CN102711127B - A kind of propagation scene collocation method based on scene library and device - Google Patents
A kind of propagation scene collocation method based on scene library and device Download PDFInfo
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Abstract
The present invention relates to the communications field, disclose a kind of propagation scene collocation method based on scene library and device.The method is: divided multiple propagation scene, thus establish different scene library, in any one scene library, the corresponding propagation model of each scene and one group of plan optimization parameter, when carrying out network deployment, new propagation model can be initially set up, again newly-established propagation model is mated successively with the propagation model in scene library, and choose the plan optimization parameter group in the scene library corresponding to the propagation model that the match is successful, newly-built propagation scene is carried out initial planning and parameters optimization configuration.So, can be on the basis of making full use of network planning parameters optimization configuration experience, realize the optimization of network performance, the network making initial arrangement reaches optimal operational condition with the shortest cycle, improve network deployment efficiency, be conducive to developing rapidly of business, it is achieved the benign cycle that network and business performance to each other optimizes.
Description
Technical field
The present invention relates to the communications field, particularly to a kind of propagation scene collocation method based on scene library and dress
Put.
Background technology
Along with popularizing of mobile communication, the fierceness day by day of Mobile Communications Market competition, Telecom Carriers is inevitable
Need constantly to promote network quality and systematic function, to meet diversified user's request.
In order to reach this purpose, Telecom Carriers needs most attention, is i.e. the actual environment according to various places
With the setting that network condition carries out the network planning and parameters optimization, this for network sound development and ensure net
Network quality has very important significance.
Existing wireless network planning and the configuration optimizing initial parameter are simple, e.g., need according to unification
Default parameter carry out initial parameter configuration, follow-up be adjusted by substantial amounts of long-term parameter optimization again,
The requirement to various wireless network indexs of the various environment can not be met, thus affect network quality.
Summary of the invention
The embodiment of the present invention provides a kind of propagation scene collocation method based on scene library and device, in order to realize
Under all kinds of propagation scenes, realize rapidly distributing rationally of network, thus improve network deployment matter quality.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of propagation scene collocation method based on scene library, including:
Preset multiple scene library, for each class propagation field under respective propagation environment in each scene library
Scape is respectively provided with corresponding propagation model and plan optimization parameter group；
When carrying out network deployment, set up corresponding first propagation model for current propagation scene；
Each with scene library for described first propagation model propagation model is mated successively, and is determining scene
When storehouse exists the second propagation model mated with the first propagation model, according to the biography that the second propagation model is corresponding
The plan optimization parameter group broadcasting scene carries out parameter configuration to the propagation scene that described first propagation model is corresponding.
A kind of propagation scene configuration device based on scene library, including:
Dispensing unit, is used for presetting multiple scene library, under respective propagation environment in each scene library
Each class propagate scene be respectively provided with corresponding propagation model and plan optimization parameter group；
First processing unit, for when carrying out network deployment, sets up corresponding for current propagation scene
First propagation model；
Second processing unit, for carrying out described first propagation model successively with each propagation model in scene library
Coupling, and when there is, in determining scene library, the second propagation model mated with the first propagation model, according to the
The biography that the plan optimization parameter group of the propagation scene that two propagation models are corresponding is corresponding to described first propagation model
Broadcast scene and carry out parameter configuration.
In the embodiment of the present invention, multiple propagation scene is divided, thus is established different scene library,
In any one scene library, the corresponding propagation model of each scene and one group of plan optimization parameter, entering
During row network deployment, for the region of newly-built mobile communications network, new propagation model can be initially set up, then
Newly-established propagation model mated successively with the propagation model in scene library, and chooses that the match is successful
Plan optimization parameter group in scene library corresponding to propagation model, carries out initial to newly-built propagation scene
Planning and parameters optimization configure.Use this programme, default scene library can be used newly-built propagation model
Carry out careful perfect, consider sufficient plan optimization parameter configuration, as such, it is possible to making full use of network rule
Draw on the basis of parameters optimization configuration experience, it is achieved the optimization of network performance, make the network of initial arrangement with
The shortest cycle reaches optimal operational condition, improves developing rapidly of network deployment efficiency, beneficially business,
Realize network and the benign cycle of business performance optimization to each other.
