KR102579062B1 - Method of analyzing link path profile and interference - Google Patents

Abstract

A link path profile and interference analysis method of an adaptive transmission design (ATD) network may be disclosed. A link path profile and interference analysis method of an ATD network according to an embodiment, in the link path profile and interference analysis system, components for configuring a network - the components include a plurality of communication stations, a plurality of wireless transmission devices, and a plurality of links. Including - receiving first input information about; In the link path profile and interference analysis system, generating and displaying a first window displaying the component as an icon and text based on the first input information; In the link path profile and interference analysis system, receiving second input information for analyzing path profiles and interference for the plurality of links; In the link path profile and interference analysis system, generating the path profile and the analysis result of the interference for the plurality of links based on the second input information; and, in the link path profile and interference analysis system, generating and displaying a second window indicating the analysis results.

Description

Link path profile and interference analysis method {METHOD OF ANALYZING LINK PATH PROFILE AND INTERFERENCE}

The present invention relates to a link path profile and interference analysis method in an adaptive transmission design (ATD) network.

Recently, microwave communication systems have been improved to transmit large amounts of data at high speeds reliably and economically by maximizing efficiency. In particular, in order to keep pace with changes in the battlefield environment to the future NCW (Network Centric Warfare), the military has established Point-To-Point (PTP) and Point-To-Multiple (PTM) network facilities that are fixed in multiple locations to enable long-distance wireless communication. ) Microwave links are being used extensively. For military long-distance wireless communication-based systems, reliability as well as economic efficiency of data transmission are very important issues, and improved transmission technology that can be applied by mixing existing transmission methods to ensure both economy and reliability is required.

In wireless transmission links, signal distortion occurs due to fading and multi-path due to thermal noise and interference. Availability is generally used as a criterion for designing a high-quality, reliable network. Availability refers to the percentage of time that a system can operate without interruption despite failures or problems due to fading.

In general, to design/apply wireless transmission links, network configuration, and adaptive transmission techniques in the transmission network of a microwave communication system, required distance, transmission capacity, waveform, frequency bandwidth, adaptive transmission performance analysis, availability, and link design are required. and implementation method are essential factors to consider.

Conventionally, there is a problem in that wireless transmission links cannot be effectively controlled by analyzing path profiles and interference. Therefore, there is a need for technology that can effectively control path profiles and interference in wireless transmission links by analyzing them.

The present invention can provide a link path profile and interference analysis method that can visually provide analysis results by analyzing the link path profile and interference of an adaptive transmission design (ATD) network.

According to an embodiment of the present invention, a link path profile and interference analysis method of an ATD network may be disclosed. A link path profile and interference analysis method according to an embodiment includes components for configuring a network in a link path profile and interference analysis system - the components include a plurality of communication stations, a plurality of wireless transmission devices, and a plurality of links. Receiving first input information about; In the link path profile and interference analysis system, generating and displaying a first window displaying the component as an icon and text based on the first input information; In the link path profile and interference analysis system, receiving second input information for analyzing path profiles and interference for the plurality of links; In the link path profile and interference analysis system, generating the path profile and the analysis result of the interference for the plurality of links based on the second input information; and, in the link path profile and interference analysis system, generating and displaying a second window indicating the analysis results.

In one embodiment, the first window includes a link viewer window that displays the components as the icons; a link information window that displays information about a link selected from the link viewer window among the plurality of links; and a link list window that displays the plurality of links created in the link viewer window in a list form.

In one embodiment, the second input information includes obstacle information about obstacles located between the plurality of communication stations; And it may include interference link information that sets at least two links for analyzing interference among the plurality of links.

In one embodiment, the obstacle information may include a height of the obstacle, a location of the obstacle, and a radius of curvature of the Earth.

In one embodiment, generating the analysis result may include determining a radio wave passage width as the analysis result based on the obstacle information.

