CN213991029U

CN213991029U - EN-DC MIMO throughput rate test equipment

Info

Publication number: CN213991029U
Application number: CN202023327225.8U
Authority: CN
Inventors: 陈源
Original assignee: Shenzhen Xinghang Wulian Science And Technology Co ltd
Current assignee: Shenzhen Xinghang Wulian Science And Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-17
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a EN-DC MIMO throughput test equipment, including signal source and control end, the control end is connected and is controlled MIMO probe group through the signal source, and the signal source is provided with 5G NR module and 4G LTE module, and the signal source is through radio frequency unit connection MIMO probe group, and the measured object is connected to the control end. The utility model discloses place the signal source in 5G NR module and the 4G LTE module in, through radio frequency unit and MIMO probe group link, MIMO probe group carries out wireless connection with the measured object, carry out information transmission, thereby the control end is connected the measured object and is calculated the correlation performance that obtains the MIMO transmission data of accurate measured object, the flexibility that the data throughput test of improvement wireless terminal was used, reliability and real-time, optimize MIMO throughput directionality and stability, and can accurately find MIMO throughput peak value in a certain time, improve the performance of wireless transmission rate.

Description

EN-DC MIMO throughput rate test equipment

Technical Field

The utility model relates to a wireless microwave measures technical field, and more specifically says, relates to an EN-DC MIMO throughput rate test equipment.

Background

With the development of 5G mobile communication technology and the vigorous popularization of national policies, the 4G communication and the 5G communication coexist and are in parallel, and a 4G and 5G hybrid networking forms a mobile communication network. The massive MIMO antenna technology can greatly improve the frequency spectrum utilization frequency through spatial multiplexing, and can greatly improve the communication system capacity and communication rate, so that the massive MIMO antenna technology becomes a commonly adopted technology of 4G and 5G base station antennas, and therefore, the problem of how to test the 4G and 5G base station antennas is caused. For interactive application, the throughput rate index reflects the pressure that the server can bear, the throughput rate reflects the load capacity of the system in the capacity planning test, and the throughput rate is also an index with important value in the performance optimization process. However, the existing testing technology cannot correctly obtain the wireless throughput performance of the 4G and 5G base station antenna MIMO terminals, so that engineers cannot improve the MIMO throughput performance to optimize the MIMO throughput directionality and stability, and can accurately find the MIMO throughput peak value within a certain time to improve the performance of the wireless transmission rate.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the not enough of current technique, the utility model provides a EN-DC MIMO throughput rate test equipment.

The utility model discloses technical scheme as follows:

the utility model provides an EN-DC MIMO throughput rate test equipment, includes shielded cell, signal source and control end, built-in rotary platform of shielded cell and MIMO probe group, place the measured object on the rotary platform, the control end warp the signal source is connected and is controlled MIMO probe group, the signal source is provided with 5G NR module and 4G LTE module, the signal source is through the radio frequency unit connection MIMO probe group, the control end is connected the measured object.

According to the EN-DC MIMO throughput rate testing device, the number of the probes of the MIMO probe group is the same as that of the interfaces of the radio frequency unit, and the probes are connected in a one-to-one correspondence manner.

According to the EN-DC MIMO throughput rate testing device, the MIMO probe group comprises the horizontal polarization antenna and the vertical polarization antenna.

The EN-DC MIMO throughput rate testing equipment is characterized in that the rotary platform is provided with the rotary table jig, the rotary platform and the central shaft of the rotary table jig are on the same straight line, the tested object is fixed on the rotary table jig, and the rotary platform drives the tested object to rotate through the rotary table jig.

According to the EN-DC MIMO throughput rate testing device, the control end is connected with the rotary platform through the rotary platform controller and controls the rotation of the rotary platform.

In the above EN-DC MIMO throughput testing apparatus, the probes of the MIMO probe set face the direction opposite to the maximum radiation direction of the object to be tested.

According to the EN-DC MIMO throughput rate testing device, the signal source is an integrated testing instrument.

According to the EN-DC MIMO throughput rate testing device, the rotation angle of the rotating platform is 0-360 degrees.

According to the EN-DC MIMO throughput rate testing device, the wave absorbing cotton is arranged on the inner surface of the shielding box.

Furthermore, the wave absorbing cotton is conical.

According to the EN-DC MIMO throughput rate testing device, the movable trundles are arranged at the bottom of the shielding box.

According to the EN-DC MIMO throughput rate testing device, the MIMO probe set and the rotating platform are respectively arranged on two sides of the shielding box.

According to the EN-DC MIMO throughput rate testing device, the 5G NR module and the 4G LTE module are respectively arranged on two sides of the signal source.

According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses combine EN-DC technique and MIMO antenna test technique, place the signal source in 5G NR module and the 4G LTE module, through radio frequency unit and MIMO probe group link, MIMO probe group carries out wireless connection with the measured object, carry out information transmission, thereby the control end is connected the measured object and is calculated the correlation performance that obtains the MIMO transmission data of accurate measured object, the flexibility that the data throughput test of improvement wireless terminal was used, reliability and real-time, be favorable to the improvement of engineering personnel to the MIMO antenna, optimize MIMO throughput directionality and stability, and can accurately find MIMO throughput peak value in the certain time, improve wireless transmission rate's performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of the module structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a shielding box; 2. a control end; 3. rotating the platform; 31. a turntable jig; a MIMO probe set; 5. wave-absorbing cotton; 6. a measured object; 7. the caster is moved.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "fixed" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. The terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positions based on those shown in the drawings, and are for convenience of description only and should not be construed as limiting the technical solution.

