CN106936520A - The calibration system and method for mobile terminal - Google Patents
The calibration system and method for mobile terminal Download PDFInfo
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- CN106936520A CN106936520A CN201511025082.6A CN201511025082A CN106936520A CN 106936520 A CN106936520 A CN 106936520A CN 201511025082 A CN201511025082 A CN 201511025082A CN 106936520 A CN106936520 A CN 106936520A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
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- H—ELECTRICITY
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Abstract
本发明提供一种移动终端的校准系统及方法。所述系统包括综合测试仪、计算机和校准连接装置，综合测试仪具有测试端口，校准连接装置包括：通信单元，将计算机发出的天线端口校准指令发送给控制单元；控制单元，根据天线端口校准指令控制多路开关选通；多路开关，控制端口与控制单元连接，公共端口与综合测试仪连接器连接，选通端口与待测移动终端连接器组连接；综合测试仪连接器，一端口与测试端口连接，另一端口与多路开关的公共端口连接；待测移动终端连接器组，包括多个待测移动终端连接器，每个待测移动终端连接器一端口与多路开关的选通端口连接，另一端口与移动终端的待测天线端口连接。本发明能够以简单、低成本的方式对移动终端进行校准。
The invention provides a calibration system and method for a mobile terminal. The system includes a comprehensive tester, a computer and a calibration connection device, the comprehensive tester has a test port, and the calibration connection device includes: a communication unit, which sends an antenna port calibration command sent by the computer to a control unit; the control unit, according to the antenna port calibration command Control the gating of the multi-way switch; the multi-way switch, the control port is connected to the control unit, the common port is connected to the connector of the comprehensive tester, and the gating port is connected to the connector group of the mobile terminal to be tested; the connector of the comprehensive tester is connected to one port and The test port is connected, and the other port is connected with the common port of the multi-way switch; the mobile terminal connector group to be tested includes a plurality of mobile terminal connectors to be tested, and the selection between a port of each mobile terminal connector to be tested and the multi-way switch connected to the communication port, and the other port is connected to the antenna port to be tested of the mobile terminal. The invention can calibrate the mobile terminal in a simple and low-cost manner.
Description
技术领域technical field
本发明涉及移动终端技术领域，尤其涉及一种移动终端的校准系统及方法。The present invention relates to the technical field of mobile terminals, in particular to a calibration system and method for a mobile terminal.
背景技术Background technique
当前，3GPP(the 3rd Generation Partnership Project，第三代合作伙伴计划)的移动通信技术标准已经演进到第四代LTE(Long Term Evolution，长期演进)以及LTE-A(Long Term Evolution Advanced，高级长期演进)，标准中包括的载波聚合技术与多入多出技术要求移动终端使用多个天线用于信号的发射与接收。Currently, the 3GPP (the 3rd Generation Partnership Project, Third Generation Partnership Project) mobile communication technology standard has evolved to the fourth generation LTE (Long Term Evolution, Long Term Evolution) and LTE-A (Long Term Evolution Advanced, Advanced Long Term Evolution ), the carrier aggregation technology and multiple-input multiple-output technology included in the standard require the mobile terminal to use multiple antennas for signal transmission and reception.
由于每一台移动终端在生产过程中不可避免地累积各种来源的差异，因此需要对移动终端进行校准，以保证性能的一致性。校准需要针对每一个天线端口进行，在一次校准流程中，综合测试仪上一个测试端口对应到移动终端上的一个待校准天线端口。一般的移动终端有一个待校准天线端口需要校准。Since each mobile terminal inevitably accumulates variances from various sources during the production process, the mobile terminal needs to be calibrated to ensure consistent performance. Calibration needs to be performed for each antenna port. In a calibration process, a test port on the comprehensive tester corresponds to an antenna port to be calibrated on the mobile terminal. A general mobile terminal has an antenna port to be calibrated and needs to be calibrated.
