CN107172623A - A kind of TD LTE230 wireless private networks frequency resource planing method - Google Patents
A kind of TD LTE230 wireless private networks frequency resource planing method Download PDFInfo
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- CN107172623A CN107172623A CN201710405672.4A CN201710405672A CN107172623A CN 107172623 A CN107172623 A CN 107172623A CN 201710405672 A CN201710405672 A CN 201710405672A CN 107172623 A CN107172623 A CN 107172623A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/04—Traffic adaptive resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/30—Special cell shapes, e.g. doughnuts or ring cells
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of TD LTE230 wireless private networks frequency resource planing method, including：Step 1, the terminal total amount of target area different service types is obtained, k is usedijRepresent, i=1,2 ..., n, i represents type of service number, j=1, and 2, j=1 represent existing business number, and j=2 represents planning business number；Step 2, by the terminal total amount k of the different service typesijSector number m according to being covered is evenly distributed, number of terminals h of the statistics per the every kind of business in sectorij, hij=kij/m；Step 3, demand K of each sector different business to radio frequency resources is calculatedij；Step 4, it is that each sector different business carries out frequency point allocation cij；Step 5, the frequency number C needed for each all business in sector is calculated；Step 6, TD LTE230 wireless private networks frequency resource sum H needed for target area is calculated.
Description
Technical field
The present invention relates to field of wireless, more particularly to a kind of TD-LTE230 wireless private networks frequency resource planing method.
Background technology
The features such as wireless private networks of TD-LTE 230 have wide covering, transmission rate height, real-time and frequency spectrum strong adaptability, be
The technical way of terminal communication access network.State Radio Regulatory Commission printed and distributed in 1991《It is civilian super on printing and distributing
Shortwave remote measurement, remote control, the notice of data transmission service frequency range planning》(state without pipe [1991] 5), file regulation is by 223.025
~235.000MHz, amounts to the frequency range that 12MHz is used as business such as remote measurement, remote control, data transfers.In addition, with intelligent electricity
The development of net, especially big data, cloud computing, Internet of Things, mobile service power industry progressively application, power business and
Terminal type is more enriched, and also the demand to communication access net can be improved constantly.The wireless private network resources of TD-LTE 230 are very dilute
Lack, therefore the resource requirement between carrying out the reasonable distribution of limited frequency resource for balancing each business, it is ensured that each business it is suitable
Profit is carried out extremely important.
China Patent Publication No. CN102256256, publication date on November 23rd, 2011, a kind of entitled frequency of innovation and creation
Rate and scrambling planning method, this method include：Obtain the net-work parameter information and frequency sweep data in planning region；According to described
Net-work parameter information and frequency sweep data build interference matrix, and the interference matrix includes co-channel interference matrix and scrambler is related
Property matrix；It is each small allocating frequency in planning region according to the co-channel interference matrix, according to the scrambler correlation
Matrix is each cell distribution scrambler in planning region.Its fail when being disadvantageous in that as different districts dividing frequency to
Amount amount and particular condition in use do careful statistics and division, it is impossible to obtain demand data of the user to frequency resource, thus
The frequency planning made is often and actual conditions have larger deviation.
The content of the invention
It is an object of the invention to carry out the reasonable distribution of limited frequency resource, the resource requirement between each business is balanced,
There is provided a kind of TD-LTE230 wireless private networks frequency resource planing method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of TD-LTE230 wireless private networks frequency resource
Planing method, including：
Step 1, the terminal total amount of target area different service types is obtained, k is usedijRepresent, i=1,2 ..., n, i represents industry
Service type number, j=1,2, j=1 represent existing business number, and j=2 represents planning business number；
Step 2, by the terminal total amount k of the different service typesijSector number m according to being covered is evenly distributed,
Number of terminals h of the statistics per the every kind of business in sectorij, hij=kij/m；
Step 3, demand K of each sector different business to radio frequency resources is calculatedij；
Step 4, it is that each sector different business carries out frequency point allocation cij；
Step 5, the frequency number C needed for each all business in sector is calculated；
Step 6, TD-LTE230 wireless private networks frequency resource sum H needed for target area is calculated.