Accompanying drawing explanation
Fig. 1 is that embodiment of the present invention Scene storehouse configures logical schematic；
Fig. 2 is configuration parameter span schematic diagram in the embodiment of the present invention；
Fig. 3 is to propagate scene configuration general introduction flow chart in the embodiment of the present invention；
Fig. 4 is propagation model coupling schematic diagram in the embodiment of the present invention；
Fig. 5 is propagation scene configuration detail flowchart in the embodiment of the present invention；
Fig. 6 is managing device structural representation in the embodiment of the present invention.
Detailed description of the invention
In actual application, when carrying out network deployment, preferably, need to set up propagation model.Pass setting up
During broadcasting model, need to arrange the frequency of each output signal, the height launching antenna and direction etc. ginseng
Number, then, calculates each output signal the most respectively by propagation model (i.e. signal calculated propagate algorithm)
Whole distribution situation, eventually arrives at frequency during user terminal and field intensity including each output signal, thus obtains
Field intensity map, to realize the accurate simulation to actual application environment；According to propagation model, can be in cost
The preferred plan of network deployment is accurately obtained on the premise of less.
But under prior art, it is the most careful that the initial parameter of propagation model is arranged, and uses this type of propagation model
Carrying out network deployment can carry the arrangement cycle long, and later stage work amount is big and numerous and diverse, and network is easier to exist such as
Cover bad, speech quality is poor, call drop, network congestion, handover success rate, do not open some New function etc.
Etc. a series of.
Below in conjunction with the accompanying drawings the preferred embodiment of the present invention is described in detail.
In the present embodiment, it is proposed that a kind of distinguish different scenes according to different propagation model and create planning
Method with parameters optimization storehouse.Propagation is the foundation stone that the network planning optimizes, according to the propagation characteristic of wireless channel
Set up appropriate propagation model with radio wave propagation mode, exactly propagation loss is made prediction, be wireless network
Network planning and the essential condition optimized.Due to each different regions, its landforms difference is quite big, the ground of various places
Shape is ever-changing, and this just determines and must carry out model parameter configuration (also referred to as model for the environment of various places
Correction), as such, it is possible to obtain the propagation model of the accurate propagation characteristic that can reflect this region.?
When carrying out the network planning and optimize, can be according to different communication environments, by the propagation model after correction and scene
Propagation model in storehouse mates, and obtains planning and the parameters optimization of corresponding scene, carries out parameter configuration,
Thus significantly reduce planning and the workload optimized and revised, improve the work efficiency of plan optimization.
Refering to shown in Fig. 1, in the embodiment of the present invention, for different communication environments, can carry out various in advance
The division of scene, sets up scene library.
Particularly as follows: manager can according to concrete network deployment time the typical propagation environment that is likely encountered set up phase
The scene library answered, e.g., mountain region scene, Plain scene, suburb scene and City scenarios storehouse etc., refering to figure
Shown in 1, any one scene library may be respectively arranged with corresponding propagating mode for different propagation scenes
Type and one group of plan optimization parameter, also referred to as plan optimization parameter group, be called for short parameter group.Propagate scene pair for one
The plan optimization parameter group answered can comprise many kinds of parameters, and such as, transmitting power, frequency, scrambler, sky are high
Degree, antenna directional angle etc..In the present embodiment, any one is propagated scene and is provided with the propagating mode of correspondence
Type and be provided with corresponding plan optimization parameter group.
