WO2016095471A1 - Dispositif de test et procédé de test - Google Patents

Dispositif de test et procédé de test Download PDF

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Publication number
WO2016095471A1
WO2016095471A1 PCT/CN2015/082224 CN2015082224W WO2016095471A1 WO 2016095471 A1 WO2016095471 A1 WO 2016095471A1 CN 2015082224 W CN2015082224 W CN 2015082224W WO 2016095471 A1 WO2016095471 A1 WO 2016095471A1
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WO
WIPO (PCT)
Prior art keywords
test
rru
mobile terminal
test module
module
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Application number
PCT/CN2015/082224
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English (en)
Chinese (zh)
Inventor
于建
梁伟
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中兴通讯股份有限公司
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Publication of WO2016095471A1 publication Critical patent/WO2016095471A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic

Definitions

  • This document relates to the field of wireless communications, and in particular, to a test apparatus and a test method.
  • the radio remote unit is a standard communication network wireless device, but the wireless base station network service cannot be automatically tested. In many cases, it is necessary to send people and cars to a few hundred kilometers for testing. The test efficiency is low and the cost is high.
  • the embodiment of the invention provides a testing device and a testing method, which solves the problem that the RRU test has low efficiency and high cost.
  • An embodiment of the present invention provides a testing apparatus, including:
  • radio remote unit RRU and a mobile terminal test module connected to the RRU;
  • the mobile terminal test module communicates with the RRU through the antenna ANT2.
  • the mobile terminal test module is connected to the RRU through an internal integrated circuit I2C bus.
  • the RRU is configured to receive, by its own antenna ANT0 or antenna ANT1, a signal sent by the mobile terminal test module through the antenna ANT2, or test the module to the mobile terminal through the antenna ANT0 or the antenna ANT1. Send a signal.
  • the RRU is further configured to send a test command received from the baseband processing unit BBU through the RRU universal public interface CPRI communication channel to the mobile terminal test module.
  • An embodiment of the present invention further provides a test method using the above test apparatus, including:
  • the RRU receives the test command sent by the remote end through the common public wireless interface CPRI communication channel;
  • the mobile terminal test module executes the test task indicated by the test instruction.
  • test instruction includes any one or more of the following:
  • Call rate test command data packet download test command, data packet upload test command, frequency lock command.
  • the RRU forwarding the test instruction to the mobile terminal test module includes:
  • the RRU forwards the test command to the mobile terminal test module via an internal integrated circuit I2C bus or antenna ANT0 or antenna ANT1.
  • the method further includes:
  • the mobile terminal test module feeds back test results to the BBU via the antenna ANT2 or via the RRU.
  • the method further includes:
  • the RRU of the other station When the CPRI communication channel between the RRU and the BBU has been broken, the RRU of the other station establishes a wireless channel with the mobile terminal test module connected to the RRU, and monitors, maintains, and performs the RRU through the mobile terminal test module. Soft fix.
  • the RRU of the other site is the same as the RRU of the broken link.
  • the RRU of the other site is different from the RRU of the broken link.
  • the embodiment of the invention further provides a computer readable storage medium storing program instructions, which can be implemented when the program instructions are executed.
  • An embodiment of the present invention provides a test apparatus and a test method.
  • the apparatus includes an RRU and a mobile terminal test module connected to the RRU.
  • the mobile terminal test module communicates with the RRU through an antenna ANT2.
  • the RRU receives the test command sent by the remote terminal through the common public wireless interface CPRI communication channel, and forwards the test command to the mobile terminal test module, and the mobile terminal test module executes the test task indicated by the test instruction.
  • the automatic performance test of the whole network is realized, which solves the problem of low efficiency and high cost of RRU test in related technologies.
  • FIG. 1 is a schematic structural diagram of a testing apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of a test system according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of a network for monitoring and maintaining an RRU of a whole network according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a testing method according to Embodiment 2 of the present invention.
  • the embodiment of the invention provides a testing device, which comprises a radio remote unit RRU and a mobile terminal test module connected to the RRU, and the mobile terminal test module communicates with the RRU through the antenna ANT2.
  • the mobile terminal test module is connected to the RRU through an Inter-Integrated Circuit (I2C) bus, and is optionally connected to the CPU of the RRU.
  • I2C Inter-Integrated Circuit
  • the I2C bus (also written as: IIC bus) is a communication protocol used between chips and can also be used as a communication protocol within the device.
  • the I2C bus can replace the standard parallel bus, and can be connected to various integrated circuits and functional modules, which are characterized by ease of use.
  • the circuit board can be connected by two wires when it is common ground. The equipment needs to be connected by 3 wires.
  • the RRU is configured to receive, by its own antenna ANT0 or antenna ANT1, a signal sent by the mobile terminal test module through the antenna ANT2, or send a signal to the mobile terminal test module through the antenna ANT0 or the antenna ANT1.
  • the RRU is further configured to send a test command received from the baseband processing unit BBU through the RRU Common Public Radio Interface (CPRI) communication channel to the mobile terminal test module.
  • CPRI Common Public Radio Interface
  • the test device is an RRU with a built-in mobile terminal test module, and the mobile terminal test module passes The RRU internal I2C circuit and the RRU are connected and communicate with each other.
