WO2011160415A1 - Multi-channel test means and method for radio remote unit - Google Patents

Multi-channel test means and method for radio remote unit Download PDF

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Publication number
WO2011160415A1
WO2011160415A1 PCT/CN2010/080446 CN2010080446W WO2011160415A1 WO 2011160415 A1 WO2011160415 A1 WO 2011160415A1 CN 2010080446 W CN2010080446 W CN 2010080446W WO 2011160415 A1 WO2011160415 A1 WO 2011160415A1
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test
rru
radio frequency
uplink
downlink
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PCT/CN2010/080446
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French (fr)
Chinese (zh)
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刘战忠
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中兴通讯股份有限公司
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Priority to CN2010102112323A priority Critical patent/CN102299749A/en
Priority to CN201010211232.3 priority
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011160415A1 publication Critical patent/WO2011160415A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements

Abstract

A multi-channel test means and method for Radio Remote Unit (RRU) are disclosed by the present invention, and the technical shortcoming in prior art that RRUs are unable to be performed test automatically in batches has been overcome, wherein the means mainly includes: a control circuit, for receiving test orders, and converting the test orders into control orders; a test circuit, for receiving an uplink radio frequency signal, performing uplink test to two or more than two RRUs according to the control orders and the uplink radio frequency signal; and for receiving a downlink radio frequency signal transmitted by two or more than two RRUs, and performing downlink test to each RRU according to the control orders and the downlink radio frequency signal. Compared with the prior art, the autotest technique for RRU in batches has been resolved, the test efficiency has been improved, and the test intensity has been released by the present invention.

Description

一种无线射频拉远单元多通道的测试装置及方法  Multi-channel testing device and method for wireless radio remote unit
技术领域 Technical field
本发明涉及无线射频拉远单元(Radio Remote Unit, RRU )射频指标测 试技术, 尤其涉及一种 RRU多通道的测试装置及方法。 背景技术  The present invention relates to a radio frequency remote unit (RRU) radio frequency index test technology, and in particular to a RRU multi-channel test apparatus and method. Background technique
RRU的技术特点是将基站分成室内基带单元 (Base band Unit, BBU)和远 端机即 RRU两部分。 RRU的一个射频通道包含了发射通道和接收通道。 才艮 据实际组网及应用场景, RRU通道数可以是 1 , 2, 4, 6, 8等。  The technical feature of the RRU is that the base station is divided into an indoor baseband unit (BBU) and a remote unit, that is, an RRU. One RF channel of the RRU includes a transmit channel and a receive channel. According to the actual networking and application scenarios, the number of RRU channels can be 1, 2, 4, 6, 8, and so on.
发射机重点无线指标包括: 输出功率, 邻道泄露, 误差向量幅度(Error Vector Magnitude, EVM ) , 辐射模板, 杂散, 占用带宽, 频率误差以及动态 范围等, RRU天线口通过射频线缆和频语仪如 FSG频语仪相连, 后台 PC机 控制频语仪自动测试相应项目, 并记录和分析测试结果。  The transmitter's key wireless indicators include: Output Power, Adjacent Channel Leakage, Error Vector Magnitude (EVM), Radiation Pattern, Spurious, Occupied Bandwidth, Frequency Error, and Dynamic Range. The RRU antenna port passes the RF cable and frequency. The language instrument is connected to the FSG frequency instrument, and the background PC control frequency instrument automatically tests the corresponding items, and records and analyzes the test results.
接收机重点无线指标包括:灵敏度,相邻信道扫描( adjacent channel scan, The receiver's key wireless indicators include: sensitivity, adjacent channel scan (adjacent channel scan,
ACS ) , 信道内选择性(In-channel selectivity, ICS ) , 动态范围, 接收互调 等, RRU天线口通过射频线缆和信号源如源测量单元( Source Measure Unit, SMU )相连, 后台 PC机控制信号源测试自动相应项目, 并记录和分析测试 结果。 ACS), In-channel selectivity (ICS), dynamic range, receiving intermodulation, etc. The RRU antenna port is connected through a radio frequency cable and a signal source such as a source Measure Unit (SMU), and a background PC. The control signal source tests the corresponding items automatically, and records and analyzes the test results.
