CN111010310A

CN111010310A - Method and system for testing outfield performance of Aero MACS router

Info

Publication number: CN111010310A
Application number: CN201911103780.1A
Authority: CN
Inventors: 谢克斌
Original assignee: Sichuan Jiuzhou ATC Technology Co Ltd
Current assignee: Sichuan Jiuzhou ATC Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-04-14
Anticipated expiration: 2039-11-13
Also published as: CN111010310B

Abstract

The invention discloses a method and a system for testing outfield performance of an Aero MACS router, which relate to the technical field of aeronautical communication and comprise the Aero MACS router and an android mobile terminal with a GPS/BD positioning function, wherein the Aero MACS router and the android mobile terminal are fixed at the same position and establish communication connection, and the android mobile terminal is used for acquiring signal parameters of the Aero MACS router; the acquisition process comprises the following steps: (1) starting a timer when a signal for acquiring signal parameters is detected, and starting to acquire the signal parameters of the AeroMACS router; (2) judging whether a signal for stopping acquisition is received, if so, closing a timer, and if not, entering the step (3); (3) reading signal parameter data of the AeroMACS router when the timer is full of 1 s; (4) the positioning information data of the android terminal is read, and by the technical scheme, the outfield test efficiency of the Aero MACS router is greatly improved, the performance of the router is tested quantitatively, and reference can be provided for a network coverage optimization scheme.

Description

Method and system for testing outfield performance of Aero MACS router

Technical Field

The invention relates to the technical field of aviation communication, in particular to a method and a system for testing the performance of an aeroMACS router external field.

Background

The aeroMACS (airport surface wireless broadband communication system) is a wireless broadband communication system facing civil aviation airport surfaces which is being popularized vigorously by international civil aviation organization, European and American countries and China, has the advantages of high reliability, high communication bandwidth, strong confidentiality and the like, and mainly comprises a base station, an ASN gateway, a PAD terminal and a router. Currently, the AeroMACS system is in a popularization and application stage.

The AeroMACS router mainly realizes the function of converting an AeroMACS signal into a WiFi signal, can be installed on airport clothing vehicles and airplane cockpit, and can be used for establishing a communication link between an airport operation center, a control tower, an airline operation center, ground clothing vehicles and pilots by accessing the AeroMACS network through the router by using terminal equipment supporting WiFi, such as a mobile phone, a tablet and the like, so as to realize the applications of audio and video transmission, data transmission and the like.

An AeroMACS router is a key device for guaranteeing aviation safety-related services such as an AeroMACS-based scene taxi guidance control system, a runway anti-intrusion system and the like, and therefore, the performance of the AeroMACS router during the operation in an outfield must be guaranteed.

The invention relates to an aeroMACS router outfield performance test method, which can periodically collect and store aeroMACS signal parameters, position information and time information and visually display router performance data on a GIS map in a visual mode. The method can quantitatively test the performance of the router and locate the problem point of the router.

The existing testing method obtains testing data by manually refreshing a terminal configuration page, manually capturing a screen by a computer and recording by handwriting. The amount of data that can be recorded is limited and not conducive to statistical analysis.

Because the AeroMACS is a new technology, the research aiming at the performance evaluation method and the technology of the AeroMACS router is still in the starting stage, when the airport carries out the outfield performance test on the AeroMACS router, the performance of the router can be indirectly judged only by testing the packet loss rate of the network by using ping packet tool software, therefore, the prior art has the following technical problems,

1. the aeroMACS signal parameters, the position information and the time information can not be acquired in real time;

2. the test result cannot be visually displayed in real time;

3. the test data volume is limited, and the test result is difficult to store and is inconvenient for post analysis.

Disclosure of Invention

Aiming at the technical problems, the technical problems to be solved by the invention are as follows: how to greatly improve the outfield test efficiency of the aeroMACS router so as to quantitatively test the performance of the router and provide reference for a network coverage optimization scheme.

The invention provides a method and a system for testing outfield performance of an Aero MACS router, which comprises the Aero MACS router and an android mobile terminal with a GPS/BD positioning function, wherein the Aero MACS router and the android mobile terminal are fixed at the same position and establish communication connection, and the android mobile terminal is used for acquiring signal parameters of the Aero MACS router;

the acquisition process comprises the following steps:

(1) starting a timer when a signal for acquiring signal parameters is detected, and starting to acquire the signal parameters of the AeroMACS router;

(2) judging whether a signal for stopping acquisition is received, if so, closing a timer, and if not, entering the step (3);

(3) reading signal parameter data of the AeroMACS router when the timer is full of 1 s;

(4) and reading the positioning information data of the android terminal.

