CN101742527B - Method for realizing visualization of coverage area of downlink signals in planning and optimization of wireless network - Google Patents
Method for realizing visualization of coverage area of downlink signals in planning and optimization of wireless network Download PDFInfo
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- CN101742527B CN101742527B CN200910273328A CN200910273328A CN101742527B CN 101742527 B CN101742527 B CN 101742527B CN 200910273328 A CN200910273328 A CN 200910273328A CN 200910273328 A CN200910273328 A CN 200910273328A CN 101742527 B CN101742527 B CN 101742527B
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Abstract
The invention discloses a method for realizing visualization of the coverage area of downlink signals in planning and optimization of a wireless network, and relates to the field of planning and optimization of the mobile communication network and the field of a geographic information system (GIS). The method comprises the steps of (1) firstly determining the maximum coverage area of the signals according to a propagation model and parameters of a base station; (2) calculating the level strength of the signals received at each detail point in the area; and (3) setting the corresponding color for each type of the signal strength and displaying on an electronic map. The method optimizes the calculation and the representation of the signal strength, thereby improving the execution speed of the system and reducing the occupied memory space.
Description
Technical field
The present invention relates to mobile communication network planning and optimization field and GIS-Geographic Information System (GIS) field, the visualization of coverage area of downlink signals implementation method in relating in particular to a kind of wireless network planning and optimizing.
Background technology
Along with the development of mobile communication, the competition more and more fierce between each operator, product quality is increasingly sharpened to the influence of enterprise competitiveness.For operator, communication network is exactly their product.How improving network service quality is the problem that the present and the future of each operator wants emphasis to solve, and wherein coverage is the importance of service quality.In order better network to be planned and to be analyzed; The network planning and optimization system all requires can carry out graphical display and visual analyzing to the wireless signal coverage now; Through combining with the GIS technology; Wireless signal coverage and level intensity can show on the electronic chart through shades of colour, thereby let the network planning and optimization personnel analyze the most intuitively.Cover signal and be divided into two kinds of upward signal and downstream signals again, wherein the signal by base station is a downstream signal.
The levels of precision that the covering signal level is represented is relevant with the precision of electronic chart, and the electronic chart precision is high more, and the accuracy that the covering signal level is represented is high more, needs the culture point of counting statistics just many more simultaneously.Corresponding color value is calculated and preserved to traditional method to each culture point, and the speed that so just causes calculating is very slow, and the speed of service of system is not fully up to expectations.
Summary of the invention
The objective of the invention is in order to overcome the problem and shortage of above-mentioned existence; Visualization of coverage area of downlink signals implementation method in a kind of wireless planning being provided and having optimized, this method provide a kind of solution of calculating comparatively fast and representing base station down covering signal.
Concrete implementation method of the present invention is following:
(1) confirms that according to propagation model and base station parameter signal covers maximum magnitude;
(2) calculate the signal level intensity that each culture point receives in this scope;
(3) set corresponding color for each signal strength signal intensity and be presented on the electronic chart.
Operation principle of the present invention is:
When the signal level intensity that calculating culture point place receives; The signal strength signal intensity that receives with each interior culture point place in maximum propagation distance on the horizontal direction of living in of earlier definite base station; The signal strength signal intensity at direction culture point place (not considering the atural object loss) to the north of the calculation base station then; Then according to the symmetry of circle, this on the south base station the respective point atural object place signal strength signal intensity of direction also just can confirm, consider that the atural object loss is exactly every signal level intensity of locating actual ability reception.
The signal strength signal intensity of calculating through propagation model is not that a ten minutes is worth accurately, therefore carrying out signal strength signal intensity when visual, always the signal in certain strength range is represented with a kind of color.Every kind of color expression in computer needs at least three bytes of memory spaces; Number of ranges according to the reality use; Set up a color table, a kind of color of each correspondence in the table, then each some atural object only need use a byte to write down the entry address in the color table; Just can find corresponding color according to this entry address during demonstration, greatly minimizing system takies the memory size of computer by this method.
The present invention has advantage and good effect:
1, the calculating and the expression of signal strength signal intensity are all optimized, improved system's execution speed and reduce the memory headroom that takies.
2, be applicable to mobile communication network planning and optimizing process, can reduce employed computer configuration in this process, thereby reach the purpose that reduces cost.
Description of drawings
Fig. 1 is an embodiment of the invention flow chart.
Embodiment
Like Fig. 1, workflow of the present invention is following:
1st, confirm each parameter 1 of propagation model and base station;
Confirm parameters such as signal of base station propagation model and antenna height, tranmitting frequency.
The first, commencing signal intensity is calculated A
2nd, confirm signal maximum propagation distance 2;
Use propagation model can confirm the maximum propagation distance of base station signal through these parameters;
3rd, the signal level intensity 3 of interior each culture point of maximum propagation distance on the same latitude line of calculation base station;
Use propagation model to calculate more easily according to each culture point to the distance of base station.
