CN105764073B

CN105764073B - Test apparatus and test method

Info

Publication number: CN105764073B
Application number: CN201410797614.7A
Authority: CN
Inventors: 于建; 梁伟
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2014-12-18
Filing date: 2014-12-18
Publication date: 2021-04-16
Anticipated expiration: 2034-12-18
Also published as: WO2016095471A1; CN105764073A

Abstract

The invention provides a testing device and a testing method. Relates to the field of wireless communications; the problems of low testing efficiency and high cost of the existing RRU are solved. The device comprises an RRU and a mobile phone terminal test module connected with the RRU; and the mobile phone terminal testing module is communicated with the RRU through an ANT2 antenna of the RRU. The technical scheme provided by the invention is suitable for the service test of the wireless base station network, and realizes the automatic test of the whole network performance.

Description

Test apparatus and test method

Technical Field

The present invention relates to the field of wireless communications, and in particular, to a test apparatus and a test method.

Background

The existing Radio Remote Unit (RRU) is a standard communication network wireless device, but cannot automatically test the network service of the wireless base station, people and vehicles need to be sent to stations of hundreds of kilometers for testing many times, and the testing efficiency is low and the cost is high.

Disclosure of Invention

The invention provides a testing device and a testing method, which solve the problems of low testing efficiency and high cost of the existing RRU.

A test apparatus, comprising:

the system comprises a radio frequency pull unit RRU and a mobile phone terminal test module connected with the RRU;

and the mobile phone terminal testing module is communicated with the RRU through an ANT2 antenna of the RRU.

Preferably, the handset terminal test module is connected to the RRU through an I2C bus.

Preferably, the RRU is configured to receive, through an ANT0 antenna or an ANT1 antenna of the RRU, a signal sent by the mobile phone terminal testing module through the ANT2 antenna, or send a signal to the mobile phone terminal testing module through the ANT0 antenna or an ANT1 antenna.

Preferably, the RRU is further configured to send the test instruction received from the baseband processing unit BBU through the RRU CPRI communication channel to the mobile phone terminal test module.

The invention also provides a test method using the test device, which comprises the following steps:

the RRU receives a test instruction sent by a remote end through a common public radio interface CPRI communication channel;

the RRU forwards the test instruction to the mobile phone terminal test module;

and the mobile phone terminal test module executes the test task indicated by the test instruction.

Preferably, the test instruction comprises any one or more of the following:

a call-through rate test instruction, a data packet downloading and uploading test instruction and a frequency locking instruction.

Preferably, the forwarding, by the RRU, the test instruction to the mobile phone terminal test module specifically includes:

and the RRU forwards the test instruction to the mobile phone terminal test module through an I2C bus or an ANT0 antenna or an ANT1 antenna.

Preferably, after the step of executing the test task indicated by the test instruction, the mobile phone terminal test module further includes:

and the mobile phone terminal test module feeds back a test result to the BBU through an ANT2 antenna or via the RRU.

Preferably, the method further comprises:

when the CPRI communication channel between the RRU and the BBU is broken, the RRUs of other sites and a mobile phone terminal test module connected with the RRU establish a wireless channel, and the RRU is monitored, maintained and soft repaired through the mobile phone terminal test module.

Preferably, the RRUs of the other stations and the RRUs with broken links have the same standard.

Preferably, the RRUs of the other stations and the RRUs with broken links have different systems.

The invention provides a testing device and a testing method, wherein the device comprises an RRU and a mobile phone terminal testing module connected with the RRU; and the mobile phone terminal testing module is communicated with the RRU through an ANT2 antenna of the RRU. During testing, the RRU receives a test instruction sent by a remote end through a common public radio interface CPRI communication channel, and forwards the test instruction to the mobile phone terminal test module, and the mobile phone terminal test module executes a test task indicated by the test instruction. The method and the device realize the automatic test of the performance of the whole network and solve the problems of low efficiency and high cost of the existing RRU test.

Drawings

Fig. 1 is a schematic structural diagram of a testing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a test system for jacquard according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a network structure for monitoring and maintaining a whole network RRU in a first embodiment of the present invention;

fig. 4 is a flowchart of a testing method according to a second embodiment of the present invention.

Detailed Description

The existing RRU is a standard communication network wireless device, but cannot automatically test the network service of the wireless base station, people and vehicles need to be sent to stations of hundreds of kilometers for testing many times, and the testing efficiency is low and the cost is high.

In order to solve the above problems, embodiments of the present invention provide a test apparatus and method. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

First, a first embodiment of the present invention will be described with reference to the drawings.

