judgment is Yes, then holds
Row step 523, otherwise, calculates next cell, performs step 404.
Step 523, revised cell reference power recommended value is exported.
In summary, the embodiment of the present invention utilizes a large amount of test datas that optimal inspection is accumulated, and travels through one by one small
Area, determines whether to reduce the possibility of cell transmission power, analyzes the primary service area coverage condition of each point,
Ensure under equal covering level, reduce transmission power, exceed the time limit to cover point by the part of the former cell of new MPS process.
Each cell transmission power recommended value is finally exported, to reach that the whole network more optimized is covered, in addition, the present invention is real
The technical scheme of example is applied using the various drive test datas of accumulation, without propagation model and planning simulation, you can push away
The situation that cell is totally covered is calculated, elimination is reached and exceeds the time limit excessive coverage cell, can effectively set rational letter
Road power.
Device embodiment
Embodiments in accordance with the present invention optimize device, figure there is provided a kind of reference channel transmission power of cell
6 be that the reference channel transmission power of the cell of the embodiment of the present invention optimizes the structural representation of device, such as Fig. 6
Shown, the reference channel transmission power optimization device of cell according to embodiments of the present invention includes：Acquisition module
60th, first processing module 62, Second processing module 64 and determining module 66, below to of the invention real
The modules for applying example are described in detail.
Acquisition module 60, for obtaining the nothing covered in certain limit in the wireless signal area of coverage a little by testing
Line signal data, and obtain the cell parameter information of each cell area of coverage Nei；Acquisition module 60 is specifically used
In：The wireless signal area of coverage in certain limit is divided according to certain interval or grid, to dividing
The area of coverage afterwards carries out fixed test or route test, obtains the wireless signal data covered in the area of coverage a little.
Wherein, wireless signal data include：The signal intensity for covering point, the cell ID for covering point, covering point
Cell handoff relation of position, the signal quality of covering point and covering point etc.；
Cell parameter information includes：Base station location, the reference channel transmission power of base station, the business of base station letter
The base station engineering parameter such as height of road transmission power, the section orientation of base station and base station and wireless parameter.
First processing module 62, for traveling through each cell, according to corresponding wireless signal data and accordingly
Cell parameter information determine each cell exceed the time limit cover point, and calculate the covering point that exceeds the time limit of each cell and account for this
Cell always covers ratio a little, if ratio is more than default first thresholding, by the reference channel of respective cell
Transmission power reduces pre- fixed step size；First processing module 62 specifically for：
The signal intensity that the traffic channel transmission power of corresponding base station is subtracted into corresponding covering point is obtained accordingly
The path loss of each covering point of cell；Determined according to corresponding base station location and corresponding covering point position corresponding small
Distance of each covering point of area apart from base station；According to respective cell each covering point path loss and apart from and
Optimal adjacent area determines whether each covering point of respective cell is covering of exceeding the time limit in the signal intensity of the covering point
Point, wherein, the covering point that exceeds the time limit is：Exceed certain distance apart from base station in cell, and path loss is less than predetermined road
Damage thresholding, and covering point of the signal intensity more than predetermined signal strength thresholding of its optimal adjacent area.
Second processing module 64, for determining that covering point is most in the cell after the reduction of reference channel transmission power
Good alternative cell, and according to optimal alternative cell replacement cover point quantity determine whether it is small to most preferably substituting
Area's tagging, wherein, for the cell of tagging, do not changed during each cell is subsequently traveled through
The reference channel transmission power of the cell；Second processing module 64 specifically for：
The covering point of former cell is total where the replacement covering point sum of optimal alternative cell accounts for replacement covering point
Ratio be more than predetermined second thresholding；Or, the replacement covering point accumulative total of optimal alternative cell is with most preferably replacing
Ratio for total covering points of cell is more than predetermined 3rd thresholding, then to optimal alternative cell tagging.
Determining module 66, for after the completion of each cell is traveled through, determining the reference of each cell area of coverage Nei
Channel emission power.
Said apparatus further comprises：
Adjusting module, for Traffic Channel of the reference channel transmission power according to each cell to each cell
Transmission power is adjusted；
Correcting module, for according to covering point reference channel receiving power and Traffic Channel receiving power it
Between difference, traffic channel transmission power is modified；
Database, for wireless signal data and cell parameter information to be stored in database；According to reduction
Reference channel transmission power after pre- fixed step size launches work(to the reference channel of respective cell base station in database
Rate is updated；The signal intensity and original cell ID of the former cell of corresponding covering point in database are replaced with
The signal intensity and cell ID of optimal alternative cell.