支持LTE及LTE-A的移动终端，设计了更多的天线端口，均需要校准。出于成本等因素考虑，通常使用的综合测试仪并未配置较多的测试端口，导致综合测试仪配置的测试端口数量少于待校准天线端口，需要耗费更长的时间进行多次校准流程。为了实现对多个天线端口的校准，现有技术主要采用以下两种方案：For mobile terminals supporting LTE and LTE-A, more antenna ports are designed, and calibration is required. Due to factors such as cost, the commonly used integrated tester is not configured with more test ports, resulting in fewer test ports configured by the integrated tester than the antenna ports to be calibrated, and it takes longer to perform multiple calibration procedures. In order to realize the calibration of multiple antenna ports, the prior art mainly adopts the following two schemes:
方案一：手动切换综合测试仪的测试端口以及移动终端的天线端口，如图1所示，将一个测试端口在多次校准流程中分别对应到不同的天线端口，在一次校准流程中，每一个测试端口只为一台移动终端的一个天线端口进行校准，在下一个校准流程中，测试不同的天线端口，需要进行手动切换并设置插入损耗。Option 1: Manually switch the test port of the comprehensive tester and the antenna port of the mobile terminal, as shown in Figure 1, one test port corresponds to different antenna ports in multiple calibration processes, and in one calibration process, each The test port is only calibrated for one antenna port of a mobile terminal. In the next calibration process, to test different antenna ports, it is necessary to manually switch and set the insertion loss.
方案二：使用功率分配器复用综合测试仪的测试端口，功率分配器通常采用3dB功率分配器将综合测试仪上的一个测试端口复用为两个，如图2所示，可以将一个测试端口在一次校准流程中对应到两个天线端口。Solution 2: Use a power divider to multiplex the test port of the comprehensive tester. The power divider usually uses a 3dB power divider to multiplex one test port on the comprehensive tester into two. As shown in Figure 2, one test port can be A port corresponds to two antenna ports in one calibration process.
在实现本发明的过程中，发明人发现现有技术中至少存在如下技术问题：In the process of realizing the present invention, the inventor found that there are at least the following technical problems in the prior art:
方案一的缺点是测试流程复杂，效率低下，手动切换还可能导入不可预计的误差，不适用于产线校准；方案二的缺点是功率分配器会带来固有损耗，进而给校准带来局限性，并且功率分配器成本高，体积大。The disadvantage of Option 1 is that the test process is complicated, the efficiency is low, and manual switching may introduce unpredictable errors, which is not suitable for production line calibration; the disadvantage of Option 2 is that the power divider will bring inherent losses, which in turn will bring limitations to calibration , and the cost of the power divider is high and the volume is large.
发明内容Contents of the invention
本发明提供的移动终端的校准系统及方法，能够以简单、低成本的方式实现对多天线端口移动终端的校准。The mobile terminal calibration system and method provided by the present invention can realize the calibration of multi-antenna port mobile terminals in a simple and low-cost manner.
第一方面，本发明提供一种移动终端的校准系统，包括综合测试仪、计算机和校准连接装置，所述综合测试仪具有测试端口，所述校准连接装置包括：In a first aspect, the present invention provides a calibration system for a mobile terminal, including a comprehensive tester, a computer, and a calibration connection device, the comprehensive tester has a test port, and the calibration connection device includes:
通信单元，与所述计算机连接，将所述计算机发出的天线端口校准指令发送给控制单元，所述天线端口校准指令用于指示对移动终端的其中一个天线端口进行校准；The communication unit is connected to the computer, and sends the antenna port calibration instruction issued by the computer to the control unit, and the antenna port calibration instruction is used to instruct one of the antenna ports of the mobile terminal to be calibrated;
控制单元，与所述通信单元连接，根据所述天线端口校准指令，控制多路开关其中一路的选通；A control unit, connected to the communication unit, controls the gating of one of the multi-way switches according to the antenna port calibration instruction;
多路开关，控制端口与所述控制单元连接，公共端口与综合测试仪连接器连接，选通端口与待测移动终端连接器组连接；A multi-way switch, the control port is connected to the control unit, the common port is connected to the connector of the comprehensive tester, and the gate port is connected to the connector group of the mobile terminal to be tested;
综合测试仪连接器，为两端口器件，一端口与所述综合测试仪上的测试端口连接，另一端口与所述多路开关的公共端口连接；The comprehensive tester connector is a two-port device, one port is connected to the test port on the comprehensive tester, and the other port is connected to the common port of the multi-way switch;
待测移动终端连接器组，包括多个待测移动终端连接器，每个待测移动终端连接器均为两端口器件，一端口与所述多路开关的选通端口连接，另一端口与移动终端的待测天线端口连接。The mobile terminal connector group to be tested includes a plurality of mobile terminal connectors to be tested, and each mobile terminal connector to be tested is a two-port device, one port is connected to the gate port of the multi-way switch, and the other port is connected to the gate port of the multi-way switch. The antenna port under test of the mobile terminal is connected.
