CN102083076A - Planning method and device of wireless network - Google Patents

Planning method and device of wireless network Download PDF

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Publication number
CN102083076A
CN102083076A CN2009102386405A CN200910238640A CN102083076A CN 102083076 A CN102083076 A CN 102083076A CN 2009102386405 A CN2009102386405 A CN 2009102386405A CN 200910238640 A CN200910238640 A CN 200910238640A CN 102083076 A CN102083076 A CN 102083076A
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scdma
network
gsm
business
service
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李志坚
张建辉
黄海
许汝鹏
李少斌
陆庆国
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China Mobile Group Guangdong Co Ltd
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China Mobile Group Guangdong Co Ltd
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Abstract

The invention provides a planning method and device of a wireless network, belonging to the field of mobile communications. The method comprises the following steps: acquiring gridding distribution of a global system for mobile communication (GSM) service and a time division-synchronization code division multiple access (TD-SCDMA) service in accordance with the proportion of the GSM service to the TD-SCDMA service; respectively emulating a GSM network and a TD-SCDMA network in accordance with the gridding distribution of the two services; and judging whether the service bearing of each of the two networks is balanced or not in accordance with an emulation result. According to the embodiment of the invention, the network construction cost can be reduced, and the efficiency and the accuracy of network planning are improved. The technical scheme of the embodiment in the invention can be widely applied to the planning field of the wireless network.

Description

A kind of wireless network planning method and device
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of wireless network planning method and device.
Background technology
In the prior art, global system for mobile communications (Global System for MobileCommunications, hereinafter to be referred as GSM) network and synchronous CDMA (Code Division Multiple Access) (TimeDivision-Synchronous Code Division Multiple Access of time-division, hereinafter to be referred as TD-SCDMA) network is and deposits, but when carrying out the network planning, two networks of relatively independent planning, do not consider two kinds of internetwork professional balanced and complementary processing, can not give full play to the ability of two nets, cause network construction cost higher.
Prior art needs the artificial selection website, inefficiency when carrying out system emulation when planning network; And with the sub-district is the unit analysis traffic, promptly the situation of being evenly distributed with traffic in the 500-2000 rice scope and data service is the fundamental analysis traffic, because traffic and data service distribute also inhomogeneous in the sub-district, therefore, be that unit of analysis can not careful reflection service distribution situation and user distribution and user behavior with the sub-district, make the planning accuracy low.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of wireless network planning method and device, can reduce network construction cost, improves the efficient and the accuracy of the network planning.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, the invention provides a kind of wireless network planning method, comprising:
The gridding of obtaining described two business according to the ratio of gsm service and TD-SCDMA business distributes;
Gridding distribution according to described two business is carried out emulation respectively to GSM network and TD-SCDMA network;
Whether the service bearer of judging described two networks according to simulation result is balanced.
Further, describedly judge that according to simulation result whether balanced the service bearer of described two networks also comprise after:, then adjust the ratio of described gsm service and TD-SCDMA business if the service bearer of described two networks is unbalanced; Otherwise the planning of GSM network and TD-SCDMA network is carried out in the gridding distribution according to described two business.
Further, the ratio of described gsm service of described adjustment and TD-SCDMA business comprises: determine alternative website more than according to existing site resource and geography information, go out the assessed value of each alternative website by the iteration simulation calculation;
From described alternative website, select one according to described assessed value and newly add website, and adjust the cell parameter of GSM network and TD-SCDMA network;
Utilize the coverage of self adaptation propagation model prediction adjusted GSM network of cell parameter and TD-SCDMA network, and the ratio of definite gsm service and TD-SCDMA business.
Further, the gridding of obtaining described two business of described ratio according to gsm service and TD-SCDMA business distributes and can comprise: obtain gridding service distribution figure;
Determine that according to described ratio and described gridding service distribution figure the gridding of described gsm service and TD-SCDMA business distributes.
Further, described gridding according to described two business distributes and GSM network and TD-SCDMA network are carried out emulation respectively can comprise: according to the gridding distribution and the number of users of described gsm service and TD-SCDMA business, utilize the Poisson distribution algorithm to draw the user distribution and the user behavior of gridding;
User distribution and user behavior according to described gridding carry out emulation respectively to described GSM network and TD-SCDMA network, wherein, the TD-SCDMA network is carried out estimated accuracy, smart antenna, joint-detection, user power control, user's adaptation rate, the adjustment sub-district access control that process of simulation comprises dynamic channel allocation implementation algorithm, terminal arrival direction.
