CN103298015B - The detection method and system of base station and hard emulator - Google Patents

Abstract

The present invention provides a detection method and system of a base station and a hardware simulation device. The detection method of the base station includes: the hardware simulation device sends a start test command to the drive test device, and sends the drive test to the drive test device at regular intervals. The location message of each terminal under the device; the hard emulation device receives the test result reported by the drive test device, and the test result is obtained by the drive test device according to the test plan in the test plan file obtained and the hard emulation The location message of each terminal under the drive test device issued by the device is the drive test data obtained after the drive test is performed on each terminal under the drive test device; the hardware simulation device detects the performance of the base station according to the test result. The above base station detection method and system and hard emulation equipment, on the basis of network emulation by the hard emulation equipment, are combined with drive test equipment to realize the test of the base station, so as to detect the performance and existing problems of the base station.

Description

Detection method and system of base station and hardware simulation equipment

technical field

The invention relates to the technical field of wireless simulation, in particular to a base station detection method and system and hardware simulation equipment.

Background technique

With the development of wireless communication technology, the wireless simulation technology used in wireless communication system is also getting more and more advanced.

Wireless simulation equipment, especially hard simulation equipment for real-time channel simulation, can simulate real network channels and can be used for system equipment testing and new technology research. When testing the system equipment, it is necessary to use the channel emulated by the hardware emulation equipment to conduct a drive test to verify the performance of the system equipment and expose existing problems.

Contents of the invention

The embodiment of the present invention provides a detection method and system of a base station and hardware simulation equipment, so as to check the performance and existing problems of the system equipment.

An embodiment of the present invention provides a detection method for a base station, the method comprising:

The hardware emulation device sends a start test command to the drive test device, and regularly sends the location information of each terminal under the drive test device to the drive test device;

The hard emulation device receives the test result reported by the drive test device, and the test result is the drive test device issued by the drive test device according to the test plan in the obtained test plan file and the hard emulation device. The location information of each terminal is the drive test data obtained after the drive test is performed on each terminal under the drive test device;

The hardware simulation device detects the performance of the base station according to the test result.

Preferably, before the hard emulation device receives the test result reported by the drive test device, the method further includes:

The hardware emulation device receives a reply message of the location message sent by the drive test device, and determines that the communication link is normal according to the time information of the location message contained in the reply message.

Preferably, the hardware simulation device receiving the test results reported by the drive test device includes:

The hardware emulation device regularly or in real time receives the test result reported by the drive test device; or

The hardware emulation device finally receives all test results reported by the drive test device.

Preferably, the drive test data includes the signal strength of the terminal for sending and receiving, call drop rate and switching times.

Preferably, before the hardware emulation device regularly sends the location information of each terminal under the drive test device to the drive test device, the method further includes:

The hardware emulation device receives the initialization request message sent by the drive test device, and replies an initialization response message to the drive test device;

The hardware emulation device receives the initialization success message replied by the drive test device, the initialization success message is that the drive test device obtains the initial location information and the information of the test plan file from the initialization response message, and determines the The test plan file mentioned above is the latest test plan file.

Preferably, the initialization response message includes the serial number, identification code and initial location information of the terminal under the drive test device, as well as the information of the test plan file of each terminal;

The initialization success message is the information that the drive test device obtains the test plan file from the initialization response message. The hard emulation device server downloads the latest test plan file and replies; or, after confirming that the test plan file saved by itself is the same as the test plan file saved by the hard emulation device server.

The embodiment of the present invention also provides a kind of hardware emulation equipment, and this equipment comprises:

A sending module, configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device;

The receiving module is configured to receive the test result reported by the drive test device, the test result is the test plan issued by the drive test device according to the obtained test plan file and the test plan issued by the sending module. The drive test data obtained after the drive test is performed on each terminal under the drive test device based on the position information of each terminal;

A detection module, configured to detect the performance of the base station according to the test result.

An embodiment of the present invention further provides a detection system for a base station, including a hard emulation device, a base station and a terminal connected to the hard emulation device, and a drive test device respectively connected to the terminal and the hard emulation device, wherein :

The hardware emulation device is configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device; receive the information reported by the drive test device Test results, and detect the performance of the base station according to the test results;

The drive test device is configured to conduct a road test for each terminal under the drive test device according to the test plan in the obtained test plan file and the location message of each terminal under the drive test device issued by the hardware simulation device. Obtain the drive test data after the test, and send the test result including the drive test data to the hard emulation device.