On the other hand, propagation model corresponding to any one scene all can use general propagation model to represent,
Such as, the model configuration parameter as shown in formula one specifically can be used to represent:
L=K1+K2*log10(d)+K3*log10(HTxeff)+K4*DL+K5*log10(d).*
Log10 (HTxeff)+K6*HRxeff+Kclutter*fclutter formula one
Wherein:
K1, represents the constant expense preset, and unit is (dB)；
K2, represents the multiplier factor of the log10 (d) preset, and d is the distance between transmitter and receiver,
Unit is (m)；
K3, represents the multiplier factor of the HTxeff preset, and HTxeff is to launch antenna equivalent altitude, unit
For (m)；
K4, represents the multiplier factor that the diffraction preset calculates；
DL, i.e. Diffraction loss, represents the loss produced by diffraction path；
K5, represents the multiplier factor of log10 (d) .*log10 (HTxeff) preset；
K6, represents the multiplier factor of the HRxeff preset, and HRxeff is the equivalent altitude of reception antenna,
Unit is (m)；
Kclutter fclutter, represents the multiplier factor preset, and fclutter represents the weighted average for atural object
Loss..
It is also preferred that the left model configuration parameter corresponding to any one propagation model is referred to the parameter shown in Fig. 2
Scope is configured, it is for instance possible to use mode as shown in table 1 configures:
Table 1
After scene library configures, i.e. can apply to the network deployment work of follow-up newly-built mobile communications network
In work, refering to shown in Fig. 3, in the embodiment of the present invention, in network deployment works, employing is pre-configured with
The detailed process that scene library carries out parameter configuration to propagation scene is as follows:
Step 300: when carrying out network deployment, sets up corresponding first for current propagation scene and propagates
Model (hereinafter referred to as propagation model 1).
Certainly after setting up propagation model 1, it is also possible to corresponding propagation model 1 arranges model configuration parameter, specifically
For: corresponding model configuration parameter can be directly set according to historical experience correspondence propagation model 1；Or,
The first propagation model can also be used to carry out drive test, and set based on the drive test data correspondence propagation model 1 obtained
Put corresponding model configuration parameter.
Meanwhile, during for propagation model 1, model configuration parameter is set, in addition it is also necessary to note configuration
The concrete value of parameters not can exceed that default span, such as, taking of each class model configuration parameter
If value scope then can need as in figure 2 it is shown, find beyond the model configuration parameter presetting span
Its value is modified.
Step 310: each with scene library for propagation model 1 propagation model is mated successively, and is determining
When there is a certain propagation model (the hereinafter referred to as propagation model 2) mated with propagation model 1 in scene library,
According to the plan optimization parameter group of propagation scene of the propagation model 2 correspondence propagation field to propagation model 1 correspondence
Scape carries out parameter configuration.
In actual application, if it is possible to determine that the scene library that current propagation environment is corresponding (e.g., is currently city
Environment), then in order to save the time shared by matching operation, can directly select in corresponding scene library
Propagation model mates, and e.g., current propagation environment is urban environment, then can directly select City scenarios
Each propagation model propagating scene corresponding in storehouse mates.And if not can determine that current propagation environment
Corresponding scene library, then in order to improve matching accuracy, can use the propagation model in multiple scene library to enter
Row coupling.
Further, when the matching operation carried out between propagation model, can adopt with the following method:
By path loss data corresponding for the path loss data propagation model each with scene library of propagation model 1 correspondence respectively
Compare；Judge that the path loss data of propagation model 1 correspondence and the path loss packet of propagation model 2 correspondence contain
Corresponding sampled point between difference less than set point (rule of thumb arrange) time, determine propagation model
1 and propagation model 2 the match is successful.
Such as, refering to shown in Fig. 4, after matched operation, model to be analyzed (is considered as propagation model 1)
The curve that corresponding curve is corresponding with scene one essentially coincides, and i.e. shows propagation model 1 and scene library Scene
The match is successful for the propagation model (being considered as propagation model 2) of one correspondence, then the latter can be used in scene
The former correspondence is propagated scene and is carried out the initial of plan optimization parameter by plan optimization parameter group corresponding in storehouse
Configuration.After configuration terminates, propagation model 1 now i.e. can be used to carry out network deployment.
