CN211579979U - Wi-Fi wireless test system and device - Google Patents
Wi-Fi wireless test system and device Download PDFInfo
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- CN211579979U CN211579979U CN202020029845.4U CN202020029845U CN211579979U CN 211579979 U CN211579979 U CN 211579979U CN 202020029845 U CN202020029845 U CN 202020029845U CN 211579979 U CN211579979 U CN 211579979U
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Abstract
The utility model belongs to the technical field of the radio frequency test, a Wi-Fi wireless test system and device is provided, include Wi-Fi transmitting antenna, Wi-Fi receiving antenna, Wi-Fi integrated tester, by survey terminal, merit divide ware, filter tool, spectral analysis appearance, LTE integrated tester and host computer. The terminal to be tested establishes wireless communication through a Wi-Fi sending antenna and a Wi-Fi receiving antenna, detects a reference signal through a Wi-Fi comprehensive tester to generate a first radio frequency detection signal, is connected with an LTE comprehensive tester and a filter jig through a power divider, detects the first radio frequency signal through the LTE comprehensive tester to generate a second radio frequency detection signal, the filter jig generates an interference signal according to the second radio frequency signal, and the spectrum analyzer detects the interference signal to generate a third radio frequency detection signal. And comparing and analyzing the first radio frequency parameter, the second radio frequency parameter and the third radio frequency parameter by the upper computer to obtain a target interference signal parameter of a preset frequency band.
Description
Technical Field
The utility model belongs to the technical field of the radio frequency test, especially, relate to a Wi-Fi wireless test system and device.
Background
The radio frequency test system is applied to testing some radio frequency indexes of radio frequency transceiver equipment, and ensures that the radio frequency indexes of communication meet the standard requirements, for example, in the radio frequency index test of wifi technology applied to smart homes, the radio frequency indexes of the related test mainly include the following: although technologies such as wifi, bluetooth and Zigbee are applied more and have tended to mature in various fields, some radio frequency testers in the market testing radio frequencies do not consider the influence of factors such as environmental interference and personnel misoperation on the measurement result, so that the measurement result is inaccurate, or the measurement results of the same product are inconsistent, and the measurement efficiency is low, and the interference signal cannot be analyzed in detail.
Therefore, the problem that the influence of interference signals of radio frequency bands on the transmission quality of the wifi wireless signals cannot be analyzed so as to improve the transmission quality of the wifi wireless signals exists in the traditional technical scheme.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a Wi-Fi wireless test system and device aims at solving the unable problem in order to improve wifi radio signal transmission quality of interference signal to wifi radio signal transmission quality to the radio frequency channel that exists among the traditional technical scheme.
A Wi-Fi wireless test system, the Wi-Fi wireless test system comprising: the system comprises a Wi-Fi sending antenna, a Wi-Fi receiving antenna, a Wi-Fi comprehensive tester, a tested terminal, a power divider, a filter jig, a spectrum analyzer, an LTE comprehensive tester and an upper computer;
the terminal under test is configured to generate a first test signal and a second test signal, the Wi-Fi transmitting antenna is connected with the terminal under test and configured to generate a wireless signal according to the first test signal, the Wi-Fi integrated tester is connected with the Wi-Fi receiving antenna, the Wi-Fi receiving antenna is configured to receive the wireless signal and generate a reference signal, and the Wi-Fi integrated tester is configured to detect the reference signal to generate a first radio frequency detection signal; the tested terminal is connected with the LTE integrated tester and the filter jig through the power divider, the power divider is configured to generate a first radio frequency signal and a second radio frequency signal according to the second test signal, the LTE integrated tester is configured to detect the first radio frequency signal so as to generate a second radio frequency detection signal, the filter jig is configured to generate an interference signal according to the second radio frequency signal, the spectrum analyzer is connected with the filter jig and configured to detect the interference signal so as to generate a third radio frequency detection signal, and the upper computer is connected with the Wi-Fi integrated tester, the LTE integrated tester and the spectrum analyzer and configured to obtain target interference signal parameters according to the first radio frequency detection signal, the second radio frequency detection signal and the third radio frequency detection signal.
In one embodiment, the filter fixture comprises a first band-pass filter circuit and a second band-pass filter circuit; the first band-pass filter circuit is configured to filter the second radio frequency signal to generate the interference signal of a first frequency range, and the second band-pass filter circuit is configured to filter the second radio frequency signal to generate the interference signal of a second frequency range.
In one embodiment, the first frequency range is 2.4 GHz-2.5 GHz, and the second frequency range is 5180 MHz-5825 MHz.
