CN113542736A - Method and system for testing wifi throughput of smart television - Google Patents
Method and system for testing wifi throughput of smart television Download PDFInfo
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- CN113542736A CN113542736A CN202110795989.XA CN202110795989A CN113542736A CN 113542736 A CN113542736 A CN 113542736A CN 202110795989 A CN202110795989 A CN 202110795989A CN 113542736 A CN113542736 A CN 113542736A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
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- H—ELECTRICITY
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- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
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Abstract
The invention designs a method and a system for testing the wifi throughput of an intelligent television aiming at the performance of a wifi module of the intelligent television by adopting a wireless transmission technology. The target television and the test end are provided with data receiving test software, and the test end is provided with the test software to display that the target television acquired by the data receiving test software respectively corresponds to the upper wifi throughput data and the lower wifi throughput data of the preset time period at each preset angle under the environment where the target television is located and respectively analyzes the data. The target television is placed on a controllable steering table of a totally-enclosed microwave darkroom, the steering table angle is controlled by a steering table controller of a control room, the testing end displays wifi throughput of each angle in real time, the operation is convenient and simple, the automation degree is high, the testing environment is sealed and clean, the interference of external factors is avoided, the wifi throughput testing and judging standard is provided, the multi-angle experimental data analysis shows that the testing data is relatively accurate, and a reliable basis is provided for judging and improving the software and hardware performance of a wifi module.
Description
Technical Field
The invention relates to the field of broadcast television communication, and relates to a method and a system for testing wifi throughput of an intelligent television.
Background
With the development of smart televisions, consumers have higher and higher requirements on wifi performance of the smart televisions, and how to test and optimize a wireless network with higher performance becomes more important. The conventional method for testing the wifi throughput of the intelligent television is incomplete in data, single in directionality of transmitted data, noisy in environment, multiple in influencing factors and complex in method, so that the test data are inaccurate and are interfered by external factors, the difficulty in testing the accurate throughput becomes higher, a lot of randomness and uncertainty factors exist, and the performance of the wifi module of the intelligent television cannot be well reflected, so that the improvement of the test environment and the method have important significance in testing the accuracy of the wifi throughput and improving the software and hardware performance of the wifi module.
Disclosure of Invention
The invention is designed for solving the technical problems, and provides the method and the system for testing the wifi throughput of the smart television, which have the advantages that the testing environment is closed and clean, the testing data obtained by multi-angle experimental data analysis is relatively accurate, and reliable basis is provided for judging and improving the software and hardware performance of the wifi module.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the method for testing the wifi throughput of the intelligent television is used for testing the wifi throughput of a target television with a built-in wifi module. Under the preset field intensity, based on the wireless communication state realized by the target television through the wifi module, aiming at the preset interference environment and the preset non-interference environment respectively, the execution steps are as follows:
step 1: acquiring uplink wifi throughput and downlink wifi throughput of a target television in an environment with preset angles corresponding to preset time segments respectively;
step 2: analyzing uplink wifi throughput and downlink wifi throughput of a target television in a preset time period corresponding to each preset angle in the environment respectively to obtain an uplink analysis result and a downlink analysis result of the target television in the environment;
and step 3: respectively comparing an uplink analysis result and a downlink analysis result of the target television in the environment with corresponding preset thresholds, and if the uplink analysis result and the downlink analysis result both accord with the comparison of the preset thresholds, judging that the wifi module of the target television has stable performance; and if any one of the uplink analysis result and the downlink analysis result does not accord with the comparison about the preset threshold value, judging that the performance of the target television wifi module is unstable.
As a preferred technical scheme of the invention, the preset interference environment is a wireless signal interference environment in the same frequency band as a built-in wifi module of the target television.
As a preferred technical scheme of the invention, the wireless communication state of the target television is realized under a microwave darkroom test environment, and the test method from the step 1 to the step 3 is executed.
As a preferred technical solution of the present invention, the uplink analysis result and the downlink analysis result obtained in step 2 under the environment where the target television is located are obtained by presetting an average value of uplink wifi throughput and downlink wifi throughput in the preset time period corresponding to each angle respectively under the environment where the target television is located.