In the present invention, the planning of wireless private network frequency resource, which had both included existing equipment terminal-pair wireless private network frequency resource, to be needed
Ask, also including increasing the wireless private network frequency resource demand needed for the obtained distant view plan of operation of prediction model according to business.
Preferably, the step 3, demand K of each sector different business to radio frequency resourcesij, Kij=hij*pi*
qi, wherein piRepresent the single-point traffic rate demand of different service types, qiRepresent coefficient of coincidence of the different business with the period.
In the present invention, piObtain before this to former years public network different business single-point communicate traffic demand count,
The high reliability and controllability that private network is taken into account on the basis of this are drawn.
Preferably, the step 4, the frequency number of every kind of traffic assignments
Preferably, the step 5, required frequency number
Preferably, the step 6, required TD-LTE230 wireless private networks frequency resource sum H=C* frequency granularity * m.
Preferably, the coefficient of coincidence qiSampled and obtained according to service conditions.
In the present invention, coefficient of coincidence qiThe size of interference effect is represented, if coefficient of coincidence is between 0-1, illustrates to deposit
In positive interference；If coefficient of coincidence=1, illustrate not interfere between two single-swaps, be completely independent；If coefficient of coincidence=
0, then illustrate to there occurs complete interference, two gene close linkages, if coefficient of coincidence>1, then illustrate to there occurs negative interference：One
Exchange adds another probability for exchanging and occurring.During average number of concurrent=total number of users * user online hours/total working
Between, peak value number of concurrent=average number of concurrent+3* (average number of concurrent ^1/2).Q is selected for the demand planning of wireless frequencyi=peak
It is worth number of concurrent, because the scarcity of Wireless network frequency, once occurring inadequate resource, is often produced for user terminal tighter
The use obstacle of weight, so when planning, with qiThe coefficient of coincidence considered when=peak value number of concurrent is as planning.
Preferably, the TD-LTE230 wireless private networks use many sector identical networking patterns, interference is opened at adjacent area edge
Coordination function.
In the present invention, identical networking pattern is exactly that in the cell divided, unification uses identical carrier frequency, this
Networking mode, is particularly suitable for operator's frequency spectrum resource anxiety, the relatively wide situation of communication bandwidth.In TD-LTE networkings
In, such as availability of frequency spectrum highest with the obvious advantage using identical networking saves frequency resource, TD- can be played to the full extent
The high advantage of the LTE system availability of frequency spectrum, saves operator frequency resource disbursement.At the same time, in network design, build
If, dilatation when frequency planning it is very simple, be a kind of networking mode of economical and efficient.Inter-Cell Interference Coordination function be it is a kind of from
The method for fundamentally solving inter-sector interference, the use scope for recommending interference coordination technique is load 30%-70%.Interference coordination
Basic thought be minizone according to certain rules and methods, coordinate the scheduling and distribution of resource, to reduce inter-cell interference.
In the way of coordination, interference coordination can be divided into static interference coordination, coordinating semi-static interference and dynamic interference coordination.Interference
Coordination can be carried out from frequency domain, time domain, spatial domain and power, avoid and reduce as far as possible the co-channel interference of minizone.
Preferably, the business of target area is divided into F classes, TD-LTE230 wireless private network frequency resources are divided into f frequency
Rate group, the f-scope corresponds to f group of frequencies respectively, realizes the security protection isolation between different service types.
In the present invention, this pattern is precisely controlled for the wireless frequencies of different power businesses, facilitate resource management and
The most optimum distribution of resources of emphasis business.
The substantial effect of the present invention：A kind of TD-LTE230 wireless private networks frequency resource planing method is proposed, is solved
The reasonable distribution of limited TD-LTE230 wireless private network frequency resources, to meet the actual demand of different service types, is fully examined
Existing business and perspective long-term plan are considered, have been that corresponding frequency resource has been reserved in the extension of future services, in addition, for different electric power
The wireless frequency of business realizes and is precisely controlled that the frequency pool monopolized for every class business configuration facilitates resource management and emphasis industry
The most optimum distribution of resources of business.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of TD-LTE230 wireless private networks frequency resource planing method of the present invention；
Fig. 2 is a kind of frequency management pattern of the invention.
