CN113747494B - Power detection method and device of wireless terminal - Google Patents

Abstract

The present application provides a power detection method and device for a wireless terminal, including the power detection device receiving the test signal sent by the wireless terminal, adjusting the test voltage according to the test signal and preset rules, and adjusting the test voltage according to the The adjusted test voltage is used to generate test data. During the detection process, the wireless terminal transmits a test signal in the form of maximum transmission power, and the power detection device generates the test data according to the test signal, so as to obtain the transmission power of the wireless terminal.

Description

A method and device for detecting power of a wireless terminal

technical field

The present application relates to the field of power detection, in particular to a method and device for power detection of a wireless terminal.

Background technique

Under the background of the manufacturing industry with the explosive growth of wireless terminal products, for wireless terminal equipment, the quality of the wireless signal is an important indicator to measure the quality of a product. Therefore, the wireless signal detection of wireless terminal products is particularly important. important.

Nowadays, the equipment for testing the wireless signal power of wireless terminal products is mainly some professional radio communication analyzers (comprehensive testers) and they must be used in conjunction with electromagnetic shielding boxes.

Because the existing solution needs to use relatively professional equipment in the process of detecting the wireless signal of the wireless terminal product, which will cause redundancy in equipment performance. In addition, wireless terminal products require operators to have relatively professional knowledge of equipment operation during the testing process using a comprehensive tester, and the operation method during the test process is relatively complicated; for example, there are detection defects in some devices using patch ESIM IoT cards, In the process of testing 4G signals, it is necessary to use a "white card" (a SIM card that does not have operator information and cannot normally connect to the wireless network) for the terminal device.

Contents of the invention

In view of the above problems, this application is proposed to provide a method and device for detecting power of a wireless terminal that overcomes the above problems or at least partially solves the above problems, including:

A power detection method for a wireless terminal, the method is applied to detect the wireless transmission performance of the wireless terminal; the method relates to a wireless terminal and a power detection device; wherein, the power detection device includes a wave detector and a host computer; the wave detection The detector is electrically connected with the upper electromechanical device, and the detector is connected with the wireless terminal in communication; the method includes: the wireless terminal is used to send a test signal at maximum power; wherein the detector is used to generate a test voltage, and adjust the test voltage according to the test signal; the host computer is used to generate the test data according to the adjusted test voltage;

When receiving the test signal sent by the wireless terminal, the power detection device adjusts the test voltage according to the test signal and preset rules;

The power detection device generates test data according to the adjusted test voltage.

Optionally, the power detection device receives the test signal sent by the wireless terminal, adjusts the test voltage according to the test signal and preset rules, and generates test data according to the adjusted test voltage, include

When the power of the test signal is less than a first preset value, the amplitude of the test voltage is constant.

Optionally, the power detection device receives the test signal sent by the wireless terminal, adjusts the test voltage according to the test signal and preset rules, and generates test data according to the adjusted test voltage, include

When the power of the test signal<-90dBm, the amplitude of the test voltage is constant.

Optionally, the preset rule is a formula: y _Vout =-0.025x+0.65; wherein, x is the test signal, and y _Vout is the amplitude of the test voltage.

Optionally, the detector is an AD8318 detector.

Optionally, the wave detector is electrically connected to the ADC terminal of the host computer.

Optionally, the host computer receives the adjusted test voltage, and the step of adjusting the test data according to the adjusted test voltage further includes:

When the amplitude of the adjusted test voltage exceeds a second preset value, the host computer generates a prompt signal according to the adjusted test voltage.

Optionally, the second preset value is 2.9dBm.

A power detection device for a wireless terminal, the power detection device is used to detect the wireless transmission performance of the wireless terminal; the device relates to a wireless terminal; wherein, the wireless terminal is used to send a test signal at maximum power; the power The detection device includes: a detector and a host computer;

The detector is connected to the upper electromechanical device; the detector is connected to the wireless terminal by communication;

When receiving the test signal sent by the wireless terminal, the detector adjusts the test voltage according to the test signal and preset rules, and transmits the adjusted test voltage to the host computer; the host computer The adjusted test voltage is received, and the test data is adjusted according to the adjusted test voltage.

This application has the following advantages:

In an embodiment of the present application, the test signal sent by the wireless terminal is received by the power detection device, the test voltage is adjusted according to the test signal and preset rules, and the test voltage is generated according to the adjusted test voltage. Test Data. During the detection process, the wireless terminal transmits a test signal in the form of maximum transmission power, and the power detection device generates the test data according to the test signal, so as to obtain the transmission power of the wireless terminal.

