CN221042878U

CN221042878U - Omnidirectional equivalent radiation performance test system for wireless communication equipment

Info

Publication number: CN221042878U
Application number: CN202322763349.8U
Authority: CN
Inventors: 邓宁津; 张章浙; 沙宏毅; 苏坤毅; 刘宗源
Original assignee: Leedarson Lighting Co Ltd
Current assignee: Leedarson Lighting Co Ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-28
Anticipated expiration: 2033-10-16

Abstract

The utility model provides an omnidirectional equivalent radiation performance test system of a wireless communication device, which solves the problem that the omnidirectional equivalent radiation performance test of the prior wireless communication device influences the antenna performance change by controlling the device to be tested through a serial port or other interfaces in a wired way through the transceiving function of the wireless communication device to be tested by the Dongle device, improves the accuracy of the omnidirectional equivalent radiation power and the receiving sensitivity test data, improves the competitiveness for research and development capability, and can adapt to the omnidirectional equivalent radiation performance test of different wireless communication devices of Zigbee, BLE, zwave, thread or Sub-G protocols.

Description

Omnidirectional equivalent radiation performance test system for wireless communication equipment

Technical Field

The utility model belongs to the technical field of testing, and particularly relates to an omnidirectional equivalent radiation performance testing system of wireless communication equipment.

Background

The conventional Zigbee, BLE, zwave, thread and Sub-G equipment omnidirectional equivalent radiation performance test is usually to control the emission or the reception of the wireless module by connecting a serial port line or other interface lines to the wireless module through an upper computer, so that the result of the omnidirectional equivalent radiation performance test is easy to cause the antenna performance to change due to the serial port line or other interface lines welded on the wireless module, and the test data is deviated.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides an omnidirectional equivalent radiation performance test system for wireless communication equipment, which can effectively solve the problems of the background technology.

According to the first aspect of the utility model, the test system comprises an upper computer, a signal comprehensive tester, a radio frequency front end component, an OTA darkroom, a to-be-tested wireless communication device and a Dongle device, wherein the Dongle device, the to-be-tested wireless communication device, a turntable and a plurality of antenna probes are arranged in the OTA darkroom, the Dongle device is arranged at the bottom of the turntable, the Dongle device is in wireless communication connection with the to-be-tested wireless communication device, and the Dongle device is also in serial connection with the upper computer outside the OTA darkroom;

The upper computer is connected with the OTA darkroom and a rotary table serial port in the OTA darkroom, the upper computer is connected with the signal comprehensive testing instrument through a network cable or GPIB, and the signal comprehensive testing instrument is in communication connection with a plurality of antenna probes included in the OTA darkroom through the radio frequency front end assembly.

In some specific embodiments, the Dongle device includes OTAUSB Dongle supporting Zigbee, BLE, zwave, thread and Sub-G protocols, and includes a wireless MCU, an interface conversion device, and an antenna.

In some specific embodiments, the Dongle device is connected to the serial port of the host computer through the interface conversion device. The method comprises the steps of converting the USB into a serial port and converting the Dongle device into a plug-and-play USB device so as to realize that the Dongle device is connected into the USB port of the upper computer.

In some specific embodiments, the Dongle device transmits radio frequency signals through the antenna to be in wireless communication connection with the wireless communication device under test. And enabling the wireless communication device to be tested to communicate by receiving the Dongle instruction to enter a transmitting or receiving state.

In some specific embodiments, the radio frequency front end assembly includes a switch and a power amplifier for amplifying the signal.

In some specific embodiments, the signal synthesizer is connected to the plurality of antenna probes of the OTA darkroom through a switch and a power amplifier of the radio frequency front-end device, respectively.

In some specific embodiments, the upper computer is connected to the signal synthesizer through a network cable or GPIB. The upper computer is used for receiving data transmitted by the signal comprehensive tester.

In some specific embodiments, the wireless communication device under test includes a Zigbee device, a BLE device, a Zwave device, a Thread device, and a Sub-G device.

Compared with the prior art, the utility model has the beneficial effects that:

the receiving and transmitting functions of the wireless communication equipment to be tested are controlled by the Dongle equipment in a wireless mode, the problem that the performance change of an antenna is influenced by the fact that the existing wireless communication equipment is controlled by a serial port or other interfaces in a wired mode is solved, the accuracy of the omni-directional equivalent radiation power and the receiving sensitivity test data is improved, the competitiveness is improved for research and development capability, and the omni-directional equivalent radiation performance test of different wireless communication equipment of Zigbee, BLE, zwave, thread or Sub-G protocols can be adapted.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the utility model. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is a connection block diagram of a wireless communication device omnidirectional equivalent radiation performance testing system in accordance with one embodiment of the present utility model;

Reference numerals in the drawings: 101-an upper computer; 102-a signal comprehensive tester; 103-a radio frequency front end component; 104- -OTA darkroom; 105-a wireless communication device to be tested; 106-Dongle device; 107-turntable; 108-antenna probe.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the utility model may be practiced. For this, directional terms, such as "top", "bottom", "left", "right", "upper", "lower", and the like, are used with reference to the orientation of the described figures. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized or logical changes may be made without departing from the scope of the present utility model. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present utility model is defined by the appended claims.