可选的，所述测试端口的个数、所述综合测试仪连接器的个数、所述多路开关的个数和所述待测移动终端连接器组的组数均相等。Optionally, the number of the test ports, the number of the connectors of the comprehensive tester, the number of the multi-way switch and the number of groups of the mobile terminal connector groups to be tested are all equal.
可选的，所述多路开关的路数等于所述待测移动终端连接器组包括的待测移动终端连接器的个数。Optionally, the number of the multi-way switch is equal to the number of the mobile terminal connectors to be tested included in the mobile terminal connector group to be tested.
可选的，所述待测移动终端连接器组包括的待测移动终端连接器的个数大于或等于所述移动终端的待测天线端口的个数。Optionally, the number of mobile terminal connectors to be tested included in the mobile terminal connector group to be tested is greater than or equal to the number of antenna ports to be tested in the mobile terminal.
可选的，所述多路开关为射频电子开关。Optionally, the multi-way switch is a radio frequency electronic switch.
第二方面，本发明提供一种移动终端的校准方法，包括：In a second aspect, the present invention provides a method for calibrating a mobile terminal, including:
计算机向通信单元发出天线端口校准指令，所述天线端口校准指令用于指示对移动终端的第一天线端口进行校准；The computer sends an antenna port calibration instruction to the communication unit, and the antenna port calibration instruction is used to instruct to calibrate the first antenna port of the mobile terminal;
通信单元将所述天线端口校准指令发送给控制单元；The communication unit sends the antenna port calibration instruction to the control unit;
控制单元根据所述天线端口校准指令，控制多路开关其中一路的选通，使得综合测试仪的测试端口与所述移动终端的第一天线端口连通；The control unit controls the gating of one of the multi-way switches according to the antenna port calibration instruction, so that the test port of the comprehensive tester is connected with the first antenna port of the mobile terminal;
综合测试仪对所述移动终端的第一天线端口进行校准；The comprehensive tester calibrates the first antenna port of the mobile terminal;
其中，所述通信单元与所述计算机连接，所述控制单元与所述通信单元连接，所述多路开关与所述控制单元连接，所述综合测试仪连接器一端口与所述综合测试仪上的测试端口连接、另一端口与所述多路开关的公共端口连接，待测移动终端连接器组包括多个待测移动终端连接器，每个待测移动终端连接器均为两端口器件，一端口与所述多路开关的选通端口连接，另一端口与移动终端的待测天线端口连接。Wherein, the communication unit is connected to the computer, the control unit is connected to the communication unit, the multi-way switch is connected to the control unit, and a port of the comprehensive tester connector is connected to the comprehensive tester The test port on the test port is connected, and the other port is connected to the common port of the multi-way switch. The mobile terminal connector group to be tested includes a plurality of mobile terminal connectors to be tested, and each mobile terminal connector to be tested is a two-port device , one port is connected to the gate port of the multi-way switch, and the other port is connected to the antenna port to be tested of the mobile terminal.
可选的，所述测试端口的个数、所述综合测试仪连接器的个数、所述多路开关的个数和所述待测移动终端连接器组的组数均相等。Optionally, the number of the test ports, the number of the connectors of the comprehensive tester, the number of the multi-way switch and the number of groups of the mobile terminal connector groups to be tested are all equal.