In one embodiment, the filter fixture specifically comprises an aluminum alloy box body, a metal interlayer, and the first band-pass filter circuit and the second band-pass filter circuit which are arranged in the aluminum alloy box body, wherein the metal interlayer is arranged between the first band-pass filter circuit and the second band-pass filter circuit.
In one embodiment, the Wi-Fi transmitting antenna, the Wi-Fi receiving antenna and the tested terminal are arranged in a shielding box.
In one embodiment, a wave-absorbing coating is arranged in the shielding box.
In one embodiment, the power divider further comprises an attenuator, and the attenuator is connected in series between the power divider and the LTE integrated tester. In addition, the Wi-Fi wireless test device is characterized by comprising the wireless test system.
The Wi-Fi wireless test system comprises a Wi-Fi sending antenna, a Wi-Fi receiving antenna, a Wi-Fi comprehensive tester, a tested terminal, a power divider, a filter jig, a spectrum analyzer, an LTE comprehensive tester and an upper computer. The method comprises the steps that a tested terminal establishes wireless communication through a Wi-Fi sending antenna and a Wi-Fi receiving antenna, a Wi-Fi comprehensive tester detects a reference signal to generate a first radio frequency detection signal, meanwhile, the tested terminal is connected with an LTE comprehensive tester and a filter jig through a power divider, the LTE comprehensive tester detects the first radio frequency signal to generate a second radio frequency detection signal, the filter jig generates an interference signal according to the second radio frequency signal, and a spectrum analyzer detects the interference signal to generate a third radio frequency detection signal. The target interference parameters of the preset frequency band are obtained by comparing and analyzing the first radio frequency parameters, the second radio frequency parameters and the third radio frequency parameters through the upper computer, and an effective data basis is provided for solving the signal interference problem of the tested terminal.
Drawings
Fig. 1 is a schematic block diagram of a Wi-Fi wireless test system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filter fixture in the Wi-Fi wireless test system shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a schematic structural diagram of a Wi-Fi wireless test system according to a preferred embodiment of the present invention, and for convenience of description, only the relevant portions of the present embodiment are shown, which are detailed as follows:
as shown in FIG. 1, the utility model provides a Wi-Fi wireless test system, this Wi-Fi wireless test system include Wi-Fi transmitting antenna 30, Wi-Fi receiving antenna 20, Wi-Fi integrated tester 10, by terminal 40, merit divide ware 50, wave filter tool 70, spectral analysis appearance 80, LTE integrated tester 60 and host computer 90. The terminal under test 40 is configured to generate a first test signal and a second test signal, the Wi-Fi transmitting antenna 30 is connected with the terminal under test 40 and configured to generate a wireless signal according to the first test signal, the Wi-Fi integrated tester 10 is connected with the Wi-Fi receiving antenna 20, the Wi-Fi receiving antenna 20 is configured to receive the wireless signal and generate a reference signal, and the Wi-Fi integrated tester 10 is configured to detect the reference signal to generate a first radio frequency detection signal; the terminal to be tested 40 is connected to the LTE integrated tester 60 and the filter fixture 70 through the power divider 50, the power divider 50 is configured to generate a first radio frequency signal and a second radio frequency signal according to a second test signal, the LTE integrated tester 60 is configured to detect the first radio frequency signal to generate a second radio frequency detection signal, the filter fixture 70 is configured to generate an interference signal according to the second radio frequency signal, the spectrum analyzer 80 is connected to the filter fixture 70 and configured to detect the interference signal to generate a third radio frequency detection signal, and the upper computer 90 is connected to the Wi-Fi integrated tester 10, the LTE integrated tester 60, and the spectrum analyzer 80 and configured to obtain a target interference signal parameter according to the first radio frequency detection signal, the second radio frequency detection signal, and the third radio frequency detection signal.
In this embodiment, the terminal under test 40 establishes wireless communication with the Wi-Fi receiving antenna 20 through the Wi-Fi transmitting antenna 30, the Wi-Fi receiving antenna 20 receives the test signal and generates a reference signal, and detects a radio frequency parameter of the reference signal through the Wi-Fi comprehensive tester 10 to generate a first radio frequency detection signal, meanwhile, the terminal under test 40 connects the LTE comprehensive tester 60 and the filter fixture 70 through the power divider 50, detects a radio frequency parameter of the first radio frequency signal through the LTE comprehensive tester 60 to generate a second radio frequency detection signal, the filter fixture 70 generates an interference signal according to the second radio frequency signal, and the spectrum analyzer 80 detects a radio frequency parameter of the interference signal to generate a third radio frequency detection signal. The first radio frequency parameter, the second radio frequency parameter and the third radio frequency parameter are compared and analyzed through the upper computer, the target interference signal parameter is obtained, an effective data base is provided for solving the signal interference problem of the tested terminal 40, and the tested terminal 40 can set a WIFI communication signal according to the target interference signal parameter so as to optimize the transmission quality of the WIFI wireless signal.
