CN110418350B - Shared station address evaluation method and system - Google Patents
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Abstract
The invention provides a shared station address evaluation method and a system, wherein the method comprises the following steps: acquiring candidate station address information of a required station address; calculating the coverage distance of the required site according to the network topology, and generating a central area and an edge area of the required site; and evaluating the scores of the candidate station sites according to the signal quality indexes of different areas. The method and the system have simple steps and convenient calculation, and can select the proper station address which can be used for old according to more real network data.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a shared site evaluation method and system.
Background
Infrastructure site sharing is a common measure in the international market that promotes widespread coverage of mobile networks. At present, chinese iron towers are receiving the new building requirements of 4G networks of three operators in China, and deeply promoting the co-building and sharing work, and reducing the construction cost of mobile communication infrastructure. In the process of building the station site, the iron tower company preferentially reforms and utilizes the existing huge station site resources, can share the station site resources without building, and the station site sharing rate generally reaches more than 70%. Therefore, sharing and integration are used as an important means in the construction of site planning, and how to quickly generate site recommendations according to actual current network scenes is more and more urgent in sharing planning.
After the station address planning result is generated, most of the required station addresses have the candidate station addresses capable of being used for storing, and only a few of the required station addresses need to be newly built on the original station addresses. Under the condition of available old stock site, the traditional shared site selection mode is generally used as one of important evaluations of site availability from large to small according to the priority order through the priority importance of a planning result, and the evaluation dimension is comprehensively considered by mainly referring to factors such as network topology, simulation coverage, site importance degree and the like. Meanwhile, before actual construction, site survey is still needed, but basically, according to the factors of coverage simulation, based on the prediction situation, simulation is pushed, and the site with better inter-site distance is taken as a candidate old-utilizing site.
In practice, whether the candidate site is a good-for-life target of the demanded site should be focused mainly on the actual coverage and interference effect of the candidate site signal quality around the demanded site in the actual network. Therefore, the actual coverage condition of a plurality of candidate sites in the range of the required site can be reflected better. And determining the priority of the candidate station address according to the measured signal quality. In a traditional sharing mode, reference for determining whether a candidate station address is worn out or not mainly depends on planning, and the candidate station address is determined to be applied to an actual station address wearing scheme according to a planning result preferentially under the condition of a plurality of candidate station addresses according to manual experience in site survey. However, the quality of actual network signals is not considered in the conventional planning, that is, the quality of a plurality of planned and generated candidate station addresses is not considered when selecting the candidate station addresses as the actual application, but the final objective of the actual application mainly considers the signal quality condition of the existing network, so that a method for reasonably evaluating the old-fashioned priority of the station addresses based on network actual measurement is urgently needed, so that the old-fashioned scheme more conforms to the actual coverage condition of the network.
Therefore, there is a need in the art to develop a shared site evaluation method and system that better meet the network authenticity.
Disclosure of Invention
The invention provides a novel shared station address evaluation method and a novel shared station address evaluation system, which are more in line with the real situation of a network. The method is used for selecting the preferred candidate station address as the required station address more accurately and more conveniently when the candidate station address is more than two.
The first aspect of the present invention provides a shared site evaluation method, including the following steps:
(10) Acquiring candidate station address information of a required station address;
(11) Calculating the coverage distance of the demand station according to the network topology of the peripheral area of the demand station, and generating a central area and an edge area of the demand station;
(12) And evaluating the scores of the candidate station sites according to the coverage and interference indexes of the existing network test signals in different areas.
In the step (12), the edge region obtains the signal receiving power index; the central region is an indicator of the signal to interference plus noise ratio.
(SINR)。
The inter-station distance D is obtained by calculation by adopting a tesson polygon method, the coverage radius is R = D/2, the central region is [0,0.8r ], the edge region is (0.8r, 1.2r), and the region in which the required site coverage range is within 1.2R is the region to be evaluated.