RRU出厂要经过严格的无线指标测试,而当批量生产 RRU时,通常 RRU 数量成千上万, 而通常 RRU又是多通道的, 短期之类无法覆盖 RRU的指标 测试, 加剧了测试强度和任务量。 而且, 现有的 RRU测试基本都是人工操作 测试通道切换, 手动设置仪表参数, 手动保存和分析测试结果, 效率低下而 且准确度难以保证。 发明内容  RRUs are subject to strict wireless index testing. When RRUs are mass-produced, the number of RRUs is usually tens of thousands. Usually, RRUs are multi-channel. In the short-term, they can not cover RRU's index test, which intensifies test strength and tasks. the amount. Moreover, the existing RRU tests are basically manual operation test channel switching, manual setting of instrument parameters, manual saving and analysis of test results, inefficiency and accuracy is difficult to guarantee. Summary of the invention
本发明所要解决的技术问题是需要提供一种无线射频拉远单元测试技 术, 解决现有技术无法对 RRU进行批量自动测试的技术缺陷。 为了解决上述技术问题,本发明提供了一种无线射频拉远单元测试装置, 包括控制电路以及测试电路, 其中: The technical problem to be solved by the present invention is to provide a radio frequency remote unit testing technology, which solves the technical defect that the prior art cannot perform batch automatic testing on the RRU. In order to solve the above technical problem, the present invention provides a radio remote unit testing apparatus, including a control circuit and a test circuit, wherein:
所述控制电路设置为: 接收测试指令, 将该测试指令转换为控制指令; 所述测试电路设置为: 接收上行射频信号, 根据所述控制指令及所述上 行射频信号对两个或两个以上的无线射频拉远单元(RRU )进行上行测试; 并接收两个或两个以上的 RRU发送的下行射频信号,根据所述控制指令及所 述下行射频信号对各 RRU进行下行测试。  The control circuit is configured to: receive a test command, and convert the test command into a control command; the test circuit is configured to: receive an uplink RF signal, and according to the control command and the uplink RF signal, two or more The radio frequency remote unit (RRU) performs uplink test; and receives downlink radio frequency signals sent by two or more RRUs, and performs downlink test on each RRU according to the control command and the downlink radio frequency signal.
优选地, 所述测试电路包括接收发射测试网络及通道测试网络, 其中: 所述接收发射测试网络分别连接信号源及频语仪, 其设置为: 接收所述 信号源发送的所述上行射频信号并转发给各 RRU, 接收各 RRU发送的所述 下行射频信号并转发给所述频语仪;  Preferably, the test circuit includes a receiving and transmitting test network and a channel test network, where: the receiving and transmitting test network is respectively connected to a signal source and a frequency language device, and is configured to: receive the uplink RF signal sent by the signal source And forwarding to the RRUs, receiving the downlink radio frequency signals sent by the RRUs, and forwarding the downlink radio frequency signals to the frequency utterance device;
所述通道测试网络设置为: 根据所述控制指令及上行射频信号对各 RRU 的各通道分别进行所述上行测试, 根据所述控制指令及下行射频信号对各 RRU的各通道分别进行所述下行测试。  The channel test network is configured to perform the uplink test on each channel of each RRU according to the control command and the uplink radio frequency signal, and perform the downlink on each channel of each RRU according to the control command and the downlink radio frequency signal. test.
优选地, 各 RRU不支持上下行闭塞 /解闭塞功能时, 所述通道测试网络 包含切换控制开关, 所述切换控制开关设置为: 实现各 RRU各通道之间的切 换。  Preferably, when each RRU does not support the uplink and downlink blocking/deblocking function, the channel testing network includes a switching control switch, and the switching control switch is configured to: implement switching between channels of each RRU.
优选地, 前述接收发射测试网络包含选择控制开关, 所述选择控制开关 设置为: 选择性地传输所述上行射频信号和下行射频信号, 对所述上行测试 和下行测试进行切换。  Preferably, the foregoing receiving and transmitting test network includes a selection control switch, and the selection control switch is configured to: selectively transmit the uplink radio frequency signal and the downlink radio frequency signal, and switch the uplink test and the downlink test.