The signal level intensity 4 of each culture point when 4th, not considering the atural object decay to the north of the calculation base station in the direction maximum propagation distance;
The signal strength signal intensity at direction culture point place to the north of the calculation base station is not considered earlier the atural object loss this moment, from propagation distance begin northernmost calculate, calculate the signal strength signal intensity at a some place at every turn.
5th,, confirm the signal level intensity 5 of each culture point of direction on the south the base station according to symmetry;
According to the symmetry of circle, the respective point atural object place signal strength signal intensity of direction also is worth for this on the south the base station, with the signal strength signal intensity at these two the some places actual signal intensity that to deduct this loss of signal value of putting corresponding atural object respectively be exactly these two some places.Ask logarithm etc. extremely to expend the complex calculation of computer system time owing to all include in the propagation model formula, adopt this method, can reduce almost half amount of calculation, greatly improved the operational efficiency of system.
6th, for increasing loss of signal, each culture point influences 6;
This loss value can be from obtaining the graphic data accordingly.
7th, record is higher than the signal 7 of threshold level
The second, beginning visualization processing B
8th, set up color index table 8;
After the signal strength signal intensity of confirming each culture point place, set up the color index table.
9th, according to signal strength signal intensity color index 9 is set for each culture point;
Find corresponding color according to the residing scope of each some place signal strength values, write down the entry address of this color in color table.
10th, the Figure 10 electronically that is added to;
After having confirmed the color of all culture points, the array of preserving these entry addresses is passed to the GIS processing unit, the GIS processing unit according to the entry address with the color showing of correspondence in the map on the corresponding position.The big or higher map of accuracy makes minimizing system greatly in this way take the memory size of computer for scope.
11st, accomplish visualization processing 11.
Claims (1)
- A wireless network planning with optimize in the visualization of coverage area of downlink signals implementation method,(1) confirms that according to propagation model and base station parameter signal covers maximum magnitude;(2) calculate the signal level intensity that each culture point receives in this scope;(3) set corresponding color for each signal strength signal intensity and be presented on the electronic chart;It is characterized in that workflow is following:1st, confirm each parameter of propagation model and base station (1);One, commencing signal intensity is calculated (A)2nd, confirm signal maximum propagation distance (2);3rd, the signal level intensity (3) of interior each culture point of maximum propagation distance on the calculation base station same latitude line of living in;The signal level intensity (4) of each culture point when 4th, not considering the atural object loss in the direction maximum propagation distance to the north of the calculation base station;5th,, confirm the signal level intensity (5) of each culture point of south, base station according to symmetry;6th, increase loss of signal influence (6) for each culture point;7th, record is higher than the signal (7) of threshold level;Two, beginning visualization processing (B)8th, set up color index table (8);9th, according to signal strength signal intensity color index (9) is set for each culture point;10th, the electronic chart (10) that is added to;11st, accomplish visualization processing (11).
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| CN200910273328A CN101742527B (en) | 2009-12-18 | 2009-12-18 | Method for realizing visualization of coverage area of downlink signals in planning and optimization of wireless network |
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| CN200910273328A CN101742527B (en) | 2009-12-18 | 2009-12-18 | Method for realizing visualization of coverage area of downlink signals in planning and optimization of wireless network |
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| CN101742527B true CN101742527B (en) | 2012-09-19 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951611B (en) * | 2010-08-13 | 2013-05-22 | 武汉虹信通信技术有限责任公司 | Method for superimposing coverage effect in wireless network planning and satellite map |
| CN102186180A (en) * | 2011-02-18 | 2011-09-14 | 中兴通讯股份有限公司 | Visualized method, visualized device and visualized system for indoor testing data |
| CN102595445B (en) * | 2012-02-13 | 2015-08-12 | 上海交通大学 | In conjunction with the GSM-R network communication quality testing system of GIS |
| CN103856958A (en) * | 2012-12-05 | 2014-06-11 | 中国电信股份有限公司 | Wireless network operation information map making method and system, and client side |
| CN103364635B (en) * | 2013-08-09 | 2015-11-25 | 成都瀚德科技有限公司 | Frequency spectrum mapping system and its implementation |
| CN106971416B (en) * | 2017-03-10 | 2021-04-30 | 广州杰赛科技股份有限公司 | Wireless communication network signal display method and device |
| CN109451526A (en) * | 2018-12-14 | 2019-03-08 | 迈普通信技术股份有限公司 | A kind of wireless network method for visualizing and device |
| CN113038491A (en) * | 2019-12-09 | 2021-06-25 | 上海大唐移动通信设备有限公司 | Processing method and device for displaying signal coverage information and electronic equipment |
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