A second aspect of the present invention provides a shared site evaluation method, including the following steps:
(20) Acquiring candidate station address information of a required station address;
(21) Calculating the coverage distance of the demand station address according to the network topology of the peripheral area of the demand station address, and generating a central area and an edge area of the demand station address;
(22) Respectively scoring the current network test signal coverage and interference indexes in different areas;
(23) Accumulating the index scores of different areas of each candidate station address, and adding the index scores;
(24) And selecting the candidate station address with the highest total score as the preferred shared station address.
In the step (22), the edge region obtains the signal receiving power index; the central region is scored separately by the signal to interference plus noise ratio indicator.
The inter-station distance D is obtained by computing by adopting a Thiessen polygon method, the coverage radius of the required station is R = D/2, the central region is [0,0.8R ], the edge region is (0.8R, 1.2R), and the region of the required station within the coverage range of 1.2R is the region to be evaluated.
The step (22) includes the step of
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And respectively giving scores from large to small to each signal index in each grid according to the sequence height for each candidate station address.
The indexes are collected and processed by mobile equipment.
The mobile device is a mobile phone.
A third aspect of the present invention provides a shared site evaluation system, where the system includes:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring candidate station address information of a required station address;
the processing unit is used for calculating the coverage distance D of the demand station according to the network topology and generating a central area and an edge area of the demand station;
and the evaluation unit is used for evaluating the scores of the candidate station addresses according to the signal indexes of different areas.
The above-mentioned evaluation unit, the marginal area fetches the index of the received power of the signal; the central region takes the signal to interference plus noise ratio index and evaluates the scores respectively.
The above-mentioned system includes:
the acquisition unit is used for acquiring candidate station address information of the required station address;
the processing unit is used for calculating the average inter-station distance D of the demand station according to the network topology of the peripheral area of the demand station and generating a central area and an edge area of the demand station;
the scoring unit is used for scoring the signal coverage and interference indexes of different areas respectively;
the calculating unit is used for accumulating and adding the index scores of different areas of each candidate station address;
and the selection unit is used for selecting the candidate station address with the highest total score as the preferred shared station address.
The above scoring unit, the marginal area gets the signal receiving power index; the central region is scored by taking the signal to interference plus noise ratio index.
The processing unit includes:
the calculating unit is used for calculating and obtaining the average station spacing D of the required station sites through a Thiessen polygon method, so that the coverage radius R = D/2 is obtained;
a modeling unit, configured to construct a central region and an edge region, where the central region is [0,0.8r ], and the edge region is (0.8r, 1.2r);
and the area with the coverage range of the required site within 1.2R is the area to be evaluated.
The above scoring unit includes:
a dividing unit for dividing the region to be evaluated into a plurality of grids;
the test unit is used for testing the signal coverage and interference indexes of each candidate station address in each grid;
the sorting unit is used for sorting the signal indexes in each grid from high to low according to the signal quality;
and the scoring unit is used for giving scores from large to small to each signal index of each candidate station address in each regional grid in sequence.
The above-mentioned score is the arithmetic series.
In the sorting unit, the marginal area takes a signal receiving power index; the central region is sorted by the signal to interference plus noise ratio indicators.
A novel method and a system for quasi-real-time evaluation of shared station addresses are provided. Generating an edge area and a central area of a required site according to network topology depending on network real-time signal quality measured around the required site, further dividing a test data attribution area, generating evaluation object scores corresponding to candidate sites according to signal coverage or interference quality comparison results of different areas, finally, superposing the scores of each candidate in different areas, wherein the obtained total score is a final candidate site evaluation result, and if the score is larger, the priority of the candidate site is higher, and the candidate site is preferentially recommended.
Regarding candidate site selection: and two obtaining modes, wherein one mode is that the planning scheme directly generates the candidate station address, and the other mode is that the result of the random planning scheme selects the other system stock station address nearest to the required station address.
The following are described in detail respectively: mode 1: the mobile phone APP determines that the signal acquired based on the network is required to be subjected to old priority evaluation, the required station address to be evaluated is selected and submitted to the cloud, and the cloud receives the required station address and an evaluation request. And checking whether the required site is planned to generate a shared old-shared site plan or not, if a shared site planning result is generated, firstly determining whether more than one shared old-shared site exists or not, and then comparing the coverage capacity of the required site area from other candidate sites at the position by using measured data. Mode 2: if the candidate station address generated by the shared station address planning scheme is not available in the required station address, selecting the stock station address of the other system with the nearest distance around the required station address, and generally proposing at least 2 stock station addresses as an object for subsequent evaluation based on the actual measurement data of the current network.
