CN114050877B - Antenna system and antenna system testing method - Google Patents
Antenna system and antenna system testing method Download PDFInfo
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- CN114050877B CN114050877B CN202210035151.5A CN202210035151A CN114050877B CN 114050877 B CN114050877 B CN 114050877B CN 202210035151 A CN202210035151 A CN 202210035151A CN 114050877 B CN114050877 B CN 114050877B
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000011056 performance test Methods 0.000 abstract description 4
- 238000010998 test method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000013100 final test Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The invention provides an antenna system and a test method thereof, wherein the antenna system comprises an antenna, a shell, a control module and a processing module, wherein the shell is provided with a plurality of first radio frequency interfaces, and the antenna is connected with the first radio frequency interfaces to receive and transmit WiFi signals; the processing module comprises each path of attenuation adjustable function, is connected with the first radio frequency interface and is provided with a plurality of paths of second radio frequency interfaces to realize the channel adjustable function; the control module is electrically connected with the processing module. According to the technical scheme, the plurality of first radio frequency interfaces are arranged on the shell, so that a user can install the antennas at different positions according to test requirements to construct various antenna states and simulate the antenna layout of various wireless communication products, and the accuracy of the wireless performance test is improved.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to an antenna system and an antenna system testing method.
Background
In the field of wireless performance testing, currently used access devices are mainly in the schemes of 'conventional terminals (such as mobile phones and notebook computers)' or 'wireless network cards and external antennas'. In the wireless performance test, a test engineer explores the maximum capability, directivity and coverage capability of the wireless product performance, and these performance indexes have a large relationship with the antenna state of the access device. In the prior art, for a conventional terminal, the antenna form is complex; for the wireless network card and the external antenna, the external antenna is arranged in a single and solidified mode, and the limitation is high, so that the final test result cannot reach the parameter closest to the real effect.
Disclosure of Invention
The invention mainly aims to provide an antenna system and an antenna system testing method, and aims to solve the technical problems that in the prior art, wireless performance testing is not accurate, and parameters closest to a real effect cannot be achieved.
To achieve the above object, the present invention provides an antenna system, including:
the radio frequency identification device comprises a shell, a first antenna and a second antenna, wherein the shell is provided with a plurality of first radio frequency interfaces;
the antenna is connected with the first radio frequency interface so as to receive and transmit WiFi signals;
the processing module comprises each path of attenuation adjustable function, is connected with the first radio frequency interface and is provided with a plurality of paths of second radio frequency interfaces to realize the channel adjustable function;
and the control module is electrically connected with the processing module.
Optionally, the number of the first radio frequency interfaces is 13, the number of the second radio frequency interfaces is 8, and the processing module is configured to implement a 13 × 8 channel adjustable function.
Optionally, the antenna is detachably mounted with the first radio frequency interface.
Optionally, the housing is disposed in a hemisphere, and the plurality of first rf interfaces are uniformly distributed on the surface of the housing.
Optionally, the antenna system further includes a base, the housing is disposed on the base, and the processing module and the control module are both disposed in the base; the bottom of the base is provided with a plurality of communication interfaces, and the second radio frequency interface is electrically connected with the corresponding communication interface.
In addition, in order to solve the above problem, the present invention further provides an antenna system testing method, including:
receiving a WiFi chip scheme, an antenna scheme and a product model of a tested piece;
respectively determining configuration information and wireless network card configuration information according to the WiFi chip scheme, the antenna scheme and the product model;
and issuing the configuration information and the wireless network card configuration information to obtain the test result of the tested piece.
Optionally, respectively determining configuration information and wireless network card configuration information according to the WiFi chip scheme, the antenna scheme, and the product model includes:
generating a configuration suggestion and a model suggestion of the wireless network card according to the WiFi chip scheme and the antenna scheme; determining configuration information according to the configuration suggestion, and determining wireless network card configuration information according to the model suggestion; or,
generating a model suggestion of the wireless network card according to the WiFi chip scheme and the antenna scheme; determining configuration information according to the product model; and determining the configuration information of the wireless network card according to the model suggestion.