可选的，所述多路开关的路数等于所述待测移动终端连接器组包括的待测移动终端连接器的个数。Optionally, the number of the multi-way switch is equal to the number of the mobile terminal connectors to be tested included in the mobile terminal connector group to be tested.
可选的，所述待测移动终端连接器组包括的待测移动终端连接器的个数大于或等于所述移动终端的待测天线端口的个数。Optionally, the number of mobile terminal connectors to be tested included in the mobile terminal connector group to be tested is greater than or equal to the number of antenna ports to be tested in the mobile terminal.
可选的，所述多路开关为射频电子开关。Optionally, the multi-way switch is a radio frequency electronic switch.
本发明实施例提供的移动终端的校准系统及方法，计算机向通信单元发出用于指示对移动终端的其中一个天线端口进行校准的天线端口校准指令，通信单元将所述天线端口校准指令发送给控制单元，控制单元根据所述天线端口校准指令，控制多路开关其中一路的选通，使得综合测试仪的测试端口与所述移动终端的其中一个天线端口连通，综合测试仪对所述移动终端的其中一个天线端口进行校准。与现有技术相比，本发明使用计算机控制多路开关自动切换综合测试仪的测试端口和移动终端的天线端口，来实现综合测试仪测试端口的复用，将一个测试端口在多次校准流程中分别对应到不同的天线端口，测试流程简单，性能稳定，不会新引入不可控的误差，适用于产线校准；不需要使用功分器，成本较低，有利于对多天线端口的移动终端进行校准。In the mobile terminal calibration system and method provided by the embodiments of the present invention, the computer sends an antenna port calibration command to the communication unit to indicate that one of the antenna ports of the mobile terminal is calibrated, and the communication unit sends the antenna port calibration command to the control unit. unit, the control unit controls the gating of one of the multi-way switches according to the antenna port calibration instruction, so that the test port of the comprehensive tester is connected with one of the antenna ports of the mobile terminal, and the comprehensive tester is connected to the antenna port of the mobile terminal. One of the antenna ports is calibrated. Compared with the prior art, the present invention uses a computer to control the multi-way switch to automatically switch the test port of the comprehensive tester and the antenna port of the mobile terminal to realize the multiplexing of the test ports of the comprehensive tester, and use a test port in multiple calibration procedures. Corresponding to different antenna ports, the test process is simple, the performance is stable, no new uncontrollable errors will be introduced, and it is suitable for production line calibration; no power splitter is required, the cost is low, and it is conducive to the movement of multiple antenna ports The terminal is calibrated.
附图说明Description of drawings
图1为现有技术中利用综合测试仪对移动终端进行直接测试的结构示意图；Fig. 1 is the structure diagram that utilizes comprehensive tester to carry out direct test to mobile terminal in the prior art;
图2为现有技术中利用功率分配器复用综合测试仪的测试端口对移动终端进行测试的结构示意图；Fig. 2 is the structure schematic diagram that utilizes the test port of power divider multiplexing comprehensive tester to test mobile terminal in the prior art;
图3为本发明一实施例移动终端的校准系统的结构示意图；FIG. 3 is a schematic structural diagram of a calibration system for a mobile terminal according to an embodiment of the present invention;
图4为本发明另一实施例移动终端的校准系统的结构示意图；4 is a schematic structural diagram of a calibration system for a mobile terminal according to another embodiment of the present invention;
图5为本发明再一实施例移动终端的校准系统的结构示意图；FIG. 5 is a schematic structural diagram of a calibration system for a mobile terminal according to yet another embodiment of the present invention;
图6为本发明实施例移动终端的校准方法的流程图。FIG. 6 is a flowchart of a calibration method for a mobile terminal according to an embodiment of the present invention.