为了解决上述技术问题, 本发明还提供了一种无线射频拉远单元测试方 法, 该方法用于一无线射频拉远单元(RRU )测试装置对两个或两个以上的 多通道 RRU进行测试 , 该 RRU测试装置包括控制电路以及测试电路;  In order to solve the above technical problem, the present invention also provides a radio remote unit test method for testing two or more multi-channel RRUs by a radio remote unit (RRU) test apparatus. The RRU test device includes a control circuit and a test circuit;
该方法包括:  The method includes:
所述控制电路接收测试指令, 并将该测试指令转换为控制指令; 所述测试电路接收上行射频信号, 根据所述控制指令及所述上行射频信 号对各 RRU进行上行测试, 并接收各 RRU发送的下行射频信号, 根据所述 控制指令及所述下行射频信号对各 RRU进行下行测试。 优选地, 所述测试电路接收所述上行射频信号, 并根据所述控制指令及 所述上行射频信号进行所述上行测试的步骤, 包括: The control circuit receives the test command and converts the test command into a control command; the test circuit receives the uplink RF signal, performs uplink test on each RRU according to the control command and the uplink RF signal, and receives each RRU transmission. The downlink radio frequency signal is downlink tested to each RRU according to the control command and the downlink radio frequency signal. Preferably, the step of the test circuit receiving the uplink radio frequency signal and performing the uplink test according to the control command and the uplink radio frequency signal includes:
所述测试电路接收信号源发送的所述上行射频信号并转发给各 RRU, 并 根据所述控制指令及上行射频信号对各 RRU 的各通道分别进行所述上行测 试。  The test circuit receives the uplink radio frequency signal sent by the signal source and forwards it to each RRU, and performs the uplink test on each channel of each RRU according to the control command and the uplink radio frequency signal.
优选地, 所述测试电路接收所述下行射频信号, 根据所述控制指令及所 述下行射频信号进行所述下行测试的步骤, 包括:  Preferably, the step of the test circuit receiving the downlink radio frequency signal and performing the downlink test according to the control command and the downlink radio frequency signal includes:
所述测试电路接收各 RRU发送的所述下行射频信号并转发给频语仪,并 根据所述控制指令及所述下行射频信号对各 RRU 的各通道分别进行所述下 行测试。  The test circuit receives the downlink radio frequency signal sent by each RRU and forwards it to the frequency utterance device, and performs the downlink test on each channel of each RRU according to the control command and the downlink radio frequency signal.
与现有技术相比, 本发明解决了批量 RRU射频自动化测试技术,提供了 待测 RRU整机自动切换, 待测 RRU测试通道自动切换, 接收机发射机测试 自动切换的测试方法及硬件设备。 本发明的技术方案提高了测试效率, 减轻 了测试强度。 附图概述  Compared with the prior art, the present invention solves the batch RRU radio frequency automatic testing technology, and provides a test method and a hardware device for automatically switching the RRU to be tested, automatically switching the RRU test channel to be tested, and automatically switching the receiver transmitter test. The technical solution of the invention improves the test efficiency and reduces the test intensity. BRIEF abstract
附图用来提供对本发明的进一步理解, 并且构成说明书的一部分, 与本 发明的实施例一起用于解释本发明, 并不构成对本发明的限制。 在附图中: 图 1是本发明实施例提供的 RRU测试装置的组成示意图;  The drawings are intended to provide a further understanding of the invention, and are intended to be a part of the description of the invention. 1 is a schematic diagram of the composition of an RRU test apparatus according to an embodiment of the present invention;
图 2是图 1所示实施例中测试电路的组成示意图;  2 is a schematic diagram showing the composition of a test circuit in the embodiment shown in FIG. 1;
图 3是图 2所示实施例中通道测试网络包含继电器开关的示意图; 图 4是图 2所示实施例中通道测试网络不含继电器开关的示意图; 图 5是本发明实施例提供的 RRU测试方法的流程示意图。 本发明的较佳实施方式  3 is a schematic diagram of a channel test network including a relay switch in the embodiment shown in FIG. 2. FIG. 4 is a schematic diagram of the channel test network in FIG. 2 without a relay switch; FIG. 5 is a RRU test provided by an embodiment of the present invention. Schematic diagram of the process. Preferred embodiment of the invention
以下将结合附图及实施例来详细说明本发明的实施方式, 借此对本发明 如何应用技术手段来解决技术问题, 并达成技术效果的实现过程能充分理解 并据以实施。 合, 均在本发明的保护范围之内。 另外, 在附图的流程图示出的步骤可以在 诸如一组计算机可执行指令的计算机系统中执行, 并且, 虽然在流程图中示 出了逻辑顺序, 但是在某些情况下, 可以以不同于此处的顺序执行所示出或 描述的步骤。 The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and embodiments, thereby illustrating how the present invention can be applied to solve the technical problems, and the implementation of the technical effects can be fully understood. And according to the implementation. It is within the scope of the present invention. Additionally, the steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although the logical order is illustrated in the flowchart, in some cases, may be different The steps shown or described are performed in the order herein.