The signal parameters comprise RSSI, CINR, TX Power, BS ID operation state, modulation mode and transmitting Power.

Furthermore, the method also comprises the step of fusing the signal parameters and the positioning information data, and as the router does not have the capability of providing position information externally, the signal parameters and the position information can be matched and are convenient to identify by collecting the position information of the android mobile terminal as the position information of the router and fusing the position information with the AeroMACS signal parameters.

Furthermore, the method also comprises the step of drawing dynamic graphs of the RSSI and the CINR in terms, so that the parameter information can be conveniently and visually displayed.

Furthermore, the method also comprises the step of plotting RSSI (Received Signal strength indication) and CINR (Carrier to Interference plus Noise Ratio) traces on the GIS map respectively.

Furthermore, the method also comprises the step of recording the acquired parameter signals line by line according to the sequence of time, longitude and latitude, router MAC address, connection state, base station MAC address, frequency point, RSSI, transmitting power, Preamble CINR, uplink modulation and ping packet delay and storing the recorded parameter signals in the local of the android mobile terminal so as to acquire and display the parameter signals periodically.

The invention also provides a system for testing the outfield performance of the Aero MACS router, which comprises the Aero MACS router and an android mobile terminal, wherein the android mobile terminal comprises test software and display equipment, and the test software is in communication connection with the display equipment and the Aero MACS router.

Furthermore, the test software comprises a signal parameter acquisition module, a position data acquisition module, a GIS map trace drawing module, a dynamic curve drawing module and a test data storage module.

Furthermore, the test software further comprises an AeroMACS signal reading interface, a position data reading interface, an off-line map file reading interface and a test data storage interface.

Furthermore, the display device comprises three interfaces, namely parameter subentry display, dynamic curve drawing and GIS map visual display.

By adopting the technical scheme, the invention has the beneficial effects that: the method can record information such as signal parameters, position information, network ping packet delay and the like periodically, visually display the fluctuation conditions of the RSSI and CINR values of the router in a curve form, and visually display the communication performance of the router under the condition of different distance ranges from a base station by combining the RSSI, CINR and packet loss rate curves drawn on a GIS map.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a router test software flow of the present invention;

FIG. 2 is a functional block diagram of router test software;

fig. 3 is a schematic diagram of an external interface of the router test software.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The invention discloses a method and a system for testing the outfield performance of an Aero MACS router, which comprise the Aero MACS router and an Android mobile terminal with a GPS/BD positioning function, wherein router testing software is installed on the Android mobile terminal, the programming language adopted by the router testing software is JAVA, a compiling tool is Android Studio, and the lowest supportable Android version is 6.0. The software development is that a host machine is a workstation of a WIN7 system, a target machine operated by the software is an android mobile terminal with a GPS/BD positioning function, the specific functions are shown in figure 2, and the method comprises router signal parameter acquisition, router position data acquisition, GIS map point trace drawing, dynamic curve drawing and test data storage. The aeroMACS router and the android mobile terminal are fixed at the same position of the ground service vehicle, communication connection is established through WiFi, and the android mobile terminal is used for collecting signal parameters of the aeroMACS router.

In general, since coverage of a base station is different in different areas of an airport scene, a communication distance between an AeroMACS router and the base station is dynamically changed, and parameters such as RSSI and CINR transmission power are also dynamically changed when a subway vehicle moves in the airport scene. Therefore, based on this situation, the specific steps of the present invention for acquiring the router signal parameters are as shown in fig. 1:

(4) the positioning information data of the android terminal is read, and the router does not have the GPS/BD positioning function, so that the android terminal and the router are fixed at the same position of the vehicle, and the position of the android terminal can be used as the position of the router.

The router periodically collects signal parameters through an external software interface, wherein the signal parameters comprise AeroMACS signal parameters such as RSSI, CINR, TXPower, BS ID running state, modulation mode, emission power and the like.

Furthermore, the method also comprises the step of fusing the collected signal parameters and the positioning information data, and the router does not have the capacity of providing position information externally, so that the signal parameters and the position information can be matched and are convenient to identify by collecting the position information of the android mobile terminal as the position information of the router and fusing the position information and the AeroMACS signal parameters.