  • the mobile terminal test module can also communicate wirelessly with the ANT0 or ANT1 of the RRU through the signal transmitted by the ANT2, which is equivalent to a loop and can pass the internal I2C through the original base station communication system.
  • the circuit controls the mobile terminal test module, and the mobile terminal test module can also be controlled through the wireless network.
  • the mobile terminal test module can be directly laid out on the transceiver board.
  • the mobile terminal test module can test and evaluate the performance of the RRU peripheral coverage network, and the RRU can be The operating status is monitored and diagnosed.
  • the RRU structure diagram includes six functional modules, which are:
  • the transceiver 101 can be all modes of FDD and TDD and all frequency bands, and is configured to implement the function of transmitting and receiving signals of the base station, including a CPRI interface module, an uplink receiving module, a downlink transmitting module, a digital intermediate frequency processing module, and a power module;
  • Amplifier 102 set to amplify the downlink signal
  • Duplexer 103 set to duplex isolation and filtering of uplink and downlink signals
  • Power supply 104 configured to provide power to all active modules within the RRU;
  • the mobile terminal test module 105 a function sub-module configured to implement wireless network test and monitoring, may be built in the RRU, or may be laid out to the RRU transceiver board; the mobile terminal test module 105 and the transceiver 101 in FIG.
  • the connection is an I2C bus; the antenna ANT2 is a test antenna for the mobile terminal test module;
  • Battery 106 set to supply power to the mobile terminal test module, usually in a charging state. If the RRU is powered off, the battery supplies power to the mobile terminal test module to ensure smooth communication and achieve monitoring and repair of device malfunction.
  • the transceiver 101 is applicable to all modes and all frequency bands of the FDD and the TDD, and implements the function of transmitting and receiving signals of the base station, including the CPRI interface module, the uplink receiving module, the downlink transmitting module, and the digital intermediate frequency processing module, and can implement the radio frequency transceiver function of the signal of the base station.
  • the signal transmitted by the transceiver 101 passes through the power amplifier 102 (radio frequency signal amplifying unit), is isolated and filtered by the duplexer 103, and then transmitted to the air through the antenna ANT0.
  • the received signals are ANT0 and ANT1 received from the air to the mobile terminal test module 105.
  • the mobile terminal test module 105 initiates a service test signal, such as initiating a call, transmitting a signal through ANT2, and receiving signals from the air through ANT0 and ANT1,
  • the device 103 isolates the filter, low-noise amplification, and then goes to the transceiver 101 for frequency conversion, intermediate frequency filtering, digital-to-analog conversion, conversion to a data signal, and then photoelectric conversion into a CPRI optical signal, and then transmitted to the BBU.
  • the power source 104 supplies power to all active modules inside the RRU.
  • the mobile terminal test module 105 can be laid out together with the transceiver 101 to a PCB board, or a mobile terminal test module can be separately built, and the battery 106 is powered off in the RRU. Next, the mobile terminal test module 105 is powered as a power backup module.
  • the device includes three devices, which are respectively a test device 201 composed of an RRU of the integrated mobile phone terminal as shown in FIG. 1 , and completes the original wireless transceiver function of the RRU.
  • the integrated mobile terminal test module can initiate different services, such as: call service, pass the signal to the air through ANT2, then receive the signal processing inside the RRU through ANT0 or ANT1, and then transmit the processed signal to the BBU 202 through the CPRI optical signal.
  • the BBU 202 performs baseband processing and then sends it to the radio network controller RNC 203, which is a radio network control center that performs control and distribution of the entire radio service.
  • RNC 203 is a radio network control center that performs control and distribution of the entire radio service.
  • the mobile terminal test module can also initiate a data packet delivery test task, and send a data packet through the RNC203 module wireless network control center, convert it through the BBU202 baseband, then pass it to the test device 201 through the CPRI, convert it into a radio frequency signal, and then pass the ANT0. It is sent to the air, and then receives the mobile terminal test module 105 through the ANT2, and detects the service performance such as the download rate and the packet loss rate of the mobile terminal test module 105.
  • the RRU of each built-in mobile terminal test module is a test hotspot.
  • the built-in mobile terminal module supports the operator's multi-mode multi-band network, improves communication reliability, and maintains the monitoring server to pass each A mobile terminal test module transmission channel monitors the parameters and status of the corresponding RRU.
  • the CPRI channel of the RRU and the BBU is broken, the RRU parameter can be monitored by the wireless channel established by the built-in mobile terminal test module.
  • the RRU can be downloaded and upgraded directly through the built-in mobile terminal test channel.
  • the embodiment of the present invention uses the test system shown in FIG. 2 as an application scenario, and uses the test device shown in FIG. 1 to complete the network performance test process as shown in FIG. 4, including:
  • Step 401 The RRU receives a test command sent by the remote end through a common public wireless interface CPRI communication channel.
  • the test instruction includes at least one or any of the following:
  • Call rate test command data packet download test command, data packet upload test command, frequency lock command.
  • Step 402 The RRU forwards the test instruction to the mobile terminal test module.
  • the RRU forwards the test command to the mobile terminal test module via an I2C bus or antenna ANT0 or antenna ANT1.
  • Step 403 The mobile terminal test module executes a test task indicated by the test instruction.
  • Step 404 The mobile terminal test module feeds back test results to the BBU through the antenna ANT2 or via the RRU.
  • Step 404 is an optional step.