According to the technical scheme, the plurality of first radio frequency interfaces are arranged on the shell, so that a user can install the antennas at different positions according to test requirements to construct various antenna states and simulate the antenna layout of various wireless communication products, and the accuracy of the wireless performance test is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna system according to the present invention;
FIG. 2 is a schematic diagram of an antenna system using networking of the present invention;
FIG. 3 is a first flowchart of a test method for an antenna system according to the present invention;
FIG. 4 is a second flowchart of the antenna system test method of the present invention;
fig. 5 is a third flowchart of the antenna system test method according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | First |
| 12 | |
13 | |
| 14 | |
15 | Second |
| 20 | Antenna with a |
30 | Program-controlled |
| 40 | |
50 | |
| 60 | Rotary table | 70 | Measured piece |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention has proposed an antenna system, please refer to fig. 1 and fig. 2, the antenna system includes the outer casing 10, the aerial 20, the processing module 12 and the control module 13, the outer casing 10 has several first radio frequency interfaces 11, the first radio frequency interface 11 is distributed on the surface of the outer casing 10 evenly, the aerial 20 is connected with first radio frequency interface 11, in order to receive and dispatch the WiFi signal; the processing module 12 comprises each path of attenuation adjustable function, the processing module 12 is connected with the first radio frequency interface 11, and the processing module 12 is provided with a plurality of paths of second radio frequency interfaces 15 to realize the channel adjustable function; the control module 13 is electrically connected to the processing module 12.
The antenna system is used for testing WiFi performance parameters of equipment such as a router or an AP panel. The number of antennas 20 may be adjusted according to the test type and the test requirements to adapt to different types of network cards, for example, 1x1, 2x2.. to 8x 8. Specifically, in this embodiment, the number of the first radio frequency interfaces 11 may be set to 13, the number of the second radio frequency interfaces 15 may be set to 8, and the processing module 12 determines the actual use condition of the 13 antennas 20 by adjusting the radio frequency channels, and constructs different antenna placement forms, so as to implement the function of adjusting 13 × 8 channels. Therefore, the antenna system covers mainstream products in the current market, and the compatibility of the antenna system and the accuracy of the wireless performance test are improved.
Optionally, the antenna is detachably mounted to the first radio frequency interface.
Specifically, the housing 10 is disposed in a hemisphere, and the plurality of first rf interfaces 11 are uniformly distributed on the surface of the housing 10, so that when the antenna 20 is mounted, the 13 paths of antennas 20 can be uniformly distributed on the surface of the housing 10. Wherein, the sphere indicates the bellied one side of hemispheroid, in order to satisfy the setting of antenna 20 orientation difference, sets up the tangent line of the central axis perpendicular to sphere of first radio frequency interface 11 to when screwing in antenna 20 into first radio frequency interface 11, can make antenna 20 be perpendicular with the tangent line of sphere. In this embodiment, the communication first rf interfaces 11 are uniformly arranged on a spherical surface in an array, so that the antenna 20 is set to point in different directions. The tester can adjust the orientation of the antenna 20 to test that the dut 70 can be stably connected to the signal receiving terminals facing in all directions. Therefore, the tester can insert the antenna 20 into the communication test holes 11 with different orientations and different positions to form a signal receiving end, so as to realize whether the test equipment can be stably connected with the to-be-tested element 70 in different directions, further improve the flexibility of the antenna system of the invention, and improve the test comprehensiveness and the test precision.
In addition, referring to fig. 2 in the testing process, fig. 2 is a schematic structural diagram after networking is performed when the antenna system is used, and during testing, the antenna system of the present invention and the tested piece 70 are placed at an interval, for example, two meters apart. After receiving the WiFi signal sent by the tested device 70, the antenna 20 enters the processing module 12 through the first radio frequency interface 11 and the radio frequency cable 14, and the tester configures the channel state of the processing module 12 through the control module 13 according to the actual requirement to determine the signal channel of the actual work, and then the signal is output by the second radio frequency interface 15, transmitted to the program-controlled attenuator 30 through the external radio frequency cable, and then transmitted to the wireless network card 40, thereby completing the one-way transmission of the WiFi signal from the tested device 70 to the wireless network card 40. Similarly, the WiFi signal sent by the wireless network card 40 passes through the programmable attenuator 30, the radio frequency interface 15, the processing module 12, and the radio frequency interface 11 in sequence, is sent by the antenna 20, and is received by the antenna of the tested piece 70, so as to complete the reverse transmission of the WiFi signal.