In one embodiment, the interference link information includes link selection information for selecting a first link that receives interference among the plurality of links and at least one second link that interferes with the first link; First link setting information that sets information about the first link; And it may include second link setting information that sets information about the second link.

In one embodiment, generating the analysis result includes determining an interference ratio between the first link and the second link based on the interference link information; and generating the analysis result by comparing the determined interference ratio with a preset interference ratio.

According to various embodiments of the present invention, it is possible to easily set the parameters required when analyzing the path profile and interference for a wireless path (i.e., link), as well as generate analysis results of the path profile and interference and analyze the generated data. Results can be provided visually.

In addition, it not only facilitates the presence of interference on the wireless path (i.e. link) and the input of interference-related parameters required when analyzing availability, but also facilitates the creation, change, and additional input of configuration information according to the link. By enabling interference analysis between the first link and the second link, it is possible to calculate and provide whether desired signal power is received and the difference value.

In addition, it not only facilitates the input of parameters required to analyze the path profile for the wireless path (i.e. link), but also facilitates the creation, change, and additional input of environmental information according to the link, thereby improving radio wave mastery of the link. Easily determine whether to secure an area and the difference in distance for securing it, whether to secure the 1st Fresnel zone and the difference in distance for it, analysis of influence based on obstacle distance and height, analysis of influence due to artificial obstacles, analysis of elevation angle in wireless transmission link, etc. It can be provided schematically.

In addition, according to various embodiments of the present invention, it can be applied to digital twins and AR/VR/XR that are applied to predictive analysis through virtual objects, and the path profile and interference of the link can be analyzed without using a map. It can be easily applied to structural analysis in similar fields.

Moreover, according to various embodiments of the present invention, it can be easily applied when analyzing the impact of short-range, mid-range, and long-distance interference and establishing a plan for removal, and the actual inputtable information and estimated information can be input repeatedly. , It can be easily applied to wireless link analysis in similar fields through automated output.

Figure 1 is a block diagram schematically showing a link path profile and interference analysis system of an adaptive transmission design (ATD) network according to an embodiment of the present invention.
Figure 2 is an exemplary diagram showing a first window according to an embodiment of the present invention.
Figure 3 is a flowchart showing a method for analyzing link path profile and interference according to an embodiment of the present invention.
Figure 4 is an example diagram showing a parameter input window for a link path profile according to an embodiment of the present invention.
Figure 5 is an exemplary diagram showing parameter input windows for the first link and the second link according to an embodiment of the present invention.

Embodiments of the present invention are illustrated for the purpose of explaining the technical idea of the present invention. The scope of rights according to the present invention is not limited to the embodiments presented below or the specific description of these embodiments.

All technical and scientific terms used in the present invention, unless otherwise defined, have meanings commonly understood by those skilled in the art to which the present invention pertains. All terms used in the present invention are selected for the purpose of more clearly explaining the present invention and are not selected to limit the scope of rights according to the present invention.

Expressions such as "comprising", "comprising", "having", etc. used in the present invention are open terms that imply the possibility of including other embodiments, unless otherwise stated in the phrase or sentence containing the expression. It should be understood as (open-ended terms).

Singular expressions described in the present invention may include plural meanings unless otherwise specified, and this also applies to singular expressions recited in the claims.

Expressions such as “first” and “second” used in the present invention are used to distinguish a plurality of components from each other and do not limit the order or importance of the components.

The term “unit” used in the present invention refers to software or hardware components such as a field-programmable gate array (FPGA) or an application specific integrated circuit (ASIC). However, “wealth” is not limited to hardware and software. The “copy” may be configured to reside on an addressable storage medium and may be configured to reproduce on one or more processors. Thus, as an example, “part” refers to software components, such as object-oriented software components, class components, and task components, processes, functions, properties, procedures, subroutines, Includes segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables. The functionality provided within components and “parts” may be combined into smaller numbers of components and “parts” or may be separated into additional components and “parts”.