  • the RRU of the other station When the CPRI communication channel between the RRU and the BBU has been broken, the RRU of the other station establishes a wireless channel with the mobile terminal test module connected to the RRU, and monitors, maintains, and performs the RRU through the mobile terminal test module. Soft fix.
  • the RRUs of the other stations are the same or different systems as the RRUs of the broken links.
  • the test system shown in FIG. 2 is used as an application scenario, and the test device shown in FIG. 1 is used to complete the wireless network online service test.
  • Remotely pass the corresponding RRU CPRI communication channel initiate a call rate test command to the RRU built-in mobile phone terminal test module, and the mobile terminal test module automatically initiates multiple call test services continuously, and the built-in mobile phone has a fixed written voice module and a voice module signal. It is transmitted to the air through ANT2, and then receives the transceiver unit inside the RRU through ANT0 or ANT1. (At this time, the mobile terminal test module is an ordinary test terminal, and the frequency is locked to the cell frequency of the RRU configuration to test the RRU.
  • the RRU bearer cell can be tested.
  • the success rate of the test call is tested. If the RRU carries multiple cells, the background terminal may also initiate a frequency lock command to the mobile terminal test module to lock the frequency to a frequency point corresponding to a different cell.
  • the embodiment of the present invention uses the test system shown in FIG. 2 as an application scenario, and uses the test device shown in FIG. 1 to complete the wireless network online service test, and may initiate a data packet download test and/or a data packet upload test, and remotely pass the corresponding test.
  • the RRU CPRI communication channel initiates a frequency-locking command to the RRU built-in mobile terminal test module, and locks the frequency to the test cell carried by the RRU, and starts data uploading test.
  • the mobile terminal test module has a built-in standard data module, and the mobile terminal test module uploads a standard
  • the data module to the fixed test network server can count the upload rate and the bit error rate (can be completed by the mobile terminal test module), then implement the data download test, download the test data of the background server virtual website, and calculate the download rate and the downloaded bit error rate. .
  • the embodiment of the present invention uses the test system shown in FIG. 2 as an application scenario, and uses the test device shown in FIG. 1 to complete the wireless network online service test.
  • the mobile terminal test module inside the RRU can be used as a test terminal of another base station, and is remotely Through the corresponding RRU CPRI communication channel, the RRU built-in mobile terminal test module initiates a frequency-locking command, and the frequency-locked test area needs to test the RRU bearer around the test module of the mobile terminal, such as: data test service, initiate data upload test, mobile phone
  • the terminal test module has a built-in standard data module, and the mobile terminal test module uploads the standard module to a fixed test network server, which can count the upload rate and the bit error rate, then implement the data download test, download the test data of the background server virtual website, and download the statistical download rate. , and the bit error rate of the download.
  • the embodiment of the present invention uses the test system shown in FIG. 3 as an application scenario, and uses the test device shown in FIG. 1 to complete device maintenance.
  • the RRU of each built-in mobile phone terminal test module is a test hotspot, and the maintenance monitoring server passes each of them.
  • the transmission channel established by the mobile terminal test module monitors the parameters and status of the home RRU, and if the CPRI channel of the RRU and BBU is broken. Chain, at this time, the RRU parameters can be monitored through the wireless channel established by the built-in mobile phone test terminal module. Since the built-in mobile phone test terminal module is multi-mode, multi-standard, multi-band, it can be compatible with other base stations of the carrier and the frequency band. To ensure the reliability of the communication, the RRU can be downloaded and upgraded directly through the built-in mobile phone test terminal module channel.
  • the CPRI communication channel between the RRU and the BBU has been broken (automatically switch the attenuation of the mobile terminal to 0 restore the ordinary mobile terminal, consider the path fading problem, and the RRU and its own mobile terminal test module can be powered on.
  • the default attenuation is 30 dB, ensuring that the RRU does not form an uplink receiving saturation.
  • the RRU of other stations including the system not limited to the RRU
  • the RRU ie, the RRU where the mobile terminal test module is located
  • the terminal test module establishes a wireless channel, and monitors, maintains, and softens the RRU.
  • the configuration information related to the test task may be remotely updated, and sent to the RRU through the CPRI communication channel, and the RRU and the mobile terminal test module exchange information through the I2C.
  • An embodiment of the present invention provides a test apparatus and a test method.
  • the apparatus includes a radio remote unit RRU and a mobile terminal test module connected to the RRU.
  • the mobile terminal test module communicates with the RRU through the antenna ANT2.
  • the RRU receives the test command sent by the remote terminal through the common public wireless interface CPRI communication channel, and forwards the test command to the mobile terminal test module, and the mobile terminal test module executes the test task indicated by the test instruction.
  • the automatic performance test of the whole network is realized, which solves the problem of low efficiency and high cost of RRU test in related technologies.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the invention is not limited to any particular hard The combination of software and software.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the technical solution provided by the embodiment of the present invention is applicable to a wireless base station network service test.
  • the RRU receives a test command sent by a remote end through a common public wireless interface CPRI communication channel, and forwards the test command to the mobile terminal test module.
  • the mobile terminal test module executes the test task indicated by the test instruction, and implements automatic test of the entire network performance by using the device and the method.