On the other hand, the present invention also provides a kind of wireless network planning device, comprising:
Acquisition module is used for obtaining according to the ratio of gsm service and TD-SCDMA business the gridding distribution of described two business;
Emulation module, the gridding that is used for described two business obtained according to described acquisition module distributes GSM network and TD-SCDMA network is carried out emulation respectively;
Processing module is used for judging according to the simulation result that described emulation module obtains whether the service bearer of described two networks is balanced.
Further, described processing module can comprise: adjust submodule, be used to adjust the ratio of described gsm service and TD-SCDMA business;
The planning submodule, the gridding that is used for two business obtained according to described acquisition module distributes and carries out the planning of GSM network and TD-SCDMA network;
Control module is used for judging according to the simulation result that described emulation module obtains whether the service bearer of described two networks is balanced, if unbalanced, then controls the ratio that described adjustment submodule is adjusted described gsm service and TD-SCDMA business; Otherwise the gridding of controlling two business that described planning submodule obtains according to described acquisition module distributes and carries out the planning of GSM network and TD-SCDMA network.
Further, described device also comprises: setting module is used to set the initial proportion of gsm service and TD-SCDMA business.
The embodiment of the invention is carried out two nets from the two net equilibriums of GSM/TD-SCDMA and is merged planning when carrying out wireless network planning, can give full play to two network service bearing capacitys, saves network construction cost.Other embodiment of the present invention can analyze geography information automatically, choose alternative website, and alternative website is carried out emulation, obtain alternative website ordering, have improved operating efficiency and quality that the site is chosen.
The embodiment of the invention also based on gridding service distribution figure, obtains user distribution accurately, thereby realizes more high-precision emulation, improves the accuracy of the network planning.
Description of drawings
Fig. 1 is embodiment one flow chart of wireless network planning method of the present invention;
Fig. 2 is the example structure schematic diagram of wireless network planning device of the present invention;
Fig. 3 is embodiment two flow charts of wireless network planning method of the present invention.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 is embodiment one flow chart of wireless network planning method of the present invention, and as shown in Figure 1, present embodiment comprises:
Step 101, the gridding of obtaining above-mentioned two business according to the ratio of gsm service and TD-SCDMA business distribute;
Step 102, distribute according to the gridding of above-mentioned two business GSM network and TD-SCDMA network are carried out emulation respectively;
Step 103, judge that according to simulation result the service bearer of above-mentioned two networks is whether balanced.
If the service bearer of above-mentioned two networks is unbalanced, then adjust the ratio of gsm service and TD-SCDMA business after, return step 101; Otherwise the planning of GSM network and TD-SCDMA network is carried out in the gridding distribution according to above-mentioned two business.Present embodiment carries out the network planning from the two net equilibriums of GSM/TD-SCDMA when carrying out wireless network planning, can give full play to two network service bearing capacitys, saves network construction cost.
Fig. 2 is the example structure schematic diagram of wireless network planning device of the present invention, and as shown in Figure 2, present embodiment comprises:
Acquisition module 21 is used for obtaining according to the ratio of gsm service and TD-SCDMA business the gridding distribution of above-mentioned two business;
Emulation module 22, the gridding that is used for two business obtained according to acquisition module 21 distributes GSM network and TD-SCDMA network is carried out emulation respectively;
Processing module 23 is used for judging according to the simulation result that emulation module 22 obtains whether the service bearer of above-mentioned two networks is balanced.
Further, processing module 23 can comprise:
Adjust submodule 24, be used to adjust the ratio of gsm service and TD-SCDMA business;
Planning submodule 25, the gridding that is used for two business obtained according to acquisition module 21 distributes and carries out the planning of GSM network and TD-SCDMA network;
Control submodule 26 is used for judging according to the simulation result that emulation module 22 obtains whether the service bearer of above-mentioned two networks is balanced that if unbalanced, then the ratio that submodule 24 is adjusted gsm service and TD-SCDMA business is adjusted in control; Otherwise control planning submodule 25 carries out the planning of GSM network and TD-SCDMA network according to the gridding distribution of two business that acquisition module 21 obtains.
Further, adjusting submodule 24 can comprise:
Add unit 27, station, be used for determining alternative website more than, go out the assessed value of each alternative website, from described alternative website, select one according to described assessed value and newly add website by the iteration simulation calculation according to existing site resource and geography information; And/or
Adjustment unit 28 is used to adjust the cell parameter of GSM network and TD-SCDMA network, with the coverage of self adaptation adjusted GSM network of propagation model Prediction Parameters and TD-SCDMA network, and the ratio of definite gsm service and TD-SCDMA business.