Fig. 1 is a connection block diagram of an omnidirectional equivalent radiation performance test system of a wireless communication device according to an embodiment of the present utility model, referring to fig. 1, the test system includes a host computer 101, a signal comprehensive tester 102, a radio frequency front end component 103, an OTA darkroom 104, a wireless communication device to be tested 105 and a Dongle device 106, the wireless communication device to be tested 105, a turntable 107 and a plurality of antenna probes 108 are disposed in the OTA darkroom 104, the Dongle device 106 is disposed at the bottom of the turntable 107, the Dongle device 106 is in communication connection with the wireless communication device to be tested 105, and the Dongle device 106 is also connected with the host computer serial port outside the OTA darkroom 104;

The upper computer 101 is connected with the OTA darkroom 104 and a turntable 107 in the OTA darkroom in serial, the upper computer 101 is connected with the signal comprehensive tester 102 through a network cable or GPIB, and the signal comprehensive tester 102 is connected with a plurality of antenna probes 108 included in the OTA darkroom 104 through the radio frequency front end assembly 103 in a communication manner.

The Dongle device 106 includes OTAUSB Dongle supporting Zigbee, BLE, zwave, thread and Sub-G protocols, the Dongle device 106 includes a wireless MCU, an interface conversion device, and an antenna, and is connected to the serial port of the host computer 101 through the interface conversion device, and is connected to the wireless communication device 105 to be tested by transmitting radio frequency signals through the antenna;

The rf front-end module 103 includes a switch and a power amplifier for amplifying signals, the signal comprehensive tester 102 is connected to a plurality of antenna probes 108 of the OTA darkroom 104 through the switch and the power amplifier of the rf front-end module 103, and the upper computer 101 is connected to the signal comprehensive tester 102 through a network cable or GPIB.

The wireless communication device to be tested comprises a Zigbee device, a BLE device, a Zwave device, a Thread device and a Sub-G device. The Dongle device may communicate with the wireless communication device under test based on the included Zigbee, BLE, zwave, thread and Sub-G protocols.

As an example, an instruction may be sent to the Dongle device 106 through the upper computer 101, the Dongle device 106 transmits the instruction to the to-be-tested wireless communication device 105 through an antenna to enter a transmitting or receiving state, the upper computer 101 controls the rotation of the turntable 107, the signals sent by the to-be-tested wireless communication device 105 are respectively received through the plurality of antenna probes 108 in the OTA darkroom 104, the signal is amplified and transmitted through connecting a switch and a power amplifier included in the corresponding radio frequency front end assembly 103 with the signal synthesizer 102, the signal synthesizer 102 transmits the amplified signal data to the upper computer 101 through a network cable or GPIB, and the upper computer 101 calculates to measure the power and the receiving sensitivity of the to-be-tested device at different angles, thereby implementing the omnidirectional equivalent radiation power and the receiving sensitivity test.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. In this manner, the utility model is also intended to cover such modifications and variations as come within the scope of the appended claims and their equivalents. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.

Claims

1. The system comprises an upper computer, a signal comprehensive tester, a radio frequency front end assembly, an OTA darkroom, to-be-tested wireless communication equipment and a Dongle device, wherein the Dongle device, the to-be-tested wireless communication equipment, a turntable and a plurality of antenna probes are arranged in the OTA darkroom, the Dongle device is arranged at the bottom of the turntable, the Dongle device is in wireless communication connection with the to-be-tested wireless communication equipment, and the Dongle device is also in serial connection with the upper computer outside the OTA darkroom;

2. The system for omni-directional equivalent radiation performance test of a wireless communication device according to claim 1, wherein said Dongle device comprises OTAUSB Dongle supporting Zigbee, BLE, zwave, thread and Sub-G protocols, said Dongle device comprising a wireless MCU, an interface conversion device and an antenna.

3. The system for testing the omnidirectional equivalent radiation performance of a wireless communication device according to claim 2, wherein said Dongle device is connected to said host computer through said interface conversion device.

4. The system for testing the omnidirectional equivalent radiation performance of a wireless communication device according to claim 2, wherein said Dongle device is connected to said wireless communication device under test by wireless communication by transmitting radio frequency signals through said antenna.

5. The system of claim 1, wherein the radio frequency front end component comprises a switch and a power amplifier for amplifying the signal.

6. The system of claim 5, wherein the signal synthesizer is connected to the plurality of antenna probes of the OTA darkroom through the switch and the power amplifier of the radio frequency front end module, respectively.

7. The system for omni-directional equivalent radiation performance test of a wireless communication device according to claim 1, wherein the wireless communication device to be tested comprises a Zigbee device, a BLE device, a Zwave device, a Thread device, and a Sub-G device.