Furthermore, the method also comprises the step of drawing an RSSI dynamic curve and a CINR dynamic curve in different areas, wherein the abscissa is time, and the ordinate is an RSSI/CINR value, and the dynamic curve of the test item can be repeatedly drawn for many times, and the name of the test item is distinguished and marked by colors so as to be convenient for visually showing the parameter information.

Furthermore, the method also comprises the steps of marking three different grades by using three different colors of green, yellow and red on the GIS map according to the measured values of the RSSI and the CINR respectively, and drawing the traces of the points.

Furthermore, the method also comprises the step of using the text file to store the test data according to the following steps: time (accurate to second), longitude and latitude, router MAC address, connection state, base station MAC address, frequency point, RSSI, emission power, Preamble CINR, uplink modulation, downlink modulation and ping packet delay are recorded line by line and stored locally in the android mobile terminal.

In order to facilitate the implementation of the method of the invention, the invention also provides an aeroMACS router outfield performance test system, which comprises the aeroMACS router and an android mobile terminal, wherein the android mobile terminal comprises test software and display equipment, and the test software is in communication connection with the display equipment and the aeroMACS router. As shown in fig. 3, the test software further includes an AeroMACS signal reading interface, a position data reading interface, an offline map file reading interface, and a test data saving interface.

The parameters displayed on the parameter subentry display interface comprise router MAC addresses, connection states, base station MAC addresses, frequency points, RSSI, transmission power, Preamble CINR, uplink modulation, downlink modulation and ping packet time delay, and the router IP and the ping packet IP can be configured and 'test environment description' can be edited.

And drawing the RSSI dynamic curve and the CINR dynamic curve in different areas by the dynamic curve drawing interface, wherein the abscissa is time, and the ordinate is the RSSI/CINR value, and the dynamic curve of a plurality of test items can be cumulatively drawn, and the test items are distinguished by colors and the names of the test items are marked.

And fusing the signal data with geographical position data, marking three different grades by using three different colors of green, yellow and red on a GIS map according to the measured values of the RSSI and the CINR respectively, drawing traces, and marking the RSSI and the CINR by using a label.

While the foregoing description shows and describes a preferred embodiment of the invention, it is to be understood, as noted above, that the invention is not limited to the form disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and may be modified within the scope of the inventive concept described herein by the above teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A method for testing outfield performance of an Aero MACS router comprises the Aero MACS router and an android mobile terminal with a GPS/BD positioning function, wherein the Aero MACS router and the android mobile terminal are fixed at the same position and establish communication connection, and the method is characterized in that: the android mobile terminal is used for acquiring signal parameters of the AeroMACS router;

the acquisition process comprises the following steps:

(4) and reading the positioning information data of the android terminal.

2. The aeroMACS router outfield performance testing method according to claim 1, characterized in that: the signal parameters comprise RSSI, CINR, TX Power, BS ID operation state, modulation mode and transmitting Power.

3. The aeroMACS router outfield performance testing method according to claim 2, characterized in that: and fusing the signal parameters and the positioning information data.

4. The aeroMACS router outfield performance testing method according to claim 2, characterized in that: and further comprising a dynamic graph for plotting RSSI and CINR in terms of items.

5. The AeroMACS router outfield performance testing method according to claim 2, further comprising a GIS map, characterized in that: and respectively drawing the traces of the RSSI and the CINR on the GIS map.

6. The aeroMACS router outfield performance testing method according to claim 1, characterized in that: and recording the acquired parameter signals line by line according to the sequence of time, longitude and latitude, router MAC address, connection state, base station MAC address, frequency point, RSSI, transmission power, Preamble CINR, uplink modulation and ping packet delay and storing the parameter signals in the local of the android mobile terminal.

7. A system for testing outfield performance of an Aero MACS router comprises the Aero MACS router and an android mobile terminal, and is characterized in that: the android terminal comprises test software and display equipment, wherein the test software is in communication connection with the display equipment and the AeroMACS router.

8. The AeroMACS router outfield performance testing system of claim 7, wherein: the test software comprises a signal parameter acquisition module, a position data acquisition module, a GIS map trace drawing module, a dynamic curve drawing module and a test data storage module.

9. The AeroMACS router outfield performance testing system of claim 7, wherein: the test software also comprises an AeroMACS signal reading interface, a position data reading interface, an off-line map file reading interface and a test data storage interface.

10. The AeroMACS router outfield performance testing system of claim 7, wherein: the display equipment comprises three interfaces, namely parameter subentry display, dynamic curve drawing and GIS map visual display.