Further, this wireless network planning device also comprises:
Setting module 29 is used to set the initial proportion of gsm service and TD-SCDMA business.
Present embodiment carries out two nets from the two net equilibriums of GSM/TD-SCDMA and merges planning when carrying out wireless network planning, can give full play to two network service bearing capacitys, saves network construction cost; And according to existing site resource of two nets and geography information, choose alternative website automatically, alternative website is carried out emulation obtain alternative website ordering, thereby determine newly to add website, improved operating efficiency and quality that the site is chosen.
Below wireless network planning method of the present invention is described in detail, Fig. 3 is embodiment two flow charts of wireless network planning method of the present invention, and as shown in Figure 3, present embodiment comprises:
The network technology parameter list of step 301, input GSM, actual measurement frequency sweep data and high accuracy map, by GSM high accuracy gridding mulched ground nomography Mathematical Modeling, output GSM/TD-SCDMA high accuracy gridding mulched ground chart database;
Use mode identification technology, use measured data differentially, more fully.By to the different separately section division methods in each sub-district (being antenna), can reflect the sub-district Different Effects of different terrain landforms on every side, and eliminate same sex problem in the same way; For the high more region of drive test density, section division density is big more, further improves precision of prediction; Simultaneously, penetrate the prediction of simplifying with reflecting effect, further consider the topography and geomorphology influence and eliminate same sex problem in the same way rich;
Step 302, the self adaptation propagation model is also imported GSM high accuracy gridding mulched ground nomography Mathematical Modeling simultaneously;
The self adaptation propagation model can take into full account the influence to radio wave propagation of geographic factor, reflection and diffraction, by the base station frequency sweep data correction model parameter of actual measurement, improves the field intensity prediction precision;
Step 303, input high accuracy gridding mulched ground chart database, the sub-district per hour with bursts of traffic, data traffic, data rate, measurement report data, number of users, by GSM high accuracy gridding traffic and data service map mathematic model, output GSM high accuracy gridding service distribution map data base;
Specifically may further comprise the steps:
A, network service district is equally divided into plurality of unit grids;
The measurement data of sub-district, traffic data, unit grids field strength distribution data and geography information are analyzed data in B, acquisition units time;
C, the measurement data with sub-district in the described unit interval, described unit grids field strength distribution data and described geography information analysis data are mated, give each unit grids described traffic data by the pro rate of coupling gained, draw the gridding traffic distribution map of unit interval.
D, data traffic are associated with traffic data, and according to data rate, obtain data service gridding distribution map, thereby obtain comprising the gridding service distribution figure of traffic and data service.
E, change next unit interval, repeating step B, C, D draw up to the gridding service distribution figure of all unit interval and to finish.
Can obtain high accuracy gridding service distribution figure by above-mentioned steps A～E;
Wherein, the technical scheme number of being applied of above-mentioned steps 301～303 is that the application of " 200810219426 " is disclosed, no longer above-mentioned steps is done further introduction at this;
Step 304, the GSM that receives input and TD-SCDMA estimate newly-increased number of users, traffic carrying capacity and distributed areas, and the two network service carrying of initial setting allocation strategy, i.e. initial setting GSM bearer service and the TD-SCDMA bearer service ratio in the planning zone;
The GSM bearer service that step 305, the high accuracy gridding service distribution map data base that obtains according to step 303 and step 304 are set and the ratio of TD-SCDMA bearer service, the gridding that obtains gsm service and TD-SCDMA business distributes;
Step 306, according to the gridding distribution and the number of users of gsm service and TD-SCDMA business, utilize " Poisson distribution algorithm " to obtain each grid, draw the user distribution and the user behavior of accurate gridding along with the time changes the situation of change that the user uses miscellaneous service;
Step 307, according to user distribution and user behavior that step 306 obtains, GSM network and TD-SCDMA network are carried out emulation, analyze the systematic function under different radio environment, system load and external interference at GSM network and TD-SCDMA network.Wherein TD-SCDMA network simulation process comprises that estimated accuracy, smart antenna, joint-detection, the user power of dynamic channel allocation implementation algorithm, terminal arrival direction (DOA) are controlled, user's adaptation rate is adjusted sub-district access control etc.The pattern of STATIC SIMULATION and dynamic simulation combination is adopted in emulation, reaches the purpose of overall performance evaluation and local careful accurate emulation;