In summary, the embodiment of the present invention utilizes a large amount of test datas that optimal inspection is accumulated, and travels through one by one small
Area, determines whether to reduce the possibility of cell transmission power, analyzes the primary service area coverage condition of each point,
Ensure under equal covering level, reduce transmission power, exceed the time limit to cover point by the part of the former cell of new MPS process.
Each cell transmission power recommended value is finally exported, to reach that the whole network more optimized is covered, in addition, the present invention is real
The technical scheme of example is applied using the various drive test datas of accumulation, without propagation model and planning simulation, you can push away
The situation that cell is totally covered is calculated, elimination is reached and exceeds the time limit excessive coverage cell, can effectively set rational letter
Road power.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention
Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Algorithm and display be not intrinsic with any certain computer, virtual system or miscellaneous equipment provided herein
It is related.Various general-purpose systems can also be used together with based on teaching in this.As described above, structure
It is obvious to make the structure required by this kind of system.In addition, the present invention is not also directed to any certain programmed
Language.It is understood that, it is possible to use various programming languages realize the content of invention described herein, and
The description done above to language-specific be in order to disclose the present invention preferred forms.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that this hair
Bright embodiment can be put into practice in the case of these no details.In some instances, not in detail
Known method, structure and technology are shown, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one in each inventive aspect or
It is multiple, above in the description of the exemplary embodiment of the present invention, each feature of the invention is sometimes by one
Rise and be grouped into single embodiment, figure or descriptions thereof.However, should not be by the method for the disclosure
It is construed to reflect following intention：I.e. the present invention for required protection require than in each claim institute it is clear and definite
The more features of feature of record.More precisely, as the following claims reflect, hair
Bright aspect is all features less than single embodiment disclosed above.Therefore, it then follows embodiment
Claims be thus expressly incorporated in the embodiment, wherein the conduct of each claim in itself
The separate embodiments of the present invention.
Those skilled in the art, which are appreciated that, to be carried out certainly to the module in the client in embodiment
Adaptively change and they are arranged in one or more clients different from the embodiment.Can be with
The block combiner in embodiment into a module, and multiple submodule or son can be divided into addition
Unit or sub-component.Except at least some in such feature and/or process or unit exclude each other it
Outside, can be using any combinations to public in this specification (including adjoint claim, summary and accompanying drawing)
All features and all processes or unit carry out group of so disclosed any method or client opened
Close.Unless expressly stated otherwise, it is public in this specification (including adjoint claim, summary and accompanying drawing)
The each feature opened can be replaced by the alternative features for providing identical, equivalent or similar purpose.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein are including other
Included some features rather than further feature in embodiment, but the not combination meaning of the feature of be the same as Example
Taste, which, is within the scope of the present invention and is formed different embodiments.For example, in following claim
In book, the one of any of embodiment claimed mode can use in any combination.
The all parts embodiment of the present invention can be realized with hardware, or with one or more processor
The software module of upper operation is realized, or is realized with combinations thereof.It will be understood by those of skill in the art that
It can be realized in practice using microprocessor or digital signal processor (DSP) according to of the invention real
Apply some or all functions of some or all parts being loaded with the client of sequence network address of example.
The present invention be also implemented as some or all equipment for performing method as described herein or
Person's program of device (for example, computer program and computer program product).Such journey for realizing the present invention
Sequence can be stored on a computer-readable medium, or can have the form of one or more signal.This
The signal of sample can be downloaded from internet website and obtained, and either be provided or with any on carrier signal
Other forms are provided.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and
And those skilled in the art can design replacement implementation without departing from the scope of the appended claims
Example.In the claims, any reference symbol between bracket should not be configured to claim
Limitation.Word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" do not exclude the presence of multiple such elements.If the present invention can be by means of including
The hardware of dry different elements and realized by means of properly programmed computer.If listing equipment for drying
In unit claim, several in these devices can be embodied by same hardware branch.
The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
Claims (14)
1. a kind of reference channel transmission power optimization method of cell, it is characterised in that including：
The wireless signal data covered in certain limit in the wireless signal area of coverage a little are obtained by testing, and are obtained
Take the cell parameter information of each cell area of coverage Nei；
Each cell is traveled through, each is determined according to corresponding wireless signal data and corresponding cell parameter information
The exceeding the time limit of cell point is covered, and calculates the covering point that exceeds the time limit of each cell and account for this cell and always cover ratio a little,
If the ratio is more than default first thresholding, the reference channel transmission power of respective cell is reduced predetermined
Step-length；
Determine to cover optimal alternative cell a little in the cell after the reduction of reference channel transmission power, and according to institute
State optimal alternative cell replacement covering point quantity determine whether to the optimal alternative cell tagging, its
In, for the cell of tagging, do not change the reference of the cell during each cell is subsequently traveled through
Channel emission power；
Travel through after the completion of each cell, determine the reference channel transmission power of each cell area of coverage Nei.