Abstract

L'invention concerne un dispositif de test et un procédé de test. Le dispositif comprend une RRU et un module de test de terminal téléphonique mobile relié à la RRU. Le module de test de terminal téléphonique mobile communique avec la RRU au moyen d'une antenne ANT2. Le procédé comprend les étapes suivantes : une unité de radio distante (RRU) reçoit, par le biais d'un canal de communication d'une interface radio publique commune (CPRI), une instruction de test envoyée par une extrémité distante ; la RRU transmet l'instruction de test au module de test de terminal téléphonique mobile ; et le module de test de terminal téléphonique mobile exécute une tâche de test indiquée par l'instruction de test.
PCT/CN2015/082224 2014-12-18 2015-06-24 Dispositif de test et procédé de test WO2016095471A1 (fr)

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CN107769868B (zh) * 2016-08-18 2022-03-29 中兴通讯股份有限公司 射频拉远单元及其检测方法
CN111082861B (zh) * 2019-12-02 2021-03-30 广东省电信规划设计院有限公司 毫米波通信测试系统

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CN102907129A (zh) * 2011-12-05 2013-01-30 华为技术有限公司 分布式天线系统的检测系统和装置
CN103118405B (zh) * 2013-03-19 2015-05-20 大唐移动通信设备有限公司 Ue在小区间移动的测试系统及测试方法
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CN102187704A (zh) * 2011-04-14 2011-09-14 华为技术有限公司 天线、终端、通信系统和资产管理方法
CN102769859A (zh) * 2011-05-05 2012-11-07 中兴通讯股份有限公司 一种无线系统调试方法和装置
CN102651881A (zh) * 2012-04-13 2012-08-29 大唐移动通信设备有限公司 一种无线网络外场测试中修改参数方法和系统

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