Description of drawings

In order to illustrate the technical solution of the present application more clearly, the accompanying drawings that need to be used in the description of the present application will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

Fig. 1 is a structural block diagram of a device for detecting power of a wireless terminal provided by an embodiment of the present application.

The reference signs in the accompanying drawings of the specification are as follows: 1. Wireless terminal, 2. Power detection device, 21. Wave detector, 22. Host computer.

Detailed ways

In order to make the purpose, features and advantages of the present application more obvious and understandable, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Apparently, the described embodiments are some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Referring to FIG. 1 , it shows a method for detecting power of a wireless terminal provided by an embodiment of the present application; the method is applied to detecting the wireless transmission performance of a wireless terminal 1; the method involves a wireless terminal 1 and a power detection device 2; Wherein, the power detection device 2 includes a wave detector 21 and a host computer 22; the wave detector 21 is electrically connected to the host computer 22, and the wave detector 21 is connected to the wireless terminal 1 through communication; the method includes: The wireless terminal 1 is used to send a test signal at maximum power; wherein, the detector 21 is used to generate a test voltage, and adjust the test voltage according to the test signal; the host computer 22 is used to adjust the test voltage according to the adjusted The test voltage for generating the test data;

The methods include:

S110. When receiving the test signal sent by the wireless terminal 1, the power detection device 2 adjusts the test voltage according to the test signal and preset rules;

S210. The power detection device 2 generates test data according to the adjusted test voltage.

In the embodiment of the present application, the test signal sent by the wireless terminal 1 is received by the power detection device 2, the test voltage is adjusted according to the test signal and preset rules, and the adjusted test voltage Generate test data. The wireless terminal 1 transmits a test signal in the form of maximum transmission power during the detection process, and the power detection device 2 generates the test data according to the test signal, thereby obtaining the transmission power of the wireless terminal 1 Case.

Next, the power detection method of the wireless terminal in this exemplary embodiment will be further described.

In an embodiment of the present application, the detector 21 receives the test signal, adjusts the test voltage according to the test signal and preset rules, and transmits the adjusted test voltage to the host computer 22;

The host computer 22 receives the adjusted test voltage, and adjusts the test data according to the adjusted test voltage.

It should be noted that, in an actual detection process, the wireless terminal 1 is set in a strong transmission mode in advance, so that the wireless terminal 1 transmits the test signal at the maximum transmission power.

As an example, in the actual working process, the radio frequency input terminal of the detector 21 will receive the wireless signal (that is, the test signal) transmitted from the wireless terminal 1, and adjust the output voltage according to the size of the input wireless signal (that is, the size of the test voltage) (specific relational formula: (x is the power of the input signal, the unit is dBm; it is the amplitude of the output voltage of the detector 21, the unit is V)).

In an embodiment of the present application, the power detection device 2 receives the test signal sent by the wireless terminal 1, adjusts the test voltage according to the test signal and preset rules, and adjusts the test voltage according to the adjusted test voltage. Steps to generate test data, including

When the power of the test signal is less than a first preset value, the amplitude of the test voltage is constant.

In an embodiment of the present application, the power detection device 2 receives the test signal sent by the wireless terminal 1, adjusts the test voltage according to the test signal and preset rules, and adjusts the test voltage according to the adjusted test voltage. Steps to generate test data, including

When the power of the test signal<-90dBm, the amplitude of the test voltage is constant.

As an example, it is actually measured that when the power of the test signal is -90dBm, the detector 21 can detect the test signal sent by the wireless terminal 1, and adjust the test voltage according to the test signal, so that the The upper computer 22 can determine the transmission power of the wireless terminal 1 according to the change of the test voltage;

If the transmission power of the wireless terminal 1 is low, that is, when the power of the test signal <-90dBm, the test voltage of the detector 21 will not change significantly, and the host computer 22 can also pass The ADC pin judges the transmission power of the wireless terminal 1, that is, the transmission power of the wireless terminal 1 does not meet the standard.

In an embodiment of the present application, the preset rule is a formula: y _Vout =-0.025x+0.65; wherein, x is the test signal, and y _Vout is the amplitude of the test voltage.

In an embodiment of the present application, the detector 21 is an AD8318 detector 21 .

In an embodiment of the present application, the wave detector 21 is electrically connected to the ADC terminal of the host computer 22 .