The expression "based on" as used in the present invention is used to describe one or more factors that influence the act or operation of a decision judgment described in the phrase or sentence containing the expression, and this expression refers to the decision , it does not exclude additional factors that influence the act or operation of judgment.

In the present invention, when a component is referred to as being “connected” or “connected” to another component, it means that the component can be directly connected or connected to another component, or in a new different configuration. It should be understood as something that can be connected or connected through elements.

Hereinafter, embodiments of the present invention will be described with reference to the attached drawings. In the accompanying drawings, identical or corresponding components are given the same reference numerals. Additionally, in the description of the following embodiments, overlapping descriptions of identical or corresponding components may be omitted. However, even if descriptions of components are omitted, it is not intended that such components are not included in any embodiment.

Figure 1 is a block diagram schematically showing a link path profile and interference analysis system of an adaptive transmission design (ATD) network according to an embodiment of the present invention. Referring to FIG. 1, the link path profile and interference analysis system 100 according to an embodiment may include an input device 110, a processing device 120, and an output device 130. Additionally, the link path profile and interference analysis system 100 may further include a storage device 140.

The input device 110 may receive information for analyzing the link path profile and interference of the ATD network. In one embodiment, the input device 110 may receive information about components for configuring a network (hereinafter referred to as “first input information”). In one embodiment, the components may include multiple communication stations, multiple wireless transmission devices, and multiple links. For example, the first input information may include communication station setting information for setting a plurality of communication stations, wireless transmission device setting information for setting a plurality of wireless transmission devices, and link setting information for setting a plurality of links.

In one embodiment, the input device 110 may receive information for analyzing the path profile and interference of a link (hereinafter referred to as “second input information”). In one embodiment, the second input information includes information about obstacles located between communication stations (hereinafter referred to as “obstacle information”) and information for setting at least two links for analyzing interference among a plurality of links (hereinafter referred to as “obstacle information”). , referred to as “interfering link information”).

In one embodiment, obstacle information may include the height of the obstacle, the location of the obstacle, and the radius of curvature of the Earth. However, obstacle information is not necessarily limited to this.

In one embodiment, the interference link information includes link selection information for selecting a first link that receives interference and at least one second link that interferes with the first link among a plurality of links, and setting information about the first link. It may include first link setting information and second link setting information that sets information about the second link. However, the interference link information is not necessarily limited to this.

In one embodiment, the input device 110 may receive information that adds or modifies at least one of obstacle information or interference link information (hereinafter, “third input information”).

In one embodiment, input device 110 may include a component for interfacing with a user. For example, the input device 110 may include a keyboard, mouse, touch pad, touch screen, etc. However, the input device 110 is not necessarily limited thereto.

Processing device 120 may be connected to input device 110 . The processing device 120 may process information input through the input device 110 to generate analysis results of the link path profile and interference of the ATD network.

In one embodiment, the processing device 120 receives first input information from the input device 110 and creates a first window that displays components as icons and text based on the received first input information. You can.

For example, as shown in FIG. 2, the first window 200 includes a link viewer window 210 that displays components as icons, and information about the link selected in the link viewer window 210 among a plurality of links. It may include a link information window 220 that displays, and a link list window 230 that displays a plurality of links created in the link viewer window 210 in a list form. In FIG. 2, reference numeral 240 represents a communication center represented by an icon, reference numeral 250 represents a wireless transmission device represented by an icon, and reference numeral 260 represents a link.

In one embodiment, processing device 120 may receive second input information from input device 110 and generate analysis results of link path profile and interference for the ATD network based on the received second input information. You can.

In one embodiment, the processing device 120 may receive second input information from the input device 110 and generate an analysis result of the link path profile for the ATD network based on the received second input information. . For example, the processing device 120 may generate an analysis result corresponding to the radio wave passage width based on obstacle information in the second input information.