实施例一、 一种 RRU测试装置  Embodiment 1 A RRU test device
如图 1所示, 本实施例的 RRU测试装置主要包括供电电路 110、 控制电 路 120以及测试电路 130, 其中:  As shown in FIG. 1, the RRU test apparatus of this embodiment mainly includes a power supply circuit 110, a control circuit 120, and a test circuit 130, where:
供电电路 110, 用于为控制电路及测试电路供电;  a power supply circuit 110, configured to supply power to the control circuit and the test circuit;
控制电路 120, 与外部 PC连接并进行通讯, 与该供电电路 110连接, 用 于在该供电电路 110提供的控制能量的支持下,接收用户通过 PC发送的测试 指令; 将测试指令转换为控制指令发送给测试电路 130;  The control circuit 120 is connected to and communicated with the external PC, and is connected to the power supply circuit 110 for receiving a test command sent by the user through the PC under the support of the control energy provided by the power supply circuit 110; converting the test command into a control command Send to test circuit 130;
测试电路 130, 与该供电电路 110及控制电路 120连接, 用于上行测试 时接收信号源发送的上行射频信号并转发给两个或两个以上的 RRU, 并用于 下行测试时将 RRU发送的下行射频信号转发给频语仪进行解调,在该供电电 路 110提供的测试能量的支持下, 根据该控制电路 120发送的控制指令对两 个或两个以上的 RRU进行多通道的上行和 /或下行测试, 获得测试结果并输 出。  The test circuit 130 is connected to the power supply circuit 110 and the control circuit 120, and is configured to receive an uplink RF signal sent by the signal source during uplink test and forward it to two or more RRUs, and use the downlink to send the RRU when the downlink test is performed. The radio frequency signal is forwarded to the frequency analyzer for demodulation, and the multi-channel uplink and/or two or more RRUs are performed according to the control instruction sent by the control circuit 120, supported by the test energy provided by the power supply circuit 110. Downstream test, get test results and output.
本实施例中, 供电电路 110包括一电源输入接口和一电源输出接口, 该 电源输入接口用于接入外部电源,该电源输出接口用于为待测 RRU提供上述 控制能量信号和测试能量信号。  In this embodiment, the power supply circuit 110 includes a power input interface and a power output interface, and the power input interface is configured to access an external power source, and the power output interface is configured to provide the control energy signal and the test energy signal for the RRU to be tested.
上述控制电路 120提供了 PC与测试装置的通讯功能, PC可控该装置的 内部开关。  The above control circuit 120 provides a communication function between the PC and the test device, and the PC can control the internal switch of the device.
本实施例的 RRU测试装置还包括一接地电路, 用于设备接地,供电电路 The RRU test apparatus of this embodiment further includes a ground circuit for grounding the device and the power supply circuit
110、 控制电路 120以及测试电路 130的电路地均汇集于该接地电路。 110. The control circuit 120 and the circuit ground of the test circuit 130 are all collected in the ground circuit.
如图 2所示, 该测试电路 130包括上电控制网络 131、 接收发射测试网 络 132以及通道测试网络 133 , 其中: 上电控制网络 131 , 用于为两个或两个以上的 RRU提供可控供电 P; 接收发射测试网络 132, 用于连接信号源及频语仪, 接收信号源发送的 上行射频信号并发送给通道测试网络 133和各 RRU, 并将各 RRU发送的下 行射频信号转发给通道测试网络 133和频谱仪; As shown in FIG. 2, the test circuit 130 includes a power up control network 131, a receive and transmit test network 132, and a channel test network 133, where: The power-on control network 131 is configured to provide a controllable power supply P for two or more RRUs. The receiving and transmitting test network 132 is configured to connect the signal source and the frequency language device, and receive the uplink RF signal sent by the signal source and send the signal to the uplink RF signal. Channel test network 133 and each RRU, and forward the downlink radio frequency signals sent by each RRU to the channel test network 133 and the spectrum analyzer;
通道测试网络 133 , 用于根据该控制指令及上行射频信号和下行射频信 号, 对各 RRU各通道 C分别进行上下行测试, 输出测试结果。  The channel test network 133 is configured to perform uplink and downlink tests on each channel C of each RRU according to the control command, the uplink radio frequency signal, and the downlink radio frequency signal, and output test results.