具体实施方式detailed description
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
本发明一实施例提供一种移动终端的校准系统，如图3所示，包括综合测试仪2、个人计算机3和校准连接装置1，所述综合测试仪2具有一个测试端口20：所述校准连接装置1包括：An embodiment of the present invention provides a calibration system for a mobile terminal, as shown in FIG. 3 , including a comprehensive tester 2, a personal computer 3 and a calibration connection device 1, and the comprehensive tester 2 has a test port 20: the calibration Connection device 1 includes:
通信单元11，与所述个人计算机3连接，将所述个人计算机3发出的天线端口校准指令发送给控制单元12，所述天线端口校准指令用于指示对移动终端4的其中一个天线端口进行校准；The communication unit 11 is connected to the personal computer 3, and sends the antenna port calibration instruction issued by the personal computer 3 to the control unit 12, and the antenna port calibration instruction is used to instruct one of the antenna ports of the mobile terminal 4 to be calibrated ;
控制单元12，与所述通信单元11连接，根据所述天线端口校准指令，控制多路开关13其中一路的选通；The control unit 12 is connected to the communication unit 11, and controls the gating of one of the multi-way switches 13 according to the antenna port calibration instruction;
多路开关13，其控制端口与所述控制单元12连接，公共端口与综合测试仪连接器14连接，选通端口与待测移动终端连接器组15连接；Multi-way switch 13, its control port is connected with described control unit 12, common port is connected with comprehensive tester connector 14, and gate port is connected with mobile terminal connector group 15 to be tested;
综合测试仪连接器14，为两端口器件，一端口与所述综合测试仪2上的测试端口20连接，另一端口与多路开关13的公共端口连接；The comprehensive tester connector 14 is a two-port device, one port is connected with the test port 20 on the comprehensive tester 2, and the other port is connected with the common port of the multi-way switch 13;
待测移动终端连接器组15，包括六个待测移动终端连接器，每个待测移动终端连接器均为两端口器件，所述六个待测移动终端连接器的一端口分别与多路开关13的六个选通端口连接，其中四个待测移动终端连接器的另一端口与移动终端4的四个待测天线端口连接。The mobile terminal connector group 15 to be tested comprises six mobile terminal connectors to be tested, each mobile terminal connector to be tested is a two-port device, and one port of the six mobile terminal connectors to be tested is respectively connected to a multi-channel The six gate ports of the switch 13 are connected, and the other ports of the four mobile terminal connectors to be tested are connected to the four antenna ports of the mobile terminal 4 to be tested.
本发明另一实施例提供一种移动终端的校准系统，如图4所示，包括综合测试仪2、个人计算机3和校准连接装置1，所述综合测试仪2具有两个测试端口：第一测试端口21和第二测试端口22，所述校准连接装置1包括：Another embodiment of the present invention provides a calibration system for a mobile terminal, as shown in FIG. 4 , including a comprehensive tester 2, a personal computer 3 and a calibration connection device 1. The comprehensive tester 2 has two test ports: the first A test port 21 and a second test port 22, the calibration connection device 1 includes:
通信单元11，与所述个人计算机3连接，将所述个人计算机3发出的天线端口校准指令发送给控制单元12，所述天线端口校准指令用于指示对第一移动终端41或第二移动终端42的其中一个天线端口进行校准；The communication unit 11 is connected with the personal computer 3, and sends the antenna port calibration instruction issued by the personal computer 3 to the control unit 12, and the antenna port calibration instruction is used to indicate the first mobile terminal 41 or the second mobile terminal One of the antenna ports of 42 is calibrated;
控制单元12，与所述通信单元11连接，根据所述天线端口校准指令，控制第一多路开关131或第二多路开关132其中一路的选通；The control unit 12 is connected to the communication unit 11, and controls the gating of one of the first multi-way switch 131 or the second multi-way switch 132 according to the antenna port calibration instruction;