Embodiment
Below by taking Jiaxing City sea salt area as an example, and with reference to accompanying drawing, technical scheme is made further specifically
It is bright.
The present invention provides a kind of TD-LTE230 wireless private networks frequency resource planing method, step flow such as Fig. 1 of this method
It is shown：
Step 1, the terminal total amount of target area different service types is obtained, k is usedijRepresent, i=1,2 ..., n, i represents industry
Service type number, j=1,2, j=1 represent existing business number, and j=2 represents planning business number；
In this step, the power business application that the wireless private networks of TD-LTE 230 can be carried has power information collection, distribution transforming
Monitoring, spatial load forecasting, power distribution automation, fault detector, emergency first-aid repair business, single table are directly adopted, distributed photovoltaic power, electronic
The power system full-service such as automobile charging pile.The total number of terminals of different service types is counted, k is usedijRepresent.
Step 2, by the terminal total amount k of the different service typesijSector number m according to being covered is evenly distributed,
Number of terminals h of the statistics per the every kind of business in sectorij, hij=kij/m；
Step 3, demand K of each sector different business to radio frequency resources is calculatedij, Kij=hij*pi*qi, wherein pi
Represent the single-point traffic rate demand of different service types, qiRepresent coefficient of coincidence of the different business with the period；For not of the same trade or business
Business, qi=(total number of users * user online hours/net cycle time)+3* is ((during total number of users * user online hours/total working
Between) ^1/2).
Step 4, it is that each sector different business carries out frequency point allocation cij；
Step 5, the frequency number C needed for each all business in sector is calculated；
Step 6, TD-LTE230 wireless private networks frequency resource sum H needed for target area is calculated.
The wireless frequency demand of existing business terminal type is as shown in table 1：
The wireless frequency demand of table 1
The total data throughput rate demand in each sector is about 2378kbps as seen from the above table, and wireless frequency demand is about
2.97MHz。
Frequency planning is the business model for given area, the business throughput of single sector is calculated, further according to business
The wireless frequency bandwidth that the every kind of business of throughput calculation needs, and carry out the configuration of corresponding frequencies bandwidth.
According to demand of the above-mentioned business to wireless frequency, and consider that actual frequency is assigned as 25KHz granularities, planning and configuration
Wireless frequency
As shown in table 2：
| Business Name | Access service number | Configure frequency number (N*25kHz) |
| Power information is gathered | 4405 | 5 |
| Distribution transformer monitoring | 1853 | 67 |
| Spatial load forecasting | 5 | 1 |
| Fault detector | 15 | 1 |
| Power distribution automation | 0 | 0 |
| Emergency first-aid repair business (voice) | 10 | 8 |
| Emergency first-aid repair business (video) | 1 | 40 |
| Single table is directly adopted | 98 | 1 |
| Distributed power source (photovoltaic) | 14 | 1 |
| Electric automobile charging pile | 1 | 1 |
| Amount to | 125(3.125MHz) |
All kinds of business frequencies of table 2 are planned
With the development of intelligent grid, especially big data, cloud computing, Internet of Things, mobile service power industry by
Step application, power business and terminal type are more enriched, and also the demand to communication access net can be improved constantly.Calculate each fan
(following table is only a kind of allocation models, in practice all kinds of ends for the data throughput capabilities in area and potential service bearer ability such as following table
End business shares wireless frequency bandwidth, and quantity can change)：
The wireless frequency planning horizon of table 3
Increasing prediction model calculating according to business needs 5.15MHz wireless frequencies.Consider model error proposed arrangement 6MHz.
According to the planning of above-mentioned business model, 240 frequencies (about 6MHz) are distributed in each sector can support distant view business.
TD-LTE230 wireless private networks frequency resource sum is 9MHZ needed for target area, it can thus be concluded that to TD-LTE private networks
223.025~235.000MHz frequency ranges, wherein 3MHZ are used for existing business, and 6MHz is to support distant view business, remaining frequency
Resource is needed to propose extension application as reserved band by different industries according to the business of oneself.
Consider the scarcity of 230MHz frequencies, the multiple sector identical networking planning of prioritizing selection, and emphasis adjacent area is intersected
Open interference coordination function in region.