In order to further ensure the test accuracy and stability of the antenna system of the invention, the shielding box 50 can be arranged, and the wireless network card 40 is arranged in the shielding box 50 to block the interference of external signals, so that the test result is prevented from being interfered by external factors, and the precision, stability and reliability of the final test result are improved.
Further, the antenna system networking also includes a programmable attenuator 30 for fine tuning the attenuation of the rf signal path. In practice, a user cannot be in a position to stay at a router or other signal generator (i.e., the device under test 70) at any time while using the communication device at home. When the user is in the room, there may be one or more walls spaced from the test object 70. Therefore, in order to further increase the authenticity of the simulation and improve the testing accuracy, in the embodiment, the attenuator 30 is additionally arranged in the antenna system use network to adjust the attenuation of the radio frequency signal channel, for example, the attenuation is 10 dB-60 dB, so that a wall body is arranged between the simulation equipment and the tested piece 70. Therefore, the performance parameters of the tested piece 70 can be tested according to the simulation condition when the piece 70 to be tested is separated from a wall or other blocking objects.
Further, the antenna system further comprises a turntable 60, wherein the turntable 60 is used for placing the tested piece 70 so as to adjust the transmission angle of the WiFi signal of the tested piece 70. When the router is tested, the tested piece 70 is placed on the rotary table 60, and the rotation can be driven by the motor to drive the tested piece 70 to rotate, so that different directions of the user communication equipment in the router are simulated. The antenna system also comprises a base, wherein the shell is arranged on the base, and the processing module 12 and the control module 13 are arranged in the base; the bottom of the base is provided with a plurality of communication interfaces, and the second radio frequency interface is electrically connected with the corresponding communication interface.
In addition, in order to solve the above problems, the present invention further provides a typical application method of an antenna system, please refer to fig. 3, where fig. 3 is a first flowchart of a test of the antenna system testing method of the present invention, and the method specifically includes the following steps:
step S10: receiving a WiFi chip scheme, an antenna scheme and a product model of a tested piece;
step S20: respectively determining configuration information and wireless network card configuration information according to the WiFi chip scheme, the antenna scheme and the product model;
step S30: and issuing the configuration information and the wireless network card configuration information to obtain the test result of the tested piece.
The invention is used for testing the wireless performance parameters of equipment such as a router or an AP panel. The rf interface 11 on the housing 10 may adopt an SMA interface, and the antenna 20 is screwed into the SMA interface to form a signal receiving end, so as to receive a communication signal sent from the device under test 70 (i.e. a device such as a router or an AP panel).
According to the configuration suggestion output by the software, in combination with actual requirements, a tester can insert the antenna 20 into the communication test holes 11 in different orientations and different positions to form a signal receiving end, so as to realize whether the test equipment can be stably connected with the to-be-tested element 70 in different directions, further improve the flexibility of the antenna system of the invention, and improve the test comprehensiveness and the test precision.
During testing, the antenna system of the present invention is spaced apart from the test object 70, for example, by two meters. After receiving the WiFi signal sent by the tested device 70, the antenna 20 enters the processing module 12 through the first radio frequency interface 11 and the radio frequency cable 14, and the tester configures the channel state of the processing module 12 through the control module 13 according to the actual requirement to determine the signal channel of the actual work, and then the signal is output by the second radio frequency interface 15, transmitted to the program-controlled attenuator 30 through the external radio frequency cable, and then transmitted to the wireless network card 40, thereby completing the one-way transmission of the WiFi signal from the tested device 70 to the wireless network card 40. Similarly, the WiFi signal sent by the wireless network card 40 passes through the programmable attenuator 30, the radio frequency interface 15, the processing module 12, and the radio frequency interface 11 in sequence, is sent by the antenna 20, and is received by the antenna of the tested piece 70, so as to complete the reverse transmission of the WiFi signal.