An EN-DC MIMO throughput rate testing device is shown in figure 1 and comprises a shielding box 1, a signal source and a control end 2, wherein a rotary platform 3 and an MIMO probe set 4 are arranged in the shielding box 1, a tested object 6 is placed on the rotary platform 3, the control end 2 is connected with and controls the MIMO probe set 4 through the signal source, the signal source is provided with a 5G NR module and a 4G LTE module, the signal source is connected with the MIMO probe set 4 through a radio frequency unit, and the control end 2 is connected with the tested object 6.

The utility model discloses use 5G communication as the host node, 4G communication is the subsidiary node, realizes the channel environment that 5G signal and 4G signal all have, satisfies the test environment at 5G NR terminal and 4G LTE terminal simultaneously. The 5G NR module and the 4G LTE module are respectively arranged at two sides of the signal source, have a fading function and realize the output of 4G signals and 5G signals with different strengths. Under the condition that the 4G and the 5G are connected simultaneously, the control end 2 is connected with the measured object 6 to obtain the condition that the measured object 6 receives data, and the accurate correlation performance of the MIMO transmission data of the measured object 6 can be obtained after calculation. The connection mode can improve the flexibility, reliability and instantaneity of data throughput test application of the wireless terminal, the acquired accurate information is beneficial to improvement of an engineer on the MIMO antenna, the MIMO throughput direction and stability are optimized, the MIMO throughput peak value can be accurately found within a certain time, and the performance of wireless transmission rate is improved.

In one embodiment, the number of probes of the MIMO probe set 4 is the same as the number of interfaces of the radio frequency unit and is connected in a one-to-one correspondence.

In one embodiment, the MIMO probe set 4 includes horizontally polarized antennas and vertically polarized antennas, and includes a plurality of MIMO probes, so as to improve the testing accuracy.

In one embodiment, the signal source is a comprehensive measuring instrument.

In the shielding box 1, the MIMO probe group 4 and the rotary platform 3 are respectively arranged at two sides of the shielding box 1. The rotary platform 3 is provided with a rotary table jig 31, the rotary platform 3 and the central shaft of the rotary table jig 31 are on the same straight line, and the measured object 6 is fixed on the rotary table jig, so that the measured object 6 can move along with the movement of the rotary platform 3. The control end 2 is connected with the rotary platform controller and controls the rotation of the rotary platform 3, and when the control end 2 starts testing, the rotary platform 3 drives the tested object 6 to rotate through the rotary platform jig. The rotation angle of the rotary platform 3 is 0-360 degrees, and the measured object 6 is driven to rotate in all directions. The other side is provided with the platform fixing base in the shielded cell 1, and rotary platform 3 is fixed on the platform fixing base.

In one embodiment, the turntable jig 31 is provided with a cross-shaped fixing groove, and the object 6 to be measured is embedded in the cross-shaped fixing groove.

The 360-degree rotation of the rotary platform 3 in the shielding box 1 is beneficial to adjusting the relative position between the MIMO probe group 4 and the object to be measured 6, on one hand, the probe orientation of the MIMO probe group 4 can be controlled to be opposite to the maximum radiation direction of the object to be measured 6, and the highest quality of signal transmission is achieved, on the other hand, the change of the relative positions of the MIMO probe group and the object to be measured can simulate various position environments of the object to be measured 6 for receiving signals, particularly the condition of angle change, and therefore the data transmission change condition caused by the relative position change such as the angle change of the object to be measured 6 can be achieved.

The outer surface of the shielding box 1 is provided with a shielding shell for shielding external signal interference, the inner surface is provided with wave-absorbing cotton 5, and the wave-absorbing cotton 5 is conical and can absorb reflected electromagnetic waves.

The bottom of the shielding box 1 is provided with the movable caster wheels 7, so that the MIMO testing equipment can be moved quickly, and the flexibility of the equipment is improved.

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

1. The utility model provides an EN-DC MIMO throughput testing equipment, its characterized in that, includes shielded cell, signal source and control end, built-in rotary platform of shielded cell and MIMO probe group, place the measured object on the rotary platform, the control end warp the signal source is connected and is controlled MIMO probe group, the signal source is provided with 5G NR module and 4G LTE module, the signal source is through the radio frequency unit connection MIMO probe group, the control end is connected the measured object.

2. The EN-DC MIMO throughput testing apparatus according to claim 1, wherein the number of the probes of the MIMO probe group is the same as the number of the interfaces of the RF unit and the probes are connected in a one-to-one correspondence.

3. The EN-DC MIMO throughput testing apparatus of claim 1, wherein the MIMO probe set comprises horizontally polarized antennas and vertically polarized antennas.

4. The EN-DC MIMO throughput testing device according to claim 1, wherein a rotary table fixture is arranged on the rotary platform, the rotary platform and a central axis of the rotary table fixture are in the same line, the object to be tested is fixed on the rotary table fixture, and the rotary platform drives the object to be tested to rotate through the rotary table fixture.

5. An EN-DC MIMO throughput testing apparatus according to claim 1, wherein said control terminal is connected to and controls rotation of said rotary platform via a turntable controller.

6. An EN-DC MIMO throughput testing apparatus according to claim 1, wherein the bottom of said shielding cage is provided with casters.

7. An EN-DC MIMO throughput testing apparatus according to claim 1, wherein said rotating platform is rotated through an angle of 0-360 °.

8. An EN-DC MIMO throughput testing apparatus according to claim 1, wherein the probes of said MIMO probe set are oriented opposite to the direction of maximum radiation of said object under test.

9. The EN-DC MIMO throughput testing apparatus according to claim 1, wherein the inner surface of the shielding box is provided with wave-absorbing cotton.

10. The EN-DC MIMO throughput testing apparatus of claim 1, wherein the signal source is an integrated test meter.