The embodiment of the invention provides a testing device, which comprises a radio frequency unit RRU and a mobile phone terminal testing module connected with the RRU, wherein the mobile phone terminal testing module is communicated with the RRU through an ANT2 antenna of the RRU. The mobile phone terminal test module is connected with the RRU through an I2C bus, and is specifically connected with a CPU of the RRU. The RRU is configured to receive, through an ANT0 antenna or an ANT1 antenna of the RRU, a signal sent by the mobile phone terminal testing module through the ANT2 antenna, or send a signal to the mobile phone terminal testing module through the ANT0 antenna or an ANT1 antenna. And the RRU is also used for sending the test instruction received from the baseband processing unit BBU through the RRU CPRI communication channel to the mobile phone terminal test module.

The testing device is specifically an RRU with a built-in mobile phone terminal testing module, and is not limited to the built-in mobile phone terminal testing module (the mobile phone terminal testing module is connected and communicated with the mobile phone terminal testing module through an internal I2C circuit, the mobile phone terminal testing module can also be in wireless communication with ANT0 or ANT1 of the RRU through a signal transmitted by ANT2, which is equivalent to a loop, the mobile phone terminal testing module can be controlled through an internal I2C circuit through an original base station communication system, and the mobile phone terminal testing module can also be controlled through a wireless network), the mobile phone terminal testing module layout can also be directly received on a transmitting single board, the mobile phone terminal testing module can perform performance mutual testing and evaluation on the peripheral coverage network condition of the RRU, and can perform monitoring and fault diagnosis on the running state of the RRU. Structure diagram referring to fig. 1, the structure diagram includes 6 functional modules, which are:

the transceiver 101: all systems and all frequency bands of FDD and TDD can realize the receiving and transmitting function of base station signals, and the receiving and transmitting function comprises a CPRI interface module, an uplink receiving module, a downlink transmitting module, a digital intermediate frequency processing module and a power supply module

A power amplifier 102: amplifying the downlink signal;

the duplexer 103: duplex isolation and filtering of uplink and downlink signals;

power supply 104: providing power supply for all active modules in the RRU;

the mobile phone terminal testing module 105: the mobile phone terminal test module is a functional sub-module for realizing wireless network test and monitoring, and can be arranged in the RRU and also can lay the radio signal to the RRU transceiver board;

the battery 106: the power is supplied to the mobile phone terminal testing module, the mobile phone terminal testing module is in a charging state at ordinary times, and if the RRU is powered off, the battery supplies power to the mobile phone terminal testing module, so that smooth communication is ensured, and monitoring and repairing of equipment functional faults are realized.

The transceiver 101 is suitable for all systems and all frequency bands of FDD and TDD, and implements a function of transceiving a base station signal, including a CPRI interface module, an uplink receiving module, a downlink transmitting module, and a digital intermediate frequency processing module, and implements a function of transceiving a base station signal at radio frequency, where the signal transmitted by the transceiver 101 passes through a power amplifier 102 (radio frequency signal amplifying unit), passes through a duplexer 103, is isolated and filtered, and then is transmitted to the air through an antenna ANT 0. The receiving signals are that ANT0 and ANT1 receive the mobile phone terminal test module 105 from the air, the mobile phone terminal test module 105 initiates service test signals, for example, a call is initiated, the signals are transmitted through ANT2, isolated and filtered through the duplexer 103, amplified with low noise, then frequency-converted, intermediate-frequency-filtered, then digital-to-analog-converted, converted into data signals, then photoelectrically converted into CPRI optical signals, and then transmitted to BBU. The power supply 104 supplies power to all active modules inside the RRU, the mobile phone terminal testing module 105 can be laid out on a PCB together with the transceiver 101, or a mobile phone terminal testing module can be separately built in, and the battery 106 serves as a power supply backup module to supply power to the mobile phone terminal testing module 105 when the RRU is powered off.

An embodiment of the present invention further provides a testing system, referring to fig. 2, including 3 modules, each being a testing apparatus 201 formed by an RRU of an integrated mobile phone terminal shown in fig. 1, where the integrated mobile phone terminal testing module can initiate different services, such as: the call service, which transmits signals to the air through ANT2, receives the signals from the inside of the RRU through ANT0 or ANT1 for signal processing, transmits the processed signals to BBU202 through CPRI optical signals, BBU202 performs baseband processing, and then sends the processed signals to RNC203, where RNC203 is a radio network control center, and the control and distribution of the whole radio service are completed. The mobile phone terminal testing module can also initiate a data packet issuing testing task, issue a data packet through the RNC203 module radio network control center, perform baseband conversion through the BBU202, then transmit to the testing device 201 through the CPRI, convert to a radio frequency signal, then send to the air through the ANT0, then receive the mobile phone terminal testing module 105 through the ANT2, and detect service performances such as download rate, packet loss rate and the like of the mobile phone terminal testing module 105.