The testing system for the wifi throughput of the intelligent television is used for testing the wifi throughput of a target television with a built-in wifi module, and comprises a testing end, the target television with the built-in wifi module, at least one same-frequency-band wireless device, a wireless communication device and a variable attenuator acting on the wireless communication device, wherein the testing end is connected with the wireless communication device, the target television is in wireless connection with the wireless communication device through the built-in wifi module, the same-frequency-band wireless devices are used for providing same-frequency-band wireless signals with the built-in wifi module of the target television, a preset interference environment and a preset interference-free environment are provided through the fact that whether the same-frequency-band wireless devices are used or not, and the same-frequency-band wireless devices are in wireless connection with the target television.
As a preferred technical solution of the present invention, the test system further includes a variable attenuator acting on the wireless communication device, and configured to set a preset field strength, where a calculation formula of the preset field strength is:
target field strength = wireless communication signal transmission power + wireless communication device transmission antenna gain-path loss + wireless communication device reception antenna gain,
path loss =20 × log (4 × pi × R/λ),
the wireless communication equipment transmitting antenna gain/the wireless communication equipment receiving antenna gain =10 × log (4 × pi × S × μ/(λ × λ)),
wherein R is the distance of the receiving and transmitting antenna, lambda is the radio frequency wavelength, S is the effective electric caliber of the antenna, and mu is the antenna efficiency.
As a preferred technical solution of the present invention, the test system further includes data reception test software respectively installed on the target television and the test terminal, and the test software ixchar _670 installed on the test terminal displays data of the data reception test software, and is configured to obtain uplink wifi throughput and downlink wifi throughput of each preset angle in a preset time period respectively corresponding to each preset angle in the environment of the target television, and analyze the uplink wifi throughput and the downlink wifi throughput respectively.
As a preferred technical scheme of the invention, the test system also comprises a controllable steering table for placing the target television and a steering table controller for controlling the controllable steering table.
As a preferred technical solution of the present invention, the wireless communication device is a router, and the same-frequency-band wireless device is a bluetooth device.
The invention has the beneficial effects that: and displaying data of the data receiving test software through the target television and the data receiving test software on the test end which are respectively installed, and the test software IxChariot _670 which is installed on the test end, acquiring uplink wifi throughput and downlink wifi throughput of the target television in a preset time period which correspond to preset angles respectively under the environment, and analyzing the uplink wifi throughput and the downlink wifi throughput respectively. Put into the controllable steering table in totally closed microwave darkroom with the target TV on, steering table angle is controlled to the steering table controller in the control room, every angle wifi throughput data is shown in real time to the test end, convenient operation is simple, degree of automation is high, the test environment is airtight clean, the interference of external factors has been avoided, wifi throughput test decision standard has been proposed, multi-angle experimental data analysis reachs test data relatively accurate, provide reliable foundation for judging and improving the software and hardware performance of wifi module.
Drawings
FIG. 1 is a test software and hardware environment carrying topological diagram;
FIG. 2 is a decision criterion diagram of wifi throughput of the smart television;
FIG. 3 IxChariot _670 software test interface diagram;
FIG. 4 is a schematic view of a wifi + BT test system;
FIG. 5 is a graph of wifi test throughput data;
fig. 6 wifi test throughput radar plot.
Detailed Description
The method of the present invention is described in further detail below with reference to the accompanying drawings.
The invention designs a method and a system for testing the wifi throughput of an intelligent television aiming at the performance of a wifi module of the intelligent television by adopting a wireless transmission technology.
