阅读说明：本技术 一种基站天线工参设备检测接收gnss信号性能的方法 (Method for detecting performance of receiving GNSS signals by base station antenna parameter equipment ) 是由 农海革 徐娟娟 姜召波 张海军 黄光辉 于 2021-08-31 设计创作，主要内容包括：本发明提供了一种基站天线工参设备检测接收GNSS信号性能的方法,包括室内环境和室外环境对工参设备进行测试,配置信号源、发射天线、多个工参设备和计算机,多个工参设备与多串口集线器装置连接,所述多串口集线器装置与计算机连接,将选取其中一台工参设备的参考样机安装到可密闭的装置内,运行计算机的GNSS信号性检测模块获得参考样机的测试数据,再运行多个工参设备获取到的数据与参考样机的数据进行对比是否一致。本发明的有益效果是：通过检测工参设备接收GNSS信号性能,筛选出满足适用于基站天线安装环境的设备,确保安装在基站天线工参设备接收GNSS信号性能高,避免实时监听基站天线的工参误差大等现象,导致维护人员产生误判。(The invention provides a method for detecting performance of receiving GNSS signals by base station antenna parameter equipment, which comprises testing the parameter equipment in an indoor environment and an outdoor environment, configuring a signal source, a transmitting antenna, a plurality of parameter equipment and a computer, wherein the plurality of parameter equipment is connected with a multi-serial port concentrator device, the multi-serial port concentrator device is connected with the computer, installing a reference prototype selecting one of the parameter equipment into a sealable device, operating a GNSS signal detection module of the computer to obtain test data of the reference prototype, and then operating the plurality of parameter equipment to obtain whether the data is consistent with the data of the reference prototype or not. The invention has the beneficial effects that: through detecting the performance of the power parameter equipment for receiving the GNSS signals, the equipment which is suitable for the installation environment of the base station antenna is screened out, the performance of the power parameter equipment installed on the base station antenna for receiving the GNSS signals is high, and the phenomenon that the power parameter error of the base station antenna monitored in real time is large and the like, which causes erroneous judgment of maintenance personnel, is avoided.)

1. A method for detecting performance of receiving GNSS signals by base station antenna parameter equipment is characterized by comprising the steps of testing the parameter equipment in an indoor environment and an outdoor environment, wherein a signal source, a transmitting antenna, a plurality of parameter equipment and a computer are configured in the indoor environment, the plurality of parameter equipment is connected with a multi-serial hub device, the multi-serial hub device is connected with the computer, the signal source and the transmitting antenna are connected through a radio frequency wire before detection, the signal source is electrified, and a signal source output frequency band, transmitting power and a signal output mode are set; electrifying the transmitting antenna, installing a reference prototype of one selected working parameter device into the sealable device, and simultaneously supplying power to the reference prototype; electrifying the multi-serial port concentrator device and the computer, and operating a GNSS signal detection module of the computer; the detection method comprises the following steps:

setting a serial number of a GNSS signal performance test module and a threshold value of GNSS signal quality, and acquiring signal quality information and satellite number acquired by a reference prototype;

the GNSS signality detection module sends a command for operating and acquiring the reference prototype to the multi-serial hub device through the serial port, and the command is forwarded to the reference prototype by the multi-serial hub device;

the multi-serial hub device sends a command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the acquired original observed quantity to the multi-serial hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection module;

after receiving the original observed quantity of the reference prototype, the GNSS signal performance detection module analyzes data of each packet, stores the number of satellites with the signal quality of the original observed quantity being a threshold value when the reference prototype is stable, and prompts completion;

replacing the tests of M test devices, prompting the test results of N test devices through a GNSS signal performance detection module, comparing the test results with the test results of a reference prototype, and prompting the devices to be abnormal if the comparison is successful and the indoor test is passed and the comparison is failed;

wherein M is a natural number.

2. The method as claimed in claim 1, wherein one end of the multi-serial hub device communicates with multiple working parameter devices through TTL, and the other end communicates with a PC through RS232, and the method mainly controls IO to switch serial ports and data transparent transmission, and transmits the original observed quantity of the GNSS signals received by the device to the PC, and transmits a PC command to the multiple working parameter devices.

3. The method as claimed in claim 1, wherein the apparatus is a closed-cover apparatus, a transmitting antenna is fixed on top of the apparatus, and an input end of the transmitting antenna is connected to an output end of the signal source through a radio frequency line.

4. The method as claimed in claim 1, wherein the signal source sets the output frequency band to 1575.42Mhz, the transmission power to-85 dBm, and the multi-constellation-mode signal output.