上述上电控制网络 131也可以作为供电电路 110的一部分而设置在该供 电电路 110中。  The power-on control network 131 described above may also be disposed in the power supply circuit 110 as part of the power supply circuit 110.
上述接收发射测试网络 132包括一信号源射频接口、一频语仪射频接口、 一个转发电路以及一个以上的射频通道接口, 其中:  The receiving and transmitting test network 132 includes a signal source radio frequency interface, a frequency language radio frequency interface, a forwarding circuit, and one or more radio frequency channel interfaces, wherein:
信号源射频接口, 用于连接信号源, 接收信号源发送的上行射频信号; 频谱仪射频接口, 用于连接频谱仪, 将下行射频信号转发给频谱仪; 射频通道接口, 用于连接各 RRU的各个射频通道。  Signal source RF interface, used to connect the signal source, receive the uplink RF signal sent by the signal source; Spectrum analyzer RF interface, used to connect the spectrum analyzer, forward the downlink RF signal to the spectrum analyzer; RF channel interface, used to connect the RRU Individual RF channels.
通道测试网络 133可以包含切换控制开关,也可以不包含切换控制开关。 如图 3是包含继电器 K这一切换控制开关的情形, 图 4是不包含切换控制开 关的情形。 若 RRU不支持上下行闭塞功能, 通道测试网络 133可釆用包含切 换控制开关的情形, 通过切换控制开关来实现 RRU各通道之间的切换。 若 RRU支持上下行闭塞功能, 可釆用包含切换控制开关的情形, 也可釆用不包 含切换控制开关的情形。  The channel test network 133 may or may not include a switch control switch. Fig. 3 shows the case where the switching control switch of the relay K is included, and Fig. 4 shows the case where the switching control switch is not included. If the RRU does not support the uplink and downlink blocking function, the channel test network 133 can use the switch control switch to switch between the RRU channels by switching the control switch. If the RRU supports the uplink and downlink blocking function, it can be used in the case of including the switching control switch, or in the case where the switching control switch is not included.
图 4是不包含切换控制开关的情形 ,正在测试的通道是通过 RRU自身的 控制而处于解闭塞状态, 其他待测试的通道处于闭塞状态。  Figure 4 shows the situation where the switch control switch is not included. The channel being tested is in the unblocked state by the control of the RRU itself, and the other channels to be tested are in the blocked state.
通过控制前述接收发射测试网络 132中的选择控制开关, 选择性地传输 上行射频信号和下行射频信号, 可以在上行测试和下行测试之间进行切换。  By controlling the selection control switch in the aforementioned receive transmission test network 132, the uplink RF signal and the downlink RF signal are selectively transmitted, and switching between the uplink test and the downlink test can be performed.
实施例二、 RRU测试方法  Embodiment 2, RRU test method
如图 5所示, 本实施例主要包括如下步骤:  As shown in FIG. 5, this embodiment mainly includes the following steps:
步骤 S510, 测试本发明上述测试装置各测试通道到频语仪、 各测试通道 到信号源、 连接到各测试通道的外接线缆及器件的线损; 测试线损值用于补 偿信号源和频语仪的幅度偏置; Step S510, testing the line loss of each test channel of the test device of the present invention to the frequency language device, each test channel to the signal source, the external cable connected to each test channel, and the device; the test line loss value is used to compensate Paying off the amplitude of the signal source and the frequency instrument;
步骤 S520, 将待测 RRU和测试仪表连接到本发明上述测试装置上; 步骤 S530, 将测试仪器、 本发明测试装置连接到 PC上;  Step S520, connecting the RRU and the test instrument to be tested to the above test device of the present invention; Step S530, connecting the test instrument and the test device of the present invention to the PC;
步骤 S540, 接收信号源发送的上行射频信号并转发给待测的两个或两个 以上的 RRU;  Step S540: Receive an uplink radio frequency signal sent by the signal source and forward it to two or more RRUs to be tested.