Referring to fig. 3, the RRU of each built-in handset terminal test module is a test hotspot, the built-in handset terminal modules support the multimode and multiband network of the operator, so as to improve the communication reliability, the maintenance monitoring server monitors the parameters and the state of the corresponding RRU through the transmission channel of each handset terminal test module, and meanwhile, if the CPRI channels of the RRU and BBU are disconnected, the RRU parameters can be monitored through the wireless channel established by the built-in handset terminal test modules, and the RRU can be downloaded and directly upgraded through the built-in handset terminal test channels.

The second embodiment of the present invention will be described below with reference to the drawings.

The embodiment of the present invention takes the test system shown in fig. 2 as an application scenario, and uses the test apparatus shown in fig. 1 to complete the flow of the performance test of the whole network as shown in fig. 4, including:

step 401, the RRU receives a test instruction sent by a remote end through a common public radio interface CPRI communication channel;

the test instruction at least comprises any one or more of the following:

Step 402, the RRU forwards the test instruction to the mobile phone terminal test module;

And 403, executing the test task indicated by the test instruction by the mobile phone terminal test module.

And step 404, the mobile phone terminal testing module feeds back a testing result to the BBU through an ANT2 antenna or via the RRU.

When the CPRI communication channel between the RRU and the BBU is broken, the RRUs of other sites and a mobile phone terminal test module connected with the RRU establish a wireless channel, and the RRU is monitored, maintained and soft repaired through the mobile phone terminal test module. And the RRUs of the other stations and the broken-chain RRU are in the same system or different systems.

Next, a third embodiment of the present invention will be described.

In the embodiment of the invention, the test system shown in fig. 2 is taken as an application scene, and the test device shown in fig. 1 is used for completing the wireless network online service test. Remotely initiating a call completing rate test command to a mobile phone terminal test module built in the RRU through a corresponding RRU CPRI communication channel, automatically and continuously initiating a plurality of call test services by the mobile phone terminal test module, fixing a written voice module in the built-in mobile phone, transmitting a voice module signal to the air through ANT2, receiving a transceiver unit inside the RRU through ANT0 or ANT1 (when the mobile phone terminal test module is a common test terminal, and locking frequency to a cell frequency point configured by the RRU can test the corresponding coverage condition of the RRU), performing radio frequency signal processing, analog-to-digital signal processing, CPRI signal processing and transmitting to a base band processing unit (BBU) through radio frequency signal processing, then performing base band signal processing, and then transmitting to the RNC, and performing call service transfer and call success rate test on the call service by the RNC, and testing the success rate of the test call of the RRU bearing cell according to the statistical success rate of the call, if the RRU bears a plurality of cells, the background can also initiate a frequency locking instruction to the mobile phone terminal test module, and the frequency is locked to the frequency points corresponding to different cells.

Next, a fourth example of the present invention will be described.

The embodiment of the invention takes the test system shown in fig. 2 as an application scene, uses the test device shown in fig. 1 to complete wireless network online service test, can initiate data packet downloading and uploading test, remotely initiates a frequency locking instruction to a mobile phone terminal test module built in the RRU through a corresponding RRU CPRI communication channel, locks the frequency to a test cell borne by the RRU, starts to realize data uploading test, is provided with a standard data module built in the mobile phone terminal test module, uploads the standard module to a fixed test network server by the mobile phone terminal test module, can count the uploading rate and the error rate (which can be completed by the mobile phone terminal test module), then realizes data downloading test, downloads the test data of a background server virtual website, and counts the downloading rate and the downloading error rate.

Next, example five of the present invention will be explained.

In the embodiment of the present invention, the test system shown in fig. 2 is used as an application scenario, a test device shown in fig. 1 is used to complete a wireless network online service test, a mobile phone terminal test module inside an RRU can be used as a test terminal of another base station, and a frequency locking instruction is initiated to the mobile phone terminal test module inside the RRU remotely through a corresponding RRU CPRI communication channel, and the frequency is locked to a test cell needing to be tested and supported by the RRU around the mobile phone terminal test module, such as: the data test service initiates a data uploading test, the mobile phone terminal test module is internally provided with a standard data module, the mobile phone terminal test module uploads the standard module to a fixed test network server, the uploading rate and the error rate can be counted, then the data downloading test is realized, the test data of the background server virtual website is downloaded, and the downloading rate and the downloading error rate are counted.