5. The method as claimed in claim 1, wherein the GNSS signal performance test module is configured to set the serial number used by the multi-serial hub device, and the threshold of the GNSS signal quality is 40.

6. The method for detecting the performance of the received GNSS signal by the base station antenna parameter device according to claim 1, characterized by further comprising an outdoor test method, firstly connecting the reference prototype with the multi-serial hub device, supplying power to the reference prototype, the multi-serial hub device and the PC, and operating the GNSS signal performance detection module of the PC, wherein the method comprises the following steps:

the GNSS signal performance testing module sets threshold values of serial numbers and GNSS signal quality to acquire a signal quality value and satellite number acquired by a reference prototype;

the computer sends a command for operating and acquiring the reference prototype to the multi-serial hub device through the serial port, and the command is forwarded to the reference prototype by the multi-serial hub device;

the multi-serial hub device sends a command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the acquired original observed quantity to the multi-serial hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection module;

after receiving the original observed quantity of the reference sample machine, the GNSS signal performance detection module analyzes data of each packet, stores the number of satellites with the set signal quality value of the original observed quantity when the reference sample machine is stable, and prompts completion;

after the reference model is obtained, taking out the reference model machine, and installing N devices to be tested;

clicking a GNSS signal performance detection module to start detection, directly prompting test results of N test devices, comparing the test results with test results of a reference prototype, if the comparison is successful, passing the indoor test, and if the comparison is failed, prompting that the devices are abnormal;

wherein N is a natural number.

7. The method as claimed in claim 6, wherein one end of the multi-serial hub device communicates with multiple working parameter devices through TTL, and the other end communicates with a PC through RS232, which mainly controls IO switching serial ports and data transparent transmission, transmits the original observed quantity of the device receiving GNSS signals to the PC, and transmits PC commands to multiple working parameter devices disposed in the device.

8. The method as claimed in claim 6, wherein the signal source sets the output frequency band to 1575.42Mhz, the transmission power to-85 dBm, and the multi-constellation-mode signal output.

9. The method as claimed in claim 6, wherein the GNSS signal performance test module is set to a serial number used by the multi-serial hub device, and the threshold of the GNSS signal quality is 40.

Technical Field

The invention relates to the technical field of mobile communication, in particular to a method for detecting the performance of GNSS signal receiving of base station antenna parameter equipment in a production process.

Background

With the development of mobile communication technology, 4G technology has been widely used, 5G technology is being greatly expanded, and operators are increasing in the construction of base station antennas and are also increasing in the maintenance of base station antennas. The original method for measuring the working parameters by manually climbing the tower has the disadvantages of high operation complexity, high difficulty, low accuracy and low efficiency. A mobile operator provides a method for acquiring the work parameters of the base station antenna and then uploading the work parameters to a platform to realize the fine management of the network. Because, the industrial parameter equipment is installed on the base station antenna and is used for monitoring the physical state parameters (longitude and latitude, height, direction angle and dip angle) of the base station antenna in real time.

Most of the patents of the base station antenna parameter equipment in the market are designed for parameter acquisition, such as CN 111413550A, CN 209399971U, CN 111416652A, CN110086843A and CN 209375936U, CN 209265216U, and the performance detection of receiving GNSS signals in the production process of the base station antenna parameter equipment is not solved. However, the current method adopts a large error of working parameters of the real-time monitoring base station antenna, which causes erroneous judgment of maintenance personnel.

Disclosure of Invention

In order to solve the problems, the invention provides a method for detecting the performance of receiving GNSS signals in the production process of base station antenna parameter equipment, aiming at the production process of the base station antenna parameter equipment. The technical scheme is as follows.

A method for detecting performance of receiving GNSS signals by base station antenna work parameter equipment comprises testing the work parameter equipment in an indoor environment and an outdoor environment, wherein a signal source, a transmitting antenna, a plurality of work parameter equipment and a computer are configured in the indoor environment, the plurality of work parameter equipment is connected with a multi-serial port concentrator device, the multi-serial port concentrator device is connected with the computer, the signal source and the transmitting antenna are connected through a radio frequency wire before detection, the signal source is electrified, and a signal source output frequency band, transmitting power and a signal output mode are set; electrifying the transmitting antenna, installing a reference prototype of one selected working parameter device into the sealable device, and simultaneously supplying power to the reference prototype; electrifying the multi-serial port concentrator device and the computer, and operating a GNSS signal detection module of the computer; the detection method comprises the following steps:

setting a serial number of a GNSS signal performance test module and a threshold value of GNSS signal quality, and acquiring signal quality information and satellite number acquired by a reference prototype;

the GNSS signality detection module sends a command for operating and acquiring the reference prototype to the multi-serial hub device through the serial port, and the command is forwarded to the reference prototype by the multi-serial hub device;

the multi-serial hub device sends a command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the acquired original observed quantity to the multi-serial hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection module;

after receiving the original observed quantity of the reference prototype, the GNSS signal performance detection module analyzes data of each packet, stores the number of satellites with the signal quality of the original observed quantity being a threshold value when the reference prototype is stable, and prompts completion;

replacing the tests of M test devices, prompting the test results of N test devices through a GNSS signal performance detection module, comparing the test results with the test results of a reference prototype, and prompting the devices to be abnormal if the comparison is successful and the indoor test is passed and the comparison is failed;

wherein M is a natural number.