Generating configuration suggestions and model suggestions of the wireless network card by software according to the chip scheme and the antenna scheme; and determining configuration information according to the configuration suggestion, and determining the configuration information of the wireless network card according to the model suggestion. And issuing the configuration information and the wireless network card configuration information, starting the test, and acquiring the test result after the test is finished, so that the data obtained by the test is the parameter closest to the real effect.
Further, referring to fig. 4, fig. 4 is a second flowchart illustrating the testing of the antenna system testing method according to the present invention, wherein step S20 includes:
step S21: generating a configuration suggestion and a model suggestion of the wireless network card according to the WiFi chip scheme and the antenna scheme;
step S22: and determining configuration information according to the configuration suggestion, and determining the configuration information of the wireless network card according to the model suggestion.
Receiving a WiFi chip scheme and an antenna scheme of the tested piece 70, and generating configuration suggestions and model suggestions of the wireless network card according to the chip scheme and the antenna scheme through software; and determining configuration information according to the configuration suggestion, and determining the configuration information of the wireless network card according to the model suggestion. And issuing the configuration information and the wireless network card configuration information, starting the test, and acquiring the test result after the test is finished, so that the data obtained by the test is the parameter closest to the real effect.
Alternatively, referring to fig. 5, or step S20 includes:
step S23: generating a model suggestion of the wireless network card according to the WiFi chip scheme and the antenna scheme;
step S24: determining configuration information according to the product model; and determining the configuration information of the wireless network card according to the model suggestion.
In this embodiment, the product model of the wireless communication product can be directly obtained, corresponding product information is searched in the preset database, and configuration is directly performed according to the product model, so that the test process is accelerated, and the test efficiency is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An antenna system, comprising:
the antenna comprises a shell, a plurality of first radio frequency interfaces and a plurality of second radio frequency interfaces, wherein the first radio frequency interfaces are used for mounting the antenna and are uniformly distributed on the surface of the shell so as to construct various antenna states;
the antenna is connected with the first radio frequency interface so as to receive and transmit WiFi signals;
the processing module comprises each path of attenuation adjustable function, is connected with the first radio frequency interface and is provided with a plurality of paths of second radio frequency interfaces to realize the channel adjustable function; the processing module is further used for transmitting the WiFi signal from the second radio frequency interface to a wireless network card;
the control module is electrically connected with the processing module and is also used for receiving the WiFi chip scheme, the antenna scheme and the product model of the tested piece; respectively determining configuration information and wireless network card configuration information according to the WiFi chip scheme, the antenna scheme and the product model; and issuing the configuration information and the wireless network card configuration information to obtain the test result of the tested piece.
2. The antenna system of claim 1, wherein the number of the first radio frequency interfaces is 13, the number of the second radio frequency interfaces is 8, and the processing module is configured to implement a 13x8 channel adjustable function.
3. The antenna system of claim 1, wherein the antenna is removably mounted to the first radio frequency interface.
4. The antenna system of claim 1, wherein the housing is shaped like a hemisphere, and the plurality of first rf interfaces are uniformly distributed on the surface of the housing.
5. The antenna system of claim 1, further comprising a base on which the housing is disposed, the processing module and the control module both being disposed within the base; the bottom of the base is provided with a plurality of communication interfaces, and the second radio frequency interface is electrically connected with the corresponding communication interface.
6. An antenna system testing method applied to the antenna system according to any one of claims 1 to 5, comprising:
receiving a WiFi chip scheme, an antenna scheme and a product model of a tested piece;
respectively determining configuration information and wireless network card configuration information according to the WiFi chip scheme, the antenna scheme and the product model;
and issuing the configuration information and the wireless network card configuration information to obtain the test result of the tested piece.
7. The antenna system testing method of claim 6, wherein the determining configuration information and wireless network card configuration information according to the WiFi chip solution, the antenna solution, and the product model respectively comprises:
generating a configuration suggestion and a model suggestion of a wireless network card according to the WiFi chip scheme and the antenna scheme; determining the configuration information according to the configuration suggestion, and determining the wireless network card configuration information according to the model suggestion; or,
generating a model suggestion of a wireless network card according to the WiFi chip scheme and the antenna scheme; determining the configuration information according to the product model; and determining the configuration information of the wireless network card according to the model suggestion.
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