2. the method as described in claim 1, it is characterised in that obtain nothing in certain limit by testing
The wireless signal data of line signal coverage are specifically included：
The wireless signal area of coverage in certain limit is divided according to certain interval or grid, to dividing
The area of coverage afterwards carries out fixed test or route test, obtains the wireless communication number covered in the area of coverage a little
According to.
3. the method as described in claim 1, it is characterised in that
The wireless signal data include：Cover signal intensity, the cell ID of covering point and the covering of point
Point position；
The wireless signal data also include at least one of：Cover the signal quality of point, cover the small of point
Area's handoff relation；
The cell parameter information includes：Base station location, the reference channel transmission power of base station and base station
Traffic channel transmission power；
The cell parameter information also includes at least one of：The section orientation of base station, the height of base station.
4. method as claimed in claim 3, it is characterised in that according to the corresponding wireless of test acquisition
Signal data and corresponding cell parameter information determine that the covering point that exceeds the time limit of each cell is specifically included：
The signal intensity that the traffic channel transmission power of corresponding base station is subtracted into corresponding covering point is obtained accordingly
The path loss of each covering point of cell；
Each covering point distance of respective cell is determined according to corresponding base station location and corresponding covering point position
The distance of base station；
According to the path loss and the distance of each covering point of respective cell and optimal adjacent area in the covering
The signal intensity of point, determines whether each covering point of respective cell is to exceed the time limit to cover point, wherein, it is described to exceed the time limit
Covering point is：Exceed certain distance apart from base station in cell, and path loss is less than predetermined line loss threshold, and it is most
The signal intensity of good adjacent area is more than the covering point of predetermined signal strength thresholding.
5. the method as described in claim 1, it is characterised in that according to replacing for the optimal alternative cell
The quantity of generation covering point determines whether to specifically include the optimal alternative cell tagging：
The replacement covering point sum of the optimal alternative cell accounts for covering for the former cell where substituting covering point
The ratio of lid point sum is more than predetermined second thresholding；Or, the replacement covering point of the optimal alternative cell is tired
Count the ratio counted with total covering of the optimal alternative cell and be more than predetermined 3rd thresholding, then to it is described most
Good alternative cell tagging.
6. the method as described in claim 1, it is characterised in that methods described further comprises：
The traffic channel transmission power of each cell is carried out according to the reference channel transmission power of each cell
Adjustment；
According to the difference between the reference channel receiving power of covering point and the receiving power of Traffic Channel, to industry
Business channel emission power is modified.
7. the method as described in claim 1, it is characterised in that obtain nothing in certain limit by testing
The wireless signal data of line signal coverage, and obtain the cell parameter information of each cell area of coverage Nei
Afterwards, methods described further comprises：
Database is set up, the wireless signal data and the cell parameter information are stored in the database
In；
After the pre- fixed step size of reference channel transmission power reduction of respective cell, methods described is further wrapped
Include：
According to the reference channel transmission power reduced after pre- fixed step size to respective cell base station in the database
Reference channel transmission power be updated；
It is described after determining to cover optimal alternative cell a little in the cell after the reduction of reference channel transmission power
Method further comprises：
The signal intensity and original cell ID of the former cell of corresponding covering point in the database are replaced with described
The signal intensity and cell ID of optimal alternative cell.
8. a kind of reference channel transmission power optimization device of cell, it is characterised in that including：
Acquisition module, for covering a little wireless in certain limit in the wireless signal area of coverage by testing to obtain
Signal data, and obtain the cell parameter information of each cell area of coverage Nei；
First processing module, for traveling through each cell, according to corresponding wireless signal data and corresponding small
Area's parameter information determine each cell exceed the time limit cover point, and calculate the covering point that exceeds the time limit of each cell and account for small
Qu always covers ratio a little, if the ratio is more than default first thresholding, the reference of respective cell is believed
Road transmission power reduces pre- fixed step size；
Second processing module, for determining to cover a little optimal in the cell after the reduction of reference channel transmission power
Alternative cell, and determined whether according to the quantity of the replacement covering point of the optimal alternative cell to described optimal
Alternative cell tagging, wherein, for the cell of tagging, during each cell is subsequently traveled through
The reference channel transmission power of the cell is not changed；
Determining module, for after the completion of each cell is traveled through, determining the ginseng of each cell area of coverage Nei
Examine channel emission power.
9. device as claimed in claim 8, it is characterised in that the acquisition module specifically for：
The wireless signal area of coverage in certain limit is divided according to certain interval or grid, to dividing
The area of coverage afterwards carries out fixed test or route test, obtains the wireless communication number covered in the area of coverage a little
According to.