On the other hand, if above-mentioned propagation model 1 and any one propagation model in all scene library the most not
Join, then explanation propagation model 1 is new propagation scene, then preserved extremely as new scene by propagation model 1
In scene library, in order to follow-up network deployment operating reference uses.
Based on above-described embodiment, refering to shown in Fig. 5, the overall flow being embodied as such scheme below is entered
Row is discussed in detail:
Step 500: according to different communication environments, carry out various propagation scene (hereinafter referred to as scene)
Divide, thus set up different scene library.
Step 501: be respectively directed to each scene and set up corresponding propagation model and the corresponding planning of configuration
Parameters optimization group.
Step 502: for the region of a New-deployed Network, sets up propagation model and (is still referred to as propagating mode below
Type 1) and be corrected, model configuration parameter is i.e. set.
Step 503: trigger propagation model coupling flow process, i.e. by the propagation model after correction in follow-up flow process
1 mates with each propagation model in scene library.
Step 504: select a scene in scene library.
Step 505: choose the propagation model that current scene is corresponding.
Step 506: judge whether the propagation model currently chosen mates with propagation model 1, the most then enter
Row step 507；Otherwise, step 508 is carried out.
Step 507: choose the plan optimization parameter group that the scene of current selection is corresponding is right to propagation model 1
The current propagation scene answered carries out the initial configuration of plan optimization parameter.
Step 508: judge whether to arrive last scene in scene library？Row step time the most then
509；Otherwise, step 504 is returned.
Step 509: using propagation model 1 as new scene, add in scene library.
Based on above-described embodiment, refering to shown in Fig. 6, in the embodiment of the present invention, it is used for carrying out propagation model excellent
Dispensing unit the 60, first processing unit 61 and the second processing unit 62 can be included in the device for planning changed,
Wherein,
Dispensing unit 60, is used for presetting multiple scene library, for respective propagation environment in each scene library
Under each class propagate scene be respectively provided with corresponding propagation model and plan optimization parameter group；
First processing unit 61, for when carrying out network deployment, sets up corresponding for current propagation scene
The first propagation model；
Second processing unit 62, for carrying out successively by each propagation model in the first propagation model and scene library
Join, and when there is, in determining scene library, the second propagation model mated with the first propagation model, according to second
The plan optimization parameter group that propagation scene that propagation model is corresponding is corresponding, the propagation corresponding to the first propagation model
Scene carries out parameter configuration.
In sum, in the embodiment of the present invention, multiple propagation scene is divided, thus is established not
Same scene library, in any one scene library, the corresponding propagation model of each scene and one group of planning are excellent
Change parameter, when carrying out network deployment, for the region of newly-built mobile communications network, can initially set up new
Propagation model, more newly-established propagation model is mated successively with the propagation model in scene library, and select
Take the plan optimization parameter group in the scene library corresponding to the propagation model that the match is successful, to newly-built propagation field
Scape carries out initial planning and parameters optimization configuration.Use this programme, default scene library can be used newly
The propagation model built carry out careful perfect, consider sufficient plan optimization parameter configuration, as such, it is possible to filling
Divide on the basis of utilizing network planning parameters optimization configuration experience, it is achieved the optimization of network performance, make initial
The network of arrangement reaches optimal operational condition with the shortest cycle, improves network deployment efficiency, beneficially industry
Developing rapidly of business, it is achieved the benign cycle that network and business performance to each other optimizes
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a propagation scene collocation method based on scene library, it is characterised in that including:
Preset multiple scene library, for each class propagation field under respective propagation environment in each scene library
Scape is respectively provided with corresponding propagation model and plan optimization parameter group；
When carrying out network deployment, set up corresponding first propagation model for current propagation scene；
According to corresponding described first propagation model of historical experience, corresponding model configuration parameter is directly set, or
Person, uses described first propagation model to carry out drive test, propagates based on the drive test data obtained corresponding described first
Model arranges corresponding model configuration parameter；
Each with scene library for described first propagation model propagation model is mated successively, and is determining scene
When storehouse exists the second propagation model mated with the first propagation model, according to the biography that the second propagation model is corresponding
The plan optimization parameter group broadcasting scene carries out parameter configuration to the transmitting scene that described first propagation model is corresponding；
When there is not the second propagation model mated with described first propagation model in determining scene library, by described
One propagation model preserves to scene library as new scene.