Step 308, the simulation result that obtains according to step 307, whether analyze GSM network and TD-SCDMA Network carrying balanced;
Step 309, judge that whether GSM network and TD-SCDMA network reach performance requirements such as covering, capacity and quality, are then to turn to step 315, otherwise turn to step 310;
Step 310, judge whether to add the station, be then to turn to step 311, otherwise turn to step 313;
Automatically judging by the two net cell parameter adjustment of GSM/TD-SCDMA whether to satisfy covering, capacity and quality system performance requirement, is then to enter step 313 pair net cell parameter to adjust flow process, adds the station flow process otherwise enter;
Step 311, selection antenna type;
Do not reach performance requirements such as covering, capacity and quality such as the GSM network, then need to add the GSM website, just select the GSM antenna;
Step 312, planning regional extent in, based on the existing site resource of the two nets of GSM/TD-SCDMA, geography information is analyzed, find out the alternative website that several meet the addressing condition, carry out iteration system emulation at alternative site resource, calculate the optimum wireless parameter value of each alternative website and peripheral base station thereof, all alternative websites are assessed with this optimum wireless parameter value, arrange out the priority orders of alternative website, and select optimum alternative website as newly adding website;
Step 313, the two net cell parameters of GSM/TD-SCDMA are adjusted;
According to the parameter adjustment scope of setting the two net cell parameters of GSM/TD-SCDMA are adjusted, comprised parameters such as antenna height, antenna directional angle, Downtilt, base station transmitting power, frequency and carrier capacity;
Step 314, utilize the two net coverages of the adjusted GSM/TD-SCDMA of self adaptation propagation model prediction cell parameter;
Utilize the two net coverages of GSM/TD-SCDMA of prediction to adjust the balanced ratio of GSM/TD-SCDMA business afterwards, repeating step 305～314 can make GSM network and TD-SCDMA network reach performance requirement until the balanced ratio of GSM/TD-SCDMA business;
Step 315, distribute according to the gridding of gsm service and TD-SCDMA business, carry out GSM frequency and capacity planning, the planning of TD-SCDMARRM Radio Resource comprises the planning of frequency time slot, sign indicating number planning and cell parameter planning etc.;
Step 316, draw the two nets of GSM/TD-SCDMA and merge project reports, comprise two network service bearing capacity analyses of GSM/TD-SCDMA and balanced suggestion, optimize and revise scheme and add the station planning proposal, form can be figure and form.
Present embodiment is on the basis of GSM high accuracy gridding covering and professional map, according to the two network service bearing capacitys of GSM/TD-SCDMA, in conjunction with adding website automatically, balanced ratio of the two network services of GSM/TD-SCDMA and cell parameter value are carried out iteration emulation, to satisfy the two network capacity amounts of GSM/TD-SCDMA, covering, quality requirement, reach the two nets of GSM/TD-SCDMA and merge planning, reduced network construction cost.Present embodiment is in the selection area scope, based on the existing site resource of the two nets of GSM/TD-SCDMA, geography information is analyzed, Automatic sieve is selected the alternative website that meets the addressing condition, and alternative website carried out iteration system emulation, and finish assessment to alternative website, select newly to add website, compare with the existing mode that adds the station by manual reconnaissance, improved operating efficiency greatly.
Present embodiment carries out the network planning based on high accuracy gridding covering and traffic map, GSM/TD-SCDMA coverage prediction and service distribution computational accuracy have been improved, can obviously improve the static and dynamic simulation precision of the two nets of GSM/TD-SCDMA, realize that the two nets of GSM/TD-SCDMA merge high accuracy planning.
Described method embodiment is corresponding with described device embodiment, the description of relevant portion gets final product among the part comparable device embodiment that does not describe in detail in method embodiment, and the description of relevant portion gets final product among the part reference method embodiment that does not describe in detail in device embodiment.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise step as above-mentioned method embodiment, described storage medium, as: magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
In each method embodiment of the present invention; the sequence number of described each step can not be used to limit the sequencing of each step; for those of ordinary skills, under the prerequisite of not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. a wireless network planning method is characterized in that, comprising:
The gridding of obtaining described two business according to the ratio of gsm service and TD-SCDMA business distributes;
Gridding distribution according to described two business is carried out emulation respectively to GSM network and TD-SCDMA network;
Whether the service bearer of judging described two networks according to simulation result is balanced.