Preferably, the drive test device is further configured to send an initialization request message to the hard simulation device, and receive an initialization response message replied by the hard simulation device, and obtain initial location information and test information from the initialization response message. plan file information, and after determining that the test plan file is the latest test plan file, reply initialization success message to the hard emulation device;

The hardware emulation device is further configured to receive an initialization request message sent by the drive test device, and reply an initialization response message to the drive test device; and receive an initialization success message returned by the drive test device, and receive all After the initialization success message replied by the drive test device, the start test command is sent.

Preferably, the base station and the terminal are connected to the hard emulation device through a cable, the terminal is connected to the drive test device through a data line, and the hard emulation device is connected to the drive test device through a router.

The above base station detection method and system and hard emulation equipment, on the basis of network emulation by the hard emulation equipment, are combined with drive test equipment to realize the test of the base station, so as to detect the performance and existing problems of the base station.

Description of drawings

Fig. 1 is the connection diagram of embodiment of hardware emulation equipment and drive test equipment of the present invention;

Fig. 2 is the signaling flow chart of the initialization embodiment of hardware emulation equipment and drive test equipment of the present invention;

Fig. 3 is a signaling flowchart of an embodiment of performing a drive test by a hardware emulation device and a drive test device according to the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

An embodiment of the present invention provides a detection system for a base station, including a hard emulation device, a base station and a terminal connected to the hard emulation device, and a drive test device respectively connected to the terminal and the hard emulation device, wherein:

The hardware emulation device is configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device; receive the information reported by the drive test device Test results, and detect the performance of the base station according to the test results;

The drive test device is configured to conduct a road test for each terminal under the drive test device according to the test plan in the obtained test plan file and the location message of each terminal under the drive test device issued by the hardware simulation device. Obtain the drive test data after the test, and send the test result including the drive test data to the hard emulation device.

In addition, the hard emulation device starts testing only after receiving the initialization success messages sent by all drive test devices. Therefore, the drive test device is also used to send an initialization request message to the hard emulation device, and receive the The initialization response message that the hardware emulation device replies, obtains initial location information and the information of the test plan file from the initialization response message, and confirms that the test plan file is the latest test plan file and then replies to the hard simulation device an initialization success message; the hardware emulation device is further configured to receive an initialization request message sent by the drive test device, and reply an initialization response message to the drive test device; and receive an initialization success message returned by the drive test device, And send the start test command after receiving the initialization success message replied by all drive test devices.

As shown in Figure 1, it is the connection relationship diagram of the embodiment of the hard emulation equipment and the drive test equipment of the present invention. In the iNES hard emulation system, the base station (eNB) and the terminal (UE) that need to test the system equipment are connected to the hard emulation system through cables. On the simulation device, the terminal is connected to the USB interface of the computer through a data cable. The computer is the drive test device running the drive test software to control the terminal to perform the drive test. The drive test software used in this embodiment is Communication Network Test (CNT). In this embodiment, each CNT can manage 4 to 6 UEs; the hardware emulation device and the drive test device form a wireless local area network through a wireless router, and perform the process through a standard Transmission Control Protocol (TCP)/Internet Protocol (IP) protocol stack. message exchange. The hardware emulation device is the control center, which simulates the drive test in the field by controlling the hardware emulation device and the drive test software to coordinate their work. Of course, the hardware emulation device and the drive test device can be connected by wire.

In addition, the hardware emulation device in the above system may include a sending module, a receiving module and a detection module, wherein:

A sending module, configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device;

The receiving module is configured to receive the test result reported by the drive test device, the test result is the test plan issued by the drive test device according to the obtained test plan file and the test plan issued by the sending module. The drive test data obtained after the drive test is performed on each terminal under the drive test device based on the position information of each terminal;

A detection module, configured to detect the performance of the base station according to the test result.

The above system uses hardware simulation equipment to simulate the real wireless network environment. On this basis, it uses drive test software to conduct drive test. The process includes:

Step 1, the drive test device sends an initialization request message to the hard emulation device, and the hard emulation device returns an initialization response message to the drive test device;

Step 2, the drive test device obtains the initial GPS position information and the information of the test plan file from the initialization response, and downloads the test plan file from the hard emulation device; after the drive test device is ready, it sends an initialization success message to the hard emulation device;

The above steps 1 and 2 are optional steps;

Step 3: After receiving the initialization success messages of all drive test devices, the hardware emulation device sends a command to start drive test, and regularly sends GPS messages of each terminal to the drive test device;

Step 4: After the drive test device receives the start drive test message, it starts the drive test, and updates the location information of the terminal according to the GPS message;

Step 5. The hard emulation device can choose to let the drive test device feed back the test results in real time or report the test results of the entire drive test process after the test;

The hardware simulation equipment detects the performance of equipment such as base stations according to the test results;

Step 6: The hardware emulation device sends a test end command to notify the drive test device to end the drive test, and the test ends.