The testing system for the wifi throughput of the intelligent television is used for testing the wifi throughput of a target television with a built-in wifi module, as shown in fig. 1, the testing system comprises a PC computer testing end with an operating system of W10 or W7, the target television with the built-in wifi module, a router as wireless communication equipment, Bluetooth as same-frequency-band wireless equipment and a variable attenuator acting on the router, wherein the PC computer main frequency is not less than 2.0GHz, the memory is not less than 512Mbytes, 100M/1000M Ethernet can be configured, and then the PC computer is connected with the router by a network cable; the memory of a target television with a built-in wifi module is not less than 512Mbytes, the target television can be wirelessly networked, connected with a Bluetooth BT peripheral sound box and provided with third-party software, the type of the built-in wifi module of the target television is 802.11 n/2.4G, a judgment standard of the wifi throughput of the intelligent television is formulated according to the difference of data sent and received by a PC (personal computer) and the target television, a basis is provided for the performance test of the wifi of the intelligent television, a judgment standard diagram of the wifi throughput of the intelligent television is shown in figure 2, and the target television is wirelessly connected with a router through the built-in wifi module; the router has a wireless AP (Access Point) function, can set a channel and support a 100M/1000M self-adaptive Ethernet interface, a variable attenuator with a frequency range of DC-6 GHz, power of 2W, impedance of 50 ohms and VSWR < =1.5 is installed at an antenna end of a wireless AP, the variable attenuator sets a target field intensity to be 4dBm by attenuating a wireless signal, the requirement of testing wifi throughput is met, and the calculation formula is as follows:
target field strength = wireless communication signal transmission power + wireless communication device transmission antenna gain-path loss + wireless communication device reception antenna gain,
path loss =20 × log (4 × pi × R/λ),
the wireless communication equipment transmitting antenna gain/the wireless communication equipment receiving antenna gain =10 × log (4 × pi × S × μ/(λ × λ)),
wherein R is the distance of the receiving and transmitting antenna, lambda is the radio frequency wavelength, S is the effective electric caliber of the antenna, and mu is the antenna efficiency. The wireless communication device transmit antenna gain/wireless communication device receive antenna gain is typically 2dB, and the wireless communication signal transmit power is 200mw (23 dBm).
The testing system also respectively installs pe _ android _730.apk testing software on the target television, and is used for detecting data of wifi throughput received by the target television; the method comprises the steps that IxChariot _670 and pegidows 32_720 test software are installed on a PC computer, the pegidows 32_720 test software is used for receiving data of wifi throughput of the PC computer, the IxChariot _670 test software is used for displaying the data received by pe _ android _730, apk test software and the data received by the pegidows 32_720 test software, and the IxChariot _670 test software is used for obtaining uplink wifi throughput and downlink wifi throughput of a preset time length section corresponding to preset angles respectively under the environment of a target television and analyzing the uplink wifi throughput and the downlink wifi throughput respectively. When the IxChariot _670 test software is installed, AppsLM.dll needs to be placed under a PC directory 'C \ ProgramFiles \ Ixia \ IxChariot' for being compatible with a PC system to use the IxChariot _ 670.
The PC computers are respectively placed on the workbenches in the console chambers, the target television is placed on the controllable steering table in the totally-enclosed microwave darkroom, and the distance between the router AP antenna and the target television is 3 m. The angle of the controllable steering table where the target television is located is adjusted through the steering table controller in the console room, the target television faces away from the AP antenna of the router when 0 degree is set, the angle of 30 degrees is increased by rotating the controllable steering table at every time, then the data of wifi throughput is sent by the PC computer and received by the target television once until the data is increased to 360 degrees and is measured for one circle in a one-way mode, and the data of wifi throughput is sent by the test target television and received by the PC computer after the data is rotated for one circle in a reverse direction.