As shown in fig. 2, in one embodiment, the filter fixture 70 includes a first band pass filter circuit 71 and a second band pass filter circuit 72; the first band-pass filter circuit 71 is configured to filter the second radio frequency signal to generate an interference signal of a first frequency range, and the second band-pass filter circuit 72 is configured to filter the second radio frequency signal to generate an interference signal of a second frequency range. In this embodiment, the first band-pass filter circuit 71 and the second band-pass filter circuit 72 both use RC high-pass filters to filter out LTE main frequency signals, so that interference signals can pass through, and output the interference signals to the spectrum analyzer 80, so as to detect radio frequency parameters of the interference signals. The first radio frequency parameter, the second radio frequency parameter and the third radio frequency parameter specifically include parameters of insertion loss, out-of-band rejection, power and the like of the radio frequency signals, and the transmission quality of the WIFI wireless signals is evaluated by comparing the radio frequency parameters.
In one embodiment, the first frequency range is 2.4 GHz-2.5 GHz and the second frequency range is 5180 MHz-5825 MHz. Specifically, the utility model provides a Wi-Fi wireless test system tests analysis to 2.5G radio signal and 5G radio signal. When the interference signals are analyzed, the interference signals with the frequency ranges of 2.4 GHz-2.5 GHz and 5180 MHz-5825 MHz can pass through.
As shown in fig. 2, in one embodiment, the filter fixture 70 specifically includes an aluminum alloy case 73, a metal spacer 74, and a first band-pass filter circuit 71 and a second band-pass filter circuit 72 disposed in the aluminum alloy case 73, wherein the metal spacer 74 is disposed between the first band-pass filter circuit 71 and the second band-pass filter circuit 72. In this embodiment, the first band-pass filter circuit 71 and the second band-pass filter circuit 72 are separated by the metal partition 74 to prevent signal interference between the two, and the aluminum alloy box 73 is used for shielding interference of external wireless signals to ensure accurate analysis of interference signals.
In one embodiment, the Wi-Fi transmitting antenna 30, the Wi-Fi receiving antenna 20 and the terminal under test 40 are disposed in a shielding box for shielding external wireless signals. In one embodiment, the wave-absorbing coating is arranged in the shielding box.
In one embodiment, the Wi-Fi wireless test system further comprises an attenuator connected in series between the power divider 50 and the LTE integrated tester 60. In this embodiment, the attenuator may be a fixed attenuator or an adjustable attenuator, and the attenuator is used to weaken the first radio frequency signal and prevent the LTE integrated tester 60 from being damaged by the excessive power of the first radio frequency signal.
When performing wireless transmission, a Wi-Fi wireless system is easily affected by an interference signal in the environment, so that it is necessary to analyze the interference signal when the Wi-Fi wireless system performs transmission of a wireless signal with different power. Specifically, a plurality of groups of first test signals and second test signals with different powers are set for a tested terminal, wherein the first test signals and the second test signals are identical radio frequency signals, so that a plurality of groups of first radio frequency parameters are obtained in a Wi-Fi comprehensive tester, a plurality of groups of second radio frequency parameters are obtained in an LTE comprehensive tester, a plurality of groups of third radio frequency parameters are obtained in a spectrum analyzer, the plurality of groups of first radio frequency parameters, the plurality of groups of second radio frequency parameters and the plurality of groups of third radio frequency parameters are compared and analyzed by an upper computer, parameters of interference signals with the smallest difference between the second radio frequency parameters and the third radio frequency parameters are obtained, and the parameters are used as target interference signal parameters.
In addition, on the basis of above-mentioned Wi-Fi wireless test system, the utility model also provides a Wi-Fi wireless test device, Wi-Fi wireless test system includes foretell wireless test system.