The above-mentioned method of using hard emulation equipment for system equipment testing makes full use of the characteristics of hard emulation equipment that can simulate network-level wireless channels, which can save the field cost required for system equipment testing, and is very positive for product stability as soon as possible and saving R&D costs. effect.

As shown in Figure 2, it is a signaling flowchart of an initialization embodiment of a hard emulation device and a drive test device of the present invention, and the process includes:

Step 201, after the drive test device is powered on, it first sends an initialization request to the hardware emulation device;

Step 202, after the hard emulation device receives the initialization request message, and the hard emulation device itself has been successfully powered on, it sends a UE initialization response message to the drive test device. The content of the initialization response message includes the number of the UE that the drive test device can manage, UE The identification code, the initial GPS position of each UE under the drive test device, and the information and position of the test plan file of each UE under the drive test device. The file that the hard emulation device customizes the test plan and forms is the test plan file, and this file is placed on the file transfer protocol (FTP) server side of the hard emulation device;

Steps 203-204, the backend of the drive test device first checks whether the UE connected to itself is correct according to the UE identification code, and sets the UE number, and checks the existing test plan file according to the UE number, if the drive test device already has a test plan file It is the same as that of the hard emulation device, and there is no need to download, otherwise, download the test plan file from the hard emulation device through FTP according to the file name and address provided by the initialization message. Finally, the drive test device sets an initial GPS address for each UE according to the initialization message;

Step 205 , when the drive test device is successfully initialized, respond to the hardware emulation device with a successful initialization message.

When the hardware emulation device receives all the drive test device initialization success responses, it considers that the initialization process is over.

As shown in Figure 3, it is the signaling flow chart of the hard simulation device and the drive test device of the present invention for the drive test embodiment. After the hard simulation device and the drive test device are initialized successfully, the hard simulation device enters the workbench, and the The simulation device simulates the outside field for drive test. The drive test process is as follows:

Step 301, the hardware emulation device broadcasts a start command to the background of the drive test device;

Step 302, after the drive test device background receives the command, it performs a drive test according to the test plan in the test plan file. After the drive test is started, the hardware emulation device sends the GPS latitude and longitude information of all UEs to the drive test device every second. The message is called a GPS message;

Step 303: After receiving the information, the drive test device updates the GPS latitude and longitude information of the UE under it. The GPS message not only contains the GPS latitude and longitude information, but also includes the time information. After the drive test device receives the message, it needs to reply to the message and carry the time information sent by the GPS message, so that the hardware simulation device can check whether it is in time. Receive a reply message to determine whether the link is normal;

Step 304, if it is necessary to report the test result of the drive test device, when replying, not only the time information sent by the GPS message needs to be carried, but also the drive test data of the drive test device needs to be reported, and the drive test data includes sending and receiving signal strength, dropped calls Rate, switching times, etc., for the use of hard emulation equipment;

Step 305, when the test ends, the hardware emulation device broadcasts an end command to the drive test device to end the test.

The message communication between the hard emulation device and the drive test device is based on a reliable communication transmission protocol. In this embodiment, it is based on the TCP communication protocol. The message structure between the hard emulation device and the drive test device includes: The message number, indicating which message it is. The message length indicates the number of bytes that the message is in. After that is the specific content of the message. Such as: CNT number, UE format corresponding to CNT, UE number, UE identification code, initial GPS latitude and longitude information of UE. The file path, file name, file length and file type, etc. where the test plan file is located.

Those skilled in the art can understand that all or part of the steps in the above method can be completed by instructing related hardware through a program, and the above program can be stored in a computer-readable storage medium, such as a read-only memory, a magnetic disk or an optical disk, and the like. Optionally, all or part of the steps in the foregoing embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the foregoing embodiments may be implemented in the form of hardware, or may be implemented in the form of software function modules. The present invention is not limited to any specific combination of hardware and software.

The above embodiments are only used to illustrate the technical solutions of the present invention rather than limit them, and the present invention is described in detail with reference to preferred embodiments. Those skilled in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all should be covered by the claims of the present invention.