Based on the test system, the method for testing the wifi throughput of the intelligent television is used for testing the wifi throughput of the target television with the built-in wifi module. Under the preset field intensity, the target television executes the following steps respectively aiming at the environment whether the target television is connected with the Bluetooth or not through the wifi module based on the wireless communication state realized under the microwave darkroom test environment:
step 1: acquiring uplink wifi throughput and downlink wifi throughput of a target television in an environment with preset angles corresponding to preset time segments respectively;
step 2: analyzing uplink wifi throughput and downlink wifi throughput of a target television in a preset time period corresponding to preset angles respectively under the environment of the target television respectively, and acquiring an uplink analysis result and a downlink analysis result of the target television under the environment of the target television, namely acquiring average values of the uplink wifi throughput and the downlink wifi throughput of the target television in the preset time period corresponding to the preset angles respectively under the environment of the target television;
and step 3: respectively comparing an uplink analysis result and a downlink analysis result of the target television in the environment with corresponding preset thresholds, wherein the related preset thresholds are shown in FIG. 2, and if the uplink analysis result and the downlink analysis result both accord with the comparison of the preset thresholds, judging that the wifi module of the target television has stable performance; and if any one of the uplink analysis result and the downlink analysis result does not accord with the comparison about the preset threshold value, judging that the performance of the target television wifi module is unstable.
Based on the test system and the test method, the test process of the wifi throughput of the intelligent television is as follows:
firstly, setting router parameters and test software, setting a router channel mode to be 11n, if 20/40M broadband option is set to be 20M, selecting a test script to be Throughput in test software IxChariot _670, inputting an IP address of a PC computer and an IP address of a target television in sequence, setting the PC computer to be a client RX for sending data and the target television to be a server TX for receiving data, copying six Pair into a group of test data, increasing a steering table angle to be 30 degrees for each group of test data until the steering table angle is increased to be 360 degrees, testing one group of data, recording an average (Mbps) value in the Throughput script, tracking the moment of a dynamic graph below, as shown in figure 3, an IxChariot _670 software test interface graph, reversely adjusting the input sequence of the PC computer and the target television IP, setting the PC computer to be the server TX for receiving data and the target television to be a client for sending data, in the testing process, the testing software pe _ android _730.apk of the target television is started in the whole process, the IP address of the target television is displayed constantly and used for judging the stability of the network, and the PC computer network needs to be connected with a line network.
Secondly, above is single wifi test throughput, present smart television not only has the network function, still has bluetooth peripheral hardware broadcast function, because bluetooth BT and single wifi both use same Hz frequency channel, bluetooth BT has the interference to wifi, so when testing wifi throughput, will increase bluetooth peripheral hardware and connect smart television, television system software can single song circulation broadcast network music in the backstage, still whether the bluetooth peripheral hardware blocks when still needing to record broadcast music simultaneously, as shown in fig. 4 for wifi + BT test system sketch map.
Finally, aiming at the test data, the test machine is a 50-inch intelligent television, and has a Bluetooth single listening function, the type of the wifi module is 802.11n 2.4 single-transmitting single-receiving, and as the wifi modules of 0-degree and 360-degree target televisions are opposite to the antenna of the router in the same direction and position, the test data are almost the same, so the experimental test data are only intercepted to 330 degrees, as shown in fig. 5, a wifi test throughput data graph is shown, and as shown in fig. 6, a test throughput radar graph is shown.
From experimental test data, it can be seen that single wifi's RX throughput has two angle data and is less than 25 Mbps, TX data has two and is less than 12Mbps, all angle data of wifi + Bluetooth BT's TX throughput are all greater than 10Mbps, TX data has one and is less than 10Mbps, all satisfy in the decision criteria allow within 2 data unsatisfied, but not allow for 0, not the card is pause during the bluetooth broadcast music, judge this wifi module from this for stable performance and quality qualified.