Secondly, before evaluation and comparison, the cloud further confirms whether a terminal acquisition data signal of the mobile phone APP is received, test data of the terminal acquisition data signal mainly comes from a signal received by the planned and generated shared station address in a demand area, if the cloud does not receive the test data information, a mobile phone APP test instruction is issued and comprises a test recommendation area and a test station address ID, the mobile phone APP receives the test instruction and finishes acquisition of the test data, the acquired data mainly include a signal receiving power index and a signal quality SINR index, wherein all candidate station address signals are acquired as far as possible at the same position, the central area preferentially acquires receiving power, the edge area preferentially acquires a signal to interference plus noise ratio (SINR), and the signal to interference plus noise ratio (SINR) is uploaded to the cloud.
Specifically, the attribution of the shared site is determined based on the wireless signal data having the position information, on the premise that the candidate sites are plural, at least 2 or more. In selecting the candidate site, not only based on the above conventional considerations, but also the actual signal quality around the desired site should be considered. Generally, the edge area of the site is easy to generate serious interference, and the core area of the site is more focused on the coverage of signals.
"overlay distance" and "overlay radius" are used interchangeably herein. "grid" and "BIN grid" may be used interchangeably.
Therefore, when the usable address has two or more than two, the method and the system of the invention provide a station address evaluation method which is closer to the network authenticity through further measuring the real-time signal quality of the network, such as the signal coverage of a central area and the interference quality of an edge area. The invention prioritizes the effect of the network signals around the site of interest, e.g. the better the quality of measurements from other candidate sites on the area, the more suitable the candidate site is to be selected for old use. The present invention provides a near real-time method and system that takes into account the effects of actual network signals.
Drawings
FIG. 1 is a flowchart of an embodiment of a method for evaluating a shared site according to the present invention;
FIG. 2 is a flow chart of a preferred embodiment of a shared site address evaluation method of the present invention;
FIG. 3 is a flow chart of step 22 in a preferred embodiment of the present invention;
FIG. 4 is a block diagram of an embodiment of a shared site address evaluation system;
FIG. 5 is a schematic diagram of a preferred embodiment of a shared site address evaluation system according to the present invention;
FIG. 6 is a schematic structural diagram of a scoring unit in a preferred embodiment of the shared site address scoring system of the present invention;
fig. 7 is a schematic structural diagram of a processing unit in an embodiment of a shared site address evaluation system according to the present invention.
Detailed Description
To further illustrate the present invention, the following detailed description is to be read with reference to the accompanying drawings and the specific embodiments.
The computing unit in the processing unit and the computing unit in the evaluation system may share the same computing unit, or two computing units may be separately provided as needed.
In one embodiment, the process is shown in FIG. 1. A shared station address evaluation method comprises the following steps:
(10) Acquiring candidate station address information of a required station address;
(11) Calculating the coverage distance D of the demand station address according to the network topology of the peripheral area of the demand station address, and generating a central area and an edge area of the demand station address;
(12) And evaluating the scores of the candidate station sites according to the coverage and interference indexes of the existing network test signals in different areas.
In another embodiment, as shown in fig. 2, the method for evaluating a shared site includes the following steps:
(20) Acquiring candidate station address information of a required station address;
(21) Calculating the coverage distance of the demand station according to the network topology of the peripheral area of the demand station, and generating a central area and an edge area of the demand station;
(22) Respectively scoring the current network test signal coverage and interference indexes in different areas;
(23) Accumulating the index scores of different areas of each candidate station address, and adding the index scores;
(24) And selecting the candidate station address with the highest total score as the preferred shared station address.
In the above step (12) and step (22), the edge region obtains the signal received power index; the central region is evaluated or scored by taking the signal to interference plus noise ratio indicator, respectively.