In an embodiment of the present application, the step of the host computer 22 receiving the adjusted test voltage and adjusting the test data according to the adjusted test voltage further includes:

When the amplitude of the adjusted test voltage exceeds a second preset value, the host computer 22 generates a prompt signal according to the adjusted test voltage. Through the prompt signal, the operator can quickly know that the currently detected wireless terminal 1 is a qualified product, so as to improve efficiency.

In an embodiment of the present application, the second preset value is 2.9 dBm.

In an embodiment of the present application, the prompt signal is a ringing signal.

An embodiment of the present application provides a power detection device for a wireless terminal, the power detection device 2 is used to detect the wireless transmission performance of the wireless terminal 1; the device involves the wireless terminal 1; wherein the wireless terminal 1 is used for Send a test signal under maximum power; the power detection device 2 includes: a detector 21 and a host computer 22; wherein the detector 21 is used to generate a test voltage, and the host computer 22 is used to generate a test voltage according to the test Test Data;

The wave detector 21 is electrically connected to the host computer 22; the wave detector 21 is connected to the wireless terminal 1 through communication;

When receiving the test signal sent by the wireless terminal 1, the detector 21 adjusts the test voltage according to the test signal and preset rules, and transmits the adjusted test voltage to the host computer 22; The host computer 22 receives the adjusted test voltage, and adjusts the test data according to the adjusted test voltage.

Compared with the traditional detection scheme: the technical scheme of the present application does not require very professional detection equipment when detecting the transmission power of the wireless terminal 1, that is, the detection cost is low; the test process is greatly simplified and the production efficiency is improved. The detection scheme requires professional equipment and professional operators. The method described in this article only requires the factory operators to operate the wireless terminal 1 device to enter the strong transmission mode, which is very friendly to the production of the factory assembly line.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or terminal equipment comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements identified, or also include elements inherent in such a process, method, article, or end-equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or terminal device comprising said element.

The above is a detailed introduction of a wireless terminal power detection method and device provided by this application. This article uses specific examples to illustrate the principle and implementation of this application. The description of the above embodiments is only for helping understanding The method of this application and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of this application, there will be changes in the specific implementation and scope of application. In summary, the content of this specification should not understood as a limitation of the application.

Claims (6)

1. A power detection method for a wireless terminal, characterized in that the method is applied to detect wireless transmission performance of the wireless terminal; the method relates to a wireless terminal and a power detection device; the method includes: the wireless terminal is used for Send a test signal at maximum power; the power detection device includes a detector and a host computer; the detector is electrically connected to the host computer, and the detector is connected to the radio frequency of the wireless terminal; wherein the detector is used for generating a test voltage, and adjusting the test voltage according to the test signal; the host computer is used to generate test data according to the adjusted test voltage; When receiving the test signal sent by the wireless terminal, the detector adjusts the test voltage according to the power of the test signal and a preset rule; specifically, the preset rule is the formula: y _Vout =-0.025 x+0.65; In the formula, x is the test signal, and y _Vout is the amplitude of the test voltage; when the power of the test signal is less than the first preset value, the amplitude of the test voltage is constant; wherein , the first preset value is -90dBm; The power detection device generates test data according to the adjusted test voltage. 2. The method according to claim 1, wherein the detector is an AD8318 detector. 3. The method according to claim 1, wherein the wave detector is electrically connected to the ADC terminal of the host computer. 4. The method according to claim 1, wherein the host computer receives the adjusted test voltage, and the step of adjusting the test data according to the adjusted test voltage further comprises: When the amplitude of the adjusted test voltage exceeds a second preset value, the host computer generates a prompt signal according to the adjusted test voltage. 5. The method according to claim 4, wherein the second preset value is 2.9dBm. 6. A power detection device for a wireless terminal, wherein the power detection device is applied to detect the wireless transmission performance of the wireless terminal according to the power detection method for the wireless terminal as claimed in claim 1; the device relates to a wireless terminal ; Wherein, the wireless terminal is used to send a test signal at maximum power; the power detection device includes: a wave detector and a host computer; The wave detector is connected to the upper electromechanical device; the wave detector is connected to the radio frequency of the wireless terminal; When receiving the test signal sent by the wireless terminal, the detector adjusts the test voltage according to the test signal and a preset rule, specifically, the preset rule is the formula: y _Vout = -0.025x+ 0.65; In the formula, x is the test signal, and y _Vout is the amplitude of the test voltage; when the power of the test signal is less than the first preset value, the amplitude of the test voltage is constant; wherein, the The first preset value is -90dBm; and the adjusted test voltage is transmitted to the host computer; the host computer receives the adjusted test voltage, and adjusts the test according to the adjusted test voltage data.

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