According to the method and the system for testing the wifi throughput of the intelligent television, which are designed by the technical scheme, the data receiving test software installed on the target television and the test end respectively and the test software IxChariot _670 installed on the test end display the data of the data receiving test software, so that the uplink wifi throughput and the downlink wifi throughput of the target television in the preset time period corresponding to each preset angle under the environment are obtained and analyzed respectively. Put into the controllable steering table in totally closed microwave darkroom with the target TV on, steering table angle is controlled to the steering table controller in the control room, every angle wifi throughput data is shown in real time to the test end, convenient operation is simple, degree of automation is high, the test environment is airtight clean, the interference of external factors has been avoided, wifi throughput test decision standard has been proposed, multi-angle experimental data analysis reachs test data relatively accurate, provide reliable foundation for judging and improving the software and hardware performance of wifi module.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. The utility model provides a test method for intelligent TV wifi throughput for to the target TV of built-in wifi module, carry out the test of wifi throughput, its characterized in that: under the preset field intensity, based on the wireless communication state realized by the target television through the wifi module, aiming at the preset interference environment and the preset non-interference environment respectively, the execution steps are as follows:
step 1: acquiring uplink wifi throughput and downlink wifi throughput of a target television in an environment with preset angles corresponding to preset time segments respectively;
step 2: analyzing uplink wifi throughput and downlink wifi throughput of a target television in a preset time period corresponding to each preset angle in the environment respectively to obtain an uplink analysis result and a downlink analysis result of the target television in the environment;
and step 3: respectively comparing an uplink analysis result and a downlink analysis result of the target television in the environment with corresponding preset thresholds, and if the uplink analysis result and the downlink analysis result both accord with the comparison of the preset thresholds, judging that the wifi module of the target television has stable performance; and if any one of the uplink analysis result and the downlink analysis result does not accord with the comparison about the preset threshold value, judging that the performance of the target television wifi module is unstable.
2. The method for testing wifi throughput of smart television according to claim 1, wherein: the preset interference environment is a wireless signal interference environment in the same frequency band as a built-in wifi module of the target television.
3. The method for testing wifi throughput of smart television according to claim 1, wherein: and (3) realizing the wireless communication state of the target television based on a microwave darkroom test environment, and executing the test method from the step 1 to the step 3.
4. The method for testing wifi throughput of smart television according to claim 1, wherein: and 2, obtaining the uplink analysis result and the downlink analysis result of the target television in the environment in the step 2 by respectively corresponding to the uplink wifi throughput and the downlink wifi throughput in the preset time period at each preset angle in the environment of the target television.
5. A testing system for wifi throughput of intelligent television based on any one of claims 1 to 4, for testing wifi throughput of target television with built-in wifi module, characterized in that: the system comprises a test end, a target television with a built-in wifi module, at least one same-frequency-band wireless device, a wireless communication device and a variable attenuator acting on the wireless communication device, wherein the test end is connected with the wireless communication device, the target television is in wireless connection with the wireless communication device through the built-in wifi module of the target television, each same-frequency-band wireless device is used for providing same-frequency-band wireless signals with the built-in wifi module of the target television, a preset interference environment and a preset interference-free environment are provided through whether each same-frequency-band wireless device is used or not, and each same-frequency-band wireless device is in wireless connection with the target television.
6. The system for testing wifi throughput of smart tv set according to claim 5, wherein: the wireless communication device further comprises a variable attenuator acting on the wireless communication device and used for setting preset field intensity, wherein the calculation formula of the preset field intensity is as follows:
target field strength = wireless communication signal transmission power + wireless communication device transmission antenna gain-path loss + wireless communication device reception antenna gain,
path loss =20 × log (4 × pi × R/λ),
the wireless communication equipment transmitting antenna gain/the wireless communication equipment receiving antenna gain =10 × log (4 × pi × S × μ/(λ × λ)),
wherein R is the distance of the receiving and transmitting antenna, lambda is the radio frequency wavelength, S is the effective electric caliber of the antenna, and mu is the antenna efficiency.
7. The system for testing wifi throughput of smart tv set according to claim 5, wherein: the system further comprises data receiving test software respectively installed on the target television and the test end, and test software IxChariot _670 installed on the test end displays data of the data receiving test software, and is used for acquiring uplink wifi throughput and downlink wifi throughput of the target television in a preset time period corresponding to each preset angle under the environment and analyzing the uplink wifi throughput and the downlink wifi throughput respectively.
8. The system for testing wifi throughput of smart tv set according to claim 5, wherein: the system also comprises a controllable steering table for placing the target television and a steering table controller for controlling the controllable steering table.
9. The method for testing wifi throughput of intelligent television according to claim 5, wherein: the wireless communication equipment is a router, and the same-frequency-band wireless equipment is Bluetooth equipment.
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