The coverage distance D is calculated by adopting a tesson polygon method, the coverage radius is R = D/2, the central region is [0,0.8r ], the edge region is (0.8r, 1.2r), and the region where the required site coverage is within 1.2R is the region to be evaluated.
Preferably, as shown in FIG. 3, the step (22) includes the following steps
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station address.
Wherein, in step (223), the marginal area is used to obtain the signal receiving power index; the central region is sorted by the signal to interference plus noise ratio indicators.
The indexes are collected and processed by mobile equipment.
The mobile device is a mobile phone.
In an embodiment of the present invention, a shared site evaluation system is provided, as shown in fig. 4, the system includes:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring candidate station address information of a required station address;
the processing unit is used for calculating the coverage distance D of the required site according to the network topology and generating a central area and an edge area of the required site;
and the evaluation unit is used for evaluating the scores of the candidate station addresses according to the signal indexes of different areas.
In the evaluation unit, the marginal area takes a signal receiving power index; the central region takes the signal to interference plus noise ratio index and evaluates the score respectively.
The evaluation unit is a network optimization device.
Preferably, in the embodiment, as shown in fig. 5, the system includes:
the acquisition unit is used for acquiring candidate station address information of the required station address;
the processing unit is used for calculating the average inter-station distance D of the demand station according to the network topology of the peripheral area of the demand station and generating a central area and an edge area of the demand station;
the scoring unit is used for scoring the signal coverage and interference indexes of different areas respectively;
the calculating unit is used for accumulating and adding the index scores of different areas of each candidate station address;
and the selection unit is used for selecting the candidate station address with the highest total score as the preferred shared station address.
For example, the calculating unit may accumulate the signal coverage indexes of a candidate station, then accumulate the SINR indexes thereof, and then add them.
In the evaluation unit, the marginal area takes the signal receiving power index; the central region is scored by taking the signal to interference plus noise ratio index.
Specifically, as shown in fig. 7, the processing unit includes:
the calculating unit is used for calculating and obtaining the average station spacing D of the required station sites through a Thiessen polygon method, so that the coverage radius R = D/2 is obtained;
a modeling unit, configured to construct a central region and an edge region, where the central region is [0,0.8r ], and the edge region is (0.8r, 1.2r);
and the area with the coverage range of the required site within 1.2R is the area to be evaluated.
Further, as shown in fig. 6, the scoring unit includes:
a dividing unit for dividing the region to be evaluated into a plurality of grids;
the test unit is used for testing the signal coverage and interference indexes of each candidate station address in each grid;
the sorting unit is used for sorting all signal indexes in all grids from high to low according to the signal quality;
and the scoring unit is used for giving scores from large to small to each signal index of each candidate station address in each regional grid in sequence.
In the sorting unit, the edge area takes the signal receiving power index; the central region is evaluated and sorted by the signal to interference plus noise ratio index.
Specifically, the details are set forth below by way of example.
And generating a center of a required site, wherein an edge area takes the required site as the center, selecting the site which is the closest to the required site in the periphery in the anticlockwise direction, if the number of the searched sites is less than M (5 < = M < = 10), taking the site which is the closest to the last center, searching for a circle in the anticlockwise direction by taking the site as the center, selecting the site which is the same as the closest system, completing the search of the circle, and continuing the next round of search until the site which meets the conditions is searched if the number requirement of the search is not met.
And generating a Thiessen polygon by using the M station addresses, and calculating the average station distance D, so that the average station address coverage radius of the required station address in the area is R = D/2, and the radius is used as the basic coverage radius of the required station address. Then the center area is in the range of site positions 0 to 0.8R and the edge area is in the range of 0.8R to 1.2R.
And extracting network test data meeting the conditions, wherein the evaluation considers the signal quality of other candidate cells near the required site in the area, so that the signal test acquisition area is a range area with the required site as the center and the acquisition radius of 1.2R.
In addition, all candidate site radio test signal data to be evaluated needs to be included in the grid of each test at the same time. And if the mobile phone APP receives signals to be evaluated of all candidate station addresses at one position in the test range, acquiring the signals and reporting the signals to the cloud.