步骤 S550, 通过 PC接收用户发送的测试指令, 根据该测试指令以及该 上行射频信号,对待测的各 RRU的各通道进行上行测试, 获得测试结果并输 出;  Step S550, receiving, by the PC, a test command sent by the user, performing uplink test on each channel of each RRU to be tested according to the test command and the uplink radio frequency signal, obtaining test results and outputting;
步骤 S560, 接收待测的两个或两个以上的 RRU发送的下行射频信号, 并将该下行射频信号转发给频语仪;  Step S560, receiving downlink radio frequency signals sent by two or more RRUs to be tested, and forwarding the downlink radio frequency signals to the frequency utterance apparatus;
步骤 S570, 通过 PC接收用户发送的测试指令, 根据该测试指令以及该 下行射频信号,对待测的各 RRU的各通道分别进行下行测试, 获得测试结果 并输出。  Step S570: Receive a test command sent by the user by using the PC, and perform downlink test on each channel of each RRU to be tested according to the test command and the downlink radio frequency signal, and obtain test results and output.
需要说明的是, 上述步骤 S540以及步骤 S560在实际应用中, 并不一定 具有明显的先后顺序, 可以是二者交互在一起同时进行。  It should be noted that, in the actual application, the foregoing steps S540 and S560 do not necessarily have a clear sequence, and the two may be performed together at the same time.
本发明的上述方法实施例和装置实施例 ,提供了自动控制多个 RRU多个 通道之间自动测试以及自动切换的技术方案, 在一次连接好线路后, 就可对 大量的 RRU进行自动测试, 避免人工更换 RRU, 降低测试成本的同时, 提 高了测试效率和测试精度。  The foregoing method embodiments and device embodiments of the present invention provide a technical solution for automatically controlling automatic testing and automatic switching between multiple RRU channels. After connecting the lines once, a large number of RRUs can be automatically tested. Avoid manual replacement of RRUs, reduce test costs, and improve test efficiency and test accuracy.
在本实施例的一个应用实例中, 是对两台两通道的 RRU进行自动化测 试。 设置选择射频要测试的项目及通过标准, 设置线损, 设置批量测试 RRU 的个数以及 RRU的通道个数。  In an application example of this embodiment, two two-channel RRUs are automatically tested. Set the items to be tested by the RF and pass the standard, set the line loss, set the number of batch test RRUs and the number of channels of the RRU.
第一台 RRU上电后, 本发明测试装置完成第一台 RRU第一个通道的射 频指标测试, 其中包括上行测试和下行测试的切换, 并控制仪表完成射频测 试项目。  After the first RRU is powered on, the test apparatus of the present invention completes the radio frequency index test of the first channel of the first RRU, including switching of the uplink test and the downlink test, and controls the meter to complete the radio frequency test project.
完成第一台 RRU第一个通道的射频指标测试后, 进行第一台 RRU第二 个通道的射频指标测试, 其中包括上行测试和下行测试的切换, 并控制仪表 完成射频测试项目。 第一台 RRU测试完毕后下电,第二台 RRU上电。跟测试第一台 RRU两 个通道一样, 分别对该第二台 RRU的两个通道进行射频指标测试(其中包括 上行测试和下行测试的切换) , 并控制仪表完成射频测试项目。 After the radio frequency index test of the first channel of the first RRU is completed, the radio frequency index test of the second channel of the first RRU is performed, including switching of the uplink test and the downlink test, and controlling the instrument to complete the RF test project. After the first RRU test is completed, the second RRU is powered on. As with the test of the first RRU, the RF test of the two channels of the second RRU is tested (including the switching of the uplink test and the downlink test), and the instrument is controlled to complete the RF test project.
两台 RRU各通道的测试完成, 自动输出记录和分析结果。  The test of each channel of the two RRUs is completed, and the records and analysis results are automatically output.
上述应用实例中的 RRU可以是不支持上下行通道闭塞的。  The RRU in the above application example may not support uplink and downlink channel occlusion.