In one embodiment, the processing device 120 determines a reflect point, an earth buldge at the obstacle location, and The elevation angle, clearance, 1st Fresnel, and clearance/Fresnel for calculating the radio wave passage width can be determined.

For example, the reflection point can be determined using Equation 1 below.

In Equation 1, D1 represents the distance (Km) from the receiving station to the reflection point, D2 represents the distance (Km) from the transmitting station to the reflection point, d represents the link distance (Km), and h ₁ represents the receiving station represents the height (m), and h ₂ represents the height (m) of the transmission communication station.

For example, the earth protrusion height at the obstacle location can be determined using Equation 2 below.

In Equation 2, dh represents the earth protrusion height, d ₁ represents the distance (Km) from the receiving communication station to the obstacle, d ₂ represents the distance (Km) from the transmitting communication station to the obstacle, and K is the Earth equivalent radius coefficient. represents.

For example, the elevation angle can be determined using Equation 3 below.

In Equation 3, θ represents the elevation angle.

For example, clearance can be determined using Equation 4 below.

In equation 4, hc represents clearance.

For example, 1st Fresnel can be determined using Equation 5 below.

In Equation 5, F1 represents the 1st Fresnel, and f represents the frequency.

For example, clearance/Fresnel for calculating the radio wave passage width can be determined using Equation 6 below.

In one embodiment, the processing device 120 may determine the radio wave passage width using the determined clearance/Fresnel, and generate the determined radio wave passage width as a result of analysis of the link path profile.

In one embodiment, the processing device 120 may receive second input information from the input device 110 and generate an analysis result of link interference based on the received second input information.

In one embodiment, the processing device 120 may generate an analysis result by analyzing interference between the first link and the second link based on the interference link information of the second input information. For example, the processing device 120 may determine the interference ratio between the first link and the second link using Equation 7 below.

In Equation 7, L _c represents the value (dB) obtained by adding the free space loss and other losses of the first link, and L _i represents the value (dB) obtained by adding the free space loss and other losses of the second link. Represents, P _c represents the link transmission power (dBm) of the first link, P _i represents the transmission power (dBm) of the second link, G _c represents the antenna gain (dBi) of the first link, G _i represents the antenna gain (dBi) of the second link, D _c represents the transmitting antenna F/B (dB) of the second link, and D _i represents the receiving antenna F/B (dB) of the second link.

Additionally, the processing device 120 may generate an analysis result by comparing the determined interference ratio with a preset interference ratio.

In one embodiment, the processing device 120 may generate a second window indicating the generated analysis results. As an example, the processing device 120 may generate a second window indicating the analysis result of the link path profile. As another example, the processing device 120 may generate a second window indicating the analysis result of link interference. As another example, the processing device 120 may generate a second window showing the analysis result of the link path profile and the analysis result of link interference.

Output device 130 may be connected to processing device 120. The output device 130 may output the first window generated by the processing device 120. Additionally, the output device 130 may output the second window generated by the processing device 120. In one embodiment, the output device 130 may output a report in the form of a report so that pop-ups and external data can be applied, edited, and saved to the second window.

In one embodiment, the output device 130 is a component for interfacing with a user and may include a liquid crystal display (LCD), a light emitting diode (LED) display, an organic light emitting diode (OLED) display, a printer, etc. there is. However, the output device 130 is not necessarily limited thereto.

Storage device 140 may be connected to processing device 120. The storage device 140 can store various data. In one embodiment, storage device 140 is data acquired, processed, or used by at least one component of link path profiling and interference analysis system 100 and includes software (e.g., commands, programs, etc.). etc.) may be included. In one embodiment, storage device 140 may include volatile and/or non-volatile memory.

In one embodiment, the storage device 140 may store first input information, second input information, and third input information input through the input device 110. Additionally, the storage device 140 may store the results generated by the processing device 120.