The data measured by the invention is provided with longitude and latitude information, and the corresponding measured value can be obtained by analyzing which area the test data belongs to. That is, the test point falls on the central area, its SINR is taken, the test point falls on the edge, and the received power index is taken.
And evaluating the signal quality acquired by the candidate station in the demand area, and comparing the signal quality of the center area with that of the edge area. Specifically, taking the central area of the required site as an example, a certain BIN grid point is set to receive the signal strengths from all candidate sites respectively. And generating a sorted score according to the number of the candidate station addresses. For example, if the number of the candidate stations is M, the score is 1. (2M-1), sorting the signal strengths received by all the candidate stations at the current position according to the BIN signal points from large to small, and correspondingly giving corresponding scores according to sorting results in turn, wherein the larger the signal strength is, the larger the score is, i.e., giving scores from large to small in turn. For example, the score of the candidate site where the signal strength is the maximum is (2M-1). If the BIN lattice does not contain a candidate station signal, the coverage capability of the candidate station at the current position is insufficient, and the candidate station does not cover the required area, and the score of the candidate station is the lowest. And finally, superposing all scores of all candidate station addresses in the central area.
Similarly, evaluating the signal quality SINR in a central area, acquiring all BIN grids acquired by area test, comparing the SINR of each BIN grid candidate station at the position, sorting the SINR of each BIN grid candidate station on each BIN grid from large to small according to the number of the candidate station, assuming M candidate station, sequentially giving a score (2M-1) ·.1 according to the sorting result, wherein the score of the candidate station with the minimum SINR is 1 at the point, and if the SINR of a certain candidate station is not acquired at the BIN grid point, the score is 0. And finally, superposing all SINR scores of each candidate station address.
And finally, comprehensively evaluating the coverage and the interference quality in the demand area. And generating the coverage score and the interference score for each candidate station address, and superposing the coverage score and the interference score to obtain the overall evaluation score of the candidate station address. And sorting according to the total score, wherein the candidate station with the largest score, the best quality of coverage and interference in a demand area, and preferentially serving as a preferred old-age recommendation based on the station.
The above description of the existing network test data can be extended to drive test data of a wireless network, MR correction data with position information, or a coverage matrix and an interference matrix with existing network signal characteristics. Furthermore, the method is still suitable for correcting the simulation matrix based on the existing network test data, and the correction matrix with the existing network signal characteristics is generated after processing.
Further, it should be understood that equivalents and modifications of the technical solution and inventive concept thereof may be made by those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (15)
1. A shared site evaluation method is characterized by comprising the following steps:
(1) Acquiring candidate station address information of a required station address;
(2) Calculating the coverage distance of the demand station according to the network topology of the peripheral area of the demand station, and generating a central area and an edge area of the demand station;
(3) Evaluating the scores of the candidate station sites according to the coverage and interference indexes of the existing network test signals in different areas;
the coverage distance D is obtained by adopting a Thiessen polygon method, the coverage radius is R = D/2, the central region is [0,0.8R ], the edge region is (0.8R, 1.2R), and the region with the required site coverage range within 1.2R is the region to be evaluated;
the step (2) includes the steps of:
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station address.
2. The method according to claim 1, wherein in the step (3), the marginal area is a signal received power indicator; the central region is an indicator of the signal to interference plus noise ratio.
3. The shared site assessment method according to claim 1 or 2, wherein the coverage distance D is obtained by computation using a tesson polygon method, the coverage radius is R = D/2, the central region is [0,0.8r ], the edge region is (0.8r, 1.2r), and the region where the required site coverage is within 1.2R is the region to be assessed.
4. A shared site evaluation method is characterized by comprising the following steps:
(20) Acquiring candidate station address information of a required station address;
(21) Calculating the coverage distance of the demand station address according to the network topology of the peripheral area of the demand station address, and generating a central area and an edge area of the demand station address;
(22) Evaluating the scores of the candidate station sites according to the coverage and interference indexes of the existing network test signals in different areas;
(23) Accumulating the index scores of different areas of each candidate station address, and adding the index scores;
(24) Selecting a candidate station address with the highest total score as a target shared station address;
the coverage distance D is obtained by adopting a Thiessen polygon method, the coverage radius is R = D/2, the central region is [0,0.8R ], the edge region is (0.8R, 1.2R), and the region with the required site coverage range within 1.2R is the region to be evaluated;
the step (2) includes the steps of:
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station address.