2. the method for claim 1, it is characterised in that setting for described first propagation model
When putting model configuration parameter, it is modified beyond the model configuration parameter presetting span.
3. method as claimed in claim 1 or 2, it is characterised in that will described first propagation model and
In scene library, each propagation model mates successively, and determines that in scene library, existence is mated with the first propagation model
The second propagation model, including:
By path loss corresponding for path loss data propagation model each with scene library corresponding for described first propagation model
Data compare respectively；
Judge that path loss data that the first propagation model the is corresponding path loss packet corresponding with the second propagation model contains
Corresponding sampled point between difference less than set point time, determine the first propagation model and the second propagating mode
The match is successful for type.
4. method as claimed in claim 3, it is characterised in that determining the first propagation model and second
The match is successful for propagation model, and according to the plan optimization parameter group pair of propagation scene corresponding to the second propagation model
After the transmitting scene that described first propagation model is corresponding carries out parameter configuration, the first propagation model is used to carry out net
Network arrangement.
5. a propagation scene configuration device based on scene library, it is characterised in that including:
Dispensing unit, is used for presetting multiple scene library, under respective propagation environment in each scene library
Each class propagate scene be respectively provided with corresponding propagation model and plan optimization parameter group；
First processing unit, for when carrying out network deployment, sets up corresponding for current propagation scene
First propagation model, and, according to corresponding described first propagation model of historical experience, corresponding mould is directly set
Type configuration parameter, or, use described first propagation model to carry out drive test, based on the drive test data pair obtained
Corresponding model configuration parameter should be set described first propagation model；
Second processing unit, for carrying out described first propagation model successively with each propagation model in scene library
Coupling, and when there is, in determining scene library, the second propagation model mated with the first propagation model, according to the
The biography that the plan optimization parameter group of the propagation scene that two propagation models are corresponding is corresponding to described first propagation model
Defeated scene configures；The second propagation mated with described first propagation model is there is not in determining scene library
During model, described first propagation model is preserved to scene library as new scene.
6. device as claimed in claim 5, it is characterised in that described first processing unit is at pin
When described first propagation model is arranged model configuration parameter, to beyond the model configuration ginseng presetting span
Number is modified.
7. the device as described in claim 5 or 6, it is characterised in that described second processing unit is by institute
State the first propagation model propagation model each with scene library to mate successively, and determine in scene library exist with
Second propagation model of the first propagation model coupling, including:
By path loss corresponding for path loss data propagation model each with scene library corresponding for described first propagation model
Data compare respectively；
Judge that path loss data that the first propagation model the is corresponding path loss packet corresponding with the second propagation model contains
Corresponding sampled point between difference less than set point time, determine the first propagation model and the second propagating mode
The match is successful for type.
8. device as claimed in claim 7, it is characterised in that described second processing unit is determining the
The match is successful for one propagation model and the second propagation model, and according to propagation scene corresponding to the second propagation model
After plan optimization parameter group carries out parameter configuration to the transmitting scene that described first propagation model is corresponding, use the
One propagation model carries out network deployment.
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| CN101060689A (en) * | 2007-05-17 | 2007-10-24 | 华为技术有限公司 | A method and equipment for planning the communication system network |
| CN101998419A (en) * | 2009-08-28 | 2011-03-30 | ***通信集团设计院有限公司 | Cell parameter configuration method and system |
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| CN101060689A (en) * | 2007-05-17 | 2007-10-24 | 华为技术有限公司 | A method and equipment for planning the communication system network |
| CN101998419A (en) * | 2009-08-28 | 2011-03-30 | ***通信集团设计院有限公司 | Cell parameter configuration method and system |
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