Next, a third embodiment of the present invention will be described.

In the embodiment of the invention, the test system shown in fig. 3 is taken as an application scene, the test device shown in fig. 1 is used for completing equipment maintenance, each RRU of each built-in mobile phone terminal test module is a test hot spot, the maintenance monitoring server monitors the parameters and the state of the hosted RRU through a transmission channel established by each mobile phone terminal test module, and meanwhile, if the RRU and the CPRI channel of the BBU are disconnected, the RRU parameters can be monitored through a wireless channel established by the built-in mobile phone test terminal module at this time.

When the CPRI communication channel between the RRU and the BBU is broken (the attenuation of the automatic switching mobile phone terminal is 0, the common mobile phone terminal is recovered, the problem of path fading is considered, under the condition that the RRU and the mobile phone terminal test module of the RRU can be electrified for communication, the attenuation is defaulted to 30dB, the RRU is ensured not to form uplink receiving saturation, RRUs (including a system corresponding to the RRU) of other stations and the mobile phone terminal test module corresponding to the RRU establish a wireless channel, and the RRU is monitored, maintained, soft repaired and the like.

For the mobile phone terminal test module related in the embodiment of the present invention, the configuration information related to the test task can be updated remotely and sent to the RRU through the CPRI communication channel, and the RRU and the mobile phone terminal test module perform information interaction through I2C.

The embodiment of the invention provides a testing device and a testing method, wherein the device comprises a radio frequency pull unit RRU and a mobile phone terminal testing module connected with the RRU; and the mobile phone terminal testing module is communicated with the RRU through an ANT2 antenna of the RRU. During testing, the RRU receives a test instruction sent by a remote end through a common public radio interface CPRI communication channel, and forwards the test instruction to the mobile phone terminal test module, and the mobile phone terminal test module executes a test task indicated by the test instruction. The method and the device realize the automatic test of the performance of the whole network and solve the problems of low efficiency and high cost of the existing RRU test.

It will be understood by those of ordinary skill in the art that all or part of the steps of the above embodiments may be implemented using a computer program flow, which may be stored in a computer readable storage medium and executed on a corresponding hardware platform (e.g., system, apparatus, device, etc.), and when executed, includes one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may be implemented by using an integrated circuit, and the steps may be respectively manufactured as an integrated circuit module, or a plurality of the blocks or steps may be manufactured as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

The devices/functional modules/functional units in the above embodiments may be implemented by general-purpose computing devices, and they may be centralized on a single computing device or distributed on a network formed by a plurality of computing devices.

Each device/function module/function unit in the above embodiments may be implemented in the form of a software function module and may be stored in a computer-readable storage medium when being sold or used as a separate product. The computer readable storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, etc.

Any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and all such changes or substitutions are included in the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A testing device is characterized in that the device comprises a radio frequency pull unit RRU and a mobile phone terminal testing module connected with the RRU;

the mobile phone terminal testing module is arranged inside the RRU and is communicated with the RRU through an ANT2 antenna of the RRU;

the mobile phone terminal testing module is further connected with the RRU through an I2C bus, and when a communication channel between the RRU and the BBU is broken, the mobile phone terminal testing module acquires parameters of the RRU through the I2C bus, and transmits the parameters to a maintenance monitoring server through a wireless channel established between the ANT2 and the RRU of an external station, so that the maintenance monitoring server can analyze and/or repair the state of the RRU according to the parameters.

2. The test device of claim 1,

the RRU is configured to receive, through an ANT0 antenna or an ANT1 antenna of the RRU, a signal sent by the mobile phone terminal testing module through the ANT2 antenna, or send a signal to the mobile phone terminal testing module through the ANT0 antenna or an ANT1 antenna.

3. The test device of claim 1,

and the RRU is also used for sending the test instruction received from the baseband processing unit BBU through the RRU CPRI communication channel to the mobile phone terminal test module.

4. A test method using the test apparatus according to any one of claims 1 to 3, comprising:

the RRU forwards the test instruction to the mobile phone terminal test module;

5. The method according to claim 4, wherein the test instruction comprises any one or more of the following:

6. The testing method according to claim 4, wherein the forwarding, by the RRU, the testing instruction to the mobile phone terminal testing module specifically comprises:

7. The testing method according to claim 4, wherein after the step of executing the testing task indicated by the testing instruction, the mobile phone terminal testing module further comprises:

8. The method of testing of claim 4, further comprising:

9. The method of claim 8, wherein the RRUs of the other stations and the broken RRU have the same standard.

10. The method of claim 8, wherein the RRUs of the other stations and the RRUs with broken links are of different standards.