2. wireless network planning method according to claim 1 is characterized in that, describedly judges that according to simulation result whether balanced the service bearer of described two networks also comprise after:
If the service bearer of described two networks is unbalanced, then adjust the ratio of described gsm service and TD-SCDMA business; Otherwise the planning of GSM network and TD-SCDMA network is carried out in the gridding distribution according to described two business.
3. wireless network planning method according to claim 2 is characterized in that, the ratio of described gsm service of described adjustment and TD-SCDMA business comprises:
Determine alternative website more than according to existing site resource and geography information, go out the assessed value of each alternative website by the iteration simulation calculation;
From described alternative website, select one according to described assessed value and newly add website, and adjust the cell parameter of GSM network and TD-SCDMA network;
Utilize the coverage of self adaptation propagation model prediction adjusted GSM network of cell parameter and TD-SCDMA network, and the ratio of definite gsm service and TD-SCDMA business.
4. wireless network planning method according to claim 2 is characterized in that, the ratio of described gsm service of described adjustment and TD-SCDMA business comprises:
Adjust the cell parameter of GSM network and TD-SCDMA network;
Utilize the coverage of self adaptation propagation model prediction adjusted GSM network of cell parameter and TD-SCDMA network, and the ratio of definite gsm service and TD-SCDMA business.
5. wireless network planning method according to claim 1 is characterized in that, the gridding distribution that described ratio according to gsm service and TD-SCDMA business is obtained described two business also comprises before:
Set the initial proportion of gsm service and TD-SCDMA business.
6. the described wireless network planning method of claim 1 is characterized in that, the gridding distribution that described ratio according to gsm service and TD-SCDMA business is obtained described two business comprises:
Obtain gridding service distribution figure;
Determine that according to described ratio and described gridding service distribution figure the gridding of described gsm service and TD-SCDMA business distributes.
7. according to each described wireless network planning method among the claim 1-6, it is characterized in that described gridding according to described two business distributes and GSM network and TD-SCDMA network are carried out emulation respectively comprises:
According to the gridding distribution and the number of users of described gsm service and TD-SCDMA business, utilize the Poisson distribution algorithm to draw the user distribution and the user behavior of gridding;
User distribution and user behavior according to described gridding carry out emulation respectively to described GSM network and TD-SCDMA network, wherein, the TD-SCDMA network is carried out estimated accuracy, smart antenna, joint-detection, user power control, the user's adaptation rate adjustment sub-district access control that process of simulation comprises dynamic channel allocation implementation algorithm, terminal arrival direction.
8. a wireless network planning device is characterized in that, comprising:
Acquisition module is used for obtaining according to the ratio of gsm service and TD-SCDMA business the gridding distribution of described two business;
Emulation module, the gridding that is used for described two business obtained according to described acquisition module distributes GSM network and TD-SCDMA network is carried out emulation respectively;
Processing module is used for judging according to the simulation result that described emulation module obtains whether the service bearer of described two networks is balanced.
9. wireless network planning device according to claim 8 is characterized in that, described processing module further comprises:
Adjust submodule, be used to adjust the ratio of described gsm service and TD-SCDMA business;
The planning submodule, the gridding that is used for two business obtained according to described acquisition module distributes and carries out the planning of GSM network and TD-SCDMA network;
The control submodule is used for judging according to the simulation result that described emulation module obtains whether the service bearer of described two networks is balanced, if unbalanced, then controls the ratio that described adjustment submodule is adjusted described gsm service and TD-SCDMA business; Otherwise the gridding of controlling two business that described planning submodule obtains according to described acquisition module distributes and carries out the planning of GSM network and TD-SCDMA network.
10. wireless network planning device according to claim 8 is characterized in that, described device also comprises:
Setting module is used to set the initial proportion of gsm service and TD-SCDMA business.
CN2009102386405A 2009-11-30 2009-11-30 Planning method and device of wireless network Pending CN102083076A (en)

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CN107347188A (en) * 2017-06-19 2017-11-14 国网浙江省电力公司嘉兴供电公司 A kind of network stations prime selected site method based on TD LTE230 networks
CN107347188B (en) * 2017-06-19 2020-09-11 国网浙江省电力公司嘉兴供电公司 TD-LTE230 network-based power grid base station initial site selection method
CN110019590A (en) * 2017-09-13 2019-07-16 北京嘀嘀无限科技发展有限公司 Method, apparatus, electronic equipment and the storage medium of map are shown in the page
CN110019590B (en) * 2017-09-13 2021-10-12 北京嘀嘀无限科技发展有限公司 Method and device for displaying map in page, electronic equipment and storage medium

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Application publication date: 20110601