Claims (10)

1. A detection method for a base station, characterized in that, the base station and the terminal that need to carry out the system equipment test are connected to the hard simulation equipment by a cable, and the terminal is connected to the drive test equipment by a data line, and the hard simulation equipment and the drive test equipment are composed For wireless local area network, the hardware emulation device emulates a real wireless network environment, and the method includes: The hardware emulation device sends a start test command to the drive test device, and regularly sends the location information of each terminal under the drive test device to the drive test device; The hard emulation device receives the test result reported by the drive test device, and the test result is the drive test device issued by the drive test device according to the test plan in the obtained test plan file and the hard emulation device. The location information of each terminal is the drive test data obtained after the drive test is performed on each terminal under the drive test device; The hardware simulation device detects the performance of the base station according to the test result. 2. The method according to claim 1, characterized in that: Before the hardware emulation device receives the test result reported by the drive test device, the method further includes: The hardware emulation device receives a reply message of the location message sent by the drive test device, and determines that the communication link is normal according to the time information of the location message contained in the reply message. 3. The method according to claim 1, characterized in that: The test results reported by the drive test device received by the hard emulation device include: The hardware emulation device regularly or in real time receives the test result reported by the drive test device; or The hardware emulation device finally receives all test results reported by the drive test device. 4. The method according to claim 1, characterized in that: The drive test data includes the strength of the signal received and received by the terminal, the call drop rate and the number of handovers. 5. The method according to any one of claims 1-4, characterized in that: Before the hardware emulation device regularly sends the location information of each terminal under the drive test device to the drive test device, the method further includes: The hardware emulation device receives the initialization request message sent by the drive test device, and replies an initialization response message to the drive test device; The hardware emulation device receives the initialization success message replied by the drive test device, the initialization success message is that the drive test device obtains the initial location information and the information of the test plan file from the initialization response message, and determines the The test plan file mentioned above is the latest test plan file. 6. The method according to claim 5, characterized in that: The initialization response message includes the serial number, identification code and initial position information of the terminal under the drive test equipment, and the information of the test plan file of each terminal; The initialization success message is the information that the drive test device obtains the test plan file from the initialization response message. The hard emulation device server downloads the latest test plan file and replies; or, after confirming that the test plan file saved by itself is the same as the test plan file saved by the hard emulation device server. 7. A hard emulation device, characterized in that the base station and the terminal that need to carry out the system equipment test are connected to the hard emulation device by a cable, the terminal is connected to the drive test device by a data line, and the hard emulation device and the drive test device form a wireless LAN, hardware emulation equipment emulates the real wireless network environment, the equipment includes: A sending module, configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device; The receiving module is configured to receive the test result reported by the drive test device, the test result is the test plan issued by the drive test device according to the obtained test plan file and the test plan issued by the sending module. The drive test data obtained after the drive test is performed on each terminal under the drive test device based on the position information of each terminal; A detection module, configured to detect the performance of the base station according to the test result. 8. A detection system for a base station, characterized in that it includes hard emulation equipment, a base station and a terminal that are connected to the hard emulation equipment by cables and need to carry out system equipment testing, and are connected to the terminal and the hard emulation equipment respectively The connected drive test equipment, the terminal is connected to the drive test equipment through the data line, the hardware simulation equipment and the drive test equipment form a wireless local area network, and the hardware simulation equipment simulates the real wireless network environment, in which: The hardware emulation device is configured to send a start test command to the drive test device, and regularly send the location information of each terminal under the drive test device to the drive test device; receive the information reported by the drive test device Test results, and detect the performance of the base station according to the test results; The drive test device is configured to conduct a road test for each terminal under the drive test device according to the test plan in the obtained test plan file and the location message of each terminal under the drive test device issued by the hardware simulation device. Obtain the drive test data after the test, and send the test result including the drive test data to the hard emulation device. 9. The system of claim 8, wherein: The drive test device is further configured to send an initialization request message to the hard simulation device, and receive an initialization response message replied by the hard simulation device, and obtain initial location information and a test plan file from the initialization response message. information, and after determining that the test plan file is the latest test plan file, reply an initialization success message to the hard emulation device; The hardware emulation device is further configured to receive an initialization request message sent by the drive test device, and reply an initialization response message to the drive test device; and receive an initialization success message returned by the drive test device, and receive all After the initialization success message replied by the drive test device, the start test command is sent. 10. The system according to claim 8 or 9, characterized in that: The base station and the terminal are connected to the hard emulation device through a cable, the terminal is connected to the drive test device through a data line, and the hard emulation device is connected to the drive test device through a router.