In view of the security of business, the frequency pool monopolized for every class business configuration, as shown in Fig. 2 by wireless frequency
Three frequency pools are divided into, production control zone business (power distribution automation) uses No. 1 frequency pool；Communication power is applied, meets an urgent need and lead to
Letter, fault detector, meet the management information area business such as control, distribution transforming detection and power information collection and use No. 2 frequency pools
Resource；The social responsibility business such as Street lamps control, automobile charging pile, distributed power source is enjoyed using No. 3 frequency Pooled resources.It is achieved in
It is precisely controlled for the wireless frequency of different power businesses, facilitates resource management and the most optimum distribution of resources of emphasis business.
Embodiment described above is a kind of preferably scheme of the present invention, not makees any formal limit to the present invention
System, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (8)
1. a kind of TD-LTE230 wireless private networks frequency resource planing method, it is characterised in that including：
Step 1, the terminal total amount of target area different service types is obtained, k is usedijRepresent, i=1,2 ..., n, represent service class
Type number；J=1,2, j=1 represent existing business number, and j=2 represents planning business number；
Step 2, by the terminal total amount k of the different service typesijSector number m according to being covered is evenly distributed, statistics
Per the number of terminals h of the every kind of business in sectorij, hij=kij/mqi；
Step 3, demand K of each sector different business to radio frequency resources is calculatedij；
Step 4, it is that each sector different business carries out frequency point allocation cij；
Step 5, the frequency number C needed for each all business in sector is calculated；
Step 6, TD-LTE230 wireless private networks frequency resource sum H needed for target area is calculated.
2. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 1, it is characterised in that institute
State the demand K of step 3, each sector different business to radio frequency resourcesij,
Kij=hij*pi*qi, wherein piRepresent the single-point traffic rate demand number of different service types, qiRepresent different business simultaneously
The coefficient of coincidence of section.
3. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 2, it is characterised in that institute
State step 4, the frequency number of every kind of traffic assignments
4. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 3, it is characterised in that institute
State step 5, required frequency number
5. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 4, it is characterised in that institute
State step 6, required TD-LTE230 wireless private networks frequency resource sum H=C* frequency granularity * m.
6. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 2, it is characterised in that institute
State coefficient of coincidence qiSampled and obtained according to service conditions.
7. a kind of TD-LTE230 wireless private networks frequency resource planing method according to claim 1, it is characterised in that institute
TD-LTE230 wireless private networks are stated using many sector identical networking patterns, interference coordination function is opened at adjacent area edge.
8. any TD-LTE230 wireless private networks frequency resource planing method according to claim 1-8, its feature exists
In the business of target area is divided into F classes, TD-LTE230 wireless private network frequency resources are divided into f group of frequencies, the F classes industry
Business corresponds to f group of frequencies respectively, realizes the security protection isolation between different service types.
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Cited By (5)
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| CN109600753A (en) * | 2019-01-02 | 2019-04-09 | 中国科学院上海微系统与信息技术研究所 | A kind of electric power private wireless network system frequency resource planing method |
| CN111405583A (en) * | 2019-01-02 | 2020-07-10 | 中国移动通信有限公司研究院 | Tidal effect avoiding method and device and computer readable storage medium |
| CN111405570A (en) * | 2018-12-14 | 2020-07-10 | 中国移动通信集团河南有限公司 | Network resource allocation method and device |
| CN111818577A (en) * | 2020-07-30 | 2020-10-23 | 中国联合网络通信集团有限公司 | User access method and access network equipment |
| CN112584504A (en) * | 2019-09-30 | 2021-03-30 | 普天信息技术有限公司 | Spectrum resource balancing method and device applied to power private network |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405570A (en) * | 2018-12-14 | 2020-07-10 | 中国移动通信集团河南有限公司 | Network resource allocation method and device |
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| CN111405583A (en) * | 2019-01-02 | 2020-07-10 | 中国移动通信有限公司研究院 | Tidal effect avoiding method and device and computer readable storage medium |
| CN112584504A (en) * | 2019-09-30 | 2021-03-30 | 普天信息技术有限公司 | Spectrum resource balancing method and device applied to power private network |
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