Although process steps, method steps, algorithms, etc. are described in a sequential order in the flow diagrams shown herein, such processes, methods, and algorithms may be configured to operate in any suitable order. In other words, the steps of the processes, methods and algorithms described in various embodiments of the invention do not need to be performed in the order described herein. Additionally, although some steps are described as being performed asynchronously, in other embodiments, some such steps may be performed concurrently. Additionally, the illustration of a process by depiction in the drawings does not mean that the illustrated process excludes other variations and modifications thereto, and that any of the illustrated process or steps thereof may be incorporated into any of the various embodiments of the invention. It does not imply that more than one is required, nor does it imply that the illustrated process is preferred.

Figure 3 is a flowchart showing a method for analyzing link path profile and interference according to an embodiment of the present invention. Referring to FIG. 3, in step S302, the link path profile and interference analysis system 100 may receive first input information regarding components for network configuration. In one embodiment, the input device 110 of the link path profile and interference analysis system 100 includes communication station setting information for setting a plurality of communication stations, wireless transmission device setting information for setting a plurality of wireless transmission devices, and a plurality of links. First input information including link setting information for setting may be received.

In step S304, the link path profile and interference analysis system 100 may generate and display a first window based on the first input information. In one embodiment, the processing device 120 of the link path profile and interference analysis system 100 may generate and display a first window that displays components as icons and text based on first input information. In one embodiment, the processing device 120 may generate a first window that displays components as icons and text based on first input information. The processing device 120 may display the generated first window through the output device 130 of the link path profile and interference analysis system 100.

In step S306, the link path profile and interference analysis system 100 may receive second input information for analyzing the path profile and interference of the link. In one embodiment, the input device 110 of the link path profile and interference analysis system 100 sets obstacle information about obstacles located between communication stations and at least two links for analyzing interference among a plurality of links. Second input information including interference link information may be received.

In one embodiment, the processing device 120 of the link path profile and interference analysis system 100 includes an obstacle information input window for entering obstacle information about obstacles located between communication stations, as shown in FIG. 4. 400 can be created, and the generated obstacle information input window 400 can be displayed through the output device 130. Accordingly, the input device 110 may receive obstacle information input through the obstacle information input window 400 displayed on the output device 130 as second input information.

In one embodiment, the processing device 120 of the link path profile and interference analysis system 100 provides interference link information that sets at least two links for analyzing interference among a plurality of links, as shown in FIG. 5. An interference link information input window 500 in which to input can be created, and the generated interference link information input window 500 can be displayed through the output device 130. Accordingly, the input device 110 may receive interference link information input through the interference link information input window 500 displayed on the output device 130 as second input information.

In step S308, the link path profile and interference analysis system 100 may generate a link path profile and interference analysis results based on the second input information. In one embodiment, the processing device 120 of the link path profile and interference analysis system 100 receives second input information from the input device 110 and creates a link path profile and a link path profile based on the received second input information. Interference analysis results can be generated.

In one embodiment, the processing device 120 may generate an analysis result by analyzing the link path profile for the ATD network based on obstacle information in the second input information. For example, the processing device 120 may generate a radio wave passage width as an analysis result based on obstacle information in the second input information.

In one embodiment, the processing device 120 may generate an analysis result by analyzing interference between the first link and the second link based on the interference link information of the second input information. For example, the processing device 120 may calculate an interference ratio between the first link and the second link based on the interference link information, and compare the calculated interference ratio with a preset interference ratio to generate an analysis result.

In step S310, the link path profile and interference analysis system 100 may create and display a second window indicating the generated analysis results. In one embodiment, the processing device 120 of the link path profile and interference analysis system 100 may generate a second window indicating the analysis result of the link path profile as an analysis result. In another embodiment, the processing device 120 may generate a second window indicating the analysis result of link interference as an analysis result. In another embodiment, the processing device 120 may generate a second window showing the analysis result of the link path profile and the analysis result of the link interference as the analysis result. The processing device 120 may display the generated second window through the output device 130.