The method comprises the following steps of firstly connecting a reference prototype with a multi-serial hub device, supplying power to the reference prototype, the multi-serial hub device and a PC, and operating a GNSS signal detection module of the PC, wherein the method comprises the following steps:

the GNSS signal performance testing module sets threshold values of serial numbers and GNSS signal quality to acquire a signal quality value and satellite number acquired by a reference prototype;

the computer sends a command for operating and acquiring the reference prototype to the multi-serial hub device through the serial port, and the command is forwarded to the reference prototype by the multi-serial hub device;

the multi-serial hub device sends a command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the acquired original observed quantity to the multi-serial hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection module;

after receiving the original observed quantity of the reference sample machine, the GNSS signal performance detection module analyzes data of each packet, stores the number of satellites with the set signal quality value of the original observed quantity when the reference sample machine is stable, and prompts completion;

after the reference model is obtained, taking out the reference model machine, and installing N devices to be tested;

clicking a GNSS signal performance detection module to start detection, directly prompting test results of N test devices, comparing the test results with test results of a reference prototype, if the comparison is successful, passing the indoor test, and if the comparison is failed, prompting that the devices are abnormal;

wherein N is a natural number.

The invention has the beneficial effects that: through detecting the performance of the power parameter equipment for receiving the GNSS signals, the equipment which is suitable for the installation environment of the base station antenna is screened out, the performance of the power parameter equipment installed on the base station antenna for receiving the GNSS signals is high, and the phenomenon that the power parameter error of the base station antenna monitored in real time is large and the like, which causes erroneous judgment of maintenance personnel, is avoided.

Drawings

FIG. 1 is a block diagram of an indoor testing system according to an embodiment of the present invention.

FIG. 2 is a flow chart of an indoor test according to an embodiment of the present invention.

FIG. 3 is a block diagram of an outdoor testing system according to an embodiment of the present invention.

Fig. 4 is a flowchart of an outdoor test according to an embodiment of the present invention.

Detailed Description

The present invention is further illustrated by the following examples, which are only a part of the examples of the present invention, and these examples are only for explaining the present invention and do not limit the scope of the present invention.

A method for detecting performance of receiving GNSS signals in a production process of base station antenna parameter equipment is suitable for detecting performance of receiving GNSS signals in the production process of the base station antenna parameter equipment, and the detection mode comprises the following steps: indoor signal source condition testing and outdoor testing.

As shown in fig. 1, the testing system for indoor signal source condition testing includes:

a signal source: a signal generator with the model number of E4438C is adopted, signals with the frequency band of 1575.42MHz, the transmitting power of-85 dBm and a multi-constellation mode are output, and the signals are connected to the input end of a transmitting antenna through a radio frequency line.

Computer (PC): for running GNSS signal performance detection tools.

The closed cover device for placing 5 industrial parameter devices and fixing the transmitting antenna comprises: the top of the transmission antenna is fixed, and the input end of the transmission antenna is connected with the output end of the E4438C signal source through a radio frequency line; 5 pieces of work parameter equipment can be placed at the bottom, and the work parameter equipment is connected with the multi-serial port concentrator device through TTL.

Multi-serial hub device: one end of the wireless sensor network is communicated with a closed cover device which is used for placing 5 industrial parameter devices and a fixed transmitting antenna through TTL, the other end of the wireless sensor network is communicated with a PC through RS232, the wireless sensor network is mainly used for controlling each IO to switch serial ports and data transmission, original observed quantity of GNSS signals received by the devices is transmitted to the PC, and meanwhile commands of the PC are transmitted to the 5 industrial parameter devices placed in the closed cover device.

The following detailed description of the indoor testing of the present invention is provided in conjunction with fig. 2. Before the test is started, a signal source E4438C is connected with a transmitting antenna by a radio frequency line, the signal source E4438C is electrified, and the signal output frequency band of the signal source is 1575.42Mhz, the transmitting power is-85 dBm, and the multi-constellation mode signal is output.