10. device as claimed in claim 8, it is characterised in that
The wireless signal data include：Cover signal intensity, the cell ID of covering point and the covering of point
Point position；
The wireless signal data also include at least one of：Cover the signal quality of point, cover the small of point
Area's handoff relation；
The cell parameter information includes：Base station location, the reference channel transmission power of base station and base station
Traffic channel transmission power；
The cell parameter information also includes at least one of：The section orientation of base station, the height of base station.
11. device as claimed in claim 10, it is characterised in that the first processing module is specifically used
In：
The signal intensity that the traffic channel transmission power of corresponding base station is subtracted into corresponding covering point is obtained accordingly
The path loss of each covering point of cell；
Each covering point distance of respective cell is determined according to corresponding base station location and corresponding covering point position
The distance of base station；
According to the path loss and the distance of each covering point of respective cell and optimal adjacent area in the covering
The signal intensity of point, determines whether each covering point of respective cell is to exceed the time limit to cover point, wherein, it is described to exceed the time limit
Covering point is：Exceed certain distance apart from base station in cell, and path loss is less than predetermined line loss threshold, and it is most
The signal intensity of good adjacent area is more than the covering point of predetermined signal strength thresholding.
12. device as claimed in claim 8, it is characterised in that the Second processing module specifically for：
The replacement covering point sum of the optimal alternative cell accounts for covering for the former cell where substituting covering point
The ratio of lid point sum is more than predetermined second thresholding；Or, the replacement covering point of the optimal alternative cell is tired
Count the ratio counted with total covering of the optimal alternative cell and be more than predetermined 3rd thresholding, then to it is described most
Good alternative cell tagging.
13. device as claimed in claim 8, it is characterised in that described device further comprises：
Adjusting module, for Traffic Channel of the reference channel transmission power according to each cell to each cell
Transmission power is adjusted；
Correcting module, for according to covering point reference channel receiving power and Traffic Channel receiving power it
Between difference, traffic channel transmission power is modified.
14. device as claimed in claim 8, it is characterised in that described device further comprises：
Database, for the wireless signal data and the cell parameter information to be stored in into the database
In；According to the reference channel transmission power reduced after pre- fixed step size to respective cell base station in the database
Reference channel transmission power is updated；By the signal intensity of the former cell of corresponding covering point in the database
The signal intensity and cell ID of the optimal alternative cell are replaced with former cell ID.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610099856.8A CN107105444A (en) | 2016-02-23 | 2016-02-23 | The reference channel transmission power optimization method and device of cell |
| PCT/CN2016/108443 WO2017143829A1 (en) | 2016-02-23 | 2016-12-02 | Method and device for optimizing reference channel transmit power of cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610099856.8A CN107105444A (en) | 2016-02-23 | 2016-02-23 | The reference channel transmission power optimization method and device of cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996251A (en) * | 2017-12-29 | 2019-07-09 | 中兴网鲲信息科技（上海）有限公司 | A method of carrying out signal coverage prediction |
| CN113993200A (en) * | 2021-12-27 | 2022-01-28 | 四川创智联恒科技有限公司 | 5GNR downlink channel power adjustment method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112689294B (en) * | 2019-10-17 | 2023-04-11 | 中国移动通信集团重庆有限公司 | Carrier frequency power configuration method and device |
| CN114599047A (en) * | 2020-12-03 | 2022-06-07 | 中兴通讯股份有限公司 | Network parameter derivation method, electronic device and storage medium |
| CN114599040B (en) * | 2020-12-07 | 2023-09-19 | 中国移动通信集团山西有限公司 | Base station position determining method and device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101895924B (en) * | 2010-07-15 | 2013-04-17 | 华为技术有限公司 | Method, device and system for controlling power of home Node B |
| CN104053222B (en) * | 2013-03-14 | 2017-07-14 | 电信科学技术研究院 | Base station transmitting power method of adjustment and device |
| US9319916B2 (en) * | 2013-03-15 | 2016-04-19 | Isco International, Llc | Method and appartus for signal interference processing |
| CN104244335B (en) * | 2013-06-13 | 2019-12-10 | 索尼公司 | Interference coordination method, interference coordination device and measurement device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996251A (en) * | 2017-12-29 | 2019-07-09 | 中兴网鲲信息科技（上海）有限公司 | A method of carrying out signal coverage prediction |
| CN109996251B (en) * | 2017-12-29 | 2022-08-16 | 中兴通讯股份有限公司 | Method for signal coverage prediction |
| CN113993200A (en) * | 2021-12-27 | 2022-01-28 | 四川创智联恒科技有限公司 | 5GNR downlink channel power adjustment method |
| CN113993200B (en) * | 2021-12-27 | 2022-03-18 | 四川创智联恒科技有限公司 | 5GNR downlink channel power adjustment method |
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| WO2017143829A1 (en) | 2017-08-31 |
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