Optionally, the link path profile and interference analysis system 100 may receive third input information that adds or modifies at least one of obstacle information or interference link information. The link path profile and interference analysis system 100 may newly create a link path profile and interference analysis results based on the received third input information, and create and display a second window showing the generated analysis results.

Although the above method has been described through specific embodiments, the above method can also be implemented as computer-readable code on a computer-readable recording medium. Computer-readable recording media include all types of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, and optical data storage devices. Additionally, computer-readable recording media can be distributed across computer systems connected to a network, so that computer-readable code can be stored and executed in a distributed manner. And, functional programs, codes, and code segments for implementing the above embodiments can be easily deduced by programmers in the technical field to which the present invention pertains.

Although the technical idea of the present invention has been described through some embodiments and examples shown in the accompanying drawings, it does not depart from the technical idea and scope of the present invention that can be understood by a person skilled in the art to which the present invention pertains. It should be noted that various substitutions, modifications and changes may be made within the scope. Furthermore, such substitutions, modifications and alterations are intended to fall within the scope of the appended claims.

100: link path profile and interference analysis system, 110: input device, 120: processing unit, 130: output device, 140: storage device, 210: link viewer window, 220: link information window, 230: link list window, 240: Communication station, 250: wireless transmission device, 260: link

Claims (7)

As a link path profile and interference analysis method of an ATD network,
In a link path profiling and interference analysis system, comprising: receiving first input information regarding components for configuring a network, the components comprising a plurality of communication stations, a plurality of wireless transmission devices, and a plurality of links;
In the link path profile and interference analysis system, generating and displaying a first window displaying the component as an icon and text based on the first input information;
In the link path profile and interference analysis system, receiving second input information for analyzing path profiles and interference for the plurality of links;
In the link path profile and interference analysis system, generating the path profile and the analysis result of the interference for the plurality of links based on the second input information; and
In the link path profile and interference analysis system, generating and displaying a second window indicating the analysis results.
Including,
The second input information is
Obstacle information including a height of an obstacle located between the plurality of communication stations, a location of the obstacle, and a radius of curvature of the earth; and
Contains interference link information that sets at least two links for analyzing interference among the plurality of links,
The step of generating the analysis results is
Based on the height of the obstacle, the location of the obstacle, and the radius of curvature of the Earth, a reflect point, an earth bulge at the location of the obstacle, an elevation angle, a clearance, and a 1st pre. determining 1st Fresnel and clearance/Fresnel;
setting a radio wave passage width based on the clearance/Fresnel; and
Comprising the step of generating the radio wave passage width as a result of analysis of the link path profile,
The first window is
a link viewer window that displays the components with the icons;
a link information window that displays information about a link selected from the link viewer window among the plurality of links; and
A link list window that displays the plurality of links created in the link viewer window in a list form.
Link path profile and interference analysis method including. delete The method of claim 1, wherein the interference link information is
Link selection information for selecting a first link that receives interference among the plurality of links and at least one second link that interferes with the first link;
First link setting information that sets information about the first link; and
Second link setting information that sets information about the second link
Link path profile and interference analysis method including. The method of claim 3, wherein the step of generating the analysis result is
determining an interference ratio between the first link and the second link based on the interference link information; and
Comparing the determined interference ratio and a preset interference ratio to generate the analysis result
Link path profile and interference analysis method including. The method of claim 4, wherein the interference ratio is determined by Equation 1 below,
(Equation 1)

In Equation 1, L _c represents a value (dB) obtained by adding the free space loss and other losses of the first link, and L _i represents a value added by the free space loss and other losses of the second link ( dB), P _c represents the link transmission power (dBm) of the first link, P _i represents the transmission power (dBm) of the second link, and G _c represents the antenna gain (dBi) of the first link. ), G _i represents the antenna gain (dBi) of the second link, D _c represents the transmitting antenna F/B (dB) of the second link, and D _i represents the receiving antenna F of the second link. Link path profile and interference analysis method representing /B(dB). delete delete