在本实施例的另一个实际应用中,是对两台两通道的 RRU进行自动化测 试, 其中 RRU支持上下行通道闭塞。 本发明测试装置在完成第一台 RRU的 第一个通道的上下行解闭塞以及第二个通道的上下行闭塞之后, 再执行第一 个通道的射频指标测试(其中包括上行测试和下行测试的切换) , 并完成射 频测试指标条目。在完成第一台 RRU的第二个通道的上下行解闭塞以及第一 个通道的上下行闭塞之后, 再执行第二个通道的射频指标测试(其中包括上 行测试和下行测试的切换), 并完成射频测试指标条目。 第一台 RRU的两个 通道测试完毕后, 对第二台 RRU进行测试。 测试第二台 RRU的第一个通道 时, 完成第一个通道的上下行解闭塞和第二个通道的上下行闭塞之后, 再执 行第一个通道的射频指标测试(其中包括上行测试和下行测试的切换) , 并 完成射频测试指标项目。在完成第二台 RRU的第二个通道的上下行解闭塞以 及第一个通道的上下行闭塞之后, 再执行第二个通道的射频指标测试(其中 包括上行测试和下行测试的切换) , 并完成射频测试指标条目。  In another practical application of this embodiment, two two-channel RRUs are automatically tested, wherein the RRU supports uplink and downlink channel occlusion. After the upstream and downstream occlusion of the first channel of the first RRU and the uplink and downlink occlusion of the second channel are completed, the test device of the present invention performs the radio frequency index test of the first channel (including the uplink test and the downlink test). Switch) and complete the RF test indicator entry. After completing the uplink and downlink deblocking of the second channel of the first RRU and the uplink and downlink blocking of the first channel, performing the radio frequency index test of the second channel (including the switching of the uplink test and the downlink test), and Complete the RF test indicator entry. After the two channels of the first RRU are tested, the second RRU is tested. When testing the first channel of the second RRU, after completing the uplink and downlink occlusion of the first channel and the uplink and downlink occlusion of the second channel, perform the RF test of the first channel (including the uplink test and downlink). Test the switch) and complete the RF test indicator project. After completing the uplink and downlink deblocking of the second channel of the second RRU and the uplink and downlink blocking of the first channel, performing the radio frequency index test of the second channel (including the switching of the uplink test and the downlink test), and Complete the RF test indicator entry.
两台 RRU各通道的测试完成, 自动输出记录和分析结果。  The test of each channel of the two RRUs is completed, and the records and analysis results are automatically output.
本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通 用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个 计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码 来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 或者将它 们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制作成单 个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软件结合。  It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be fabricated into individual integrated circuit modules, or many of them Modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
虽然本发明所揭露的实施方式如上, 但所述的内容只是为了便于理解本 发明而釆用的实施方式, 并非用以限定本发明。 任何本发明所属技术领域内 的技术人员, 在不脱离本发明所揭露的精神和范围的前提下, 可以在实施的 形式上及细节上作任何的修改与变化, 但本发明的专利保护范围, 仍须以所 附的权利要求书所界定的范围为准。 While the embodiments of the present invention have been described above, the described embodiments are merely for the purpose of understanding the invention and are not intended to limit the invention. Any modification and variation of the form and details of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention. Still have to The scope defined by the appended claims shall prevail.
工业实用性 Industrial applicability
与现有技术相比, 本发明解决了批量 R U射频自动化测试技术,提供了 待测 RRU整机自动切换, 待测 RRU测试通道自动切换, 接收机发射机测试 自动切换的测试方法及硬件设备。 本发明的技术方案提高了测试效率, 减轻 了测试强度。  Compared with the prior art, the present invention solves the batch R U radio frequency automatic testing technology, and provides a test method and a hardware device for automatically switching the RRU to be tested, automatically switching the RRU test channel to be tested, and automatically switching the receiver transmitter test. The technical solution of the invention improves the test efficiency and reduces the test intensity.

Claims

权 利 要 求 书 Claim
1、 一种无线射频拉远单元测试装置, 其包括控制电路以及测试电路, 其 中: A radio remote unit testing device comprising a control circuit and a test circuit, wherein:
所述控制电路设置为: 接收测试指令, 将该测试指令转换为控制指令; 所述测试电路设置为: 接收上行射频信号, 根据所述控制指令及所述上 行射频信号对两个或两个以上的无线射频拉远单元(RRU )进行上行测试; 并接收两个或两个以上的 RRU发送的下行射频信号,根据所述控制指令及所 述下行射频信号对各 RRU进行下行测试。  The control circuit is configured to: receive a test command, and convert the test command into a control command; the test circuit is configured to: receive an uplink RF signal, and according to the control command and the uplink RF signal, two or more The radio frequency remote unit (RRU) performs uplink test; and receives downlink radio frequency signals sent by two or more RRUs, and performs downlink test on each RRU according to the control command and the downlink radio frequency signal.