5. The method as claimed in claim 4, wherein in the step (22), the edge region is used to obtain the signal received power indicator; the central region is scored separately by the signal to interference plus noise ratio indicator.
6. The method as claimed in claim 4 or 5, wherein the coverage distance D is calculated by a thiessen polygon method, the coverage radius of the demand site is R = D/2, the central region is [0,0.8r ], the edge region is (0.8r, 1.2r), and the region where the coverage area of the demand site is within 1.2R is the region to be evaluated.
7. The method of claim 6, wherein said step (22) comprises the steps of:
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station address.
8. The method of claim 5, wherein the metrics are collected and processed using a mobile device.
9. The method of claim 8, wherein the mobile device is a mobile phone.
10. A shared site evaluation system, the system comprising:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring candidate station address information of a required station address;
the processing unit is used for calculating the coverage distance D of the demand station according to the network topology of the peripheral area of the demand station, and generating a central area and an edge area of the demand station;
the evaluation unit is used for evaluating scores of the candidate station addresses according to the signal indexes of different areas;
the coverage distance D is obtained by adopting a Thiessen polygon method, the coverage radius is R = D/2, the central region is [0,0.8R ], the edge region is (0.8R, 1.2R), and the region with the required site coverage range within 1.2R is the region to be evaluated;
the step (2) includes the steps of:
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station address.
11. A shared site assessment system, the system comprising:
the processing unit is used for calculating the average inter-station distance D of the demand station according to the network topology of the peripheral area of the demand station and generating a central area and an edge area of the demand station;
the scoring unit is used for scoring the signal coverage and interference indexes of different areas respectively;
the calculating unit is used for accumulating and adding the index scores of different areas of each candidate station address;
the selection unit is used for selecting the candidate station address with the highest total score as the target shared station address;
the coverage distance D is obtained by adopting a Thiessen polygon method, the coverage radius is R = D/2, the central region is [0,0.8R ], the edge region is (0.8R, 1.2R), and the region with the required site coverage range within 1.2R is the region to be evaluated;
the step (2) includes the steps of:
(221) Dividing a region to be evaluated into a plurality of grids;
(222) Testing signal coverage and interference indexes of each candidate station address in each grid;
(223) Sorting the signal indexes in each grid from high to low according to the signal quality;
(224) And for each grid, sequentially and respectively giving scores from large to small to each signal index of each candidate station.
12. The system as claimed in claim 11, wherein the scoring unit is configured to obtain a signal received power indicator in an edge region; the central region is scored by taking the signal to interference plus noise ratio index.
13. The shared site address assessment system of claim 11, wherein said processing unit comprises:
the calculating unit is used for calculating and obtaining the average station spacing D of the required station by a Thiessen polygon method, so that the coverage radius R = D/2 is obtained;
a modeling unit, configured to construct a central region and an edge region, where the central region is [0,0.8r ], and the edge region is (0.8r, 1.2r);
and the area with the coverage range of the demand station address within 1.2R is the area to be evaluated.
14. The shared site evaluation system of claim 11 or 13, wherein the scoring unit comprises:
the device comprises a dividing unit, a judging unit and a judging unit, wherein the dividing unit is used for dividing a region to be evaluated into a plurality of grids;
the test unit is used for testing the signal coverage and interference indexes of each candidate station in each grid;
the sorting unit is used for sorting all signal indexes in all grids from high to low according to the signal quality;
and the scoring unit is used for giving scores from large to small to each signal index of each candidate station address in each regional grid in sequence.
15. The shared site evaluation system of claim 14, wherein the ranking unit, edge region, takes a signal received power indicator; the center region is ranked by the signal to interference plus noise ratio indicator.
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