Step S101: and (3) electrifying the transmitting antenna, installing the reference machine of 1 working parameter device into the sealable device, and simultaneously supplying power to the reference prototype.

Step S102: and connecting the multi-serial port device with the PC by using RS232 data, simultaneously electrifying the multi-serial port device and the PC, and operating a GNSS signal detection tool of the PC.

Step S103: the GNSS signal performance testing tool is set to be a serial port number adopted by the multi-serial port device, the threshold value of the GNSS signal quality is 45, and a reference prototype is clicked to acquire the signal quality and the satellite number.

Step S104: the PC sends the command for operating and acquiring the reference prototype to the multi-serial port line concentrator through the serial port, and the command is forwarded to the reference prototype by the multi-serial port line concentrator.

Step S105: the multi-serial port hub device sends the command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the collected original observed quantity to the multi-serial port hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection tool.

Step S106: and after receiving the original observed quantity of the reference prototype, the GNSS signal performance detection tool analyzes data of each packet, stores the number of satellites with the signal quality of 45 of the original observed quantity when the reference prototype is stable, and prompts completion.

Step S107: and after the reference sample is obtained, closing the power supply of the equipment of the sealable device, taking out the reference sample machine, installing 5 pieces of equipment to be tested, and reopening the power supply of the equipment of the sealable device.

Step S108: the GNSS signal performance detection tool is clicked to start detection, the test results of 5 pieces of test equipment are directly prompted, if the test results are successful, the indoor test is passed, and if the test results are failed, the equipment is abnormal

The indoor test aims at verifying the quality of hardware of the equipment in a simulated satellite environment.

As shown in fig. 3, an outdoor testing system of a method for detecting performance of a received GNSS signal during a process of manufacturing a base station antenna parameter device includes:

computer (PC): for running GNSS signal performance detection tools.

Placing a plurality of industrial parameter equipment devices: the device is used for placing 10 working parameter devices, and each device is connected with a multi-serial-port concentrator device through TTL.

Multi-serial hub device: one end of the device communicates with a device for placing 10 work parameter devices through TTL, the other end communicates with a PC through RS232, and the device mainly controls IO switching serial ports and data transmission, transmits original observed quantity of GNSS signals received by the device to a computer, and simultaneously transmits computer commands to a plurality of work parameter devices placed in the device.

The following describes the invention in detail with reference to fig. 4 for outdoor testing.

Step S201: the reference machine of 1 machine reference equipment is arranged on a device capable of placing a plurality of equipment, and power is supplied to the reference prototype at the same time.

Step S202: and connecting the multi-serial port device with the PC by using RS232 data, simultaneously electrifying the multi-serial port device and the PC, and operating a GNSS signal detection tool of the PC.

Step S203: the GNSS signal performance testing tool is set to be a serial port number adopted by the multi-serial port device, the threshold value of the GNSS signal quality is 40, and a reference prototype is clicked to acquire the signal quality and the satellite number.

Step S204: the PC sends the command for operating and acquiring the reference prototype to the multi-serial port line concentrator through the serial port, and the command is forwarded to the reference prototype by the multi-serial port line concentrator.

Step S205: the multi-serial port hub device sends the command to the reference prototype through TTL, and after receiving the command, the reference prototype returns the collected original observed quantity to the multi-serial port hub device at the frequency of 1Hz and transmits the original observed quantity to the GNSS signal performance detection tool.

Step S206: and after receiving the original observed quantity of the reference prototype, the GNSS signal performance detection tool analyzes data of each packet, stores the number of satellites with the signal quality of 40 of the original observed quantity when the reference prototype is stable, and prompts completion.

Step S207: and after the reference model is obtained, closing the power supply of the plurality of equipment devices of the placeable equipment, taking out the reference model, installing the 10 pieces of equipment to be tested, and reopening the power supply of the plurality of equipment devices of the placeable equipment.

Step S208: and clicking the GNSS signal performance detection tool to start detection, directly prompting the test results of 10 test devices, if the indoor test is successful, passing the indoor test, and if the indoor test is failed, indicating that the devices are abnormal.

The purpose of the outdoor test is to verify the performance of the device for receiving GNSS signals in an actual satellite environment.

By the indoor and outdoor detection method, a batch of work parameter equipment can be detected at the same time, the GNSS signal receiving performance of the work parameter equipment is detected, equipment which is suitable for the installation environment of the base station antenna is screened out, the high GNSS signal receiving performance of the work parameter equipment installed on the base station antenna is ensured, and the phenomenon that the error of work parameter monitoring of the base station antenna in real time is large and the like is avoided, so that maintenance personnel can make misjudgment.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.