2、 根据权利要求 1所述的装置, 其中, 所述测试电路包括接收发射测试 网络及通道测试网络, 其中: 2. The apparatus according to claim 1, wherein the test circuit comprises a receive transmission test network and a channel test network, wherein:
所述接收发射测试网络分别连接信号源及频语仪, 其设置为: 接收所述 信号源发送的所述上行射频信号并转发给各 RRU, 接收各 RRU发送的所述 下行射频信号并转发给所述频语仪;  The receiving and transmitting test network is respectively connected to the signal source and the frequency locator, and is configured to: receive the uplink radio frequency signal sent by the signal source, forward it to each RRU, and receive the downlink radio frequency signal sent by each RRU and forward it to the RRU. The frequency instrument;
所述通道测试网络设置为: 根据所述控制指令及上行射频信号对各 RRU 的各通道分别进行所述上行测试, 根据所述控制指令及下行射频信号对各 RRU的各通道分别进行所述下行测试。  The channel test network is configured to perform the uplink test on each channel of each RRU according to the control command and the uplink radio frequency signal, and perform the downlink on each channel of each RRU according to the control command and the downlink radio frequency signal. test.
3、 根据权利要求 2所述的装置, 其中, 3. The apparatus according to claim 2, wherein
各 RRU不支持上下行闭塞 /解闭塞功能时, 所述通道测试网络包含切换 控制开关, 所述切换控制开关设置为实现各 RRU各通道之间的切换。  When the RRU does not support the uplink/downlink blocking/deblocking function, the channel test network includes a switching control switch, and the switching control switch is configured to implement switching between channels of each RRU.
4、 根据权利要求 2所述的装置, 其中, 4. The apparatus according to claim 2, wherein
所述接收发射测试网络包含选择控制开关, 所述选择控制开关设置为: 选择性地传输所述上行射频信号和下行射频信号, 对所述上行测试和下行测 试进行切换。  The receiving and transmitting test network includes a selection control switch, and the selection control switch is configured to: selectively transmit the uplink radio frequency signal and the downlink radio frequency signal, and switch the uplink test and the downlink test.
5、 一种无线射频拉远单元测试方法, 其特征在于, 该方法用于一无线射 频拉远单元( RRU )测试装置对两个或两个以上的多通道 RRU进行测试 , 该 RRU测试装置包括控制电路以及测试电路; 该方法包括: 5. A method for testing a radio remote unit, characterized in that the method is used for testing a radio frequency remote unit (RRU) test device for two or more multi-channel RRUs, the RRU test device comprising Control circuit and test circuit; The method includes:
所述控制电路接收测试指令, 并将该测试指令转换为控制指令; 所述测试电路接收上行射频信号, 根据所述控制指令及所述上行射频信 号对各 RRU进行上行测试, 并接收各 RRU发送的下行射频信号, 根据所述 控制指令及所述下行射频信号对各 RRU进行下行测试。  The control circuit receives the test command and converts the test command into a control command; the test circuit receives the uplink RF signal, performs uplink test on each RRU according to the control command and the uplink RF signal, and receives each RRU transmission. The downlink radio frequency signal is downlink tested to each RRU according to the control command and the downlink radio frequency signal.
6、 根据权利要求 5所述的方法, 其中, 所述测试电路接收所述上行射频 信号, 并根据所述控制指令及所述上行射频信号进行所述上行测试的步骤, 包括: The method of claim 5, wherein the step of the test circuit receiving the uplink radio frequency signal and performing the uplink test according to the control command and the uplink radio frequency signal comprises:
所述测试电路接收信号源发送的所述上行射频信号并转发给各 RRU, 并 根据所述控制指令及上行射频信号对各 RRU 的各通道分别进行所述上行测 试。  The test circuit receives the uplink radio frequency signal sent by the signal source and forwards it to each RRU, and performs the uplink test on each channel of each RRU according to the control command and the uplink radio frequency signal.
7、 根据权利要求 5所述的方法, 其中, 所述测试电路接收所述下行射频 信号, 根据所述控制指令及所述下行射频信号进行所述下行测试的步骤, 包 括: The method according to claim 5, wherein the step of the test circuit receiving the downlink radio frequency signal and performing the downlink test according to the control command and the downlink radio frequency signal comprises:
所述测试电路接收各 RRU发送的所述下行射频信号并转发给频语仪,并 根据所述控制指令及所述下行射频信号对各 RRU 的各通道分别进行所述下 行测试。  The test circuit receives the downlink radio frequency signal sent by each RRU and forwards it to the frequency utterance device, and performs the downlink test on each channel of each RRU according to the control command and the downlink radio frequency signal.
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