第一多路开关131和第二多路开关132，控制端口与所述控制单元12连接，第一多路开关131的公共端口与综合测试仪连接器141连接，第二多路开关132的公共端口与综合测试仪连接器142连接，第一多路开关131的选通端口与第一待测移动终端连接器组151连接，第二多路开关132的选通端口与第二待测移动终端连接器组152连接；The first multi-way switch 131 and the second multi-way switch 132, the control port is connected with the control unit 12, the common port of the first multi-way switch 131 is connected with the comprehensive tester connector 141, the common port of the second multi-way switch 132 The port is connected with the comprehensive tester connector 142, the gate port of the first multi-way switch 131 is connected with the first mobile terminal connector group 151 to be tested, and the gate port of the second multi-way switch 132 is connected with the second mobile terminal to be tested. The connector set 152 is connected;
第一综合测试仪连接器141和第二综合测试仪连接器142，均为两端口器件，第一综合测试仪连接器141的一端口与第一测试端口21连接，另一端口与第一多路开关131的公共端口连接，第二综合测试仪连接器142的一端口与第二测试端口22连接，另一端口与第二多路开关132的公共端口连接；The first comprehensive tester connector 141 and the second comprehensive tester connector 142 are two-port devices. One port of the first comprehensive tester connector 141 is connected to the first test port 21, and the other port is connected to the first multi-tester. The public port of the road switch 131 is connected, and one port of the second integrated tester connector 142 is connected with the second test port 22, and the other port is connected with the public port of the second multi-way switch 132;
第一待测移动终端连接器组151和第二待测移动终端连接器组152，分别包括六个待测移动终端连接器，每个待测移动终端连接器均为两端口器件，第一待测移动终端连接器组151的六个待测移动终端连接器的一端口分别与第一多路开关131的六个选通端口连接，其中四个待测移动终端连接器的另一端口与第一移动终端41的四个待测天线端口连接；第二待测移动终端连接器组152的六个待测移动终端连接器的一端口分别与第二多路开关132的六个选通端口连接，其中四个待测移动终端连接器的另一端口与第二移动终端42的四个待测天线端口连接。The first mobile terminal connector group 151 to be tested and the second mobile terminal connector group 152 to be tested include six mobile terminal connectors to be tested, and each mobile terminal connector to be tested is a two-port device. One port of the six mobile terminal connectors to be tested in the mobile terminal connector group 151 is connected with six gate ports of the first multi-way switch 131 respectively, wherein the other port of the four mobile terminal connectors to be tested is connected to the first port of the first multi-way switch 131. Four antenna ports to be tested of a mobile terminal 41 are connected; a port of six mobile terminal connectors to be tested of the second mobile terminal connector group 152 to be tested is connected with six strobe ports of the second multiplexer 132 respectively , wherein the other ports of the four mobile terminal connectors to be tested are connected to the four antenna ports of the second mobile terminal 42 to be tested.
可选的，同一个移动终端的多个待测天线端口可以同时连接至第一测试端口21和第二测试端口22进行测试，例如，如图5所示，第一移动终端41的其中两个待测天线端口连接至第一待测移动终端连接器组151，最终连接至第一测试端口21进行测试；第一移动终端41的另外两个待测天线端口连接至第二待测移动终端连接器组152，最终连接至第二测试端口22进行测试。Optionally, multiple antenna ports to be tested of the same mobile terminal can be connected to the first test port 21 and the second test port 22 for testing at the same time, for example, as shown in Figure 5, two of the first mobile terminal 41 The antenna port to be tested is connected to the first mobile terminal connector group 151 to be tested, and finally connected to the first test port 21 for testing; the other two antenna ports to be tested of the first mobile terminal 41 are connected to the second mobile terminal to be tested. The device group 152 is finally connected to the second test port 22 for testing.