To sum up, the utility model provides a Wi-Fi wireless test system and device, Wi-Fi wireless test system include Wi-Fi transmitting antenna, Wi-Fi receiving antenna, Wi-Fi integrated tester, by survey terminal, merit divide ware, wave filter tool, spectral analysis appearance, LTE integrated tester and host computer. The method comprises the steps that a tested terminal establishes wireless communication with a Wi-Fi receiving antenna through a Wi-Fi sending antenna, the Wi-Fi receiving antenna receives a test signal and generates a reference signal, a Wi-Fi comprehensive tester detects radio frequency parameters of the reference signal to generate a first radio frequency detection signal, meanwhile, the tested terminal is connected with an LTE comprehensive tester and a filter jig through a power divider, the LTE comprehensive tester detects the radio frequency parameters of the first radio frequency signal to generate a second radio frequency detection signal, the filter jig generates an interference signal according to the second radio frequency signal, and a spectrum analyzer detects the radio frequency parameters of the interference signal to generate a third radio frequency detection signal. The first radio frequency parameters, the second radio frequency parameters and the third radio frequency parameters are compared and analyzed through the upper computer, the target interference signal parameters are obtained, an effective data base is provided for solving the signal interference problem of the tested terminal, and the tested terminal can set the WIFI communication signals according to the target interference signal parameters so as to optimize the transmission quality of the WIFI wireless signals.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A Wi-Fi wireless test system, comprising: the system comprises a Wi-Fi sending antenna, a Wi-Fi receiving antenna, a Wi-Fi comprehensive tester, a tested terminal, a power divider, a filter jig, a spectrum analyzer, an LTE comprehensive tester and an upper computer;
the terminal under test is configured to generate a first test signal and a second test signal, the Wi-Fi transmitting antenna is connected with the terminal under test and configured to generate a wireless signal according to the first test signal, the Wi-Fi integrated tester is connected with the Wi-Fi receiving antenna, the Wi-Fi receiving antenna is configured to receive the wireless signal and generate a reference signal, and the Wi-Fi integrated tester is configured to detect the reference signal to generate a first radio frequency detection signal; the tested terminal is connected with the LTE integrated tester and the filter jig through the power divider, the power divider is configured to generate a first radio frequency signal and a second radio frequency signal according to the second test signal, the LTE integrated tester is configured to detect the first radio frequency signal so as to generate a second radio frequency detection signal, the filter jig is configured to generate an interference signal according to the second radio frequency signal, the spectrum analyzer is connected with the filter jig and configured to detect the interference signal so as to generate a third radio frequency detection signal, and the upper computer is connected with the Wi-Fi integrated tester, the LTE integrated tester and the spectrum analyzer and configured to obtain target interference signal parameters according to the first radio frequency detection signal, the second radio frequency detection signal and the third radio frequency detection signal.
2. The Wi-Fi wireless test system of claim 1, wherein the filter fixture comprises a first band-pass filter circuit and a second band-pass filter circuit; the first band-pass filter circuit is configured to filter the second radio frequency signal to generate the interference signal of a first frequency range, and the second band-pass filter circuit is configured to filter the second radio frequency signal to generate the interference signal of a second frequency range.
3. The Wi-Fi wireless test system of claim 2, wherein the first frequency range is 2.4 GHz-2.5 GHz, and the second frequency range is 5180 MHz-5825 MHz.
4. The Wi-Fi wireless test system of claim 2, wherein the filter fixture comprises an aluminum alloy box, a metal interlayer, and the first and second band-pass filter circuits disposed in the aluminum alloy box, the metal interlayer disposed between the first and second band-pass filter circuits.
5. The Wi-Fi wireless test system of claim 1, wherein the Wi-Fi transmit antenna, the Wi-Fi receive antenna, and the terminal under test are disposed in a shielded box.
6. The Wi-Fi wireless testing system of claim 5, wherein a wave-absorbing coating is disposed in the shielding box.
7. The Wi-Fi wireless test system of claim 1, further comprising an attenuator connected in series between the power splitter and the LTE integrated tester.
8. A Wi-Fi wireless test apparatus, comprising: the wireless test system of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020029845.4U CN211579979U (en) | 2020-01-07 | 2020-01-07 | Wi-Fi wireless test system and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020029845.4U CN211579979U (en) | 2020-01-07 | 2020-01-07 | Wi-Fi wireless test system and device |
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| CN211579979U true CN211579979U (en) | 2020-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422052A (en) * | 2021-12-28 | 2022-04-29 | 龙尚科技（上海）有限公司 | Anti-interference test method and system for Wi-Fi and Bluetooth |
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- 2020-01-07 CN CN202020029845.4U patent/CN211579979U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422052A (en) * | 2021-12-28 | 2022-04-29 | 龙尚科技（上海）有限公司 | Anti-interference test method and system for Wi-Fi and Bluetooth |
| CN114422052B (en) * | 2021-12-28 | 2024-05-07 | 龙尚科技（上海）有限公司 | Wi-Fi and Bluetooth anti-interference test method and system |
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