其中，个人计算机3与通信单元11之间可以通过USB接口连接，个人计算机3通过USB接口为校准连接装置1中的各个单元供电；通信单元11与控制单元12之间可以通过UART(Universal Asynchronous Receiver/Transmitter，通用异步收发传输器)接口连接，控制单元12与第一多路开关131或第二多路开关132之间可以通过GPIO(General Purpose Input/Output，通用输入/输出)接口连接。Wherein, the personal computer 3 and the communication unit 11 can be connected through a USB interface, and the personal computer 3 supplies power to each unit in the calibration connection device 1 through the USB interface; the communication unit 11 and the control unit 12 can be connected through a UART (Universal Asynchronous Receiver /Transmitter, Universal Asynchronous Transmitter) interface connection, between the control unit 12 and the first multi-way switch 131 or the second multi-way switch 132 can be connected through a GPIO (General Purpose Input/Output, general purpose input/output) interface.
在本实施例中，所述多路开关可以为射频电子开关，但不仅限于此。In this embodiment, the multi-way switch may be a radio frequency electronic switch, but it is not limited thereto.
本发明实施例提供的移动终端的校准系统，计算机向通信单元发出用于指示对移动终端的其中一个天线端口进行校准的天线端口校准指令，通信单元将所述天线端口校准指令发送给控制单元，控制单元根据所述天线端口校准指令，控制多路开关其中一路的选通，使得综合测试仪的测试端口与所述移动终端的其中一个天线端口连通，综合测试仪对所述移动终端的其中一个天线端口进行校准。与现有技术相比，本发明使用计算机控制多路开关自动切换综合测试仪的测试端口和移动终端的天线端口，来实现综合测试仪测试端口的复用，将一个测试端口在多次校准流程中分别对应到不同的天线端口，测试流程简单，性能稳定，不会新引入不可控的误差，适用于产线校准；不需要使用功分器，成本较低，有利于对多天线端口的移动终端进行校准。In the calibration system of the mobile terminal provided by the embodiment of the present invention, the computer sends an antenna port calibration instruction for instructing to calibrate one of the antenna ports of the mobile terminal to the communication unit, and the communication unit sends the antenna port calibration instruction to the control unit, The control unit controls the gating of one of the multi-way switches according to the antenna port calibration instruction, so that the test port of the comprehensive tester is connected with one of the antenna ports of the mobile terminal, and the comprehensive tester is connected to one of the antenna ports of the mobile terminal. The antenna port is calibrated. Compared with the prior art, the present invention uses a computer to control the multi-way switch to automatically switch the test port of the comprehensive tester and the antenna port of the mobile terminal to realize the multiplexing of the test ports of the comprehensive tester, and use a test port in multiple calibration procedures. Corresponding to different antenna ports, the test process is simple, the performance is stable, no new uncontrollable errors will be introduced, and it is suitable for production line calibration; no power splitter is required, the cost is low, and it is conducive to the movement of multiple antenna ports The terminal is calibrated.
本发明实施例还提供一种移动终端的校准方法，如图6所示，所述方法包括：The embodiment of the present invention also provides a method for calibrating a mobile terminal, as shown in FIG. 6, the method includes:
S11、计算机向通信单元发出天线端口校准指令，所述天线端口校准指令用于指示对移动终端的第一天线端口进行校准；S11. The computer sends an antenna port calibration instruction to the communication unit, and the antenna port calibration instruction is used to instruct to calibrate the first antenna port of the mobile terminal;
S12、通信单元将所述天线端口校准指令发送给控制单元；S12. The communication unit sends the antenna port calibration instruction to the control unit;
S13、控制单元根据所述天线端口校准指令，控制多路开关其中一路的选通，使得综合测试仪的测试端口与所述移动终端的第一天线端口连通；S13. The control unit controls the gating of one of the multi-way switches according to the antenna port calibration instruction, so that the test port of the comprehensive tester is connected to the first antenna port of the mobile terminal;
S14、综合测试仪对所述移动终端的第一天线端口进行校准；S14. The comprehensive tester calibrates the first antenna port of the mobile terminal;
其中，所述通信单元与所述计算机连接，所述控制单元与所述通信单元连接，所述多路开关与所述控制单元连接，所述综合测试仪连接器一端口与所述综合测试仪上的测试端口连接、另一端口与所述多路开关的公共端口连接，待测移动终端连接器组包括多个待测移动终端连接器，每个待测移动终端连接器均为两端口器件，一端口与所述多路开关的选通端口连接，另一端口与移动终端的待测天线端口连接。Wherein, the communication unit is connected to the computer, the control unit is connected to the communication unit, the multi-way switch is connected to the control unit, and a port of the comprehensive tester connector is connected to the comprehensive tester The test port on the test port is connected, and the other port is connected to the common port of the multi-way switch. The mobile terminal connector group to be tested includes a plurality of mobile terminal connectors to be tested, and each mobile terminal connector to be tested is a two-port device , one port is connected to the gate port of the multi-way switch, and the other port is connected to the antenna port to be tested of the mobile terminal.
本发明实施例提供的移动终端的校准方法，计算机向通信单元发出用于指示对移动终端的第一天线端口进行校准的天线端口校准指令，通信单元将所述天线端口校准指令发送给控制单元，控制单元根据所述天线端口校准指令，控制多路开关其中一路的选通，使得综合测试仪的测试端口与所述移动终端的第一天线端口连通，综合测试仪对所述移动终端的第一天线端口进行校准。与现有技术相比，本发明使用计算机控制多路开关自动切换综合测试仪的测试端口和移动终端的天线端口，来实现综合测试仪测试端口的复用，将一个测试端口在多次校准流程中分别对应到不同的天线端口，测试流程简单，性能稳定，不会新引入不可控的误差，适用于产线校准；不需要使用功分器，成本较低，有利于对多天线端口的移动终端进行校准。In the method for calibrating a mobile terminal provided in an embodiment of the present invention, the computer sends an antenna port calibration instruction for instructing to calibrate the first antenna port of the mobile terminal to the communication unit, and the communication unit sends the antenna port calibration instruction to the control unit, The control unit controls the gating of one of the multi-way switches according to the antenna port calibration instruction, so that the test port of the comprehensive tester is connected with the first antenna port of the mobile terminal, and the comprehensive tester is connected to the first antenna port of the mobile terminal. The antenna port is calibrated. Compared with the prior art, the present invention uses a computer to control the multi-way switch to automatically switch the test port of the comprehensive tester and the antenna port of the mobile terminal to realize the multiplexing of the test ports of the comprehensive tester, and use a test port in multiple calibration procedures. Corresponding to different antenna ports, the test process is simple, the performance is stable, no new uncontrollable errors will be introduced, and it is suitable for production line calibration; no power splitter is required, the cost is low, and it is conducive to the movement of multiple antenna ports The terminal is calibrated.
可选的，所述测试端口的个数、所述综合测试仪连接器的个数、所述多路开关的个数和所述待测移动终端连接器组的组数均相等。Optionally, the number of the test ports, the number of the connectors of the comprehensive tester, the number of the multi-way switch and the number of groups of the mobile terminal connector groups to be tested are all equal.
可选的，所述多路开关的路数等于所述待测移动终端连接器组包括的待测移动终端连接器的个数。Optionally, the number of the multi-way switch is equal to the number of the mobile terminal connectors to be tested included in the mobile terminal connector group to be tested.
可选的，所述待测移动终端连接器组包括的待测移动终端连接器的个数大于或等于所述移动终端的待测天线端口的个数。Optionally, the number of mobile terminal connectors to be tested included in the mobile terminal connector group to be tested is greater than or equal to the number of antenna ports to be tested in the mobile terminal.
在本实施例中，计算机与通信单元之间可以通过USB接口连接，计算机通过USB接口为各个单元供电；通信单元与控制单元之间可以通过UART接口连接，控制单元与多路开关之间可以通过GPIO接口连接。In this embodiment, the computer and the communication unit can be connected through a USB interface, and the computer can supply power to each unit through the USB interface; the communication unit and the control unit can be connected through a UART interface, and the control unit and the multi-way switch can be connected through GPIO interface connection.
在本实施例中，所述多路开关可以为射频电子开关，但不仅限于此。In this embodiment, the multi-way switch may be a radio frequency electronic switch, but it is not limited thereto.
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable storage medium. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.
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